ACR Journal - February 2017 by ACR Journal - Heat Pumps Today

VOLUME 3 No2

Adding Value To Your Supply Chain Adding Value To Your Supply Chain

Essential Information for the Air Conditioning and Refrigeration Industry

Refrigeration & Air Conditioning Suppliers

dean&wood Cambridge www.rw-wholesale.co.uk

Unit 18,Clifton Road Industrial Estate,Cambridge CB1 7EB Refrigeration & Air Conditioning www.dean-wood.co.uk

Suppliers

dean&wood Cambridge www.rw-wholesale.co.uk

Unit 18,Clifton Road Industrial Estate,Cambridge CB1 7EB www.dean-wood.co.uk

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CONT E NTS

Essential Information for the Air Conditioning and Refrigeration Industry

Warm welcome for your new editor When the previous issue of the ournal roppe on my es ust t o ays after starting the ne ob as hugely reassure by ill Ha ins fare ell column on this page. Excited as I was by the new challenge, I was still slightly nervous about joining an industry of which I have little or no knowledge. So to hear that Will felt the same way when he started was quite a relief. You, of course, may see things slightly differently. Having spent the last four years passing on your expertise to the previous editor and knocking him into shape, I would quite understand if you were less than enthusiastic at having the start the whole process over again! All I can offer in return is a promise to do everything I can to help this industry to thrive. There are many fascinating stories out there and we want to tell them. So please get in touch with your ideas, suggestions and comments. This is your magazine and we need your help to make it the best it can be. Finally, thank you for all the words of welcome, they are much appreciated. I look forward to meeting as many of you as possible in the weeks and months ahead.

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David Editor David Todd 01778 392094 david.todd@warnersgroup.co.uk

R EG U L A RS 04 News 18 Refcom competition 54

What’s New? The latest products and solutions

56 Chilly Chatter 58 Changing Faces Who’s new and who’s moved

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FEBRUARY 2017

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CO N T EN TS

VOLUME 3 No2

Adding Value To Your Supply Chain Adding Value To Your Supply Chain

Essential Information for the Air Conditioning and Refrigeration Industry

Refrigeration & Air Conditioning Suppliers

dean&wood Cambridge www.rw-wholesale.co.uk

Unit 18,Clifton Road Industrial Estate,Cambridge CB1 7EB Refrigeration & Air Conditioning www.dean-wood.co.uk

Suppliers

dean&wood Cambridge www.rw-wholesale.co.uk

Unit 18,Clifton Road Industrial Estate,Cambridge CB1 7EB www.dean-wood.co.uk

acrjournal.uk Untitled-1.indd 1 01 Cover_FEB17.indd 1

18/01/2017 18/01/2017 15:4910:19

About our front cover: RW Refrigeration Wholesale Ltd www.rw-wholesale.co.uk

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Multimedia Account Manager James Knight 01778 395029 jamesk@warnersgroup.co.uk

What's New Theresa Geeson 01778 392046 theresag@warnersgroup.co.uk

Editorial Design Development Design

F E AT U R E S

Advertising Design Natalie Reynolds

Production

Case Study

Refrigerants

08 Case Study

28 A-Gas on facing up to the low

Blédina puts its trust in Climalife

GWP challenge

Comment

Training

10 Are we an ‘Appy’ industry?

35 Inspiring the next generation

with Ben Bartle-Ross, Mistubishi Electric

of engineers

Juliet Loiselle CompCIPHE 01778 391067 julietl@warnersgroup.co.uk

Out and about

Air conditioning

Published by:

12 With LG

38 Data centre cooling

National ACR & Heat Pump Awards 2017

Six-page focus on the winners

Heat Pumps

Unravelling open loop water systems

Chillers

Breath of fresh air from Klima -Therm

Sue Ward 01778 392405 production@warnersgroup.co.uk

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Publishing Editor

CMYKCMYK / .ai / .ai CMYK / .ai

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NE W S

CLIMATE CENTER MAKES £250,000 CAPITAL INVESTMENT IN BRANCH NETWORK

Staff at the new Climate Center branch in Greenford

Air conditioning and refrigeration distributor Climate Center has opened three new branches in London. The £250k + investment in Send (Surrey), Greenford and Battersea is part of a wider initiative to ensure contractors have easy access to products when they need them. Location is key to all of the new branches. Send is at the junction where the A3 crosses the M25. It is also close to Woking, Guildford and Leatherhead. Greenford shares a site with Pipe Center and is located on the A40, close for any contractors travelling to London from Birmingham and the North. The Battersea branch is also just off the A3 and ideal for customers working in and around Central London. This means Climate Center now has a network of four branches in the Central London area which includes Deptford, King’s Cross and a recent relocation from Bow to Canning Town. Robert Franklin, National Development Director for Climate Center, said “Greenford is particularly well positioned for customers wanting to pick up products

en route in the morning as it opens from am. West London is difficult to navigate and so we wanted to open a branch where contractors can leave their vans and take the tube in to London. It’s located close to the Greenford underground station from where it only takes 25 minutes to get into central London.” The branch in Send is also a first in the network to share a site with fellow Wolseley UK brands, Plumb Center, Parts Center and Drain Center. Robert said “Being located on the same site means customers can access a full range of H AC products in the same visit. It’s already been well received by customers and there are plans to replicate the model elsewhere.” Climate Center’s core product range has been introduced to all three branches including refrigeration, bracketry, copper pipe and air conditioning. A number of jobs have also been created to staff the new premises. Lyndon Davis has been appointed as Climate Sales Manager in Send, Alan Rush in Greenford and Keith Davis in Battersea.

ANT WILSON AWARDED MBE Long-standing BSRIA council member Ant Wilson has been awarded an MBE in the New Year Honours list. Ant, Director – Sustainability & Advanced Design – Building Engineering at AECOM, is recognised as one of the UK’s most in uential building service engineers and works tirelessly in the promotion and advancement of engineering and sustainability. Julia Evans, Chief Executive, BSRIA, said “This is wonderful news for Ant, for the wider engineering and construction industry and an exciting way to start 201 . Ant has been a delightful contributor and loyal servant to industry over the years. And, indeed, he is a shining example for young engineers embarking on their career and life journeys. On behalf of BSRIA, I would like to warmly congratulate Ant for his many and varied contributions to the industry.” Ant Wilson has been awarded an MBE

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dean&wood

the face of refrigeration & air conditioning www.dean-wood.co.uk p05_acrfeb17.indd 1 Untitled-1 1

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NE W S

BET365 BACKS A WINNER WITH COOLAIR

The Turbomiser chiller is craned into position

TURBOMISER COOLING AT HEART OF PIONEERING PROJECT high eﬃciency urbomiser chiller system supplie an installe by ool- herm is provi ing essential cooling for a groun brea ing ater treatment an reclamation facility at a ma or foo pro uction plant. The facility in Lincolnshire treats water used in cooking and processing ready meals, removing organic constituents and returning it in a purified, food-safe condition to the manufacturing process. Before the recycling plant was installed, the end user had to pay to have waste water transported off site by tanker to be disposed of. The plant, designed and operated by leading water treatment and reuse company Aquabio, delivers significant savings by overcoming the need for such offsite disposal as well as avoiding the need for continuous inputs of fresh water to the manufacturing process. Cool-Therm specified a 521kW TMA Turbomiser air-cooled chiller, equipped with dual circuit evaporators and twin pumps, linked to two stainless steel brazed plate heat exchangers. This allows run and stand-by operation to enable continuous 24 cooling in the event of planned maintenance or the unlikely event of a breakdown. Martin Sharman, Cool-Therm’s midlands regional manager, said “We worked closely with Aquabio during the design, planning and implementation stages in a consultancy capacity. The critical requirements for the chiller were reliability, resilience and efficiency. Turbomiser is supremely efficient and reliable, as has been proven in hundreds of installations across the country. Equipped with the dual circuit and twin pumps, it has the resilience to maintain cooling round-the-clock, every day of the year.” Water is cleaned after the MBR using Aquabio’s reverse osmosis membrane technology, then passed at a temperature of up to 35. deg C through one side of a brazed plate heat exchanger and returned at 12deg C back into the production system in a continuous process. The system is able to handle a ow rate of up to 40cu m per hour. The heat energy is discharged to atmosphere through dual evaporators, with cooled heat transfer water pumped into a buffer vessel to maintain a header of water for use in the heat exchanger. This ensures that the internal circulating water is kept completely separate from the process water. Following the success of the project, Cool-Therm is working with Aquabio on a water reclamation plant for a food manufacturing facility in Scotland. Because this is on a smaller scale, it is likely that the chiller will be based on an inverter-driven screw compressor.

ea ing air con itioning installation specialist oolair uipment t has met the cooling re uirements of one of the orl s biggest online gambling companies. The contrac tor, with offices in Manchester, Cannock and Maidstone, delivered the cooling and heating package for bet3 5’s stunning new office in Stoke-on-Trent. The contract with SES Engineering Services, worth almost 1m, involved supplying and installing 1 exible VRF heat recovery systems from Mitsubishi Electric for bet3 5’s office space and its 3,000 employees. All the systems were connected to a centralised control system linked to the company’s building management system. Coolair also installed 12 twin direct expansion D Mitsubishi Electric split systems to cool all the server rooms, and a further 21 single D split systems for the uninterruptible power supply UPS rooms, security lodge and equipment room. As an accredited Business Solutions Partner of Mitsubishi Electric, Coolair also signed an annual maintenance agreement that includes a seven-year warranty on all the systems. The new air conditioning systems have ensured that bet3 5 is able to continue to provide a world-leading round-the-clock online gaming service to its 21 million customers in 1 different languages. Daniel Lawson, SES Project Manager, said “Coolair proved an excellent contractor to work with on this prestigious project. Their professionalism and willingness to go the extra mile ensured that bet3 5’s new office went live from day one with a perfect working environment.” Coolair Director Neil Gibbard added “We were delighted to be chosen for our experience, expertise and close association with a world-leading manufacturer to carry out one of our biggest-value contracts for such a successful service company and such a major employer.”

Bet365’s new Stoke office, for which Coolair supplied and installed the air conditioning systems

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N EW S

FINN GEOTHERM HELPING SCHOOL’S GREEN AMBITIONS Renewable heating expert Finn Geotherm is embarking on a project in collaboration with renewable energy hub Greenio that will see William Farr School in Lincolnshire become a truly green school. The school is undertaking a £900,000 investment to install biomass and ground source heat pump technology which will completely replace its existing gas boiler system. The 16-week project is being led by Greenio, who are installing five biomass boilers, and subcontracting the ground source system to Finn Geotherm. Finn Geotherm is installing two Lampoassa Eli 90 ground source heat pumps, linked to around 10,000 metres of ground loop which is being installed underneath a football pitch adjacent to the school. The 180kW ground source system will run alongside Greenio’s biomass boilers to generate all the heating and hot water required by the 1500 pupil comprehensive school. William Farr School has already installed solar panels, LED lighting and intelligent energy control systems. Once this latest project is complete, the school will save

TEGR

The William Farr School in Lincolnshire

more than 300 tonnes of CO2 and generate income and savings of £185,000 per year after the initial investments are paid back. Andy Stones, head teacher at William Farr School, said: “We are really enthusiastic about the latest project, which is the culmination of three years’ determination and drive to create a truly green school. It is something the students here, who have been involved in the process from the beginning, are really passionate about and it makes good financial sense. These projects are helping to secure the school’s future by bringing down our costs and generating valuable income for the future.” Guy Ransom, commercial director at Finn Geotherm, added: “We are

David Bostock, Industrial Director, left, with Ian Hussey at the Hereford office

FF CE

delighted to be involved with this project that has William Farr blazing the trail for educational establishments and renewable energy. It is brilliant to see a school which is so forward-thinking, not only in its approach to energy use and reducing its carbon footprint, but also in securing its future sustainability.” Anna Wooster, managing director of Greenio, said: “I am pleased to be working with some of the leading ground source experts in the country on this impressive project. Finn Geotherm’s expertise and inputs throughout the project have been invaluable and I have no doubt that the work will run smoothly in their capable hands.”

HEREF R

H RE

Integral’s on-going development of its UK Industrial Refrigeration and Specialist HVAC capability continues with the opening of a ne oﬃce in Herefor shire. Cardiff, Leicester, Leeds, Sheffield, Newmarket and Faversham. Integral’s HVAC division is expanding rapidly and in the past few months has delivered key projects within a very diverse customer base, including but not limited to: Specialised cooling project for a major retailer in Leeds Petrochemical sites in South Wales Commercial projects in London Ministry of Defence establishments in the South West Ian Hussey, Specialised HVAC Sales Director, said: “Opening a new office in Hereford will allow us to expand our specialist services, design, service and maintenance and installation projects nationwide, all within one location to enable us to provide a fast and effective service within the specialised HVAC market.” CMYKCMYK / .ai / .ai CMYK / .ai

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CAS E ST U DY

Blédina PUTTING

ITS TRUST IN CLIMALIFE With an aim to reduce energy consumption and environmental impact, the Blédina plant, part of the Danone group, turned to MCI and one of Climalife’s latest innovations.

he Danone group is a global leader in the food industry and climate change is having a signi cant impact on the natural cycles that in uence the foo system. The group has both a responsibility and a vested interest in contributing to the fight against climate change, by helping to establish a “carbon-free” economy. To achieve this, Danone measures its carbon footprint across its entire value chain. In other words, at its own level logistics operations, packaging, etc. and that of its suppliers (agricultural holdings, etc. , but also for consumers and local communities. Fr d ric Lebas, Director of the Bl dina site in Brive-la-Gaillarde in the south-west of France, says that the group has set itself a mission “to bring health through food to as many people as possible”. He added “We are committed to achieving long-term zero net carbon through solutions cocreated with our partners.’’

Bl dina wishes to adopt the same approach for the replacement of their refrigeration systems that run on R-22, choosing CO2 for sub-zero refrigeration and a cooling unit for above-zero refrigeration, a solution proposed by the MCI installation engineer.

No hazard symbol

When replacing the refrigeration system on the Brive-la-Gaillarde site, Nicolas Tomaz, a Project Manager at Bl dina, looked for a uid that could contribute to reducing the site’s carbon footprint. He approached Climalife, who he knew to be a producer of heat transfer uids based on natural and renewable raw materials. After analysis of the customer’s requirements, and relying on its expertise in the field of heat transfer uids, Climalife recommended the use of Greenway Neo and contacted MCI for technical data. Another advantage of Greenway Neo is that it is highly biodegradable, with very

little impact on the environment. Nicolas said “Our goal was to replace the old system with the most environmentallyfriendly and energy-efficient uids”. All products entering the Brive site are inspected in accordance with strict specifications. The use of Greenway Neo was immediately approved and authorised by the quality department, who observed that “the safety data sheet shows no hazard warning or symbol on the label”. For his part, avier Mercusot, Sales Manager at MCI, was proud to have been able to provide technical solutions to meet his customer’s performance, innovation and environmental requirements, “while respecting tight deadline constraints”. To replace the R-22 cooling units, which cooled the above-zero cold rooms 2 4 C and -4 C a sub-zero cold storage room -20 C , MCI and Bl dina chose Greenway Neo and CO2 for its GWP of 1 and its ODP of 0. Above-zero cooling was carried out using a Trane unit running on R-134a, with a power capacity of 2 kW at - C and a Greenway Neo secondary refrigerant circuit, with heat recovery from the condensation from this unit. The heat recovery produces hot water for defrosting at 30 C. This chiller also ensures sub-zero circuit condensation through a cooling unit using CO2, with a power capacity of 12 kW at -1 C. They also worked on the variable hydraulic distribution ow rate, chose Belimo self-regulating valves and a speed variation on compressors, ventilation and pumps. Finally, instrumentation and complete supervision enabling the system’s COP and consumption to be monitored were implemented.

