ACR Journal - Nov 2015

ISSN 2058-4407

NOVEMBER 2015

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VOLUME 1 No10

Essential Information for the Air Conditioning and Refrigeration Industry

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AWARD CATEGORIES: > ACR Commercial/Retail Project > Domestic Air Source Project > Domestic Ground Source Project >Non Domestic Air Source Project

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> ACR Contractor > Wholesaler/Distributor of the Year

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SPONSORED & SUPPORTED BY

Town Hall

Victoria Square, Birmingham, B3 3DQ Celebrating innovations, projects, installations and environmental successes the awards bring together Manufacturers, End Users, Distributors, Heating Engineers, ACR Contractors and Consultants, providing the best possible platform for rewarding excellence in the ACR and Heat Pump Industry

visit www.acrheatpumpawards.uk NACRHPA DPS.indd 3

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CONTENTS

Novemer 2015

REGULARS

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Essential Information for the Air Conditioning and Refrigeration Industry

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Editor

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Will Hawkins 01778 392094 willh@warnersgroup.co.uk

IOR News and EIA F-gas Handbook

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

Mitsubishi Electric column Isn’t it time you took control?

Advertising Sales Theresa Geeson 01778 392046 theresag@warnersgroup.co.uk

Editorial Design Ady Braddock

Advertising Design Natalie Reynolds

Products James Knight 01778 395029 jamesk@warnersgroup.co.uk

Production Sue Ward 01778 392405 production@warnersgroup.co.uk

Subscriptions Single copy £3.00; Annual UK subscription £35.00 Overseas £65.00

Publishing Editor & Awards Organiser Juliet Loiselle 01778 391067 julietl@warnersgroup.co.uk

24

Followers of fashion How often do you see anything which is new?

Often, new products are not new at all. They are old ideas with a new exterior.

So what? If an old idea is a good one, then why not adapt it for today’s circumstances. I heard that same point recently when talking with someone about heat recovery. This technology has been around for decades, but heat recovery went out of fashion.

But, it appears that its time has come again. This month I have seen heat recovery systems in place in shops, and multi-pipe systems coming into the UK which carry out simultaneous heating and cooling.

Heat recovery is coming back into fashion because it is offering relatively quick returns on investment.

The underlying movement, however, is big companies realising they can make profits more easily by driving energy costs (and other costs) out of their businesses. It’s far easier to do that than it is to increase your turnover.

That’s why heat recovery is making a comeback and becoming fashionable again.

Will Hawkins, Editor, willh@warnersgroup.co.uk

Competition – Enter the REFCOM word search to win great prizes

36 Women in ACR – Katy Eccleston from Hawco tells us about her role

Katy Eccleston

40 Company profile – This month – Cool Designs Ltd

42 Out and About – Will Hawkins talks to TQ Environmental

Published by: Warners Group Publications Plc The Maltings, West Street, Bourne, Lincs, PE10 9PH 01778 391000 01778 394748 www.warnersgroup.co.uk © Copyright 2015

PRINTED BY WARNERS 01778 395111

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NATIONAL ACR AND HEAT PUMP AWARDS 2016 See who is on the shortlist Page 20

47 Contractors Corner – TF Solutions - Pumphouse FlexiFrames

60 Addendum In the October issue, we ran the ‘Manufacturers Versus Distributors’ feature on page 32. Please note that it was not highlighted that Medal Air Conditioning is a distributor for Panasonic heating and cooling systems. www.medalaircon.co.uk

What’s new – The latest products on the market

61 Recruitment – The latest jobs

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CONTENTS

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MANIFOLDS

Chilly Chatter including Chilly Van Competition

44 Tools talk – Javac offers advice on manifolds

66 Changing Faces – Who’s new and who’s moved

FEATURES

HEAT RECOVERY

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SIRACH

DK Heat recovery - How a farm shop uses its refrigeration for hot water

TRANSPORT REFRIGERATION 50

14 All about magnetic refrigeration Training

TRAINING

18 HETA on Selecting and Retaining Apprentices

22 LG’s opens it new academy and an interview with Mark Richardson, Technical Manager

Legionella – How to answer your customers’ questions

26 Pollution from Transport Refrigeration - Dearman’s Toby Peters looks at its impact in the EUo

HEAT PUMPS

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28 Mobile and Static Cooling – Will Hawkins interviews Thermo King’s marketing director about the challenges with transport refrigeration

Heat Pump News

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Kensa installs a ground source solution that helps a social housing group

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REFRIGERANTS

City heat – how a Finnish city gets its heat from data centres

30 A-Gas – The credentials of new low GWP and energy efficient refrigerants XP40 and N40 The R22 Dilemma – Daikin’s Martin Passingham explains

ISSN 2058-4407

VOLUME 1 No10

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Sponsored by

Essential Information for the Air Conditioning and Refrigeration Industry

RETAIL REFRIGERATION

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43 Comfort under control – WiFi controllable air condititoning

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Submissions deadline Friday 15th January 2016

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Retail Refrigeration l Chillers l Data Cooling l Cold Rooms

1989-2014

NOVEMBER 2015

IN THE FEBRUARY 2016 ISSUE OF THE ACR JOURNAL:

CONTROLS

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How Food Safe Is Your Lunch?

Catarina Marques from Adande shows how to make sure it is

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

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06

NEWS

November 2015

HUBBARD PRODUCTS ANNOUNCES MOVE TO NEW SITE

DAIKIN APPROVES ALTERNATIVE PIPEWORK METHODS

Daikin recently approved the use of ‘alternative pipework methods’ on its air conditioning and heat pump systems.

The announcement comes in the wake of Mitsubishi Electric that also approved the use of alternative jointing and pipework methods on their heating and cooling systems. The news will be a relief for companies like Reflok that have joint systems that use pressure and not heat to connect air conditioning or heat pump units together.

The announcement comes after months of trials and legal processes. One of the main barriers for contractors who wanted to use systems like Reflok was that the Daikin would void the warranty on the equipment if unapproved materials and methods were used.

The Reflok system uses aluminium joints and pipe instead of copper. Contractors like using it because the system saves a lot of time during the installation and, because there are no flames used when joining pipes together, it is an ideal solution in sites where ‘hot-works’ are not permitted. This is an advantage if there are flammable materials on site.

Daikin is enforcing a number of rules for the newly approved jointing and pipework methods to comply with various regulations.

EBM PAPST BEGINS WORK ON NEW DISTRIBUTION CENTRE German fan manufacturer, ebm papst will open a new, €36 million distribution in Hollenbacher at the end of 2016, the company announced recently.

The new, 38,000 m2 logistics centre will ship customer order for fans all over the world. However, the new site was only possible after local government officials accepted improvements to roads near the site. The site suffers from a steep, narrow road, which is difficult for lorries to access.

Improvements to the road will start in Spring 2016.

Chairman of the ebm-papst group management board, Rainer Hundsdörfer said: “We urgently need this upgrade if we are to optimise logistics between our locations in Hohenlohekreis.

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Hubbard Products, the commercial and transport refrigeration systems manufacturer, is to move its factory and research & development site in Ipswich, Suffolk, starting this November.

The new 50,000 sq ft site at Europark in Ipswich will mainly be used for its manufacturing operations, with 3,000 sq ft used for its sales, marketing and administrative departments.

Chief Executive, Pat Maughan said: “Our Otley site has been a good home to us for nearly half a century. We will be sorry to be leaving. However, our success at developing innovative refrigeration solutions in collaboration with some of the UK’s best-known retailers and developers of zero carbon technology means that we have outgrown the site.

“Fortunately, we have been able to find a new location that will allow our most important asset our staff, to move with us.”

The company also recently announced a partnership with the Dearman Engine Company to develop a clean energy power unit, which powers transport refrigeration systems.

If this road were not going to be improved we would not have approved this sizable investment in Hollenbach and Mulfingen.

I am pleased that we will remain faithful to the area and can safeguard jobs in Hohenlohekreis for the long term.” ebm papst is also building new measuring & testing facilities and administration offices at its Mulfingen site which will cost €30 million.

26/10/2015 17:39

Innovation for a Better Business

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LG Electronics participates in the Eurovent Certification Programme for Variable Refrigerant Flow (AC) ; the certified models are listed in the Eurovent Directory.

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NEWS

November 2015

CIBSE ANNOUNCES YOUNG ENGINEER OF THE YEAR 2015

CIBSE (the Chartered Institution of Building Services Engineers), announced today the winner of its 20th Young Engineers Awards, Ryan Rodrigues.

Ryan won the crowned Graduate of the Year award, beating off competition from either other talented graduates. The entrants had to give a four-minute presentation themed on how collaboration can be used to improve buildings and building performance.

The Young Engineers Awards promote both graduates and their supporting employers. They recognise hard work, bright thinking and skills in relation to developing a positive future for the built environment.

“We are used to seeing the absolute cream of the UK’s engineering talent at these awards, but the standard was particularly high this year and the bar was raised yet again,” said CIBSE president, Nick Mead.

The awards ceremony was at the Institution of Mechanical Engineers’s headquarters in London, and was followed by the annual ASHRAE president’s lecture, delivered by David Underwood from the US. CIBSE, ASHRAE and the Institution of Mechanical Engineers support the event, with sponsorship from Andrews Water Heaters, Ruskin Air Management, Schneider Electric, and CIBSE patrons.

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A-GAS BUYS US REFRIGERANT RECLAMATION BUSINESS

A-Gas, the refrigerant specialist, has bought the American business, Refri-Claim, the business announced this week.

Refri-Claim is a refrigerant reclamation business with ‘exchange centres’ based in distributor locations all over the USA. Customers can exchange refrigerant cylinders over the counter at the centres.

Refri-Claim provides its customers with back-up refrigerant cylinders, repair services and help re-certification administration.

Monte Roach, A-Gas Americas’ chief Executive said: “This acquisition is a part of our core strategy of managing the complete lifecycle of refrigerants for our customers.

It will allow A-Gas to broaden its footprint and enhance its services’ offering to our wholesale partners, their contractors, end-users and other customers.”

A-Gas will take ownership of the Refri-Claim’s customer list. The company’s stock of cylinders, reclamation and refurbishment equipment will go to A-Gas’s central operation in Magnolia, Texas.

“THIS ACQUISITION IS A PART OF OUR CORE STRATEGY OF MANAGING THE COMPLETE LIFECYCLE OF REFRIGERANTS FOR OUR CUSTOMERS.”

23/10/2015 09:20

NEWS

09 acrjournal.uk

IIR FOCUSES ON WOMEN IN REFRIGERATION

The International Institute of Refrigeration (IIR) focused on women in refrigeration at its conference in Japan this summer. It revealed interesting insights into the challenges of recruiting more females into the industry.

There is a shortage of qualified people coming into the industry and women are under-represented. With the big changes in legislation coming through the EU and global agreements, the need for skilled, knowledgeable people will increase. Companies will need to find new solutions to adapt to the changing situation in refrigeration.

People attending focused on how to attract more technicians, engineers and researchers into the refrigeration sector. One member of the conference workshop (from ** HVAC & Refrigeration Engineering Ltd (www.hvac-refrigeration.co.uk/index.html)**) put the

FIRST FEMALE APPRENTICE FOR MANSFIELD POLLARD

Charlotte joined the Bradford-based company’s ‘advanced apprenticeship programme’ which will help her to become a fully qualified electrical engineer. To help their apprentices get the best training possible, Mansfield Pollard works with Appris and Building Engineering Services Training (BEST) for delivering Engineering Manufacture apprenticeships and Refrigeration, Electrical Engineering and Fabrication & Welding, respectively.

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solution down to ‘education’. There is more attention needed on the ‘gender imbalance’ in engineering and more investment in making women aware of the opportunity in the sector is important, attendees agreed.

However, other comments illustrated that more female role models will help to attract new people, and that the language used is important to make the industry more approachable. For example, one businessperson at the workshop stated: “...few women apply for production engineering jobs and yet in environmental research and engineering 80% of candidates are women.”

The outcome of the workshop was that IIR should start an ‘IIR Women in Refrigeration’ group and that it should increase the number of women in its working groups and committees.

Read more details here: http://bit.ly/1ZQYL58 Read the Women in ACR section in the ACR Journal and online here: http://bit.ly/WomenInACR

The company already has apprentices on its scheme and Charlotte will join the group. Charlotte said: “I am really excited to be beginning my working life with Mansfield Pollard. I’m looking forward to being part of the team.”

Mansfield Pollard MD, Joanna Robinson, said: “We are always looking for young recruits who have energy, enthusiasm, commitment, a great work ethic, and an ability to work in a team.

“Charlotte ticks all of these boxes and she is in the vanguard of what we hope will be a wave of young females joining this company, and others in the industry.”

Mansfield Pollard is doing well. In 2014, the business increased its turnover by a third to £17 million. www.mansfieldpollard.co.uk

23/10/2015 10:51

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IOR NEWS

November 2015

IOR UPDATE

RECOGNISING ALL LEVELS OF EXCELLENCE for speed-networking!

Do you work with someone who excels at what they do? Who is worthy of recognition by their peers and the Institute of Refrigeration for their individual achievement? From the lifetime achievement of a service engineer to ground-breaking innovation. The Institute recognises and rewards individuals across a broad spectrum of person achievement.

WE ARE CURRENTLY INVITING NOMINATIONS FOR THE FOLLOWING IOR AWARDS:

FOR SERVICES ENGINEERS’ SECTION Nominate your best engineer for the Service Engineers Section Lifetime Achievement Award. The Award is designed to recognise the contribution made by those who have spent a career as a service, installation and maintenance engineer working on any kind of refrigeration, air conditioning or heat pump equipment. Previous winners have demonstrated not only excellent technical knowledge and superb customer service skills over careers in the sector of 15 years or more, but also a willingness to undertake activities outside their usual job description - for example, mentoring trainees and apprentices, writing technical papers and giving toolbox talks.

The winner will receive a cash prize of £400, an engraved tankard and certificate from the IOR President and there will be plenty of PR follow up by the IOR and ACR Journal who support the award.

STUDENT RESEARCHERS Our industry thrives because it embraces innovation. Essential to successful innovation is bright and enthusiastic

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people applying new skills and knowledge to industry problems.

The Ted Perry Award recognises and rewards post graduate students who have undertaken an exceptional research project which solves a practical problem related to refrigeration, air conditioning or heat pumps or leads the industry in a new direction. If you have a high calibre PhD student with an innovative project be sure to nominate them.

The winner will receive a cheque for £500 an engraved tankard and a complete set of ASHRAE handbooks as part of the IOR’s Ted Perry Award.

Past winners have been involved in projects that have underpinned innovation in cooling the London tube network, a low temperature (-150°C) freezer, and last year’s winner, Angeles Pacho-Rivero of the University of Warwick, was involved in carbon-ammonia adsorption heat pump technology. Angeles will be giving a case study presentation about her award winning research on the 3rd December at University of Birmingham. Book a free place at the IOR website and find out more about the project which was describe by the judges as a “practical research project with a high potential for commercial exploitation”.

LEADING PRACTICAL ACHIEVEMENT AND GLOBAL RECOGNITION The Instituter of Refrigeration J&E Hall Gold Medal is an internationally respected award given to recognise outstanding technical achievements in refrigeration and related fields.

Individuals or teams are eligible for work that has advanced the field of refrigeration. Nominees must demonstrate recent outstanding achievements in one or more of the following areas: Practical applications of innovative designs, Projects which have made an original contribution to the field, Systems which demonstrate substantial potential and evidence that they will be completed successfully, Outstanding and significant work in a new or unusual area.

The winner will receive a Gold Medal to hold for one year, a silver replica to keep and a cash award of £5,000 donated by J&E Hall International. Winners join a list recipients that includes some of the most respected names in the recent history of the industry.

Details of how to make your nomination any of these awards can be found at www.ior.org.uk/ awards or contact lisa@ior.org.uk for more info

23/10/2015 14:22

EIA acrjournal.uk

F-Gas Handbook

Free from EIA The Environmental Investigation Agency (EIA) has published a free guide on the F-Gas Regulations.

T

he guide helps refrigeration and air conditioning professionals understand the phase down of fluorinated greenhouse gases. EU regulations will decrease the amount of high GWP (global warming potential) refrigerants available to use in air conditioning and refrigeration systems throughout Europe up to 2030.

The legislation will affect all parts of the industry including manufacturers, installers, contractors and end users.

Download the 44-page guide for free from the EIA website: http://w2u.eu/EIAF-gas

Our strength is our fast response Quality engineering products for NH3, CO2 and other refrigerants from leading European manufacturers

EU F-Gas Regulation Handbook: Keeping Ahead of the Curve as Europe Phases Down HFCs

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• 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

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• 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

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MITSUBISHI ELECTRIC

November 2015

Isn’t it time you took control?

According to a recent survey by The Association of Plumbing and Heating Contractors (APHC) 70% of homeowners could not name a renewable heat source.

Y

et other work done by the HomeServe Alliance found that one in three see intelligent controls as the future for managing heating bills and the same percentage believe that smart homes will help drive down energy bills in the coming years.

What I find interesting about this is not the lack of awareness of the potential cost savings that heat pumps can offer in the residential market – let alone the commercial one. It is the fact that intelligent controls for a home’s heating system are registering as cost saving in the public psyche.

So why mention this in a column focusing on the commercial Aircon sector?

We all know that the controls available for today’s air conditioning systems offer

far more potential than most building operators understand or utilise, whether through lack of training or time.

Yet effective use of whatever control system is in place offers an immediate option for saving energy and therefore costs.

Whether that is simply planning the scheduling more effectively to suit a building’s requirements, or limiting the upper and lower limits of a set temperature, taking effective control of the controller is the quickest and best way of reducing energy bills.

As a trainer of air conditioning and heat pump engineers, I realise that it is not always possible to remember everything taught on that course you attended last year, or to carry bulky manuals to every site.

Ben Bartle-Ross, Technical Trainer

That’s why I have just started producing short videos that can be watched on smart phones to highlight the simple things that can be done to programme controllers properly and effectively to maximise efficiency.

The first series focuses on our own PAR31 controller and more are planned, but the basic principles should apply to anyone’s system.

So, whether you are handing over a new system to a building operator, or helping maintain an existing system, make sure you understand how to get the best out of it and your customers will thank you for it.

Ben Bartle-Ross is a Trainer at Mitsubishi Electric. Four short PAR31videos can be viewed at the company’s dedicated YouTube Channel: www.youtube.com/mitsubishielectric2

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20/10/2015 13:42:24

23/10/2015 09:26

And you thought we only made TVs.

Design and technical innovation is at the heart of everything we produce, creating the most desirable air conditioning solutions for you and your clients. samsung.com/uk/dvms

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Air Conditioning & Heating Solutions

20/10/2015 13:29:43 17/03/2015 13:59

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SIRACH UPDATE

November 2015

An Eye on the Future of Heating & Cooling Technologies BASIC WORKING PRINCIPLES Magnetic refrigeration is an emerging, innovative and potential low carbon technology. Due to the increased concern about global warming and an ever increasing energy consumption, the interest in magnetic refrigeration as a new cooling technology competitive to conventional vapour compression cooling has grown considerably over the last 15 years.

The principle of magnetic refrigeration is based on a phenomenon known as magnetocaloric effect (MCE). This was discovered by Emil Warburg in 1881 and is related to the property of some exotic materials such as Gadolinium and Dysprosium that heat up when applying a magnetic field and cool down when the magnetic field is removed.

This is illustrated in the figure below. It can be seen from the figure that by operating the magnet in four steps, it is possible to reject heat and produce cooling. The energy (E =m.Cp.ΔT) generated during each magnetocaloric cycle depends on the variation of temperature ΔT, the mass of material (m) and its specific heat capacity (Cp). This effect is maximal at a specific temperature called the Curie temperature of the material.