FEBRUARY 201

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Training is the seed of the future For more than 30 years, Fujitsu has been helping to train the UK’s air conditioning engineers, many of whom are now established names in the industry. Their hands-on approach has helped the industry become what it is today.

Fujitsu is proud to support the ACR Trainee of the Year.

For more distributor or product information visit our website

www.fujitsu-general.com/uk DATES FOR THE DIARY ‘An introduction to the Fujitsu Product Portfolio’ 14th February, 7th March & 3rd May 2017 p09_acrfeb17.indd 1

16/01/2017 12:15:03

M I TS U BI S H I ELECT R I C

AN ‘APPY’ INDUSTRY?

n my last column, I talked about the various Apps that manufacturers, such as Mitsubishi Electric, are developing for engineers when they are out on the job.

These can save you the time involved in having to call a technical helpdesk and will become increasingly important as jobs become even more digital and interactive. Software like BIM is really starting to make a difference now with consultants and designers able to use exact digital information on products and design them into projects. BIM will eventually enable the construction industry to track the lifecycle of a building from drawing board to demolition and – for our industry – will help track the lifecycle of a piece of equipment in a similar way. I can also see a day in the not too distant future when monitoring and reporting the energy consumption of each piece of kit also becomes a part of whole process, especially with legislation forcing commercial landlords to look at the efficiency of their buildings before they can lease them out. So, are you making full use of these Apps and digital tools, or do you find yourself digitally disconnected’ Most people have a smartphone of some kind these

days, so it is worth investigating if you’re not currently using what is available. At the same time, we know the reality of installing air conditioning into a building – especially retrofitting, can sometimes be less exact’ than what was on the designers plan, given the constraints of working in an existing building around other professions such as electricians, plasterers, ceiling panellists, lighting, alarm systems, etc. So we also know that there will be times where you need to pick up the phone and talk to an expert from the manufacturer, regardless of what App is available or not. That’s what we the manufacturers are trying to do, provide the right digital tools, alongside the training and expert advice when you really need it. Ben Bartle-Ross is a trainer at Mitsubishi Electric. If you have any comments on this column of any other training issue contact him by email: Ben.Bartle-Ross@meuk.mee.com

daikin applied (UK)

Daikin Applied Your Specialist Chiller & AHU Supplier ...Technically better Daikin Applied UK is the country’s leading manufacturer and supplier of air handling units, chillers and site services. Our products are designed to achieve the highest level of efficiency and performance by utilising the latest technologies including inverters, EC fans and controls. Our support service is available to cover all customer requirements including remote monitoring and management even for the most critical installations. • Innovative technology • Bespoke design & application • Highly efficient future proof solutions • Chiller range from 5kW - 10MW • AHU ranges from 0.3m³/s - 50m³/s • Eurovent certified • Manufactured in the UK Air & Water Cooled Chillers For more information on our Chillers and AHUs, contact us on: FEBRUARY 2017

North: 01670 566159 South: 01322 424950 Mitsubishi.indd 10

Air Handling Units

AHUs CHILLERS

CIBSE accredited Chiller CPD now available

PROJECTS SERVICE

www.daikinapplieduk.com 16/01/2017 15:25

XP40

Refrigerants Refrigerant (R-449A)

Your low GWP solution Problem solved with for tomorrow! lowtoday GWP&Opteon™ XP40 • Complies with F-Gas Regulations • Excellent efficiency and performance • Readily available for quick and easy retrofits, • Quick and easy replacement for R-404A refi ts and new equipment • Designed a wide of RAC applications • ASHRAEfor A1, non-flrange ammable • Improved energy efficiency and reduced impact • One third the GWP of R-404A on the environment • Widely available and supported by component manufacturers

“Our customers see Opteon™ “Opteon™ XP40 – the best low GWP refrigerants as the solution for my customers” new industry standard” David Wilkinson Mark Hughes General Manager Business Development Manager GEA Refrigeration UK Ltd OpteonTM Refrigerants EMEA Chemours UK

www.opteon.com

Our strength is our fast response Quality engineering products for NH3, CO2 and other refrigerants from leading European manufacturers • Open Refrigerant Pumps • Hermetic Pumps NH3/CO2 • Pressure Vessels • Surge Drums • Liquid Receivers • Economisers • Oil Recovery Systems • Chilled Water/Brine Chillers • Ammonia Spray Chillers • High Pressure Floats • Stop Valves NH3/CO2 • Ball Valves

• Electronic and Pneumatic Control Valves • Liquid Level Transducers • Flap Indicators • Oil Separators • Circular Welded Plate • Heat Exchangers • Shell & Tube Condensers • DX Chillers • Brazed Plate • Heat Exchangers • Capillary Hose • Leak Detection Equipment

Our distribution partners in the UK at:

www.opteon.com

© 2016 The Chemours Company FC,LLC. Opteon™ and any associated logos are © 2016 or The Chemours FC,LLC. Opteon™ and anyChemours™ associatedand logos trademarks copyrights ofCompany The Chemours Company FC,LLC. theare trademarks copyrights of The Chemours Company FC,LLC. Chemours™ and the Chemours Logoor are trademarks of The Chemours Company. Chemours Logo are trademarks of The Chemours Company.

CH_1503_AZ_001_Opteon_Ad_Campaign_2016_UK_ACRJour_92x275_20160107.indd 1 11.01.16 12:22 Chemours1.indd 1 23/02/2016 12:06:33 CH_1503_AZ_001_Opteon_Ad_Campaign_2016_UK_ACRJour_92x275_20160107.indd 2 11.01.16 12:22 p_acrfeb.indd 1 p13_acr_apr16.indd 1

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OU T & ABO UT

out & about

MAJOR NEWS IN

THE UK FOR LG James Knight, Account Manager for the ACR Journal, visited LG’s head offices in Weybridge to see the launch of its new VRF model that pushes the boundaries for end user comfort and energy efficiencies.

ulti V 5 (model ref: ARUM***LTE5) LG Electronics latest Variable Refrigerant Flow (VRF) solution was launched in the UK in December 2016, equipped with a host of technological advancements. These include a ‘Dual Sensing Control’ system, which monitors both temperature and humidity levels, reacting to both sensible and latent heat loads. The new Multi V 5 features LG’s own 5th generation ultimate inverter compressor and a larger system capacity offering, along with improved seasonal efficiencies, making Multi V 5 the ultimate climate control solution.

Dual sensing control

Directly benefitting the end user, Dual Sensing Control is a new advanced system concept that reduces operating costs and optimises comfort conditions. The Multi V 5 system reacts to load requirements by monitoring both temperature and humidity levels. Using Smart Load Control (SLC), the system operating conditions are regulated in reaction to both latent and sensible heat loads rather than a traditional sensible load only, increasing energy efficiency by up to 31% compared to none SLC models. A typical VRF system operation would uctuate considerably in order to maintain the required room conditions, normally operating on a thermostat on, thermostat off cycle. The Multi 5 Dual Sensing Control offers each user a selectable Comfort Cooling option, which maintains supply air temperatures around

the desired room set point, reducing on off cycling, eliminating draughts and delivering maximum user comfort. The Multi V 5 Dual Sensing Control coupled with its Comfort Cooling option provides a comprehensive automated solution reacting to multiple climatic conditions achieving optimal energy efficiency with maximum comfort levels.

Ultimate inverter compressor

LG’s own 5th generation compressor offers a host of unique LG technological developments, including a High Sided Shell (HSS), High Pressure Oil Return (HIPOR), and a new Polyetheretheketone (PEEK) bearing allows an all inverter, system compressor to operate between 10Hz – 1 5Hz, increasing partial efficiencies, extending capacity, and increasing reliability. The advanced PEEK bearing system sees a redesigned scroll bearing consisting of Polyetheretheketone, a material normally used in aeroplane

engines to give high reliability by suffering minimum effects of frictional wear at high temperatures, caused normally by periods of oil less operation. High Pressure Oil Return (HiPORTM) greatly reduces compressor energy wastage by returning oil directly into the sump of the compressor, instead of via a traditional method of suction line return. Oil viscosities are kept low, volumetric efficiencies high and this adds to increased compressor efficiencies by up to 10 . LG’s concept of real time oil monitoring is included in each compressor. ‘Smart Oil Management’ utilises a sensor placed in each compressor to monitor oil levels in real time, allowing corrective action when required, improving life cycle expectancies and extending heating periods by eliminating unnecessary oil return, coupled with the added ability to balance oil levels between compressors.

Large capacity ODU

Adopting an awareness of biological – inspired engineering, a biomimetic fan has been developed and incorporated with a 4-sided heat exchanger and improved compressor performance. Multi V 5 s efficiency and capacity has been enhanced to a position where it is able to provide 26HP (72.8kW) from a single outdoor unit. Working with Seoul University’s Department of Mechanical and Aerospace Engineering, the researchers behind the development of Multi V 5, drew inspiration from the humpback whale’s functional morphology of ipper

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OU T & ABOU T

XP40

structures to give a naturally evolved passive ow control. By adopting a biomechanical approach, increased air ows have become possible, negating most of the associated negatives.

Ocean Black Fin

Equipped with LG’s exclusive Ocean Black Fin anti-corrosion coating, Multi 5’s 4 side heat exchanger is protected to reduce the effects of corrosion normally found in coastal and industrial environments. The 2-part coating consists of a black epoxy resin providing the resistance and a hydrophilic coating to minimise the accumulation of moisture, which would accelerate any chemical reaction. The durability provided from Ocean Black Fin prolongs the products life span in the most challenging environments, paving the way for exceptional, long-lasting performance.

Improved heating performance

A split heat exchanger, humidity sensor regulation and real time oil level monitoring all work together to give Multi 5 improved heating performance through delayed defrosting. Dual Sensing Control regulates the evaporator temperature to latent heat loads, therefore maximising its exchange efficiency for longer periods. Alongside Dual Sensing Control, apour Injection technologies, guarantee heating performance at -25 C, maintaining 100 heating capacity at - C. Multi V 5 system technologies help to increase heating operation time by 11% per day and lead to a 7% reduction in power input when compared to conventional RF systems.

Refrigerant (R-449A)

Problem solved with low GWP Opteon™ XP40 • Excellent efficiency and performance • Quick and easy replacement for R-404A • ASHRAE A1, non-flammable • One third the GWP of R-404A • Widely available and supported by component manufacturers

“Opteon™ XP40 – the best solution for my customers” David Wilkinson General Manager GEA Refrigeration UK Ltd

www.opteon.com

Solution to a varied application

With ever increasing demand for various applications of VRF across the H AC industry, LG’s Multi range has always offered a common outdoor unit model with the possibility to attach fan coils, air handling units, water production, heat recovery ventilation and an array of control integrations, where the sole distinguishing factor of selection is whether the system is a heat pump or heat recovery design. LG has made this outdoor unit selection even easier with a common chassis, not only across indoor application, but also between heat pump and heat recovery systems. A change to system application once tenants have moved into the building has never been easier. LG’s new agship air conditioning RF system, Multi 5, is available now. For further details HVAC.marketing@lge.com.

LG’s UK Head Office

LG_Out & About 2.indd 13

© 2016 The Chemours Company FC,LLC. Opteon™ and any associated logos are trademarks or copyrights of The Chemours Company FC,LLC. Chemours™ and the Chemours Logo are trademarks of The Chemours Company.

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T EC H NI CAL

HOW TO CHOOSE A BUILDING MANAGEMENT SYSTEM (BMS) The global building management systems (BMS) market size is projected to surpass USD 6 billion (£4.9bn) by 2023, recent research from Global Market Insights suggests.

ith buildings becoming ever more complex, and Part L2, Building Regulations stating we monitor all services and reduce energy wastage, is it any wonder that we rely upon building management systems more and more?

Reece Thomas of Airedale

To help you evaluate the large range of systems on the market, Reece Thomas, Controls Project Manager of Airedale International Air Conditioning Ltd, has come up with a checklist of key criteria which you should consider when evaluating a BMS partner.

Detailed reports

It is essential that your BMS provides a range of reports so that you can monitor, measure and forecast your building’s performance to create progressive actions, make system corrections, and optimise your building performance. Customised rather than standard reports, that provide data-driven prioritisation based on your own specific goals – for example, saving energy, improving comfort or better life cycle maintenance – are essential. Of equal importance is that the reports are easy to read and can be interpreted by a wide range of people who may need this data to support their role.

“

YOU NEED TO ENSURE THAT YOUR BMS IS ABLE TO HANDLE ADDITIONS, CHANGES AND UPGRADES THAT ANY USER COULD POTENTIALLY REQUIRE”

FEBRUARY 2017

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T ECH N I CA L

Flexibility

“

According to guidelines from CIBSE, a BMS should be capable of dealing with a future 20% increase in the number of points without compromising the system’s functionality or speed of operation. This ensures that as your organisation grows, the solution can meet its needs. You also need to ensure that your BMS is able to handle additions, changes and upgrades that any user could potentially require.

Open data communication

One of the key elements behind a BMS is the ability to provide open standard communication protocols such as BACnet or SNMP to allow extensive integration possibilities between different systems and devices. The BMS will need to span older and newer devices and protocols, sometimes aggregate multiple protocols and send the information to frontend system. Avoid any BMS that uses languages or technical protocols that lock you into using their vendor’s proprietary technology.

Service support

A good BMS should ag up maintenance issues, such as inefficient equipment, early so that it can be improved or even replaced. By having a service contract in place you will eliminate unforeseen costs and ensure peace of mind. A contract

SELECTING A BMS WITH A STANDARDISED DESIGN BUILT ON PREVIOUS EXPERIENCE MEANS THAT ALL THE COMPLEX PROGRAMMING WORK HAS ALREADY BEEN DONE AND IS ALREADY PRE-CONFIGURED TO INTERACT WITH THIRD PARTY SYSTEMS, MAKING IMPLEMENTATION MUCH SIMPLER”

will also ensure direct and immediate access to the latest system upgrades and software developments.

Standardised design

of your sector, and who is a market leader that will provide a solution that continually evolves to keep up with the market changes.

Selecting a BMS with a standardised design built on previous experience, ensures that all of the complex programming work needed to communicate with power, cooling, and IT systems has already been done and that it is already pre-configured to interact with third party systems making implementation much simpler. Trying to use highly custom, “one off” products that aren’t designed to work together can make installation, operation, and maintenance of the tools very difficult.

Proven track record

Look for a provider with solid industry expertise in building management, who understands the particular challenges

System security

Ensure that security is a key priority for your BMS provider. Your BMS should include a range of resilient security features with intelligent parameters such as: secure remote account logins with defined user level access, SSL certification to authenticate connections users, and encrypted HTTPS connection and data stream for controllers to cloud. As you can see, there are many aspects to consider when selecting the right BMS. But the correct, well specified and up-to-the-minute BMS can transform your building equipment usage and results.

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www.airedale.com

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T EC H NI CAL

THE DEVELOPMENT, SCIENCE AND FUTURE OF AIR CONDITIONING

Contemporary cooling and heating systems have been popular household items for over a century. From refrigerators and air conditioning units to industrial heating systems in domestic, commercial, and corporate settings, we depend on such systems throughout everyday life.

n the 21st century, everyone from government experts to the average person on the street are more conscious of the environment and the e ects of climate change on the planet.

As such, businesses are increasingly looking towards ways of being more environmentally friendly. Whether this is in the manner they conduct their day-to-day business, or the way in which they deliver their products and services, businesses are becoming increasingly aware of their potential negative environmental impact… and so are consumers. However, before you can begin to understand the future, we must acknowledge the past; how did these systems develop and what is the science involved? Only then can we get a better image of what the future will bring for cooling and heating systems.