Step 1: Heats up when material is magnetised

Step 2: Remove heat using heat transfer fluid

Step 3: Cools down when material is demagnetised

Step 4: Absorb heat from cooling load

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26/10/2015 17:45

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RECOVERY RATE Vapour 19 Kg Liquid 120 Kg

Performance Oil Free Easy to Carry High Recovery Rates Supply 240 volts

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12/01/2015 11:24:40

20/10/2015 13:47:00

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SIRACH UPDATE

November 2015

Continued from page 14

SCHEMATICS SHOWING BASIC WORKING PRINCIPLE OF MAGNETIC REFRIGERATION The main limitation of the magnetocaloric system shown in the figure is the relatively small temperature difference that can be achieved between the cold and hot source. A number of techniques have been used to increase this exchange such as Active Magnetic Regenerator Refrigeration (AMRR).

The principle of this cycle uses a heat transfer fluid in contact with the magnetocaloric materials (MMC) flowing from the cold side to the hot side when the MMC is heated (magnetised) and from the hot side to the cold side when the MMC is cooled down (demagnetised).

This progressively increases the temperature difference between the cold and hot source to about 20K making the system potentially suitable for commercial applications.

POTENTIAL APPLICATIONS There are various potential applications. First developments have been oriented to the commercial and domestic refrigeration markets for example display cases, beverage coolers, professional or domestic fridges etc.

However, magnetic cooling can also be completely adapted to other refrigeration applications such as air conditioning, including automotive, cryogenics or in heating applications (e.g heat pumps).

BENEFITS The demand is likely to be driven by environmental regulations, since magnetic cooling does not use any refrigerant gas but only a water based coolant fluid. There are no direct CO2 emissions so it fully complies with all regulations such as F-gas in Europe or upcoming EPA regulations in the US.

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In addition, the magnetocaloric cycle frequency being typically between 1 and 3 Hz, the rotation speed of the machine is slow and therefore very quiet compared to traditional compression systems.

According to recent research it has been predicted that MCE will have a significantly higher cooling efficiency (COP) than the present conventional methods, with a potential for a 30% energy saving.

its magnetic refrigeration system, Cooltech is now introducing a standard product specifically adapted to the commercial refrigeration market.

In addition other multinationals from around the world who are working on similar technologies include such as Whirlpool, Electrolux, Astronautics, GEAppliances, Samsung, Erasteel, Sanden, Chubu, BASF, VAC etc.

CHALLENGES

VERDICT

Even though some product commercialization has been completed, there still remain some challenges: The primary one is related to the supply of magnetocaloric materials, which are scarce. Therefore reducing material content or identification of new materials would benefit.

Possibilities for reducing production costs. According to Cooltech the fabrication process has not been optimized yet and costs are still high for allowing a large deployment scale.

Interface optimisations (e.g Heat exchangers) between the devices and the equipment to be refrigerated have to be optimised for maximum efficiency.

Development of prototypes for various specific applications.

Not ready yet but One to watch over the next 5 – 10 years.

If you want to experience SIRACH in person, our next SIRACH meeting is scheduled for the 10 October 2015, at Newcastle University Claremont Road, NE1 7RU. SIRACH will be exploring the topic of - Networks for heating and cooling - opportunities, challenges and new solutions.

On the 1st October the SIRACH Network is visiting Newcastle University and the Joseph Swan Centre for Energy Research. Delegates will visit this interdisciplinary research centre, known to deliver holistic, cuttingedge research and finding new ways of meeting the growing energy needs in an environmentallyfriendly and sustainable way.

Current research projects include, Biofuel Micro-Trigeneration with Cryogenic Energy Storage, Building Management and Energy Demand and Low Grade Heat Driven Adsorption-Linear-Expander Cycle for Cogeneration of Power and Refrigeration. The Centre and Newcastle University are also involved in the Sustainable Thermal Energy Management Network.

CURRENT MARKET DEVELOPMENT Although there is a lot of academic work by scientists & engineers from worldwide universities and research institutions the current market development is not fully mature.

Some of the companies pushing the boundaries of this technology include Camfridge, currently involved in large EU research project on magnetic refrigeration http://elicit-project.eu/.

NEXTPAC (working on heat pump applications) and Cooltech, according to Cooltech after 3 years industrializing and testing

For more information or to be included on the SIRACH mailing list please register at www.sirach.org.uk or email info@sirach.org.uk

26/10/2015 17:43

WITH CERTIFIED PERFORMANCE IN YOUR COOLING TOWER YOU WILL ALWAYS HAVE THE BEST HAND.

MAKE AN INTELLIGENT DECISION TO REACH OPTIMAL SYSTEM PERFORMANCE WITH LOWEST CO2 FOOTPRINT. The COOLING TOWER certification programme “Eurovent Certified Performance” is new within the European HVAC&R industry. This programme responds to the Ecodesign regulations by adopting an energy efficient design to your building systems using Eurovent Rating Standard 9C-001.

The COOLING TOWER certification is actively supported by the participating manufacturers:

By Eurovent Certitia Certification, a leading Third-Party certification body in Indoor climate - Ventilation & Air quality - Process cooling & Food cold chain.

Getty Images ©JuSun

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Check performances on line www.eurovent-certification.com

20/10/2015 15:04:34

18

TRAINING

November 2015

Selecting and Retaining Apprentices Steve Dixey, Mechanical Instructor from engineering training business, HETA, explores how to choose and keep apprentices.

APPRENTICE MIND-SET

“THIS IS POSSIBLY THE TOUGHEST CHALLENGE FACED BY POTENTIAL EMPLOYERS AND TRAINING PROVIDERS FOR WHICH THERE ARE NO EASY ANSWERS.”

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What about the mind-set of a potential apprentice? Whilst not universal, we do see that there can be unrealistic expectations of reward for performance. Apprentices seek the fastest route to the solution without caring about the process or even understanding how they arrived there. The solution is produced without checking it for being realistic.

Apprentices worry about getting it right when they are not given the answer to work to and constantly ask for reassurance. As a result of that they work very incrementally. This can be a product of the school “system”.

They can also lack staying power and expect things to be neatly sewn up by pressing a button on a computer and may be unable to complete work-based tasks on a computer despite being

supposedly IT savvy. These traits affect employment in many sectors, not just engineering, and echo comments made by the CBI and others.

This is possibly the toughest challenge faced by potential employers and training providers for which there are no easy answers.

An element of “tough love” applies here. When a student sees work thrown in the scrap bin after one hole was drilled incorrectly in a work-piece that took a week to produce, that does test their ability to keep going. It makes them realise they have to concentrate for longer periods of time and gain a realisation that the teacher is not going to help them at every stage.

As HETA has a rigorous recruitment process, the young people we train tend to be more

focussed. This is not to say we don’t have apprentices who exhibit some of the traits shown above at some stage, but the low student \ instructor ratios, the working environment and regular reviews mean they are left in no doubt that they need to improve.

CAREER ADVICE

Schools career advice has been slated as being out of touch and students may not have realistic expectations of the requirements of particular workplaces. This is not the complete picture and it depends very much on who is in charge at schools and 6th form colleges and what previous experiences they have had in contacts with companies. Parents and siblings will also colour opinions.

23/10/2015 09:40

19

TRAINING

acrjournal.uk

Schools may view engineering as an “easy” route compared to academic pathways even though the requirements for maths, science and other skills are higher than ever. We have invited groups of teachers into the training centre, given them presentations on engineering and showed them what goes into engineering training and the sorts of things different trades would be doing.

There are perception gaps as some teachers may never leave academia in one form or another and go from school to university to a teaching career. As with apprentice training, employer engagement with schools may bridge this gap. Both parties may say “We can’t spare anyone” but there has to be a meeting of minds and mutual respect at some stage if schools are going to produce useful future employees and employers appreciate what hoops schools and colleges have to go through in order to bring their student up to the requirements set by ministers in order for them to keep funding.

Technology teachers are a possible route into engaging with schools and 6th form colleges as they may be more appreciative of what they are shown.

RECRUITMENT AND RETENTION

HETA recruit on behalf of their client companies or can filter likely candidates who will then be presented to companies for selection. As they are interviewed by engineering staff, we may have a better feel for suitability. Given the very high retention rate, HETA feel that they have taken the right approach. The interview looks for initiative, for knowledge of basic engineering concepts and an ability to express themselves clearly.

18-19 HETA.indd 19

Potential apprentices are invited in to practical workshop sessions.

Attendance at and performance in these also have a bearing on potential suitability.

HETA also offer traineeships to students who do not have a sponsoring employer. They cover exactly the same training pathway as sponsored apprentices and HETA actively seek employment opportunities, with very high success rates. These potential apprentices come “work ready” with both practical NVQ Level 2 and Level 3 technical certificate qualifications. We do this as some FE colleges back out of practical workshop training to offer classroom-based technical qualifications that are no real use without the practical skills to back them up. This training also eats into the funding that comes with school leavers, stripping away part of that funding and leaving a gap that has to be filled by completing practical skills training and assessment for an NVQ 2.

We do get students who are asking for jobs and looking to gain an NVQ 3 via an engineering apprenticeship with an employer but get told their technical certificates such as BTEC are no use unless they first undertake an NVQ 2 pathway. As funding has been used to get a Level 3 BTEC technical certificate, that student is less attractive to cost-conscious employers and engineering training providers. Exceptional candidates may get taken on and their employer may plug that funding gap but that is the exception rather than the rule.

WHAT DO EMPLOYERS GET?

What employers need to appreciate is that apprentices can

be a real asset if they are trained properly. Yes, there are hiccups on the way and yes, there is a possibility of losing a very small percentage on the way.

Employers need to check that the funding available is used correctly and that training providers are not picking the low hanging fruit of classroom-based teaching to access funding. The best route is still to pick early after GCSE’s or A levels to maximise training incentives.