The science behind air conditioners and heat pumps

There is a branch of science that is harnessed in the production and development of air conditioners, heat pumps, and even refrigerators, and this science is known as thermodynamics. Thermodynamics is a science that analyses the relationship between energy and heat, and also takes into consideration how different types of energy can generate heat. When it comes to heating and cooling, there is one specific law that we need to look at. There are four thermodynamical laws, but the one we are interested in is the 1st Law of Thermodynamics, given by the following equation:

In this equation, the first term describes the change in internal energy of the system. Internal energy is the energy contained within the system which excludes the kinetic and potential – energy due to another body, force, or characteristic – energy. The second term describes the heat that is either supplied or taken away from a system. For example, if a block of ice is heated, Q would be the amount of energy that is used to heat the block of ice. The final term describes the work done by the system, which is energy that is transferred to or from the body’s surroundings. An example of this would be supplying electricity to a hairdryer that will then heat up your hair; in this case, the work done is supplied by the electrical energy from the mains power supply.

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T ECH N I CA L

How do air conditioners and heat pumps work?

The fundamental science behind an air conditioner is that it brings in warm air and converts it into cooler air; this process is known as the refrigeration cycle and it is the building block of ice machines, air conditioners and refrigerators. The process involves a refrigerant, which is a chemical that absorbs and, thus, removes heat from a certain region and rejects heat anywhere else. With this, air conditioners work by bringing in warm air from the outside, or the room itself, and passing it through a coil that contains an evaporated form of the refrigerant. This then extracts the heat from the warm air and turns it into cold air. After this, fans blow the cool air into the room and the process continues. Heat pumps work in the same way but the refrigeration cycle is reversed; cold air passes through a coil that contains a condensed form of the refrigerant, which then adds heat to the cold air, producing warm air, which is them pumped into the room.

How were these developed over the years?

The development of air conditioners has been a very recent endeavour the first sign of people becoming interested in the idea of air conditioning was in the middle of the 18th century when Benjamin Franklin and a chemistry professor at Cambridge University, John Hadley, worked together to try and come up with a way to use evaporation as a method of cooling. Then in the early 19th century, English scientist Michael Faraday discovered that evaporated ammonia could cool air. Shortly after, in 1851, John Gorrie obtained a patent for an ice making machine but never followed it up. The world’s first electrical air conditioner was invented in 1902, paving the way for air conditioning in a domestic setting. In the latter half of the 20th century, air conditioner manufacturers were trying to find effective refrigerants that would enhance the refrigeration process and make them more efficient. This was the birth of the chloro uorocarbons and hydro uorocarbons, also commonly known as CFCs and HFCs.

Heritage Heating & Cooling Ltd Heritage Heating and Cooling are specialist air conditioning contractors and installers, supplying high quality air conditioning and heating units for a range of industrial and commercial settings.

What is the future for air conditioning?

The simple answer is that it is one that is free of any pollution and any harmful effects. The reason for this The so-called CFCs and HFCs that were used in air conditioners, aerosols, and refrigerators for decades. In 1987, countries from around the world knew that these harmful compounds were destroying the ozone layer by a process where the chlorine atoms break from the original CFC compounds and attack ozone molecules, resulting in the depleting ozone layer. The solution to this was the Montreal Protocol, a treaty that was designed to protect the ozone layer by phasing out any compound that was responsible for ozone depletion. The Montreal Protocol has recently been revised again so that HFCs that they can be phased out gradually. Because of this, companies all around the world are looking for a safe alternative to traditional refrigerants. This could mean that in the future we will be seeing even more efficient air conditioners and a complete eradication of harmful compounds, which will be fantastic for the future generations. In fact, future versions of air conditioners could even run without any refrigerants whatsoever.

One technology being developed is known as magnetic air conditioning. The idea behind this is based on an effect known as the magnetocaloric effect. This effect can be seen when you place a metal within a magnetic field when this happens, the metal heats up and loses thermal energy, meaning that when it exits the field, it is cooler than when it entered previously. This technology has been effective in laboratory settings by using incredibly strong magnets that can generate magnetic fields from 0. T up to 10T. However, the higher magnetic fields can only truly be achieved using superconducting magnets, which must be initially cooled prior to being able to produce such intense magnetic fields. However, in the next few years, we are sure to see this being introduced more widespread across cleaner, safer, and more environmentally friendly air conditioners. The future of any type of technology is veering towards a cleaner, safer, and more efficient alternative. Because of this, companies around the world are investing millions into researching these cleaner methods, which insures that we are bound to see even more payback from such investment in the very near future. So, while the future may not always be guaranteed, through continual development and a persistent push for progress, the future of air conditioning is in our hands.

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COM PET I T I O N

DECEMBER/JANUARY WINNER & RUNNER UP Winner of the Deluxe SPA Day for two at a Marriott Hotel is Paul Bradley, Bradley Refrigeration. Three Course Meal and a Glass of Wine for Two at Zizzi, was won by Stephen Williams, Ducatt Building Services.

Welcome to our wordsearch competition, sponsored by Refcom, the UK’s leading F gas company certification scheme. Find out how to apply for your company certification, or renew your existing certification, online at www.refcom.org.uk/f-gas. To demonstrate best practice, Refcom also operates Refcom Elite. To ﬁnd out more visit www.refcom.org.uk/refcom-elite. There are some GREAT competition prizes this month from Refcom, the UK’s leading F-Gas register.

Simply find the 10 words we’ve hidden in the word search for your chance to win. The winner of this month’s competition will win:

ACRIB

AUDIT

COOLING

DEFRA

FEBRUARY

GAS

HFC

INSPECTION

One runner-up will win a :

OZONE

WARMING

Three Course Meal and a Glass of Prosecco for Two at Zizzi.

Two’s Company Spa Day at Bannatyne’s Health Clubs.

Prizes may vary from that pictured.

CLOSING DATE IS 10TH FEBRUARY 2017 Send your entry to: Competitions Department, ACR Journal, Warners Group Publications, The Maltings, West Street Bourne, Lincs, PE10 9PH or complete online: www.w2u.en/RefcomComp Name ...................................................................................................................................... Company .......................................................................................................................... Job Title .................................................................................................................................. Business Address ........................................................................................................... ........................................................................................................................ Post code ...................................... Tel ...................................................... Daytime/evening (please circle) .............................................................................. Company email address ..................................................................................................................................................................... Please sign here if you wish to receive or continue to receive a regular

FREE copy of The ACR Journal

FREE e-newsletter

Signed ........................................................................... Date ................................................................... In relation to air conditioning and refrigeration products, please tick the most relevant box below. Purchase Specify Use Install Maintain Manufacture None of these Do you: Warners Group Publications plc will automatically provide you with relevant direct mail and/or telephone information. If you do not want to receive this information tick here . We may also e-mail you with information about relevant products/services. If you do want to receive e-mail please tick here . Warners Group Publications plc will occasionally allow selected third parties to contact you about their products/services. If you do not want to receive relevant direct mail and/or telephone information from third parties please tick here . If you do want to receive relevant email from third parties please tick here . All prizes are subject to availability and may change.

FEBRUARY 2017

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When Tomorrow

Wonâ&#x20AC;&#x2122;t Do

Refrigeration & Air Conditioning Suppliers www.rw-wholesale.co.uk

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E V A W EA NR TD S W I N N E R S

2017

WINNERS SPONSORS AND SUPPORTERS

Essential Information for the Air Conditioning and Refrigeration Industry

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ACR PRODUCT

Samsung 360 Cassette

ACR ANCILLARY PRODUCT

ACR CONTRACTOR OF THE YEAR

Wey-TEK-HD scale

Stonegrove Refrigeration Services Ltd Stonegrove Refrigeration Services is one of the leading independent refrigeration companies in the UK, capable of designing, installing, servicing and maintaining nationally all types of refrigeration systems Started in July 2002 by Ray Cashmore, the company has grown in size year-on-year since 2002 and we now firmly believe we are one of the largest independently owned industrial refrigeration companies within the UK regularly turning over in excess of 10million. In 200 200 , Daniel Cashmore, Ray’s son, and Kerry Letchford purchased shares within Stonegrove as a planned strategy with Ray to ease him gently towards future retirement. Dan and Kerry have worked most of their lives in the industry and have been at Stonegrove from the very early years of conception. Both have been an integral part of Stonegrove’s success and growth during this period.

Samsung Electronics UK & IRL The brand new Samsung 3 0 Cassette is a world-first circular air conditioning unit with omnidirectional ow discharge. In order to create this circular cassette, Samsung had to overcome the restrictions associated with oscillating louver blades used in traditional four-way cassettes – impossible to fit into a circular unit. In order to overcome this Samsung developed a patented negative pressure solution’. Using three mini booster fans, a negative pressure is formed on the upper side of the cassette, de ecting the air upwards. Speeding up and slowing down these fans oscillates the air in the same motion as would be created by a louver blade. This lack of physical frictional blades increases the efficiency of the system and achieves a 0 discharge angle, allowing the air to pass along the ceiling and avoid cold draughts.

JAVAC UK Ltd After evaluating the market we decided that we could satisfy our customers’ requirements by launching an app-based wireless refrigerant scale with F-Gas refrigerant data logging features. This scale was developed not only to perform in an ever changing technological environment, but also to set the standards for versatility, durability and accuracy, by offering a larger capacity maximum weight of 115kg. The Wey-TEK-HD has made a notable difference in assisting both refrigeration and air conditioning engineers by making F-Gas tracking a simple three click process via the free downloadable app.

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A W A R D W I N N E R S

Control Product of the Year

Toshiba’s SMART Touch controller

ACR PROJECT OF THE YEAR CONTROL PRODUCT Toshiba’s new flagship SMART Touch controller opens up a new era in easy-‐to-‐use yet Milton Keynes Icepowerful Rinkair - conditioning control. OF THE YEAR immensely and othersIt provides a modern, compact

approach to air conditioning control and management based on a state-‐of-‐ the-‐art touch sensitive graphical user interface, with easy-‐to-‐use icons and a simple intuitive navigation. Despite its simplicity of use, the SMART Touch is extremely powerful, enabling the user to carry out sophisticated control strategies and in-‐depth data analysis.

New mini-BMS system

Simple to install and configure, the SMART Touch offers three levels of operation -‐ general user, building manager and engineer, all password protectable. It features a built-‐in web browser interface, air conditioning status, unit Toshiba’s is an enable and disable, time and alarm management control and new fault imini-BMS ndication.

DOMESTIC AIR SOURCE PROJECT

Exclusive property in Jersey

Toshiba Air Conditioning

innovative new control and The exceptionally bright, clear 7in colour touchscreen enables engineers and end users – importantly, even those unfamiliar with air conditioning – to control systems and combines monitoring solution that optimise performance and indoor comfort. powerful features with a user-

With the ability to control up to 64 indoor units via a unique capacitive touchscreen, friendly interface. the controller marks a departure from conventional air conditioning controls based It gives access to control on slow-‐response resistive touchscreen technology.

parameters for

The pin-‐sharp interface provides lightning response to the operator’s touch units commands. Unlike controllers from some other mIndoor anufacturers, Toshiba’s new controller is not based on physical buttons but an intuitive touchscreen with icons, External devices similar to a large SMART phone.

Bitzer UK and G&O Refrigeration

A “first” for ice rink application. The choice of compressor was something of a pioneering decision for G&O, as it was the first time Bitzer’s CS H semi-hermetic had been used in ice rink applications. The compressors operate on R134a, which is normally associated with medium temperature applications, such as commercial air conditioning. However, the performance envelope is surprisingly wide, and the company was attracted by the fact they can evaporate down to -1 deg C, at a suction pressure of 0.5Bar. Following its success, the company has now produced 10 Gorac packs for use in rinks across the UK. In addition to Milton Keynes, they have been installed at rinks in Hemel Hempstead, Swindon and Cardiff. This latter project is the largest to date, with two ice pads on site.

Temperature reporting and logging Plus power monitoring for the whole building.

Remote capabilities It enables remote access to control and monitoring functions via the internet, giving users and service providers an extremely exible tool to monitor and control the system, as well as diagnose potential problems remotely. In the event of a problem. It can automatically send an email or text alerts to notify a building manager that an issue needs attention. Energy monitoring The Mini-BMS is able to log and store energy usage data to provide a valuable record which can be analysed in detail. It can do this for the whole building or specified parts of a building, giving the user the ability to automatically graph and evaluate the system’s performance.

Viessmann & Matrix Energy Systems One of the most exclusive properties in Jersey, Le Couperon is an m luxury home situated on the site of a converted Napoleonic fortress. Matrix Energy Systems was asked to provide a heating solution for the main house’s considerable, 11,500 sq ft oor area, swimming pool, showers, and guest accommodation. The new heating system had to be strong, dependable, and precisely controllable in different parts of the house, exceptionally energy efficient, and environmentally friendly, with no use of fossil fuels. The optimum heating technology for this property was determined through a process of elimination. Biomass was ruled out as fuel would have to be imported, ground source heat pumps was excluded because of drilling limitations, and solar panels resisted because of their effect on the aesthetics of the building. The solution, for energyefficiency and fossil fuel-free heating, was three iessmann itocal air source heat pumps. Air source heat pumps are particularly suited to Jersey’s climate.

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DOMESTIC GROUND SOURCE PROJECT

18th Century tower windmill

HEAT PUMP INSTALLER OF THE YEAR

HEAT PUMP PRODUCT

Ecodan QUHZ air source heat Pump

Finn Geotherm Ground source heating for a picturesque 18th Century tower windmill used as a family home. The brief was to provide low maintenance heating and hot water for the whole house, including a mill bedroom on the fifth oor. One of the key factors in the brief was to install a system which needed little intervention from the homeowner. For Mrs Martin, who is in her 80s and quite frail, the heating and hot water needed to virtually run itself. The building’s 18th Century structure provided many heating challenges. The existing oil boiler system was unable to deliver adequate heat throughout. The entire system was designed and installed without impacting the aesthetic appearance of this truly remarkable home. The ground source heat pumps were installed within the existing oil tank storage space and 2000 metres of collector loop were meticulously laid within six inch wide trenches at a depth of 1.2 metres within a field adjacent to the house. Primary trenches were carefully taken through the hedging and across the lawn, to leave virtually no trace after the installation was completed.

Mitsubishi Electric

The Ecodan QUHZ air source heat pump is engineered to match the different heating and hot water requirements of new-build homes. The MCS-Approved unit uses CO2 as a refrigerant to ensure a large Delta T between ow and return temperatures and deliver the high levels of efficiency needed to meet the demands of today’s well insulated new houses. The unit delivers water at 70ºC to a packaged 200-litre thermal store. From this thermal store, mains water is heated directly up to 65ºC via Mitsubishi Electric’s unique plate heat exchanger, meaning the homeowner receives hot water on demand. Unlike other Ecodan models in the range, this unit uses CO2 as a refrigerant to ensure a large delta T between the ow and return temperatures to and from the outdoor unit, and this delivers the high levels of efficiency necessary to meet the high hot water, low heating demands of today’s newbuild properties. This takes the heat pump industry directly into a sector which has previously been dominated by gas.

Ground Heat Installations Limited David Thompson, Managing Director and Owner of Ground Heat, began working in the plumbing and heating industry as an apprentice in 1980. In 2003, as Installations Manager at a plumbing and heating firm in Horwich, Bolton, he stumbled across his first GSHP and never looked back. His passion took him the length and the breadth of the country just to have the opportunity to install ground source heat pumps, as there were very few customers willing to take a risk with the new technology in the UK. He began installing small domestic units and then moved on to large-scale commercial work in social housing units. His most recent designs include installing 56 individual ground source heat pumps into a social housing unit in Bromley operated by a communal ground array and a unique riser design and the installation of an energy blade into a river in Clitheroe to run ground source heating.

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NON DOMESTIC AIR SOURCE PROJECT

Number 5, North Colonades, Canary Wharf

NON DOMESTIC GROUND SOURCE PROJECT RAGT Glasshouse

REFRIGERATION PRODUCT Adande A+ Fridge

Finn Geotherm

Cool-Therm This innovative replacement cooling and heating project in Canary Wharf has dramatically reduced building running costs and carbon emissions, while providing outstanding indoor comfort for occupants. Energy costs have been reduced by some £255,027 a year, amounting to nearly £5,000 per week. These savings will continue to accrue over the anticipated 10 to 15 year operational life of the plant, delivering total lifetime savings of between 2.55m and 3. m. Designed and installed by Cool-Therm in collaboration with Gratte Brothers and WSP London, the replacement system is based on all-fresh air heating and cooling. This is supplied by high-performance Air Handling Units (AHUs), with a combination of water-to-air heat pumps and dx cooling. Key to its efficiency is the harnessing of energy from condensing water from the cooling system for use in heating the building.

RAGT’s initial brief was to reduce the heating costs for its six glasshouses, which are used for developing new crops. LPG had previously been used to heat the glasshouses which, with a U value of around six, meant the boiler was in constant use in winter, leading to issues with fuel supply and heat distribution as the system couldn’t keep up with the heat being generated. RAGT needed a new system that was energy efficient, sustainable and could also be retrofitted to current equipment, including its existing grow tubes, and use the current plant room. This is the biggest heat pump installation that Finn Geotherm has undertaken to date. They specified and installed three Lämpöässä T120 ground source heat pumps linked to three Akvanti 2400 litre thermal stores. A network of 21,000 metres of collector loop was meticulously installed, with each loop no more than 500 metres as recommended by Lämpöässä to minimise pumping energy losses via the series of manifold chambers. In addition, each of the 42 loops was carefully modelled and nested in the trenches to ensure cold ows did not cross with warm returns and impact the system’s efficiency.

Adande Refrigeration Energy Systems

Adande A+ Fridge 0°C to +15°C benefits from unique Hold the Cold’ technology – efficient and sustainable there is less temperature recovery as cold air remains with the food. It saves energy and is suitable for refurbishment. Superior temperature control keeps food fresher for longer. Extending the Boundaries Through rigorous R&D, the A+ Fridge cooling system is significantly enhanced to deliver superior performance: Application of a high energyoptimised compressor Sustainable hydrocarbon refrigerant R600a with low global warming potential Improvement in the controller software settings Minimisation of heat loads Optimisation of the cooling system to operate at refrigeration temperatures Energy Saving – when compared to our standard VCS/VCR R600A in Chiller mode, the A+ Fridge has a huge energy saving of 23 .

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WHOLESALER/DISTRIBUTOR OF THE YEAR

IN SITU MONITORING

RACHP WOMAN OF THE YEAR

Daikin Altherma Hybrid Heat Pump

Jane Gartshore BSc FInstR, Director of Cool Concerns Ltd

RW Refrigeration Wholesale RW is a national wholesaler of highquality, multi brand products. They strive to achieve the highest level of service by putting the customer at the heart of all they do. Positioned strategically around the UK, the 12 RW branches are fully-stocked onestop shops that ensure customer demand is fulfilled. Offering a 2.2 million stock holding of over 6,000 products which include air conditioning equipment, ancillaries, refrigeration capital equipment and components from world leading suppliers. RW reaps the benefits of offering customers training on all product ranges, therefore free of charge training seminars are available locally at all branches. Together with various partners they offer discounted training on refrigerant handling to ensure all customers comply with current legislation and can provide their customers with a professional service that follows the ideals of the industry. RW also offers a unique FGas tracking system for its customers certification renewals.

The Daikin Altherma hybrid heat pump is a low temperature air-to-water heat pump working in series with a gas condensing combination boiler – designed to be significantly more efficient than a gas condensing boiler on its own. This system is aimed at the domestic market as an alternative to oil and LPG boilers and electric storage heaters, and as a replacement for traditional gas boilers. To verify the efficiencies of the hybrid system and highlight the role that heat pumps can play in reducing carbon emissions, Daikin UK embarked on a 12-month field trial, monitoring performance of Daikin Altherma hybrid heat pumps in a range of two and three-bedroom houses across the UK from Dumfries to Dorset. Hybrid systems of 5kW or 8kW were installed and both existing and new radiators were used. Installations were designed and installed by Microgeneration Certification Scheme MCS accredited installers. Heat loss calculation and required ow temperatures were based on MCS standards.

Jane is very well respected and has an extremely high profile within the refrigeration industry. In her time she has served as President of the Institute of Refrigeration IoR , chaired the IoR’s Education and Training Committee, and is also on the British Refrigeration Association’s BRA Council. Jane’s lead in sustainability issues throughout her career have made her a thought leader on subjects including energy efficiency, deploying natural refrigerants and reducing refrigerant leakage. Her international work includes working with UNEP to bring about the phaseout of CFC in developing countries. Of late she has been awarded the accolade of being included on the Daily Telegraph’s Top 50 Women in Engineering’ list. This is all in addition to her work as the well-respected co-owner of the consultancy and training firm, Cool Concerns. “I chose to study engineering at university on the advice of my (male) physics tutor. It seemed more interesting than teaching and more attainable than being an astronaut. My entry into the refrigeration industry in 1977 was purely because I as o ered a graduate trainee position by a compressor manufacturer. I initially worked on the design and development of commercial RAC equipment and then moved into technical sales, a global troubleshooting role.” – Jane Gartshore. CMYKCMYK / .ai / .ai CMYK / .ai

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R E FR I GE RA N TS

Facing up to

THE LOW GWP CHALLENGE A-Gas Managing Director John Ormerod says the industry will need to shape-up over the coming months if it’s going to stay on target for the F-Gas stepdowns.

he months ahead could be challenging for the refrigeration and air conditioning industry in the UK. Although there is no formal stepdown in the supply of virgin refrigerants in 2017, pre-charged equipment is governed by the F-Gas Regulations’ quota system from January 1 2017. All imports of equipment containing refrigerant need to be accounted for under this – estimated to be around 10 to 11 per cent of total refrigerant supply to the mar et. This affects a wide range of products including two key areas, which are the lion’s share of the pre-charged equipment imported into the UK 1) Integral refrigeration cabinets 2) Split air conditioning systems

Get up to speed

Manufacturers need to be up to speed with their paperwork as they now have to buy quota allowances to import precharged equipment but I am confident that the broader market, including the engineer and end-user levels, won’t notice the difference. Counterbalancing, this is the final implementation of the MAC Directive for motor vehicles. All new cars placed on the market in Europe will now have to have a low GWP refrigerant in their air conditioning systems but it’s unlikely that this will have a significant impact on the UK in the short term.

John Ormerod

Reduction steps for the quota of virgin high GWP HFC refrigerants are 37 per cent in 2018 and 55 per cent in 2021 compared to the base year 2015 – and this will be taking place in an industry which is still growing. Up until now, supplies of virgin refrigerant have been fairly plentiful and I believe that it has given a false sense of security that it is going to continue in this way. So far there has been no major shift in behaviour. What there has been is a lot of planning going on and trials of low GWP refrigerants happening but to date we have not seen many major retrofit programmes.

Regulations having a major impact Rude surprises for motorists

Cars with systems containing the new low GWP refrigerant of 150 or less are unlikely to require servicing or topping up for the next three to five years. There will be some lag between the implementation of the MAC Directive and the effect on the aftermarket but ultimately there will be some rude surprises for motorists when it filters through. The new refrigerants are likely to be 10 to 15 times the price of the old gases and this will raise servicing and top-up costs. If you consider what’s going to happen in 2018 and beyond, 2017 is a crucial year for major users of refrigerants. Those who have failed to plan for the coming refrigerant phasedowns must stop sitting on their hands and migrate away from high GWP refrigerants as the years 2018 to 2021 will be tough ones for refrigerant supply.

It looks as if most of these will take shape in the coming months as end users begin to realise that the F-Gas Regulations will have a major impact on their businesses. By this I mean they will be affected by shortages of virgin refrigerants which will lead to a rise in the prices. Supermarkets should now have in place a strategy to move away from R404A. Controlling leaks should also be a top priority – a straightforward mechanism to reduce reliance on high GWP refrigerants which reduces engineer call-outs. I also

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R EF R I G ERA N TS

believe that supermarkets should have an understanding of the resources they will require to make a serious dent on their entire refrigeration estate in terms of retrofits. In many cases large chains have hundreds and maybe thousands of stores that need to be converted to low GWP refrigerants. Time and the number of engineers available is clearly a constraint but when you look at the bigger picture it can only be good news for contractors and sub-contractors who carry out the majority of the maintenance work for the supermarkets. Stores understand that they need to change but there is still some doubt that they have grasped the fact that time is not on their side.

Montreal Protocol

The much-talked about Kigali Amendment to the Montreal Protocol will clearly have huge ramifications in many parts of the globe but the UK and Europe is ahead of the game in setting out a phasedown of HFCs and in some respects it’s up to the rest of the world to catch up. The refrigeration industry is showing how worldwide co-operation can ease environmental concerns. There’s a long way to go but the timetable is in place to ensure a greener planet. As I have highlighted in previous articles, reclaimed refrigerants will continue to grow in importance as the availability of virgin refrigerant shrinks.

A-Gas has invested in an additional separator at our Portbury site near Bristol and this will more than double our reclamation capacity in the UK. Looking ahead, by December 2017 I hope that the refrigeration industry will have had significant success in dealing with the R404A challenge. EPEE has suggested in its Gapometer Project – set up to measure compliance – that supermarkets should have retrofitted 50 per cent of refrigerant packs by this date. This is clearly going to be a tough ask and I suspect that the industry will be behind the phasedown targets by the end of the year. The only way to avoid this is to make a concerted effort in the coming months to catch-up and get back on track.

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R E FR I GE RA N TS

CHEMOURS DELIVERING KEY SUPERMARKET SAVINGS Chemours is helping Waitrose to reduce its carbon footprint and cut energy costs by introducing low Global Warming Potential refrigerant.

upermarket chain Waitrose was loo ing for a ay to signi cantly decrease its carbon footprint across 336 shops ranging from large supermarkets to service station forecourts. In 2010, Waitrose published its Carbon Plan which clearly documented the it’s approach to reducing emissions. The indirect and direct emissions from the refrigeration systems in its shops are a very signi cant contributor ma ing this area a prime target for improvement.

In addition to Waitrose’s internal plans, in January 2015 the European F-Gas regulation (EU 517/2014) came into force, which from 2020 will ban the use of refrigerants with a Global Warming Potential (GWP) of 2500 or more, e.g. R-404A and R-507A, in all new equipment and for service in systems with a charge >40T CO2e (>10.2kg of R-404A). The Chemours Company is supporting Waitrose Supermarkets in its transition from R-404A refrigeration systems to low GWP Opteon™ XP40 refrigerant. By retrofitting the refrigeration systems in one of its stores in Devon from R-404A to Opteon™ XP40, Waitrose gained up to 9% energy savings, providing the business with a significant opportunity to lower its CO2e emissions and help to achieve the targets set out in its Carbon Plan. This project is also the first major commercial roll-out in the UK of HFO Hydro uoro-olefin based blend technology for replacement of R-404A in existing equipment.

Opteon™ XP40 refrigerant

In October 2014, Chemours commercially launched the Opteon™ low GWP

portfolio of refrigerants to help meet increasingly stringent global HFC regulations while maintaining and even improving performance compared to incumbent products.

their compressor selection software. The performance of Opteon™ XP40 is very similar to R404A with a significant reduction in power consumption under a wide range of operating conditions, making it an ideal candidate for retrofitting existing R404A systems. By retrofitting the refrigeration systems in one of its stores in Devon from R404A to Opteon™ XP40, Waitrose gained up to 9% energy savings, providing the business with a significant opportunity to lower its CO2e emissions and help to achieve the targets set out in its Carbon Plan.

Refrigeration system and conversion to Opteon™ XP40 (R-449A)

The LT (low temperature) pack compressors, which are connected to six in-store cabinets and one cold store

Opteon™ XP40 (R449A), the company’s agship low GWP refrigerant, was introduced as an ideal replacement for R404A. Opteon™ XP40 is a HFO based blend with a GWP of just 1397, which is well below the GWP threshold stated in the F-Gas regulation. Major compressor manufacturers have now approved Opteon™ XP40 for use as a R404A replacement and XP40 can be found in

The decision was taken to retrofit a typical Waitrose store in Holsworthy, Devon, from R404A to Opteon™ XP40. The refrigeration system consisted of two high temperature packs and one low temperature pack, all of which were manufactured by Space Cooling Systems in 2004 and all packs use Copeland Scroll compressors. The low temperature pack was connected to six in-store cabinets and one cold store. The high temperature packs were connected to a total of 18 cabinets and three refrigerated counters in the store and three cold rooms for storage.

Operation and energy performance

The energy consumption of the refrigeration systems was measured for two weeks before the retrofit and then for three weeks after the retrofit had been completed. ColdService (part of the EPTA Group was chosen to perform the retrofit and the first retrofit took place overnight in July 2015 and the other two packs retrofitted on consecutive nights, without

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causing any disruption to the trading oor during the store’s opening hours. The Opteon P40 retrofit guidelines were followed and no components or oil changes were required, making the retrofit very fast and straightforward. Analysis of the energy consumption data was performed by Emerson Climate Technologies, Retail Solutions, which revealed that at equivalent ambient temperatures during the monitoring, period, the high temperature systems energy consumption was reduced by . . For the low temperature system, the energy consumption was reduced by 3.0 . For the total refrigeration system, this equates to a reduction in energy consumption of . . Inside the Waitrose store at Holsworthy, Devon

“In October 2014, Chemours commercially launched the Opteon™ low GWP portfolio of refrigerants to help meet increasingly stringent global HFC regulations while maintaining and even improving performance compared to incumbent products.”

Conclusion

Paul Blanch, Senior Manager, Emerson Climate Technologies, Retail Solutions, said “No component changes, no oil changes and similar system operating parameters made the retrofit very straightforward and fast once the R-404A had been recovered. The good cooling performance and lower

energy consumption makes Opteon P40 an ideal retrofit option for R-404A systems.” The reduction in energy consumption and the 4 reduction in the GWP of Opteon P40 compared to R-404A offer a significant opportunity for Waitrose to lower its CO2e emissions and help to achieve the target set out in its Carbon Plan. Danny Ryan, Waitrose Refrigeration Manager, who is leading the overall project, said “Reducing our CO2e emissions is a key target and so retrofitting existing R-404A systems with a lower GWP refrigerant is a key part of our strategy. Opteon P40 has helped achieve this by not only reducing the direct emissions of the refrigerant, but also by reducing the energy consumption of the systems.”

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Stonegrove successfully

REPURPOSES PLANT Leading research bodies agree that refurbishment of buildings has a lower environmental impact than new build. Even so, it is still all too common for consultants and contractors to propose a comparatively straightforward new build project over a complex refurbishment and still parade their ‘green’ credentials.

o, when a major retailer needed more capacity for its frozen products, it was presented with the usual two choices: build a new warehouse from scratch, or repurpose an existing building.

Like all businesses facing these choices, the decision requires careful consideration and understanding of a number of factors. These include capital cost, the location of the warehouse, the availability (together with project time scale), its cost of ownership, and of course its size and current condition. These are the choices that Stonegrove Refrigeration helped their customer, Kuehne + Nagel the (global freight and logistics company) whose client is a major UK retailer, consider and then make. Stonegrove’s team came up with a unique design for Kuehne + Nagel to keep

costs as low as possible while providing an extremely efficient industrial refrigeration solution. In fact, the solution was over 30 more cost effective for the client than building a new cold store.

Repurposing buildings

Building a new distribution depot was going to be expensive, and with land in the Reading (Berkshire) area not readily available, it was also going to be time consuming both in terms of locating suitable land and construction programme. So instead of building from new, Kuehne + Nagel decided they wanted to repurpose an existing old distribution depot that contained cold, chilled, and ambient storage areas. This involved expanding the cold storage area into the other sections of the building which had previously been chilled and ambient.