MATURE APPRENTICES

Finally, what about “mature apprentices”? Unfortunately, the funding is often slewed towards young people and it is not an easy task to secure funding. We feel it is wrong to discriminate in this way as older workers may have a better attitude to work, be more focussed in their approach and generally progress faster through the NVQ assessment process. The only catch may be that academically they may struggle after being away from a learning environment for a period of time. This may be overcome by the use of internet access to learning resources at a training provider coupled with peer support and access to face-to-face or peer support. HETA have supported offshore workers in this way. www.heta.co.uk

23/10/2015 09:40

W O N !

D K E T I O M I O L B Y L E M E R T X E S E C A L P The 2016 National ACR & Heat Pump Awards has recorded its highest number of entries yet.

AWARDS SHORTLIST 2016 ACR COMMERCIAL PROJECT

NON DOMESTIC AIR SOURCE PROJECT

Well done to all finalists who have made the shortlist.

DOMESTIC GROUND SOURCE PROJECT

M&S Energy Roll out

National Grid Substation

New build of large house

AB Group & EBM Papst

Dimplex

Be Green

M&S Net

Logan Botanic Gardens

New Five bedroom home

AB Group

Finn Geotherm

Finn Geotherm

Sainsburys Co2 Refrigeration Assets

I-I-Ice Ltd

Dimplex Solution in Kincraig Geothermal Solar

AB Group

Edinburgh Zoo Mitsubishi Electric

Grand Designs NIBE Installation

AkzoNobel Building 141 I-I-Ice Ltd

Equinix Data Center Munters

Sainsbury’s RTMS Roll Out AB Group

Maurer Bakery Cascade Honeywell

DOMESTIC AIR SOURCE PROJECT Mitsubishi Electric Ecodan off grid Abel Environmental Services Ltd

Rebuild of Existing House Be Green

Mitsubishi Electric Renewables Solution Geo Warmth

NIBE Heat Pump in Norfolk RA Brown Heating Services Ltd

National Trust Installation

Specialist Mechanical Services Montrose Port Authority

Geowarmth

Foster and Partners

Trent & Dove Housing Association

Viessmann Ltd

Dumfries House Estate Dimplex

NON DOMESTIC GROUND SOURCE PROJECT 300 Year old barn Finn Geotherm

AV Dawson Steel Store

NIBE Installation in old farmhouse RA Brown Heating Services Ltd

Oil boiler replacement Stratford Energy Solutions Ltd

New Build in Tiddington Viessmann Ltd & Green ACT

HT Energy

First wall mounted GSHP onto market

Thameside Homes

Vaillant Ltd

Kensa Heat Pumps

Grade 1 listed country house

Huf Haus show home at Brooklands

Kimpton Energy Solutions

Viessmann Ltd

50,000 bird capacity poultry shed TGE Group

ACR PRODUCT Business Edge

Stiebel Eltron

Climate Zone ATU

Castle Howard Installation

Klimatherm – Gree

Stiebel Eltron

PV Centrifugal Chiller

WPL25AS Installation

Mitsubishi Electric

Stratford Energy Solutions Ltd

City Multi YLM Range of VRF

Gatton Barn Farm

Space Air (on behalf of Daikin Europe NV)

Viessmann Ltd & Matrix Energy Solution

Kensa Heat Pumps Ltd

VRV IV i-series

Toshiba SMMS-e VRF System

Silentair Combi AC System

SPONSORED & SUPPORTED BY

NACRHPA shortlist DPS.indd 20

26/10/2015 17:47

www

k u . s d r a w a p m .acrheatpu

HEAT PUMP PRODUCT

ACR ANCILLARY PRODUCT

Climaveneta SpA

Chillair

EWHT Water to Water Heat Pump

Ice COLD

DPAC UK Ltd - Thermocold

Geyser Thermal

MULTI TUBE Technology

Heat Recovery Unit

Earth Save Products

Javac

ESP Varimax Units

R32, R1234ze/yf service tools

Hitachi

Space Air

Yukati – S Combi Heat Pump

Range of 500 bespoke components

LG

IN SITU MONITORING

Therma V Monobloc Type Air Water Series

Business Edge

Mitsubishi Electric

ClimaCheck PA PRO Analyser System

Fifth Generation Ecodan Range

Daikin UK (on behalf of Daikin Europe NV)

Orangehouse Renewables ECOFOREST Heat Pumps

High Efficiencies of Hybrid System

Stiebel Eltron

Mitsubishi Electric

WPC 04-13 GSHP

Remote Energy Monitoring

Stiebel Eltron Brine Water Heat Pump

HEAT PUMP INSTALLER OF THE YEAR

Warmflow Engineering Ground Source Heat Pumps

Be Green

Space Air (on behalf of Daikin Europe NV)

Finn Geotherm

VRV IV i-series

Glevum Heating

REFRIGERATION PRODUCT Adande Adande Matchbox System

Blue Diamond The Arctik Blue Dairy Tray

A1 Engineering Solutions Emerald Hydrobarbon Glycol Plant Collaboration

Gram UK The SUPERIOR PLUS 72

Geowarmth Ground Heat Installations Ltd Matrix Energy Systems Bryan Jones, Total NRG (via Stiebel Eltron) TGE Group

ACR CONTRACTOR AB Group A1 Engineering Solutions Ryan Jayberg

WHOLESALER/DISTRIBUTOR OF THE YEAR CDL Climate Center RW Hawco Space Air

28th JANUARY 2016

Town Hall, Victoria Square, Birmingham, B3 3DQ NACRHPA DPS.indd 21

23/10/2015 15:38

22

TRAINING

November 2015

LG Opens Up New UK Training Academy t LG Electronics opened their new training academy in Weybridge in October. The ACR Journal team went to visit the new venue in Brooklands, Surrey and interviewed their Technical Manager, Mark Richardson about their courses.

Mark Richardson

Mr Ki Kwon UK President of LG performs opening ceremony

The Training Academy

T

he impressive new offices, right next to the historic motor racing circuit near Weybridge in Surrey, house an equally impressive new training academy that was opened on the day

by LG’s UK President Mr Ki Kwon. The centre includes areas for trainees to get ‘hands on’ with all the LG products – air conditioning, heating and the user interfaces that set LG equipment apart from its competitors.

Jody Lees, Head of Air Conditioning and Energy Solutions in the UK welcomed the visitors and, stressed just how vital training is to LG as part of the package it offers: “We’ve trained more than 3,000 people in the past seven years and in the past four years we’ve seen the number coming through our training courses almost quadruple.

22-23 LG.indd 22

This says a huge amount about where our priorities lie.

“We provide exceptional equipment and in order for this to deliver the performance and ongoing benefits to the end users who invest in LG quality, it’s vital that the equipment is installed properly and maintained to deliver the highest possible levels of efficiency.

“We want to see an ever expanding number of engineers coming on our courses and we provide this training free of charge.

It’s an integral part of what we offer and it’s vital that it’s taken up.”

The launch of the LG Si – Specialist installer - programme has moved the training agenda forward a number of notches, such

that the LG Distributor customers are arguably the most highly trained individuals in the sector.

This programme will continue to be rolled out in 2016 when LG will see large numbers of new engineers and an equally impressive number of existing team members heading back for further training and top-up training to keep them at the cutting edge of LG technology.

Visitors to the open day saw the full range of LG equipment as they were shown around the academy – including the Therma V ranges of air to water heat pumps which are taking the sector by storm, the Multi V VRF range of equipment, the engineered solutions on offer from LG and

26/10/2015 12:31

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TRAINING

acrjournal.uk

y to Help Installers and Contractors the wide range of user interfaces from simple controls to the most advanced options that can interface with the most complex of building controls systems on commercial properties.

WITH MARK RICHARDSON Will asked about Mark’s role and what it involves: I look after the technical department. I manage our team of field and office engineers.

Also, specialist installers and approved installers. I run the ‘man management’ of the technical department. To make sure we are providing world class customer service.

I do my share of commissioning and work with the sales team visiting consultants too.

With LG’s wide of heating and cooling solutions, it must be quite a challenge to keep the installers up to date with new products, solutions and changes?

The whole point of the academy is to improve the skills of our installers. And to show the structure we have in place to help and support engineers. But, also to show the technological advances of the products and where they have come from.

The VRF Multi IV we now have is a very high-end product which has developed over each version. We want to show installers where it has come from and to help support them going through the stages of the training.

We have dedicated courses to make sure the engineers have the right skills and they are ready to install the equipment in the field.

22-23 LG.indd 23

How experienced do engineers attending your courses need to be?

There is a wide range of skills and experience in the industry from the school leavers and junior engineers to engineers who have been in the industry between five and ten years. They might be installers but, for example, they might not have the skills to full diagnosis, fault finding and commissioning.

What skills are most of your customers asking for?

It’s the commissioning of products and the services we offer compared to other manufacturers.

What they use from our services, especially on VRF projects, we have a pre-commissioning inspection. We help them manage all VRF projects.

We do the commissioning visits for them, sometimes we charge.

Once they are commissioned, within 30 to 90 days we will do a post-commissioning visit which is free of charge to make sure the system is operating correctly.

However, it’s down to what customers want. We want to support them in any way we can.

Yes, this is a big topic.

Our monitoring and diagnostic tool, LG MV, comes in a laptop version which you can plug directly into the VRF unit. And we have WiFi version which works with Android and Apple smartphones.

These help the engineers understand anything which is either refrigerant or electronics based so they can monitor it. The LG MV works with the VRF products and Therma V heat pumps.

What extra can people coming on LG courses benefit from by coming on your courses?

They don’t have to come on courses to benefit from two recent announcements. We’ve introduced a 10-year warranty on compressors under 10kW. This reassures our customers. In addition, we now have a 7-year warranty on parts and labour for the Therma V heat pumps.

Find out more about the LG Training Academy here: http://w2u.eu/LGTRGAc

How much of your training is theoretical or practical?