The concept sounds simple, but was certainly not straightforward. It required a huge amount of forward thinking and planning. Repurposing the building may have been attractive on paper but presented the project team with a number of issues to resolve. The store needed a new heater mat throughout the new areas for oor protection. Its previous under oor heating only covered the freezer area. This meant digging out 7,972m3 of concrete, and then laying the new heatermat and oor. This had to be carried out as quickly as possible to avoid any disruption to Kuehne + Nagel ’s client.

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Recycling plant

Another efficiency made by Stonegrove was reusing existing equipment already on site. For example, Stonegrove reused four coolers amd condenser coolers, and two existing GEA Grasso compressor packs already 1 years old . Even a set of existing booster fans were put to good use in the roof void, to aid circulation.

RDM controls collaboration

An important part of the repurposed cold store was its unique control system which Stonegrove Refrigeration designed closely with RDM. The software was written by Stonegrove’s commissioning engineers who also act as service engineers so they were confident it is designed to control in a practical, functional and optimal manner it was not left to a software engineer with little refrigeration knowledge. All the 3rd party controls Grasso and IGD leak Detection are integrated within the RDM control system via Modbus, so it looks and acts from the outside like a single system. This makes remote fault finding easier and also provides a single source data acquisition and report logging for the service department’s KPIs and client’s compliance records The leak detection in the ceiling void at each valve station is supported by ducted positive ventilation. This is designed to remove any ammonia refrigerant from the roof void in the event of leakage from the refrigeration system.

Fail safe features

It goes without saying that the value of the produce contained within the cold store runs into millions, and if one were to add disruption costs if the store could not operate it is easy to understand why it is vital that measures need to be considered and taken to reduce the risk. With this very firmly in mind, Stonegrove were requested to design in a number of fail-safe features in addition to the usual standby plant capacity requested for such depots. For example, there is a 10,000 litre water storage tank, complete with rainwater harvesting. This supplies the evaporative condensers which enables the system to continue to operate for 24 hours should there be a mains water

failure something not unheard of in the geographical area . Also, If the site electrical power goes down, there is sufficient generator back up to enable the plant to run at full load indefinitely.

Less defrosts

Another part of Stonegrove Refrigeration’s unique cold store solution is the loading bay’ section. It is not temperature controlled but has a dehumidification system dehumidifying the air in the loading bay. The big advantage of the new loading bay for the client is the frost-free cold store. This lends itself to far fewer defrosts for the store evaporators than would typically be expected for a store of this nature.

Final piece of the jigsaw

Perhaps the greatest challenge of all was the project time scale. Kuehne Nagel needed the complete project completed extremely quickly. The project started in October 2015 and with temperature reduction commencing in March 201 . Such a tight programme could not be achieved through a new build, and was extremely challenging to say the least even for a repurpose.

Repurposing pays off

Kuehne Nagel has a unique cold store in the UK, and not solely because of its high quality controls, dehumidified loading bay, under oor heating, leak detection and new compressors. This uniqueness stems from how Stonegrove Refrigeration managed to repurpose a building for its client, leading to the expansion of their cold store capacity in such a short time. The cost of carrying out these works was dramatically lower than starting from new, due in no small part to Stonegrove Refrigeration’s creative reusing and adaption of much of the existing plant. Repurposing and recycling buildings and plant is an approach which more clients should consider if they want to increase their cold store capacity quickly without hitting their bank accounts too heavily and removing the environmental impact of new build.

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GREEN & CLEAN J & E Hall helps cut energy costs with beer cooler.

The Bell Inn at Selsley in Gloucestershire

J & E Hall ambient beer cooler is helping a traditional Cotswold village pub to cut its running costs in a green and clean way. The cooler has been installed at the Bell Inn in picturesque Selsley, two miles from Stroud in Gloucestershire. The Bell Inn is a 16th Century Grade II listed hostelry serving real ale, locallysourced food and seasonal game.

Owner Mark Payne said “Energy costs are astronomical in any business. When installing an ambient beer cooler was suggested to me it seemed to tick all the boxes. It was like a blinding light. It was such a simple idea but it made such common sense – I had to look at it.”

Cask ales in prime condition

The unit – installed in the compact aboveground cellar – helps to ensure that a selection of up to four cask ales, including the locally-brewed Stroud Organic Ale and Uley Bitter, are kept in prime condition at temperatures between 10 and 12 C. Lager, cider, Guinness and bottled beers are also kept. “When we had the unit installed it was the hottest day of the year

but once the cooler weather arrived the unit became more active,” said Mark. He bought the Bell Inn in July 2015 with fiancee and business partner Sarah Watts. “We felt we had outgrown it and we decided to look for a new challenge” said Mark Energy costs are a major issue for the pub and restaurant trade and it is estimated that up to a quarter of a pub’s energy bill is accounted for by its refrigeration requirements. Publicans, breweries and restaurant managers are always looking for more cost-effective ways to cool their cellars. The J & E Hall ambient beer cooler contains no refrigerants and this allows it to employ a greener method of cooling. This in turn helps to reduce servicing costs and also extends the life of the main cellar cooling system.

Only pub in the village…

The cellar where the J & E Hall ambient beer cooler has been installed

The Bell Inn is a distinctive Cotswold Stone building which was renovated in late 2013. “We cater for local drinkers in one area but it has also become a very food-driven pub and we can seat about 0 people in the restaurant. We are in a lovely little Cotswold village which is very hilly. We are the only pub in the village which is good from a trading point of view but it puts a responsibility on us to keep it going and keep it vibrant for everyone.”

The installation was carried out by TK Refrigeration, which operates within a 50-mile radius of its Gloucester base and employs 10 people. The unit was supplied by FSW of Gloucester. TK Refrigeration’s Managing Director Tim Rogers, who is celebrating 40 years in the industry, said “We suggested an ambient beer cooler to Mark at The Bell Inn and he jumped at the idea straight away. He was absolutely thrilled with it. The fact it is an above-ground cellar simplified the task. We installed it on an outside wall and it operates in conjunction with the existing cellar cooling system. “The J & E Hall ambient beer cooler is compatible with any existing system. It’s a reasonably simple job to install and there is always a way of wiring into a control circuit. It’s a new product but it is one that I trust. I am not somebody that would fit something I didn’t believe in. We are also keen to help our customers capitalise on as much energy saving as possible. “Maintenance to the ambient beer cooler is minimal. It has an internal filter which has to be changed every six months, or annually, depending on the location. We are getting a good vote of confidence from people we are talking to about the beer coolers and from people who are installing them.”

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ULTIMATE COMFORT | ULTIMATE EFFICIENCY

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16/01/2017 12:37:45

A I R CO N D I T I O N I N G

HOW CAN WE INSPIRE THE

NEXT GENERATION OF ENGINEERS? The UK is experiencing a substantial shortage of engineers, with 257,000 new vacancies expected in six years Children are the future, yet 72% of people believe that not enough is being done to encourage kids to study STEM subjects To help spark a change, Neutronic Technologies have produced a unique report examining what exactly is holding the industry back

esearch conducted by industrial components and engineering services Neutronic Technologies has revealed that more than one in seven people believe that not enough is currently being done to encourage children to study S sub ects.

“

With the UK facing such a drastic shortage of talent, and the urgent problems facing the modern world, the need for industry-wide change has never been more apparent. To help inspire the change that is needed, Neutronic Technologies has produced its own report to thoroughly examine the subject and highlight what needs to be done. Neil Gallant, Managing Director of Neutronic Technologies, hopes the report will do more to inspire changes to be made: “The shortage of graduates seeking out careers in engineering is a huge concern

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for everyone in the industry. The world’s demand for talented engineers is growing. If we are to tackle the problems we face, such as global warming and using less energy, we need to increase the supply to meet the demand. But to do that we need to show children that exciting careers can be found here.”

Advice from engineers, for future engineers…

Getting more children to take up STEM subjects isn’t something that can happen overnight. What we need is a gradual change inside the industry and out, steered by those who are already working in it and those who have the biggest in uence on children’s lives.

THE WORLD’S DEMAND FOR TALENTED ENGINEERS IS GROWING. IF WE ARE TO TACKLE THE PROBLEMS WE FACE, SUCH AS GLOBAL WARMING AND USING LESS ENERGY, WE NEED TO INCREASE THE SUPPLY TO MEET THE DEMAND” CMYKCMYK / .ai / .ai CMYK / .ai

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AI R CONDI TI O N I N G

Entitled ‘Inspiring a Generation: How can we get more kids into engineering?’, the report takes an in-depth look at the condition of the engineering industry. It explores what is holding us back, and calls on expert opinion to discover exactly what we can do to overcome these issues.

Do you know what an engineer does? When you hear the word ‘engineer’, what do you think of? It will likely be someone who fixes a broken boiler or installs your broadband. But the truth is that engineering touches our lives on a daily basis, and there are dozens of disciplines out there. Only 19% of 12 to 16 year olds actually know what engineers do a figure we need to change drastically. Elena Rodriguez-Falcon, Professor of Enterprise and Engineering Education at the University of Sheffield, believes that this misconception is a huge in uencing factor

“In the UK, the general public don’t seem to be aware that engineers are the people who have invented everything they use from their mobile phones to their food processors, their medicines and their cosmetics. Everything you interact with or use from the moment you wake up until you go back to sleep has had many engineers involved in making it so.”

Educating the educators

Teachers have a huge in uence on children. After all, they do spend up to eight hours a day with them. So if teachers don’t have a complete grasp on engineering and the potential career opportunities, how are they supposed to encourage their students to choose that path? Jess Penny, General Manager of Sales at Penny Hydraulics, believes that a way to solve this is through more open days and field trips, but for teachers

“STEM-promoting initiatives between schools and businesses which focus on the current perception of STEM subjects and careers, with students and their teachers, are vital. Teacher placement schemes in business, business-led workshops or open days for teachers can also help teaching staff better understand the STEM careers landscape and advice students appropriately. By supporting teachers, businesses can help them have the confidence to teach STEM-related topics in creative and inspiring ways, and to promote STEM as a career path to their students.”

For more information on the full report, please contact Jakiya Rahman on 01204 977001 or Jakiya@bringdigital.co.uk

About Neutronic Technologies Neutronic Technologies is one of the leading suppliers of electric motors, pumps and motor gearboxes in the UK. In addition to providing high-quality, precision parts, they also have a team of expert engineers on board who run the 24/7 repair centre.

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Refrigeration & Air Conditioning Suppliers Better by degrees o www.hrponline.co.uk

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D ATA C E N T R E C O O L I N G

RACKING UP BIG ENERGY SAVINGS Data centre cooling comes at a cost, and appears at odds with the environmental and energy-saving aims of a business. John Grenville, Managing Director of ECEX, explains how the cooling sector can help maintain the delicate balance between operational effectiveness and energy efficiency.

Filters must be kept clean and in good working order

ECEX Air Intake Screens

nformation technology is the fastest moving sector served by the air conditioning and refrigeration industry, which places signi cant pressures on esigners and constructors of close control facilities such as data centres.

Therefore, preventing potentially crippling downtime in data centres has moved to the top of the agenda for many hard-pressed HVAC professionals as increasingly powerful computer servers throw out more heat, posing bigger cooling challenges. With the power of computer servers continuing to grow at an exponential

rate, the development of more sophisticated equipment to keep this technology cool is key. Indeed, arguably the biggest constraint on the growth of computer power in business is not the technology itself, rather it is the cooling for cutting-edge IT developments such as blade servers. Blade servers have emerged as the biggest single technological issue in close control applications like data centres. The increase in this sort of high-tech, missioncritical equipment – and the fact that it tends to operate 24 hours a day, seven days a week – places enormous pressure on close control air conditioning suppliers

to offer ever higher cooling capacities, better reliability and greater efficiencies. Suppliers have responded to this challenge by providing a number of solutions, some based on conventional close control units and others on brand new technology to enable high-density computer facilities to be kept at the correct temperatures in an energy efficient way. However, it is not only manufacturers that must grapple with increasing IT demands. Contractors and consultants also face a real challenge – how to design and build cooling processes that will guarantee the performance and reliability of missioncritical computers while, at the same time, balancing dramatic increases in cooling requirements with energy efficiency.

Cooling conundrums

There are essentially three cooling media to cool the IT equipment that produces high heat loads – air, water, or carbon dioxide (CO2). The key to specifying the right one is to keep it simple and offer best value. So the cooling medium needs to be matched to the equipment loads and rack density.

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Air has long been the preferred option for engineers, but it is limited in terms of cooling output to around 7kW per cabinet depending on the layout, space constraints and air ow strategy. Water is more efficient at cooling computers than air, however, water is a conductor of electricity and IT operators can be deterred from using a solution that involves a water electronics mix. CO2 is a significant greenhouse gas and a big contributor to global warming. Conversely, using CO2 as cooling for computer systems might, ironically, save energy and therefore reduce the carbon emissions that increase the likelihood of global warming. The best way to strike a balance between the need to cater for higher heat loads and energy efficiency is to take a holistic approach to the problem. People tend only to talk about getting the heat from the servers out of the room, but it is also important to go a step further and consider how to get the heat out of the building too. If the data centre cooling is a chilled water system, for example, it might be appropriate to specify a free cooling chiller. This means that, on days when there is a low ambient temperature, the cooling can be provided by a direct airto-water exchange without running any energy consuming compressors. It doesn’t matter if you have the most efficient close control unit available if you attach it to an antiquated chiller. Therefore, it is absolutely essential to consider external cooling technology as part of the energy and reliability equation.

study, for example, revealed that when condenser ow rate is reduced by 20 in mechanical and absorption chillers, full load energy usage is increased by 3 . Best practices in building maintenance and operations can reduce HVAC usage Maintaining the operational/energy cost balance Engineers are called upon to juggle lifecycle and energy costs as they are faced with an array of computer servers that are changed and rearranged almost continually. To make matters worse, ever greater computing power is being squeezed into ever smaller spaces. Up to 45% of the energy cost of a data centre can relate to HVAC, with 3% of the UK’s total electrical energy usage estimated to be attributable to data centres. Anything that can be done to mitigate the voracious appetite of data centre cooling for power and energy has to be a good thing. Working with AMEY, ECEX recently conducted a controlled, long-term field trial to accurately measure the energy saving benefits of using ECEX Air Intake Screens, an external pre-filtration system that traps airborne debris before it enters a building. At Westminster City, AHUs were monitored, first without ECEX Air Intake Screens and then with them. Over a period of 31 days, the addition of Air Intake Screens resulted in a power consumption fall of almost 5% and a reduction in CO2 emissions of 296.33kg. This meant the ECEX Air Intake Screen payback was just 13 months on energy alone. Air Intake Screens also reduced maintenance because the AHUs didn’t have to work so hard. This means filters needed replacing less frequently, further reducing costs and potentially pushing the return on investment of ECEX Air Intake Screen installation to less than four months. In buildings with several AHUs, cooling towers, or other HVAC equipment that takes in air from outside, energy, money and carbon savings stack up favourably.

by 10 to 20 , with poor maintenance increasing energy usage by 30 to 0 . By stopping airborne particulates from entering a system in the first place, cooling is kept constant, risk of breakdown is reduced and maintenance requirements are cut. This can be achieved by external, pre-filtration media. A solution that can improve the operational efficiency of existing cooling equipment. Examples such as ECE Air Intake Screens offer payback through reduced energy consumption in a very short timeframe a solution which will be welcome to building managers facing high cooling bills – a large proportion of a data centre’s annual budget, particularly during periods of raised ambient temperatures in the summer. Reduced energy consumption also equates to reduced strain on chillers, condensers, AHUs and cooling towers, cutting the risk of breakdown and downtime. Whichever close control air conditioning system is specified, it is fundamentally important to follow one cardinal rule – don’t take chances. Ensure the system maintains the integrity and resilience of both the computers and the data centre. There can, after all, be no compromise in terms of the availability of this missioncritical equipment; if it fails because the cooling is inadequate or unreliable then people’s livelihoods are on the line. www.airintakescreens.co.uk External cooling technology is part of the energy and reliability equation

Filtration is key

Cooling towers and air handling units AHUs draw in air from the outside which is potentially full of debris including dust, leaves and pollen, all of which can clog system filters. To ensure these outdoor units work to their optimum capacity, filters must be kept clean and in good working order – a simple step that can offer big savings on fuel bills. This is essentially because lower air ow will result in a unit working harder to meet its cooling targets, leading to higher energy consumption and increasing the likelihood of breakdown. One in uential

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DEMYSTIFYING

DATA CENTRE COOLING With virtually every aspect of the commercial world reliant on information being transported and stored electronically, server rooms and data centres have fast become the beating heart of global communications. Here Richard Metcalfe, Sales Director at temperature control specialists ICS Cool Energy, discusses the varying ways heating and cooling engineers can get to grips with data centre cooling, and help keep their customers’ systems running in both a cost and energy-efficient way. Richard Metcalfe

here’s no escaping the fact that data centres form a critical part of business infrastructure for a wide variety of market sectors. Ensuring they remain operational no matter what is a major challenge, and one that is quite different to those usually faced by temperature control contractors. Many facilities and IT managers often fall into the trap of striving for continual performance and paying over and above what they need to for energy, so it is the contractor’s responsibility to ensure they have the most appropriate cooling system in place which won’t cost the earth. Given the volume of electrical equipment often housed in data centres and server rooms, combined with the heat they generate and the tendency for data centres to be remotely located in the depths of a building in confined and secure spaces, the biggest performance-critical application that must be tackled is cooling. However, delivering cooling that will provide the optimum working temperature required for data centres – between 21-25°C – regardless of external seasonal temperature changes, can come at a huge cost to the end user if energy consumption is not closely monitored, given the volume of cooling needed.