For VRF, for example, the first day is very academic, including specification, and learning about the design features. It will help you about learning the system correctly.

The second day covers commissioning in the morning and troubleshooting systems in the afternoon.

Is that data side of your products and services becoming more important?

Showing how the GUI works

26/10/2015 12:32

24

COMPETITION

November 2015

OCTOBER WINNERS The winner of the Two-night break for two in a luxurious wooden pod in the October issue as Katie Williams, Service Coordinator at P&S Williams Refrigeration in Kent.

The runner-up for the Two Course Gastropub Meal for with Drink for Two was Stuart Lowe, Technical Engineer with Fred Shaw Ventilation Ltd in Huddersfield.

Welcome to our new Retreat competition, sponsored by Refcom.

The law now requires stationary RAC companies to have obtained full F-Gas Certification. If you’ve missed the deadline don’t risk prosecution, get registered now at www.refcom.com To demonstrate your commitment to best practice, you can also join voluntary registration scheme Refcom Elite.

There are some BRILLIANT competition prizes this month from Refcom, the UK’s leading F-Gas register.

Simply find the 12 words we’ve hidden in the word search for your chance to win.

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The winner of this month’s competition will win: Deluxe Spa Day at a Marriott Hotel for Two.

DEFRA ENFORCED ENGINEER

INDUSTRY JOURNAL LEGISLATION

One runner-up will win:

G

OZONE

L

REGISTER

Three Course Meal with Glass of Wine for Two at Prezzo.

Prizes may vary from that pictured.

CLOSING DATE IS 16TH DECEMBER 2015 Send your entry to: Competitions Department, ACR Journal, Warners Group Publications, The Maltings, West Street Bourne, Lincs, PE10 9PH 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

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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.

REFCOM COMP.indd 24

26/10/2015 17:49

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20/10/2015 14:31:12

26

TRANSPORT REFRIGERATION

November 2015

Refrigerated vehicles

contribute to thousands of deaths and costs across EU New pan European research shows the bad impact of unregulated transport refrigeration units

O

ne million refrigeration units creates an environmental and health impact equivalent to approximately 56 million diesel cars.

Toby Peters

26-27 Dearman_web.indd 26

Analysis undertaken by Dearman, the clean cold and power technology company, has highlighted the damaging economic, health and environmental impact that cooling of refrigerated vehicles is having across Europe.

The research, presented in Brussels on 29th September, found that the 1 million transport refrigeration units on European streets have the equivalent impact on air pollution as up to 56 million diesel cars.

Hundreds of thousands of refrigerated vehicles run on European streets every day – delivering cold and frozen goods to restaurants, supermarkets, warehouses, homes and hospitals.

Unregulated secondary diesel engines often power the cooling in these vehicles are which are inefficient and disproportionately polluting.

Transport refrigeration units can emit up to 29 times more potentially carcinogenic particulate matter and six times more NOx than far larger, modern diesel truck engines. They can emit up to 165 times as much particulate matter and 93 times as much NOx as the latest diesel cars.

A HIGH COST Launching the report in Brussels, Professor Toby Peters, Chair in Power and Cold Economy, University of Birmingham and CEO of Dearman, said: “Until now, nobody has given transport refrigeration units a thought. We all shop at food stores, eat in restaurants or have chilled and frozen food delivered, but the impact of transport refrigeration units has never been investigated, let alone addressed.

They are unregulated, use outdated, fossil-fuelled technology and are disproportionately polluting.

What’s worse, their pollution is concentrated on city streets where it does the most damage to our health.”

He added, “With 400,000 people dying prematurely every year in the EU as a result of air pollution, we simply cannot afford to ignore these hidden polluters any longer.

Awareness is growing and the policy landscape is just beginning to change,

but action is needed now to prevent further environmental damage.”

The research also finds that pollution from transport refrigeration units could cost EU countries 22 billion euros over the next decade, as the EU fleet grows by 20% to 1.2m by 2025. If nothing is done, the environmental and health impact of emissions will impose an annual burden of 2.5 billion euros by 2025.

This year alone, the cooling of refrigerated vehicles in the EU will emit 13m tonnes of CO2e; 40,000 tonnes of NOx; and 5,000 tonnes of particulate matter – equivalent to the emissions from 56 million diesel cars.

The report authors base their projections on a conservative assumption that the refrigerated vehicle fleet will grow by 1.5% per year. However, other studies have predicted that annual cold chain market growth could be as much as 12% YoY. The significance of refrigerated vehicles to modern supply chains is palpable – but with the growing popularity of online grocery shopping and the shift from outof-town supermarkets towards local convenience stores, demand for transport refrigeration – and its detrimental impact on air quality – is set to increase, unless a zero emission solution is adopted.

03/12/2015 13:57

TRANSPORT REFRIGERATION

27 acrjournal.uk

THE KEY FINDINGS OF THE REPORT: • 1 million transport refrigeration units currently operate in the EU (180,000 in Germany; 150,000 in France; 84,000 in UK) • Diesel transport refrigeration units in the EU produce an air quality impact that is equivalent to approximately 56 million diesel cars (10 million in Germany and 8.4 million in France) • Environmental impact is emission of 13m tonnes of CO2e; 40,000 tonnes of NOx; and 5,000 tonnes of Particulate matter (PM) • The environmental and health impact of emissions will impose an annual burden of €2.5 billion by 2025 • Transport refrigeration is currently unregulated, providing no incentive for innovation • Transport refrigeration units give off up to 29 x more particulate matter (soot, smoke and liquid droplets) and up to 6 x more NOX (Nitrogen Oxides) than a modern diesel truck engine (Euro VI) • That’s up to 165 times as much particulate matter and 93 times as much NOX than a Euro6 diesel car • A zero-emission alternative is to use a liquid nitrogen powered Dearman engine to provide both clean cold and power – a solution that creates no localized emissions and generates substantial CO2 savings

26-27 Dearman_web.indd 27

• Dearman’s transport refrigeration system will be in on road commercial trials in the UK later this year, with European trials set for early 2016. Commercial manufacture will begin in 2017.

Dearman has developed innovative, zeroemission technologies to deliver clean cold and power. At the heart of the Dearman technology portfolio is the Dearman engine. A novel piston engine harnesses the rapid expansion of liquid air (or liquid nitrogen) to produce zero-emission power and cooling for a range of applications, including transportation, buildings and food distribution.

Dearman is rapidly developing a range of applications for its technology. The most advanced is a zero-emission transport refrigeration system, which will help to significantly reduce emissions and meet fast growing demand for refrigerated transportation, without creating significant environmental consequences or burdening operators with additional operating costs.

Dearman’s system is expected to offer the lowest total cost of ownership on the market.

The Dearman transport refrigeration system is currently undergoing onvehicle trials, will enter commercial trials later this year, and will begin multi-country trials next year.

“WE ALL SHOP AT FOOD STORES, EAT IN RESTAURANTS OR HAVE CHILLED AND FROZEN FOOD DELIVERED, BUT THE IMPACT OF TRANSPORT REFRIGERATION UNITS HAS NEVER BEEN INVESTIGATED, LET ALONE ADDRESSED.”

Minister of State for Universities and Science, Jo Johnson, at the official opening of its Clean Cold and Power Technology Centre

03/12/2015 13:57

28

TRANSPORT REFRIGERATION

November 2015

How has F-Gas Legislation Affected

Transport Refrigeration?

Will Hawkins interviews Thermo King Marketing Director, Laurent Debias on this question and other differences between transport refrigeration and static refrigeration applications.

WHAT IMPACT IS ENVIRONMENTAL LEGISLATION HAVING ON YOUR BUSINESS?

Laurent Debias

28-29 Therma King.indd 28

F-Gas legislation not only influenced the static refrigeration but the transport industry too.

The overall EU target is to reduce the potential impact of F-Gas by 79% by 2030. Within the rules of the F-Gas, they set a Global Warming Potential (GWP) limit of 2,500 of it by 2020. But, and this is a high ‘But’ in transport is that is applies to systems above 40 tonne refrigerant charge equivalent.

If you have R404A, all systems with more than 10KG will fall under the new F-Gas legislation. For other parts of the GWP level, in transport, we were let off on this one, because most of the systems in the field today are below 10KG of refrigerant.

In a sense, the transport industry was not impacted by the GWP level of HFC. But, having said that, F-Gas is not only looking at the GWP level, it is also looking at how you handle HFC. So, if you service a system, you need to register what you are

recovering from the system, and you need to register the new charge you put in the system. There is a full aspect on the service side and our Thermo King dealers will need to register all of their HFC movement.

In addition, they will have to perform a yearly leak check on all systems.

We are impacted for part of the F-Gas but not for the time being (I am sure this will change), but not on the GWP level of the F-Gas. Having said that, at Thermo King and Ingersoll Rand we have our own commitment to reduce our greenhouse gas emissions, which includes the efficiency of the system, for our products by 50% by 2020.

We are also looking at how we produce our products. We aim to reduce our greenhouse gas emissions by 35% by 2020.

THAT MUST BE AFFECTING YOU THINK ABOUT YOUR PRODUCTS AND YOUR SERVICE BECAUSE THAT IS A BIG COMMITMENT? Yes, one immediate action we have decided that even though we are not directly impacted by the F-Gas legislation, as mentioned, we announced that we will launch a new refrigerant that will replace R404A

called R452A. We have worked closely with DuPont on the development of R452A for the last three years.

This refrigerant has a GWP of 1940, which means we are already cutting our potential emissions in half. We have introduced R452A on all our trailer products for the time being. Our truck range will also have use this new refrigerant.

We have also looked at how we can reduce the charge within our systems. By implementing new technologies, such as microchannels, even in transport refrigeration systems we have been able to reduce the charge in our systems by, on average, 30%.

If you add the 30% and the 50%, we have an average GWP reduction of 69%. We are well on track to deliver what the EU is expecting from the industry in 2030.