Going back to basics

First and foremost, it is important take a step back from the installation and

gauge a few key factors that will ultimately impact the cooling system used. First, where is the data centre located – is it underground, and if so, how far? Next, how big is the available space – is it a new build project where dedicated space for a cooling system can be incorporated in the design stage, or will it be a retrofit or renovation project where space is limited? Finally, what existing cooling system is the building, and therefore the data centre, connected to? All these factors must be considered before commissioning a system.

Making the right choice

Given the high energy consumption often associated with data centre cooling, getting the cooling system spot on during the specification and installation stage can save the end-user enormous amounts of money in the long run. Instead of straightaway choosing a mechanical chiller-based cooling system, I would recommend considering a solution which incorporates ‘free cooling’. Free cooling is especially effective in the UK given the cooler environment, as the technology works by using lower ambient air temperatures to chill the process water, instead of solely relying on mechanical cooling from a chiller. There are three types of free cooling solution that would benefit a data centre, however that decision must take into account the previously discussed factors. The first would be to use an air handling

unit. This would represent a cost-effective solution if the overall building uses a central air handling plant. The air handling unit effectively takes air from outside the building, reduces the temperature to the level required, and delivers the cool air directly to the data centre. If the external air temperature is below 12 C – as is often the case in the UK – then the air handling unit itself effectively becomes a free cooling system, as any mechanical cooling required to reduce the air temperature can be de-energised as it is simply not needed. A second option would be to invest in an integrated system which uses both a free cooling coil and a chiller unit to provide the cooling. This option would prove useful to those installations where available footprint to support cooling systems is limited, such as when data centres are installed or located within existing buildings rather than new builds. Universities are a classic example, where many older buildings are often repurposed to accommodate growing electrical and digital infrastructure across campuses. With an integrated system, end-users are able to achieve the energy efficiency benefits of free cooling, supported by a chiller when the external air temperature becomes too warm for the free cooling coil to deliver the level required. However, this does mean that mechanical cooling (i.e the chiller) will be needed at times, therefore the overall

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“DATA CENTRES ARE AT THE HEART OF A BUSINESS AND MUST BE KEPT RUNNING AT ALL COSTS”

efficiency rating is not as high as if a fully independent free cooling coil were to be used. A fully independent free cooling coil is therefore undoubtedly the most energy efficient way of achieving the optimum working environment for a data centre. However, the one drawback which may prevent it being installed in some circumstances is the size. An independent free cooling coil is a large piece of plant and as such requires a significant amount of oor space to be installed. If a data centre housing is being designed from the outset, it will definitely pay to accommodate this extra oor space in the long run during the design stage, given the potential energy savings on offer. Yet it will also unfortunately rule it out as a potential cooling solution for those data centre installations where space is at a premium.

Going above and beyond for the end-user

Where contractors can really get ahead of the competition and ensure they

deliver the most appropriate solution possible for their customers is to undertake a provisional energy analysis programme prior to installation. This involves comparing existing energy consumption where applicable with projected consumption of the three varying cooling solutions on offer. The best way to accurately undertake an energy analysis program is to work closely with a specialist temperature control solutions manufacturer – such as ICS Cool Energy – as they will be able to provide an extra level of knowledge and insight to ensure that the most appropriate system is chosen for the customer.

To really achieve the best combination of temperature control, efficiency, security and reliability, an all-encompassing approach – inclusive of the contractor, manufacturer and end-user – is the best course of action. Failing to take into account all the risk factors could expose businesses to dangerous downtime, or even system failure. Invest in a trusted temperature control partner, such as ICS Cool Energy, and you’ll be able to help your customers reap the long-term rewards of successful data centre management.

Final thoughts

Ultimately, a business’s data centre is the heart of its operations and must be kept running at all costs. Cooling is absolutely critical to maintaining the optimum operational environment and avoiding overheating. However, overly focusing on achieving the correct temperature can leave businesses exposed to unnecessarily high running costs.

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H E AT P U M P S

Kiln Cottage

UNRAVELLING OPEN LOOP WATER SYSTEMS Water source heat pump systems are becoming increasingly popular, but one lesser known water source application is open loop systems.

pen loop collectors take the form of two separate straight pipe collectors. These designs abstract an lter the ater through the heat pump. his ater is then discharged either back to the water source or another ischarge area. Here is how one self-builder found a cost-effective heating solution which would have otherwise owed right past his door, thanks to an open loop system and a stream at the bottom of his garden.

Andrew scott was determined that his new detached three-bed timber frame home in St Austell, Cornwall, would utilise renewable technology to benefit from the reduced running costs and income available through the Domestic Renewable Heat Incentive (RHI). After researching ground source heat pumps, Mr Scott discovered Kensa Heat Pumps, who happen to be based just a few

The stream flow is partially diverted into a well

The chamber feeds water from the well to the plate heat exchanger

miles down the road from his project. Mr Scott was aware that ground source heat pumps can extract heat from water sources as well as the ground, and as he had a stream on his land, he approached Kensa to see if this could act as his free heat source. Mr Scott said: “As the home owner, designer and project manager, I knew what I wanted to achieve. I researched the internet and found the Kensa information very helpful, and we like to support local businesses whenever possible. “Heat pump systems can be a bit daunting at first, but I found an installer with the required experience who was willing to work with me on the design to meet our needs, and Kensa helped by providing any information requested.” Mr Scott’s installer, Ecodragon South West, utilised Kensa’s MCS Umbrella service to deliver an RHI eligible scheme that makes use of the stream water as

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H E AT P U M P S

With minimal space in the boiler room the buffer tank was located on a unistrut frame above the heat pump

The plate heat exchanger feeds heat from the well to the ground source heat pump in the house

the primary source of heat for his Kensa ground source heat pump. Using an open loop design the stream is partially diverted into a well, where the liquid is then passed through a plate heat exchanger, which extracts the heat from the water and feeds this heat into the ground source heat pump. The cold stream water is then discharged back into the stream. Kensa’s Technical Sales Support & Commissioning Engineer, Darren Veal, provides specialist insight into the technical steps taken to use a slow owing stream as a heat source for a Kensa heat pump: “A simple measurement of ow was taken from the stream which proved to be enough to deliver the required heat load of the proposed new build property. A chamber was constructed two feet away from the stream from two concrete rings which were sunk to approximately three feet below the water level. This created a well to which a ow of water from the stream could be diverted. The well cover was at the elevated bank level, making the chamber an overall depth of approximately two metres. The ow from the stream was diverted into the well by creating a small concrete channel running at approximately 45 degrees to the river bank and facing upstream. At the stream end, fins were fitted to the opening to limit any

debris entering the chamber of water. A return ow pipe was fitted to the well on the downstream side to allow the stream water to continue back into the stream and carry on its natural course. Efforts were taken to minimise energy consumption in pumping the stream water with an efficiently selected pump, and use of gravity return to assist the pumping efficiency. A ow-switch detects heat pump ow and controls the primary stream water pump automatically.” As the new build was progressing, two 32mm exible pipes were taken from the well into the existing garage, along with a small duct for a cable. Two more pipes and cable duct were then taken back in to the main house where the heat pump was to be located. The house was eventually built, and the Kensa 6kW Single Compact ground source heat pump arrived on site. In the garage a plate heat exchanger was fitted to the two pipes in from the well and the two back out to the heat pump. A small submersible pump was fitted in the well and located approximately one foot from the bottom to make sure no sand or silt would be sucked into the heat exchanger. The heat pump was fitted and the pipe work between the heat pump and plate heat exchanger was filled and tested with water and antifreeze. The heating system and hot water cylinder was installed and ready to go. The electrician made the final connections

to the heat pump and submersible pump making sure that the submersible pump was switched with the ground side pump in the heat pump. This means that there will always be ow available across the plate heat exchanger before the delayed start of the compressor. The unit was switched on and a call for heat was activated. The ground and submersible pumps came on together and the compressor followed. The system has now been working successfully for a year and the end user is extremely satisfied. Once every six months the end user blocks the ow into the concrete channel, lifts the lid on the well and drops in a small submersible drainage pump capable of removing any silt that may have settled in the bottom of the well. This usually runs for ten minutes, following which, the well can be inspected and cleaned if required. Also, the plate heat exchanger can be reverse ushed with clean water by disconnecting the well pump and connecting a garden hose to a valve on the heat exchanger outlet.” Mr Scott said: “We expect to be meeting in excess of 80% of our energy needs with our ground source heat pump and solar PV system. Kensa have been responsive and very helpful at every step of the process, including the application for the RHI. As an engineer it was pleasing to locate a company who had technical staff and support I could discuss my project with directly.”

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H E AT P U M P S

WATER WAY

TO HEAT A HOUSE Ground source installation uses lake to generate home’s heating and hot water.

enewable heating experts inn eotherm have installe an innovative groun source heat pump system at a etache house in he roa s orfol . The

system harvests energy from the homeowner’s lake for heating and hot water. With a half-acre lake in the garden, the new heating system for the five-bedroom house near North Walsham utilises the property’s natural assets and negates the need for fossil fuels. “My existing oil boiler needed replacing,” explains homeowner John Sawyer. “With no gas in the area, I was looking for a sustainable, cost-effective solution. I did a lot of research into various heating options and found ground source was ideal, particularly as I could use the lake in my garden to house the ground loop.”

“I wanted a system which could easily meet our current demands but also had the capability to cope with any future extensions to the property,” explains John. “The heat pump system is ideal for our requirements – it’s both sustainable and cost effective and the house is always warm. We’ve had the wood burner alight once since the ground source system was installed – and that was just for aesthetics as we had people coming over! Finn Geotherm provided us with fantastic service and were extremely knowledgeable, which was very reassuring, especially with a more bespoke project such as ours which used the lake.”

Finn Geotherm specified and installed a Lämpöässä Vmi 14 ground source heat pump connected to two 250 metre sections of ground loop arranged in slinky coils and submerged in the lake, which is 50 metres from the house. A 480 litre Lämpöässä TV thermal store supports the central heating, with the ability to supply 240 litres of domestic hot water in one delivery. The system also has the

capability to produce an additional 125 litres of hot water if needed – for example, when guests are staying – which is stored in an unvented cylinder. In everyday circumstances when the extra hot water is not needed, the unvented cylinder is isolated from the main system to conserve energy. With homeowner John often working from home, the system is ideal as it ensures the house is warm throughout day. In addition, as an IT professional, having the heat pump linked wirelessly to John’s router is another benefit, giving him control over his heating from anywhere in the world. The installation is benefitting from the government’s seven-year domestic Renewable Heat Incentive RHI scheme, a government financial incentive which rewards people for opting for renewable heating.

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Invisible comfort

The city secret VRV IV heat pumps for indoor installation The VRV IV i-series is a truly unique solution for installations where you want a completely invisible solution. The â&#x20AC;&#x2DC;outdoorâ&#x20AC;&#x2122; unit is split into a separate compressor and heat exchanger unit for indoor installation, significantly reducing planning requirements. So your customers can enjoy all the power of a fully invisible VRV system now available in 5HP and 8HP.

Find out more at www.daikin.co.uk/citysecret

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Quadrant Systems Ltd.

VR F

FUJITSU VRF TAKES TO THE SKIES

AT BURGESS HILL! Mark Derriman – Fujitsu VRF Business Development Manager – tells us about a recent Fujitsu VRF VR II Heat Recovery installation by H & D Air Conditioning at Quadrant Systems, helping to keep the flight simulation company flying high.

Mark Derriman, VRF Business Development Manager

Quadrant’s Training Centre at Burgess Keeping a cool head Hill is home to full ight simulators and all (and warm feet) necessary training school facilities. User When undertaking such specialist work, it is experience is a primary focus and crews important to keep a cool head. Fortunately are met following each training session Quadrant turned to H&D Air Conditioning, to ensure that the user expectations also conveniently located in Burgess Hill, for are addressed. their specialist cooling and heating needs. Quadrant’s engineering team are H & D Air Conditioning specialises in able to offer design services covering all providing energy efficient air conditioning, Flight simulation experts Quadrant engineering disciplines including systems, refrigeration and climate control services Systems Limited has operated from SIMULATORS PRODUCTS software, electrical and mechanical to all commercial and residential properties their purpose-built facility at Burgess Hill design. They have assembled a team of throughout a thecost South East. Fromsuite bespoke since its formation in 1994. Quadrant is The Training Centre at Burgess Hill offers full Quadrant has developed effective of specialist engineers that can implement design and installations to after-sales care active across the core areas of the Flight Simulation Flight Training and incorporates all the proprietary technology products, aimed at updates on any simulator from any era, and maintenance, they have an excellent Simulation Industry serving a diverse necessary training school facility keeping up-to-date. both civilflight and simulators reputation for providing an inclusive service. and worldwide customer base both withhire with expertise extending to military programmes including design The team at H & D is headed up by the in-house Training Centre and the requirements. support for simulator centres at a number director Tony Johanson. The family Design, Engineering, Maintenance and READ MORE business originally started as Home & Dry of RAF bases. Relocation teams.

nyone fortunate enough to have been in a ight simulator will know what a cool experience that is. As well as being used for ‘fun’ experience days though ight simulators also have a more serious and vital role in training for both civil and military crews.

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V R F

in 1983, “so you can see how we’ve got the H & D in our company name, ”says Tony. Tony’s father started Home & Dry by selling dehumidifiers and port air conditioners. As the demand for air conditioning grew, so did their business and expertise. They are now proud to be specialists in their field. “We haven’t forgotten our roots and still sell a wide range of quality dehumidifiers today,” added Tony.