That’s not the end of the story and we continue to work on developments to reduce our GWP. But, we always need to look at the overall impact.

The industry is challenging and we need to create solutions which not only benefit the environment, but they are efficient and affordable for our customers.

23/10/2015 09:41

TRANSPORT REFRIGERATION

29 acrjournal.uk

IN THE CONTEXT OF THE INDUSTRY, MARGINS ARE ALWAYS TIGHT SO IT MUST BE A DIFFICULT BALANCE TO MEET FOR YOUR CUSTOMERS?

We need to think out of the box.

We’ve made a very nice first step using R452A and micro-channels.

This change made little change to the price of the new units. The units are a little heavier (15KGS).

However, we need to make it feasible to buy for our customers.

Three years ago, we showed a CO2 closed loop system. CO2 has a GWP of one, and other natural gases have very low GWP. But, all these natural refrigerant gases required a huge change in the refrigeration system; they had a big change on the efficiency. To make up for the efficiency loss of adding CO2 you need to add complexity to the system.

I am not saying that it adds a lot in cost but it destroys a lot of the efficiency because you need more power to run the new system. You need to find a balance.

We need to keep in mind the overall emission of our system.

R452A and micro-channel enabled us to have an immediate impact on our emissions.

But, R452A is a refrigerant which is useful for upgrading existing units. Customers can bring their existing R404A units to one of our dealers and they could upgrade it to the new refrigerant.

WHERE ELSE ARE YOU USING THE R452A?

Yes, we are using three refrigerants in Thermo King.

The most common is 404A. We use R134A as used in your air conditioning. And, R407C in our bus business.

THE PHYSICAL CHALLENGE OF ONE YOUR PRODUCTS ON A TRAILER IS MOVING AROUND. YOUR EQUIPMENT MUST HAVE TO BE ROBUST TO PUT UP WITH THE CONDITIONS. Yes, we have an R&D centre in Prague where we have a we have

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a ‘Multi-Axis Shaker Table’ to test our products through a one million kilometre test. We push to the extremes not only for leaks but also for the other components to ensure our customers enjoy the quality and reliability of the products for some years.

On average, you can see trailers running after nine years, or some of our customers are pushing to 12 years.

They have to put up with a lot of different conditions and that is a big difference between static and mobile refrigeration units.

Movement, yes, but our systems could run in Kuwait or Sweden.

And you could maybe tailor the offer for a customer who is not going to see temperatures of 45 degrees in Sweden. But, their units could travel from there to Spain or Morocco.

We put very high standards on our ambient conditions and the rules for our products ensure they run from minus 30 degrees to plus 55 degrees.

THAT’S PRETTY CHALLENGING TO TEST AGAINST AND PROVIDE A SOLUTION FOR?

Yes, and for some specific market demands, we have to restrict the ambient demands for some distribution. For example, if you have to reduce the noise level you have to further encapsulate the unit.

Another difference between transport and static is that most of the time a static application is that you know where it will be installed.

And, secondly, you know what the set point will be.

It’s static not only on where you know it is installed, and whether it is a deep frozen or fresh warehouse.

Our customers don’t just transport fresh produce, for example. They have to find what they can to transport and that might be frozen today and tomorrow it is fresh.

In that case, our customers have a set point that goes from +18 degrees to -30 degrees. That’s another challenge.

Imagine the challenge. In transport refrigeration, it is completely different set of challenges to the static market.

WHAT’S NEXT FOR THERMO KING?

It’s on everybody’s objectives to continue reducing emissions, from top to bottom. We’ve made this clear.

Thermo King also recently acquired Frigoblock. We believe this will help us to deliver an advanced portfolio for truck and trailer with non-diesel technology.

Some Frigoblock systems use a generator installed on the vehicle. That’s something in the future that we think will enable us to offer an advanced portfolio across the two brands on nondiesel technology.

We have a Cryogenic technology where we use technology that needs no compressor or engine. You use CO2 as the energy source. You expand liquid CO2 and remove the heat from cargo load. That is going well. There are logistic challenges. But that is another realistic solution in our portfolio.

We are doing the right things to tackle the future.

The Thermo King T1000R Spectrum uses R-452A

23/10/2015 09:42

30

REFRIGERANTS

November 2015

New kids on the

A-Gas Managing Director John Ormerod examines the credentials of new low GWP and energy efficient refrigerants XP40 and N40 John Ormerod, A-Gas Managing Director

T

here is life after R404A. If you haven’t done so, or are thinking of doing so, you should stop working with R404A – viewed as the go-to refrigerant by many over the past 15 years – as soon as possible.

The phase out of high GWP (Global Warming Potential) HFCs means that the door is closing on R404A and, while it is freely available at the moment, the trend going forward suggests it will soon become increasingly less so and in turn more expensive.

The real pinch points are still open to debate but to my mind it will be 2017 and 2018. There is a big problem looming and this will leave many with a decision to make on what they should do to replace R404A. Some end users are still sitting on their hands but there is a way forward and help is there.

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NEW ENTRANTS Up until now R407A and R407F (Genetron® Performax™ LT) have been popular alternatives to R404A but two new low GWP refrigerants have entered the stage and the good news is that these new boys can make a real difference to carbon footprint and energy efficiency.

Opteon XP40 (R-449A) and Solstice N40 (R-448A) are welcome additions to the refrigerants’ market place. They also have a lower GWP than R407A and R407F – around 1400 rather than 1800-2100, and can improve energy efficiency.

Although lower GWP has yet to emerge as a factor in refrigerant pricing, you can be sure it will be a selling point in the future.

Higher GWP gases will get more expensive and so that margin will grow in significance.

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31

REFRIGERANTS

acrjournal.uk

XP40 and N40 have a lot to be proud of. Their low GWP credentials – a more than two-thirds reduction on R404A – makes them an obvious choice for those considering a change of refrigerants. They are also very closely matched to R404A in terms of their refrigeration capacity.

They are suitable for medium and low temperature systems and it is fair to say that there is little between them in terms of performance.

TEMPERATURE ADVANTAGE A big advantage over R407A and R407F is that they have lower discharge temperatures. In some cases if someone was to switch from R404A to R407F they may need to do more than just change the gas and introduce some form of discharge temperature control on the compressors. You should not need to do so with XP40 and N40 in most cases, which in turn saves time and money where it matters.

This means the compressor is also likely to last longer. R407A and R407F discharge temperatures can be high,

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straying into that area where the compressor manufacturers begin to get a little nervous. For instance, at high temperatures the oil in the compressor can begin to breakdown which will have an affect on reliability.

In most situations with XP40 and N40, the discharge temperatures are well below 100°C and you will not slip anywhere near this dangerous territory.

MORE EFFICIENT Energy efficiency is also a plus point.

There are savings of between five and ten per cent to be made and if you are running a large supermarket or cold store operation this is not to be ignored. The bottom line benefits soon add up.

Large supermarket chains are already running trials to gain experience of using these new refrigerants. Reports suggest that they are going well and the rest of the supermarket industry is beginning to sit up and take note.

With the F-Gas Regulations taking a firmer grip on the industry there’s

no time to lose in switching to lower GWP refrigerants. Although, I am led to believe that contractors are still installing equipment using R404A – something I find puzzling with the ban on servicing high GWP equipment coming into effect in 2020.

Many industry commentators agree that there’s a major problem looming but some heads are still firmly stuck in the ground because shortages have yet to take hold.

2016 will soon be upon us and with it the first step down in the HFC quota. Refrigerant supply will be reduced by seven per cent and the following years will only see sharper falls.

So the big shock is likely to happen in 2017 or 2018. Shortterm thinking on refrigerant use is not the answer. The rate of change is speeding up and I believe in the next five years this will have the most profound effect on our industry. It’s up to all of us to ensure that we don’t miss the bus. www.agas.com

26/10/2015 17:51

32

REFRIGERANTS

November 2015

THE REPLACEMENT DILEMMA Since the 31st December 2014, it has been illegal to top up or replenish an AC system using R22 gas.

Many manufacturers have continued to supply spare parts for systems originally sold as R22 but with all sources of the refrigerant now banned, installers are facing a dilemma in how to deal with their customers who are still using these systems in their buildings.

Martin Passingham

H

ere, Martin Passingham, Product Manager at Daikin UK analyses the results of an industry survey demonstrating the impact of the R22 ban on UK AC contractors and the reasons behind the slow uptake of new refrigerants amongst a majority of customers.

Following the ban on replacing R22 refrigerant in existing air conditioning systems in January

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2015, replacement refrigerants such as R32 and R410a have slowly been increasing in popularity within the HVAC market. With much lower global warming potentials (GWP), the refrigerants are not only more environmentally friendly but they are also more energy efficient, resulting in a lower refrigerant charge and the potential to manufacture smaller units.

Although the phase down of high GWP refrigerants has been underway since 2000, the final ban on topping up or replenishing R22 in existing systems was expected to impact widely on the air conditioning sector and on all AC engineers using the refrigerant.

Eight months after the ban, Daikin UK undertook a survey of AC contractors and installers to establish the impact of the R22 ban, and to understand the barriers installers face when moving toward using new, lower GWP refrigerants.

SHEDDING LIGHT ON THE CHANGES Producing enlightening results, more than half of those surveyed believe the R22 ban is affecting their business, with more than

a third of all businesses under the impression that 50 per cent of their customers are still to convert their R22 systems to an alternative refrigerant.

Adding to this, the majority of installers conceded that their biggest challenge is that customers are unwilling to change their AC system at this time, with a shocking 78 per cent waiting for their existing system to reach its end of life or breakdown before considering a replacement refrigerant.

This is having an impact on the number of opportunities available for AC installers, as although many are ready and trained for using, for example, R32, the opportunities to upgrade systems from using older refrigerants are scarce.

“As well as being more energy efficient, R32 is a cost-effective replacement for R22 and as a single component refrigerant easier to reuse and recycle.”

26/10/2015 17:52

REFRIGERANTS

33 acrjournal.uk

COMPLIANCE CHALLENGES It also presents a compliance and legal issue for installers, as although it is legal to replace components of R22 systems such as for example, a compressor, recharging the system with new, recycled or reclaimed R22 refrigerant is illegal. This means there is a high risk of system failure as there are limited support options available to maintain well running R22 systems.

Customers therefore need educating on the benefits of upgrading to newer refrigerants such as R32 and R410a. As well as being more energy efficient, R32 is a costeffective replacement for R22 and as a single component refrigerant easier to reuse and recycle.

When considering the most important features of alternative refrigerants, opinions of installers were split; with 23 per cent believing energy efficiency is the

32-34 Daikin.indd 35

most important factor, and 23 per cent also considering affordability to be an important.

SPLIT ON SAFETY One of the most important findings of the survey was that only 15 per cent of respondents saw safety as an important consideration.

Categorised as an A2L refrigerant, R32 is as safe as many gases already used by a majority of installers.

With more than 75 per cent of installers choosing R32 or R410a as their preferred alterative, it is clear that installers are embracing the move toward more environmentally friendly solutions.

The difficulty the UK air conditioning sector now faces, is the challenge of leading customers toward more efficient refrigerants, rather than waiting for their current inefficient systems running R22 to break down.

As a forward-thinking manufacturer, Daikin UK is providing all of its installers with cost effective and highly efficient alternative refrigerant solutions and the necessary training to enable contractors to offer them to their customers. To assist contractors in persuading their clients to update their climate control systems with newer refrigerants, manufacturers should also be providing a range of training, information advice and documentation to help them make informed decisions for their clients.

In the meantime, its worth reinforcing the facts: end-clients can benefit from lower running costs over the lifetime of the system, extended warranties, renewed confidence in an effective system and a dramatic reduction in a company’s carbon footprint by choosing full replacement of their R22 systems.

27/10/2015 08:53

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20/10/2015 13:31:11

36

WOMEN IN ACR

November 2015

At 20 I started working for Pillinger Air, an Air Conditioning Contractor in Chester. My first role was as an office junior and the business was kind enough to pay for me to continue my education at Craven College, this time to secure an HND (Higher National Diploma) in business.

Are you a member of any industry associations?

Not applicable, although I am a member of Laithwaites wine club

Who do you work for?

Left: Katy Eccleston Head of Contractor Sales, Hawco Ltd

Name and job title Katy Eccleston, Head of Contractor Sales, Hawco Ltd

Education: Where did you study and what course/diploma/ degree did you gain?

Having studied for my GCSEs at Settle High School in North Yorkshire, I decided to continue my education at Craven College in Skipton. Interested in business I decided an Advanced GNVQ in Business Studies would be the perfect introduction to a successful career – although I wasn’t sure exactly what role I wanted to pursue.

36-37_Women in ACR.indd 36

I recently joined Hawco Ltd from Daikin UK. As one of the UK’s most successful supplier/ partners to the OEM refrigeration market, the opportunity and challenge at Hawco to expand the company’s presence and reputation among aftermarket contractors was too good to turn down. The move also means I can gain knowledge and experience beyond Air Conditioning with the businesses leading portfolio of Refrigeration products. I’m responsible for the North of England and also manage a great team of Contractor Sales Engineers across the UK.

What attracted you to the industry?

At Pillinger Air I worked my way up through internal sales/ quotations and then finally into a field sales role at Daikin.

David Petty was my influence

and mentor in the early days and encouraged and supported me to progress. I loved being out on the road in a customer facing role. The people working in the industry are great and the friendships and contacts I have developed over the years has helped to continue my passion for the industry.

What do you specialise in now?

Or, what type of projects do you work on?

I specialise in Air Conditioning having had 12 years’ experience within the industry. At Daikin I was involved in everything from splits for a chain of shops or restaurants to a full VRV project in a multi-level building, and although I’m keen to continue my work with AC, I’m also excited about working on a variety of new projects.

What do you know now about the industry which you wished you had known before?

The speed at which the next generation of refrigerants is evolving. Before I came to Hawco my focus was in Air Conditioning, which only used three main refrigerants at the time, compared to almost three times that used in refrigeration.

What excites/interests you about the industry and your part in it now?

The diversity of customers and projects.

26/10/2015 13:59

37

WOMEN IN ACR

acrjournal.uk

What would you say to other women who are considering coming into the ACR industry?

I would say the same to anyone thinking of entering the industry, male or female. Every day is challenging and different, no application has the same requirements or outcome. Be ready to work hard, adapt to the

needs of your client, and don’t be put off by the competition. If you’re hard working, love meeting people and forming relationships that last, I would recommend a field sales career in the industry.

It’s highly rewarding and the technology is constantly changing, keeping you on your toes!

downturn was a big challenge for the industry as a whole, as it caused a reduction in new buildings - but in any job there are going to be situations that are out of your control. It’s important to remain positive.

A good attitude can see you through.

Where do you see your career developing?

What are the benefits of being in your role (e.g. travelling, variety, monetary?)

My focus for the moment is developing Hawco’s contractor sales across the UK, but in time, who knows. I’m an ambitious person and will continue to work my hardest to achieve my goals.

What are the challenges of this industry?

The changes in environmental legislation can be challenging, especially the R22 ban and transitioning into R407c and then R410a. The economic

I enjoy how varied my role and the people I work with are. At Hawco I’m involved in our marketing efforts and even the product lines we stock. One day I could be in the office working on our latest advertising campaign or meeting with my team of field sales engineers, the next I’ll be on the road visiting customers, contractors on site or even visiting a supplier’s factory in Europe with clients.

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26/10/2015 13:59

38

RETAIL

November 2015

HOW FOOD SAFE IS YOUR LUNCH? Catarina Marques, from Adande Refrigeration, recently presented a paper on minimising food moisture loss in professional cabinets at the 24th IIR International Congress of Refrigeration in Yokohama, Japan.

The congress also held a debate on the cold chain, food quality and food safety. Catarina examines the issues relating to the refrigerated display of food to go in the grocery sector.

S

Catarina Marques

ustained growth in the chilled snacking market, together with consumer appetite for increasingly varied and exotic food to go, has led to a much broader offer from supermarkets, convenience retailers and forecourt outlets.

A typical retail refrigerated snack cabinet will now display a wide range of sandwiches, wraps, savoury pastries, pasta dishes,

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salads and even sushi. Many of these snacks contain high risk ingredients, such as pork, poultry, fish and salad. Invariably, these foodstuffs will not be re-heated prior to consumption, meaning that storage and display at the correct temperature is critical to food safety and quality.

Nobody wants to eat a salmon sandwich or sushi, which has been stored at too high a temperature and is liable to the proliferation of harmful bacteria and toxins. At the other end of the scale, a salad or pasta dish, in which ice crystals have formed will be equally unpalatable.

WHAT DO THE RULES STATE? EC Regulation 852/2004 and The Food Safety and

Hygiene (England) Regulations 2013 state that foods likely to support the growth of pathogenic micro-organisms or the formation of toxins should be held at or below +8°C. Some authorities, including the Australian Victoria State Government, advocate that the maximum storage temperature for high risk foodstuffs should be lower at +5°C. The majority of refrigeration equipment manufacturers and grocery retailers accept an operating temperature range of -1°C to +7°C (M2) as safe and suitable for the display of chilled snacks, but to eliminate the potential for ice crystal formation it is preferable to avoid sub-zero temperatures.

27/10/2015 08:51

39

RETAIL

acrjournal.uk

“THE HIGH INTEGRITY OF THE AIRCELL MULTIPLE AIR CURTAINS SIGNIFICANTLY REDUCES COLD AIR SPILLAGE FROM THE CABINET, REDUCING ENERGY USAGE BY UP TO 30%.”

TIGHT TEMPERATURE CONTROLS However, research in the foodservice sector, including trials at Westminster Kingsway College, has demonstrated that food held at a tighter and more stable temperature range will stay fresh for longer periods.

In terms of the retail snacking market, this translates to a more enjoyable product for the customer and less merchandise price discounted or thrown away due to deterioration in quality or appearance. To compound the issue we are also aware that some snack food refrigerated cabinets on the market did not achieve the appropriate M2 operating temperature range of -1°C to +7°C. To establish the facts, Adande commissioned independent like-for-like tests to compare the temperature range of a standard open front multi deck refrigerated cabinet with that of a similar case modified with the Adande Aircell air flow management system. The

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trials were carried out under BS EN ISO 23953, which is the accepted industry standard for the testing of refrigerated display cases, at ECH Engineering’s state-of-the-art laboratories near Bristol.

After stable state running for 24 hours, the temperatures of product packs in each case were monitored over a further 24 hour cycle. The case modified with the prototype Aircell system demonstrated a 40% narrower temperature range than the standard model, with no product pack readings recorded in the warm zone, which supports bacterial proliferation, and no readings in the sub-zero zone, which causes ice crystal formation.

By contrast, product pack temperatures in the standard case included measurements in both the dangerous warm zone and the sub- zero zone.

SAVING ENERGY TOO In addition to its accurate and stable temperature

characteristics, Aircell also demonstrates significant energy savings compared with conventional open front multi deck refrigerated cabinets.

The high integrity of the Aircell multiple air curtains significantly reduces cold air spillage from the cabinet, reducing energy usage by up to 30%. Because Aircell reduces the spillage of chilled air from the cabinet, the impact of cold aisle syndrome is substantially limited for an improved environment for shoppers and staff. It also reduces retailers’ dependence on heating regimes and cold air retrieval systems.

Dr Catarina Marques is Research & Development Manager at Lowestoft based Adande Refrigeration and is also a Knowledge Transfer Partnership Associate at London South Bank University. She is a graduate in Food Science and Engineering at the Polytechnic of Coimbra in her native Portugal.