Feet firmly on the ground

Quadrant may help it’s clients reach for the skies but when it comes to its own commercial decisions; it’s feet are firmly planted on the ground. uadrant’s brief for the latest project was that the equipment was cost effective, easy to maintain and provide excellent return on investment (ROI). Quadrant has been a client of H & D since 1995 and the new installation was part of a necessary upgrade of equipment serving the East West perimeter offices using Fujitsu’s energy efficient VR II Heat recovery VRF system with Compact Cassettes, which was chosen in preference to others because of its superior energy efficiency and cost. Another factor was the superior support from Fujitsu’s team which enables H&D to provide a service to Quadrant that it is rightly proud of: exceptional level of customer care and speedy turnaround time without ever compromising on quality. In turn, for Quadrant, ensuring a comfortable environment for their workforce and visitors is paramount. The new Fujitsu install enables them to improve their working environment and productivity whilst saving them money. Both Quadrant and D&H were especially pleased with the Fujitsu compact cassettes that sit smoothly in the ceiling, so they are

almost invisible. With 4-way air distribution configured to suit the room , and turbo fan technology which cools (or heats) the whole room quickly and efficiently, it is easy to feel the benefit of them.

For details contact: fujitsu-general.com/uk mark.derriman@fgac.fujitsu-general.com

Take control

We may never actually get to jump into the captain’s seat of an Airbus A320, or Boeing 737-300 ‘Classic’ Level C, but we may take control of Fujitsu’s exceptional product range and steer the modern energy efficient systems to a safe and effective landing, as did H &D Air Conditioning.

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16/01/2017 12:32

CAS E ST U DY

PIPE CENTER SHOWCASES B LOGISTICS AT T As the UK construction industry moves towards evergreater integration of Building Information Modelling (BIM) in major projects, one highly prestigious development, currently underway, offers a fine case study of how the effective use of BIM and well-integrated partnership working and information sharing can benefit all parties, and deliver top-quality outcomes. Background

Triangle, in Cambridge, will be a new international headquarters building for Cambridge Assessment, the University of Cambridge’s international examinations group. The project received planning approval in September 2014, and contractors began work in the summer of 2015. Triangle is being built on a brownfield site previously occupied by Cambridge University Press, and with the previous buildings now demolished, work has begun on the replacement. Triangle will be the global headquarters for the examinations group and the site will ultimately house up to 3,000 employees. The commitment is a top quality, sustainable building that will use cutting-edge techniques and new technologies, such as chilled beams and modular installations fitting seamlessly into the existing neighbourhood. It also requires the creation of a new landmark; a 39.1 metre tower will be highly visible to all who approach Cambridge from the south. Accommodation will include office space, catering areas, archive facilities, meeting rooms and outdoor spaces for both work and relaxation. In late 2015 Cambridge Assessment awarded the £120 million contract to design and build the Triangle to Bouygues UK, the British subsidiary of Bouygues Construction, and the use of BIM and associated best practice has been key to the development from the beginning. As Brian Brewis, M &E Manager, Bouygues UK explains: “When used to best advantage, BIM is every bit as much about the modelling and integration of optimal

construction process and logistics, as it about modelling the building itself. We are delighted at the enthusiasm for BIM applications that has been shown by our partners on this project, and together we have been realising the benefits of BIM best practice, such as optimised logistics, warehousing and delivery schedules, from the outset. We expect this to make a substantial contribution to the Triangle, which we hope and expect will become an iconic building within an iconic city.”

Working together

Newmarket-based Allied Mechanical Services Limited are supporting Bouygues UK in delivering MEP services for the Triangle contract, and true to BIM principles, the two companies have worked closely together, sharing specifications and other construction information. As a result, Allied turned to Pipe Center (a subsidiary of Wolseley UK, one of the UK’s leading distributors) for further input.

Pipe Center have added huge value to the supply chain. This is largely because, as subsidiaries of an industry-leading distributor, they have productive relationships with a range of manufacturers, outstanding logistical provision and a comprehensive network of outlets across the UK. For the Triangle project, this is particularly important, because in accordance with BIM best practice, some elements are being prefabricated away from the site, then stored locally prior to installation. This allows the contractors to have all elements ready and immediately accessible, at precisely the time they are needed. By liaising with staff at Pipe Center’s Cambridge branch, Allied has been able to take advantage of the company’s logistical capabilities and advantageous relationships with manufacturers. These have allowed Allied to purchase bespoke components, manufactured away from the site prior to use, while the logistical capability and network of Pipe Center and

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CAS E ST UDY

S BEST PRACTICE T THE TRIANGLE

company

Climate Center outlets has ensured that the resulting modular components are delivered locally, on time, every time.

Outsourcing the piping pre -fabrication brings several advantages. One is access to innovative tools, processes and materials that are constantly evolving to increase efficiencies – this means that pipes can be made to precise, bespoke specifications in a more cost-efficient way than would be possible on site, and which yields a top quality product. Savings are also made in terms of waste, because there are no off-cuts or excess materials to deal with. For customers purchasing this service through Pipe Center, storage facilities are included, which means that customers do not have the burden of providing oor space or other logistical costs. They are also protected from the threats of theft and vandalism that can occur when items are kept on-site. Additionally, the project is being delivered with the use of lightweight duct work and pre-installed pipework which bring efficiencies to the programme, and is the first time that this is being used on a project in the UK. The collaboration also included a prefabricated plant room which has been a joint venture between Bouygues UK, Allied and the Pipe Center. This approach has led to efficiencies in the programme and adding value to the overall project. As Liam Connelly, Regional Sales Director for Pipe Center, explains “The fact that Pipe Center is part of a multinational industry-leading company and operates through many outlets in the UK, means that parts can be transported and stored close to almost any other UK location. As we have seen, this has been a key element in the efficiency of process at the Triangle, because the storage of

Pipe Center Price Guide

Advantages of best practice logistics

components off site but nearby, not only removes the cost of on-site storage, but also the time and expense usually involved in bringing the components to site at short notice.”

Bringing it all together

parties to optimise logistics and design. Pipe Center really contributed here, particularly with regards to the supply chain, because we had a local branch in Cambridge that gave us a gateway into their wide range of services, while the local staff could bring everything together and always made sure they were competitive and delivered on time. This aspect of the project neatly shows how BIM, when it’s comprehensively applied, can save time, costs, wastage and effort for all concerned, and it’s an approach we are keen to apply in our future projects.” Work on the Triangle is currently in progress, with first stage occupation scheduled for 2018. Further information is available on the project website http://thetrianglecambridge.co.uk/

Pipe Ce

Of course, when using BIM the aim is to share information and optimise process during construction, in order to optimise building outcomes. Christian Carter, of Allied Mechanical Services, feels that together, the parties involved in the Triangle project have been successful in this regard from the outset. He said “From our point of view, at initial concept stages the ability to deliver within budget was crucial, and for the module process we needed additional input from all

Price Guide

For more information on Bouygues UK, visit For more information on Allied Services, visit

CMYKCMYK / .ai / .ai CMYK / .ai

www.bouygues-uk.com www.alliedservices.co.uk

For more information on Pipe Center and Climate Center, www.pipecenter.co.uk or www.climatecenter.co.uk visit

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C H I L L E RS

HEAT FOR COOLING? At first, the headline of this article doesn’t make sense! How can heat be used for cooling? Well, this isn’t something new.

n fact, the technology has been around for well over 100 years. The objective of this article is to remind those that have forgotten and those that have never heard about absorption chillers and to demonstrate that you don’t always need to consider traditional electric vapour cycle equipment for your commercial/industrial cooling pro ects

They are now widely being applied and selected in many applications, mainly due to improvement in performance and smaller footprints and duties. Without getting too technical (you can read the full version on Wikipedia), absorption chillers use the thermal energy in hot water or steam to power a reaction that chills water to feed a central chilled water cooling system. This technology is time-tested and used in facilities around the world. In recent years, some of the

“

Absorption chillers have been around for a very long time. But for the last 20 years or so they have fallen out of favour due to several factors. All that is changing, somewhat. Especially with the availability of different sizes and types particularly when there is waste heat available – particularly in process cooling systems where this is common.

advantages of absorption have become more prominent, making it a very attractive choice for applications where, 20 years ago, electric chillers were the rule. DPAC is a specialist provider of absorption chillers in the UK and offers a broad range of machine types in many sizes. Simon Lamberton-Pine from DPAC said “There is increasing interest in absorption chillers for hospitals, schools and universities, and some large industrial energy users.

THIS TECHNOLOGY IS TIME-TESTED AND IN USE AROUND THE WORLD”

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CH I LLERS

Remember to consider the absorption option

“One of the main reasons is that many established and publicly recognisable brands – especially in pharmaceutical businesses – have seen this as an important step in their CSR process. Many have elected not to use chemical refrigerants on their sites. They are selecting absorption equipment instead for their facilities.” Why are these kinds of the main energy users attracted to the absorption process?

Don’t always assume that an electric chiller is the only option. Is absorption the right choice? It is essential to do a complete evaluation and get help from a specialist who knows and understands absorption systems. The rules on equipment selection have changed from 20 years ago and because of the wide variety available, many consultants and contractors now prefer the absorption option. If you have a potential project, then we recommend determining the costeffectiveness and suitability of absorption equipment by taking the following steps:

Avoiding maximum demand charges

Probably the primary consideration is the operating costs of electric chillers which have increased dramatically over the last ten years. Electric utility companies not only have significantly increased energy rates but also are increasing electric maximum demand charges. In many commercial, industrial and institutional facilities, electric chillers make the single greatest contribution to those summer peaks, when demand charges are usually the highest. New electric chillers are more efficient than existing models. Other strategies can help reduce demand contribution. But electric chiller demand is still a major contributor. CHP equipment is becoming more prominent, and waste heat is often available. CHP generators, especially gas turbines, have great potential for by-product heat that can supply an absorption chiller with some or even all of its needed thermal input. The same CHP equipment that provides heat for the building(s) in the winter can also provide cooling in the summer. If you are a bit of an energy saving guru, it can be frustrating to see an industrial facility venting off steam because the boiler is continuously firing when there isn’t enough demand for the steam. If you were to use this spare capacity to supply an absorption chiller, not only would you avoid the need and cost of a dedicated boiler, but you could make the existing boilers work more efficiently. The other alternative is by using natural gas as the thermal source. Modern equipment now allows options. Absorption chillers have a relatively small electric demand when compared to conventional chillers. Pumps and,

DPAC.indd 51

possibly, cooling tower fans need it. An absorption chiller typically has electrical demand less than 10% of its same-sized electric alternative. With rising demand charges, it can be an excellent energy/ money-saving choice. Direct-fired absorption machines are another option where there isn’t any waste water or steam available. Many manufacturers supply direct-fired absorption chillers, with steam generation included in the absorption chiller package. They optimise the boiler section to the chiller section. In the winter, this same boiler can provide steam for space heating. Direct-fired absorption chillers are available in a variety of sizes from several manufacturers.

“

Conduct a plant survey to identify potential sources and availability of waste heat. Determine cooling load requirements and the cost of meeting those requirements with existing mechanical chillers or new installations. Obtain quotes for absorption chiller(s). Undertake a life-cycle cost analysis to determine if the absorption chiller meets the cost-effectiveness criteria. Simon Lamberton-Pine of DPAC wrote this article. www.dpac.co.uk. His team has extensive knowledge and experience across many niche and mainstream cooling technologies. Why not send over details of your next project? Contact them on 0800 193 6288 or by email sales@dpac.co.uk.

THERE IS INCREASED INTEREST IN ABSORPTION CHILLERS FOR HOSPITALS, SCHOOLS AND UNIVERSITIES” CMYKCMYK / .ai / .ai CMYK / .ai

acrjournal.uk 16/01/2017 13:06

C H I L L E RS

BREATH OF FRESH AIR Cooling solution for computer room cuts energy running costs for hospital.

lima-Therm has delivered a high-eﬃciency cooling solution for a computer server room at Salisbury District Hospital that uses fresh air to augment mechanical cooling. The server room is the nerve centre of the hospital, and vital for all aspects of its operations. It was previously cooled by two traditional CRAC units originally designed for indoor applications but installed outside and partially weatherproofed. The system proved to be inefficient, with the simple on-off operation, irrespective of the size of the load or ambient conditions. Fans were also beginning to fail due to long-term operation. Klima-Therm’s brief was to design a more energy-efficient system to replace the ageing CRAC units, to significantly reduce energy running costs and provide reliable cooling for the servers. The hospital was also keen to have improved control and monitoring of the system, as part of its wider energy efficiency drive. The new system consists of two vertical air handling units (AHUs) equipped with EC fans, chilled water cooling coils and a fresh air mixing box. The model ADV-B 3512-4025 AHUs connect to high-efficiency Rhoss variable speed chillers, type TCAIY 150, based on scroll compressors The chiller-AHU combination provides 46.5kW of cooling capacity, which is augmented by fresh air cooling when ambient temperatures permit. An intelligent control system maintains temperatures at the pre-set limit and optimises efficiency by introducing cold fresh air. It enables up to 15per cent ambient fresh air to be introduced into the AHU airstream, reducing the load on the chillers and cutting demand for mechanical cooling. In addition to the fresh air energy benefit, the use of variable speed scroll chillers also reduces running costs

due to their high part-load efficiency. As the chiller is operating at part-load most of the time, this can result in significant savings. In combination, the fresh air cooling and variable speed scroll chillers can deliver savings of up to 30 per cent of energy running costs compared with a conventional DX CRAC system.

Space restrictions on site meant that the new vertical AHUs had to match the size of the original CRAC units, to allow for maintenance and inclusion of the fresh air inlet. Jerry Henderson, Estates Project Officer at the hospital, said “Reducing energy use is a top priority for us, and this project is part of a long-term strategy. The key is to not only reduce consumption but deliver this while maintaining and improving reliability, resilience and sustainability. “We worked closely with Klima-Therm to achieve this. The dual approach, using fresh air cooling plus variable speed chillers, gives a double win regarding reducing energy running costs. Moreover, because the design is based on proven technology, it is not only highly efficient but very reliable.” The success of the project has led to further projects for Klima-Therm at the hospital, including an HVAC solution for a new Breast Care Unit.

Klima-Therm’s brief was to design a more energy-efficient system Significant savings can be achieved as the chiller is operating at part-load most of the time

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PRODU CTS

The guide to what’s new for The ACR Journal readers, offering vital industry news including the latest products and services to be introduced.

OASIS putting customer in control Cool Designs has developed a sophisticated new air conditioning controller called OASIS, which cuts energy use and optimises indoor comfort at the individual room level across a building. It can be used with Toshiba’s full commercial range of splits, heat pumps and VRF systems. It also takes care of fire and frost protection, as well as providing a power metering and recording capability. Data gathered can be used by building owners and FMS as part of a building- or estate-wide energy management programme. Unusually for an air conditioning controller, OASIS also looks after control and optimisation of lighting, by linking to a network of presence sensors across a building. For more details, contact: Darrel Birkett on 0191 549 6964 or dbirkett@cooldesignsltd.co.uk

ESS launches breakthrough mini gas-powered heat pump

ESS (Environmental Site Supplies) is pleased to announce the launch of the world’s first gas heat pump for domestic and small commercial use. The Robur K18 is an 18kW mini gas-powered heat pump that offers temperatures up to 65 °C for heating and up to 70 °C for domestic hot water. The K18 is aimed at larger or period domestic properties, and is also ideal for small commercial installations. A hybrid version, with an integrated boiler, offers a 37kW output and is available early in 2017. The Robur K18 is a high efficiency boiler replacement that provides energy and carbon savings of 38% against a modern condensing boiler. It is a monobloc heat pump that requires no costly fridge work and simply connects to an existing heating main. For more information contact ESS: 020 8641 2346 info@roburheatpumps.co.uk www.roburheatpumps.co.uk

Swegon’s new PowerCool chiller range Swegon has launched its new range of PowerCool chillers, which have been specifically designed to work for a wide range of process and industrial applications. There are two models in the range, the PowerCool and PowerCool Mini, both of which are fitted with a high turbulent design heat exchanger that reduces energy consumption. This unique feature has no coil degradation or drop off in performance and efficiency. Equipped with an easy-to-use electronic controller, the chillers have the added benefit of plug and play design and a wide supply temperature range of -10°c to +30°c. Cooling capacities start at only 0.9kW up to 100kW.

www.swegon.co.uk

New Ereba monobloc heat pump delivers top COPs CIAT Ozonair has introduced a new range of high efficiency Ereba monobloc air-towater heat pumps, to provide low running cost, low carbon heating and cooling for homes and small commercial premises. The new Ereba units, available via CIAT and Toshiba Air Conditioning, are available from 4kW through to 21kW as a Monobloc system, providing heating and cooling. Based on a high efficiency two-stage rotary compressor, Ereba uses an inverter-driven DC motor to deliver heating efficiencies of up to 4.3 Coefficient of Performance (COP), certified by Eurovent, giving it an A+ efficiency rating. It can be used as a stand-alone heating source in new homes or small commercial applications, or to augment / back-up conventional boiler-based heating systems in existing buildings. 01372 220240 www.toshiba-aircon.co.uk

To advertise your product in the ‘What’s New’ section please contact

theresag@warnersgroup.co.uk

FEBRUARY 2017

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CORROSION PROTECTION SPECIALIST

Technical Sales and Support vacancies Air Conditioning, Ventilation, Refrigeration, Maintenance, Heat Pumps, Renewables

FOR NEW AND EXCITING ROLES IN THE UK : Sales/Sales Management/Business Development/Key Account Management, Project Engineers, Contract Managers, Technical & Sales Support, Estimating, Service Managers, Service & Maintenance Engineers in : Air Conditioning, Refrigeration (Industrial & Commercial), Chillers, Ventilation, Boilers / Heating, BMS & Controls

U N I T E D

K I N G D O M

Anti-Corrosion Coatings for Fin Coil Heat Exchangers E. Unitedkingdom@blygold.com W. www.Blygold.com NOISE CONTROL PRODUCTS

Acoustic Solutions

& Sound Advice

Manufacturer of performance acoustic foam insulation. Supplied in sheets, rolls, acoustic kits.

Please visit our new website :

www.ts-international.com

2:57 PM

Please call: 0118 930 4444 or email your CV to: vacancies@tsinternational.net website: www.ts-international.com TSInternational Recruitment Ltd 7 High Street, Theale, Reading, Berks, RG7 5AH

Page 1

WWW.ACRJOURNAL.UK

Foam Techniques Ltd, 39 Booth Drive, Park Farm South, Wellingborough, Northamptonshire, NN8 6GR, United Kingdom

T: 00 44 (0) 1933 400096 E: sales@foamtechniques.co.uk

W: www.foamtechniques.co.uk Call us now on 01474 338705/338725 www.ashburyassociates.co.uk Email: info@ashburyassociates.co.uk

AREA SALES MANAGER

INDUSTRIAL SERVICE MANAGER

CHILLER ENGINEERS

South East to £38k + bonus +bens + car This well established refrigeration distributor is looking to further strengthen its team. You will be responsible for managing distributors and providing technical and commercial support. With a view to developing and maintaining excellent customer relationships in order to maximise full business potential. Ref: T3387

Midlands to £52k + bonus + car Experienced Service manager required to run this busy industrial and commercial Refrigeration service operation. You will be responsible for managing and motivating the service team, maintaining existing clients and developing new business. Good man management and commercial skills are essential. Ref: T3379

South East to £38k + t/t + o/t + veh This major manufacturer of air conditioning chillers is looking to appointment of 3 engineers based in the South East. You will be responsible for the service, maintenance and commissioning of a wide range of chillers including recip, and screw. Ref: T3386

SALES/APPLICATIONS ENGINEER

SERVICE SUPERVISOR

INDUSTRIAL REFRIGERATION ENGINEERS

South East c£40k + bens+ bonus + car Our client a leading refrigeration contractor, is looking to further strengthen its sales team. You will be responsible for securing profitable projects in the South East. The ideal applicant will have a proven track record in technical sales matched with a good technical background. Ref: T3385

Lanarkshire c£42k + bonus + bens + vehicle This well established refrigeration contractor is looking to appoint an experienced Service Supervisor who will be responsible for estimating service/maintenance contracts and small works projects also providing technical support to the service team. Ammonia experience would be beneficial. Ref: T3384

W. Yorkshire to £32k+van+o/t+t/t Industrial refrigeration contractor requires a additional engineer to be responsible for the service and maintenance of a wide range of industrial refrigeration systems within food process applications. Industrial refrigeration including ammonia experience required. Ref: T3390

SERVICE MANAGER

CHILLER/HEAT PUMP ENGINEERS

SITE BASED ENGINEER

Hampshire to £45k +Bonus + bens + car This well established refrigeration contractor is looking to appoint a Service Manager to manage their service operation. You will be responsible for maintaining and developing the service business in the Hampshire area in accordance with agreed budgets and plans. Managing and motivating the service team and support staff. Ref: T3374

Midlands and Glasgow to £38k + o/t+ bens + van This well established heat pump contractor is looking to further strengthen its service team. You will be responsible for the service and maintenance and commissioning of chillers and heat pumps. The ideal applicant will have a good technical background matched with good communication skills. Ref:T3389

SALES ENGINEER

SERVICE SUPERVISOR

Surrey to £38k + o/t + bens This well established air conditioning manufacturer contractor is looking to appoint a site based engineer. You will be responsible for the service and maintenance of chillers, VRV systems, close control units and associated controls on a prestigious site in Surrey. Experienced engineer required with good communication skills. Ref: T3388

South East to £38k + com + car This distributor of refrigeration and air conditioning equipment is looking for a Sales Engineer. You will be responsible for assisting account customers with the design/selection and pricing of equipment and associated components. Ref: T3366

Bristol c£40k + bonus + bens + vehicle You will be responsible for supervising and motivating the refrigeration engineers working within the busy service department . Working closely with the Service Manager in the preparation of quotations and material lists for service work. Providing technical support for clients and in house engineers. Ref: T3376

p55_acrfeb17.indd 1

For Forfurther furtherdetails detailsplease contactcontact either TERRYWHITE WHITEororROGER ROGERPRICE PRICEat TERRY Ashbury The Old Rectory, Springhead Road, AshburyAssociates, Associates Ltd., Crown House, Home Gardens, Northfleet, 8HN Dartford, Kent DA11 DA1 1DZ t 01474 338705/338725 f 01474 338749 t 01322 424636 f 01322 424637 ee info@ashburyassociates.co.uk info@ashburyassociates.co.uk

12/01/2017 12:48:03

C H I L L Y C H A T T E R C H I L L E R C H AT T E R

NOVEMBER 2016

CHILLY CHATTERsponsored SPONSOREDbyBY Chilly Chatter

FUJITSU AIR CONDITIONING The name you can rely on www.fujitsu-general.com/uk

Natasha rises to APPRENTICES FOR THEZIEHL-ABEGG BEST EQUIPMENT THE NEXT GENERATION Climalife challenge SPONSOR CHILDREN IN SWAZILAND

Advanced Engineering, the leading distributor of service equipment Natasha Eley, Service Manager to the UK refrigeration industry, has donated £15,000 worth of at Stonegrove Refrigeration, is AC&R equipment to Eastleigh College in Hampshire. the winner of Climalife’s F-Gas The donation is part of a major three-year investment in Challenge Quiz. apprenticeships that will see the same amount pledged to every She was presented with her prize major college in the UK that provides apprentice of an iPad Air by Climalife’s Head of Natasha Eley receives her prize refrigeration courses. from Dave Richards Sales, Dave Richards. “Service engineers are the lifeblood of our industry and we want The F-Gas Challenge quiz was created by Climalife following to support the next generation of apprentices with the very best the success of their 2018 F-Gas Challenge infographic earlier equipment available,” said Barry Lea, chairman of in the year. Mel Summers, Marketing Co-ordinator at Climalife, Advanced Engineering. said: “We were really pleased with the feedback we received “We’ve donated 10 free recovery machines from the worldfrom the infographic and wanted to maintain its momentum renowned Promax family to Eastleigh College, including six of the by launching a related quiz that focussed on some of the key bestselling Minimax models and four of the new top-of-the-line elements of EU F-Gas regulation.” RG6-E refrigerant recovery machines.” Answers to the quiz, together with the infographic and the The charitable donation comes at a crucial time for refrigeration latest F-Gas news can be found at www.climalife.co.uk training providers; with the new A2L refrigerants starting to come in, engineers need new equipment which is able to safely handle the new mildly flammable Ziehl-Abegg apprentices Jennifer refrigerants. Zuern (left) and Marlen Geissler sign the sponsorship for two children in Swaziland

COOLAIR RECEIVES AWARD SAVENATIONAL THE DATE... FOR CHARITY FUNDRAISING IOR Annual Dinner 2017

Apprentices and trainees from fan and motor manufacturer Ziehl-Abegg are sponsoring two children in Swaziland. They will cover the costs of the children’s food education air conditioning installation specialist Coolair Equipment Ltd is celebrating and healthcare through a partnership with theLeading World Vision after scooping a top national for charity fundraising. sponsorship programme. Theaward Institute of Refrigeration will be holding its Annual company, which hasDinner officeson in 16th Manchester, the andSt Kent, raised noinless After the idea was suggested during a seminarThe of the February atMidlands the Grange Paul’s Hotel than £90,000 from campaign Challenge Cancer UK which included a company’s youth and trainees council, the apprentices agreed toa year-long the heart of thefor City of London. 300-mile cycle ride through Now South Asia.year, the IOR Dinner is an event that donate 30 euros per month for each child. inEast its 117th with itstheir first-ever Outstanding Contribution Award is in “We wanted to select something permanent,”The saidcharity Marlenpresented Coolair members and companies still hold dear The evening of the biggest donation from any business had ever Geissler, aged 20. “And of course we can sendappreciation a little birthday a celebration of all that is gooditabout the worked RACHP with. industry Regional who organised theacampaign, the glass star present or some money for exercise books for the wholeDirector class.” Neil Gibbard, and will include, as always, traditionalreceived toast and speech trophy from Challenge Cancer UK Founder Mark Roberts on behalf of the company. He Concerning additional gifts, World Vision recommends programme. was also a Corporate Ambassador for the charity. sending things that benefit the entire community. “Wemade can also Tickets are selling fast as members of the IOR are keen teamed up withto one of its biggest suppliers and business partners, Mitsubishi donate money for a chicken that will be shared inCoolair the whole take part and bring their guests. Be sure to attend and Airprivate Conditioning Systems, recruit and a team of117th 18 staff and customers family,” said Jennifer Zuern, 22, who sponsorsElectric a child in join thosetowho want to lead celebrate the anniversary on an epic six-day bike ride Saigon in Vietnam to Angkor Wat in Cambodia. as well. offrom the formation of the Institute of Refrigeration and Coolair staff chose Challenge Cancer work UK asto the adoptedthe charity for their 35th One of the reasons the young Ziehl-Abegg employees chose its continuing promote advancement of year after they were movedinto that it distributes its funds to cancer Swaziland because English is one of its officialanniversary languages besides refrigeration alllearn its applications. charities throughout the journey of cancer from awareness Swazi. “Maybe in the future, we could invite a child to ZiehlYou can book tickets online at and prevention to research respite. Abegg in Germany for a work placement or forand even more,” said www.ior.org.uk/annualdinner Challenge funds0208 for cancer awareness, prevention and research, Marlen. To earn money for the project, the apprentices willCancer set up UK raises or call 647 7033. as well as patient treatment care and support for those affected by cancer. The fund-raising events at future company celebrations. Coolair Regional Director Neil Gibbard (right) receives the Manchester-based charity can be reached at www.challengecanceruk.org Outstanding Contribution Award from Challenge Cancer UK (Tel: 0161 771 2040). Founder Mark Roberts at Coolair’s Manchester office FEBRUARY 2017

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C H ANG I NG FACES

CALLUM MCDONALD

NEW FERNOX AREA SALES MANAGER FOR LONDON

Chemical water treatment and filter manufacturer Fernox has made a new appointment to its sales team. After more than three years in the technical department at Fernox, Callum McDonald has been appointed as an Area Sales Manager for London. Callum began his career with Fernox in 2013 as a member of the technical staff, later becoming a key member of the TF1 Omega Filter development team – the company’s first brass, nickel-plated filter for the domestic market.

For more information on Fernox chemical water treatments and filteration devices visit: www.fernox .com

STEVE LOUGHTON

HOSHIZAKI ANNOUNCES UK DIRECTOR

Hoshizaki UK has appointed Steve Loughton as UK director. As Hoshizaki and Gram UK are now operating under the integrated Hoshizaki business name, Steve takes the reins of the combined organisation from exiting MD Glenn Roberts. After nearly four years as managing director at Jestic Foodservice Equipment, Hoshizaki UK is delighted to welcome Steve to head up its UK head office. With a proven record of driving profit growth, Steve is ready to embrace the challenge of growing Hoshizaki’s presence both in the UK and Europe. Gram’s commercial director Paul Anderson will also take up a new role in January as Hoshizaki UK’s director of sales.

For more information visit:

www.hoshizaki.co.uk

JOHN EMM

HEADS UP NEW WHOLESALER/DISTRIBUTOR

Pumps2go Ltd has been appointed as the Siccom distributor for its range of condensate pumps and associated products covering the UK and Eire. The company is headed up by John Emm, a well-respected name in the UK refrigeration and air conditioning industry. John, who has spent 52 years in the industry, was until recently the UK & Eire Business Development Manager for KRIWAN Industrie-Elektronik GmbH Germany, and managing director of Dawmec, the UK’s leading distributor of DWM Copeland products, based alongside sister-company Searle in Hampshire.

For more information visit:

www.pumps2go.co.uk

ADAM YARRINGTON

AIREDALE APPOINTS PRODUCT DEVELOPMENT DIRECTOR

Adam Yarrington has been appointed as Product Development Director at Airedale. Adam takes over the reins from George Hannah, who has occupied the position for the past six years. Adam joined Airedale in September 2005 after graduating from the University of Leeds with a MEng Degree in Automotive Engineering. In this new strategic role, Adam will lead the development of Airedale’s design, engineering and research offering to underpin their growth strategy.

For more information visit:

www.airedale.com

DISA SHEARER

OCEANAIR INTERNAL SALES ROLE

Disa Shearer has joined Oceanair as an internal sales representative. Disa was the first industry winner of the ACR Customer Service Award in 2014. This award recognised her professional attitude. Disa’s favourite part of her role is speaking to customers and taking pride in reacting to enquiries efficiently to ensure customers receive an excellent service. She will admit when she doesn’t know an answer and makes it her mission to find out the correct answer and get back to the customer. When Disa isn’t working she enjoys eating, preferably something sweet-related, and loves a food fair. She has also been known to point out air conditioning in public and was once advised to “shut up if you want to make friends”.

For more information visit:

www.oceanairuk.com

ADVERTISE YOUR CHANGING FACES HERE

Get your new faces to the ACR Journal so we can help your customers know who to contact. Send your new hire details to the Editor:

David Todd

david.todd@warnersgroup.co.uk

DECEMBER/JANUARY 2017

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– Most Successful retrofit program worldwide – can be used for retrofit and service without end date

R-448A and R-407F — The Most Successful Retrofit Products Worldwide

More than 15,000 stores worldwide have already retrofitted to Honeywell Genetron Performax ® LT (R-407F) and installations of lower GWP Solstice® N40 (R-448A) will top 2,000 by year’s end globally, making them the most successful retrofit products in the industry. Join the global movement. Make the switch to Honeywell refrigerants today. Learn more at honeywell-refrigerants.com/europe

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16/01/2017 12:44:48

SOME THINGS WERE ALWAYS MEANT TO BE ROUND

GOODBYE SQUARE AIR HELLO SAMSUNG 360 CASSETTE The patented Samsung 360 cassette is a revolutionary first in air conditioning, using bladeless technology to deliver completely even cooling for draft-free comfort.

360 CASSETTE

No more expensive ducted units and no more square air.

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16/01/2017 12:45:41