27/10/2015 08:51

40

COMPANY PROFILE

November 2015

“THE ENGINEERING QUALITY, INNOVATION AND BRAND STRENGTH OF TOSHIBA ARE SUPERB, AND IT IS THE BEDROCK OF OUR BUSINESS GROWTH AND SUCCESS”

Pioneering air conditioning distributor among UK’s fastest growing companies Since launching in 2002, air conditioning distributor Cool Designs Ltd has carved out a distinctive niche in the UK market.

POLICY LEADER

Darrel Birkett

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In addition to achieving near-meteoric growth (it is among the fastest-growing 50 companies in the North East), the company is something of a pioneer in the field of environmental policy, being the first UK distributor to become a certified carbon neutral business – ahead of the leading manufacturers.

“All our discussions with customers tend to focus on the efficiency of equipment and its environmental performance. It seemed at odds with the distances our products were shipped – by sea and land. We wanted to do something to offset this, so we

could hold our heads up in these discussions,” says Darrel Birkett, the company’s founder and owner.

CDL supports forestation projects in Tanzania, authenticated

by The Carbon Neutral Company, as well as planting and managing its own woodland in the UK. It has also taken a leading role in implementing F-Gas policy, requiring customers to provide proof of refrigerant handling competence before this became a mandatory requirement across the European Union.

This proactive stance has helped CDL secure coveted industry awards for Distributor of the Year Award on more than one occasion.

GROWING PRESENCE

The company’s branch network has also grown rapidly. After being established in Sunderland, the company soon expanded with a branch across the Pennines in Warrington. Since then, growth has

seen further expansion both north and south, with a branch in East Kilbride and – most recently – in Cannock, opening the way to the south and London.

Turnover in its first year was £650,000. This year, sales will be in the region of £10m. The husbandand-wife-led launch team has grown to a staff of 20 people. Key to success has been the choice of strong brands and a commitment to excellent service.

Toshiba is the mainstay for CDL at the premium end of the market. Its best-selling systems are Toshiba’s Digital Inverter wallmounted units and cassettes.

“The engineering quality, innovation and brand strength of Toshiba are superb, and it is the bedrock of our business growth and success,” says Darrel.

It also supplies Panasonic and Fujitsu, which provide a value midrange option, and fill in some gaps in its offering.

23/10/2015 09:34

41

COMPANY PROFILE

acrjournal.uk

CDL support for air conditioning projects

SKILLS LEADERSHIP Training is a priority for CDL, and it now operates three fully-equipped training centres around the country. With a combined capacity of 30 places, it aims to train some 200 engineers each year – making it one of the leading providers among distributors.

Its growing online library of

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16th - 18th FEBRUARY 2016 HALL 9, NEC BIRMINGHAM www.acrshow.com

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business to be in,” says Darrel.

“We are optimistic about the future and the prospects for continued growth. Our business is built on strong relationships, with both customers and suppliers, and a willingness to go the extra mile.

We believe excellent products supported with great service is a winning formula.”

THE FUTURE IS HERE

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training videos offers a 24/7 resource for engineers, that over time is building into a valuable industry resource.

While splits and VRF systems account for the bulk of sales, CDL also offers chilled water solutions, with access to Carrier chillers, fan coils and air handling units.

“Air conditioning is a good

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Ventilation

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26/10/2015 17:58

42

OUT AND ABOUT

November 2015

Out and About with Will Hawkins

TQ Environmental

This month, Will Hawkins, went to see Jenny Boucher and Gary Hall at TQ Environmental, the leak detection experts in Wakefield, to learn about their history and their future.

T

Jenny Boucher and Gary Hall

Q Environmental has been in business for 25 years designing, creating and installing its gas leak detection system into ships, hotels, factories or retails stores.

Anywhere, in fact, that uses systems containing refrigerants or other gases that could cause harm to humans or equipment if they leak and it went undetected.

The business started out selling other company’s products mainly into the marine sector. When customers starting asking them for solutions which didn’t exist but were in demand, they started making their own products. The shipping sector tends to order five years ahead in US dollars which

42 Out & About.indd 42

made for interesting challenges dealing with currency exchange changes. Furthermore, relying on the shipping industry entirely made the business vulnerable to downturns in the sector.

But, hotel rooms have particular challenges with refrigerants. Many deodorants, for example, use R410A as the propellant and so TQ puts leak detection systems under beds to avoid false alarms.

DIVERSIFICATION

SERVICING

Understandably, TQ Environmental decided to diversify their business into land-based markets to ensure their business could survive.

Niches included refrigerants, such as leak detection for applications using ammonia.

Retail refrigeration is an important sector for the business which includes leak detection for Morrisons across the UK. TQ has trials happening in other UK supermarkets too.

TQ Environmental has grown in spite of the recent recession, in part due to their work with some of the large supermarkets who installed leak detection into their stores.

The hotel industry is another sector where Gary and Jenny are developing their business.

Leak detection is an increasingly interesting sector where customers want to look after their guests’ safety. Detecting refrigerant leaks from the air conditioning systems gives hotel owners peace of mind that they are providing the best environment they can.

TQ’s skills and experience are so developed that the business is now servicing their competitors’ leak detection equipment too.

Given the amount of servicing they do for customers as part of their contracts, Jenny and Gary hired a technical expert to manage their service business. As a result, their service business doubled and they hired another service manager to handle the amount of business.

The company looks and feels set to continue its success. TQ is part of a ‘Growth Accelerator Scheme’ to help Jenny and Gary move the business forward. And, they are hiring apprentices too to help them pass the skills and experience on from their loyal employees to the next generation of leak detection experts.

TQ Environmental has a strong pedigree in its field. Despite their low key, unassuming nature, Jenny and Gary have forcefully changed the business to secure its future by being laser focused on their strengths and how they can help their customers.

26/10/2015 12:32

43

CONTROLS

acrjournal.uk

Comfort under

Control

O

rbital Climate Solutions, who install bespoke air conditioning and ventilation systems across London and the South, worked closely with the home automation specialists IntelliCasa, to deliver a first-class climate control system that provides discrete comfort for the homeowner whilst matching the high end refurbishment of the 5-bedroom home.

Award winning IntelliCasa specialises in home automation systems for discerning private clients and has a mission to allow customers to take advantage of the most cutting edge technology today.

“It was essential that we delivered an air conditioning system that was compatible with the sophisticated automation system IntelliCasa were installing”, explained Brett Strivens, Managing Director at Orbital.

“We listened to what the client wanted and our design team looked at all the different manufacturers to find the best solution.

“The M Series from Mitsubishi Electric proved perfect because it would deliver the right climate to the environment and offered the option of the MELCloud Wi-Fi controller which we were able to integrate into the Intellicasa control system”.

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Orbital installed the M Series outdoor unit on the roof and used ducted indoor units behind discrete plastered-in grills to deliver air conditioning to the property.

The Orbital team had to stick closely to the overall refurbishment schedule, whilst working closely around the other construction specialists on site as the refurbishment of the home was taking place.

A close relationship with both the IntelliCasa team and controls specialists at Mitsubishi Electric helped ensure that the integration

A prestigious and modern North London property is now benefiting from Wi-Fi controllable air conditioning that links to a state-of-the-art automated home system to provide cost effective and energy efficient comfort all year round. of the air conditioning into the home automation system went smoothly.

“The homeowner was looking for first class climate control without affecting the aesthetic look of the high end finish throughout the property and the fact that we were able to use MELCloud to make the air conditioning work seamlessly with the rest of the high tech equipment really made the difference”, explained Brett Strivens.

26/10/2015 12:51

44

MANIFOLDS

November 2015

ENGINEERS, IS IT TIME FOR A MANIFOLD UPGRADE?

Things are slowing down slightly and the planned maintenances are now taking up the time of many engineers up and down the country.

Leaving fridges and cellar coolers on defrost is common place, so what to do with all this spare time on your hands. Obviously the café is the best idea but a good van clean out and tools check over can be very beneficial!

Manifolds are the most common used item on an engineer’s kit and let’s be honest we want these to be in top condition due to the pressures they have to deal with.

Any manifold which is looking a bit aged and has seen a good life and fell off the top of a fridge a few times should really be upgraded.

WILL MY CURRENT MANIFOLD SUIT R32? NO!!!!

We will see a new range of manifolds available in 2016 to keep up with the ever increasing refrigerant ranges.

One of the biggest on everyone’s lips will be is what changes will be happening to manifolds when the mildly flammable R32 gas is common place.

For the REFCO range from JAVAC our manifolds will see changes to the scales to suit R32 and R410a.

All manifolds will be dual scale with R32 and R410a on the HP and LP gauges. The body of the manifold itself will be available with and without a sight glass and as always we will have this available in two valve and 4 valve in a case with hoses.

All R32 A/C equipment will have fittings of 5/16th male flare. This is the current standard for R410a systems. This been the case means that all R32 manifolds will have hoses with 5/16th connections on one end which will fit all systems for R32 and R410a. The 3 hoses will consist of a Blue Red and Yellow hose.

The yellow hose will also remain the same and have ¼ x ¼ connections to fit bottles, vacuum pumps and recovery units.

reasons why standard refrigerant manifolds should not be used for pressure testing.

The main reason is that sight glasses can rupture under excessive nitrogen pressure.

The reason they can rupture is that manifolds have rubber seals, rubber seals need to be lubricated to work efficiently. Nitrogen blasted through a manifold will dry these seals out, dry seals will then split, crack and move thus exposing the valves and sight glasses to 40+ bar of nitrogen! Not good!

USE THE RIGHT PRESSURE TESTING MANIFOLD

There are now manifolds available which are specifically designed for nitrogen pressure testing.

The JAVAC PVR is specifically designed for this as it uses Teflon style piston valves and also does not incorporate a sight glass.

CAN I USE MY R32/R410A MANIFOLD TO NITROGEN PRESSURE TEST? NO!!!

You wouldn’t believe how often we hear excuses from engineers about why they used a standard refrigerant manifold to nitrogen pressure test. We have written numerous articles on the

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MANIFOLDS

acrjournal.uk

The PVR also comes with stainless steel braided hoses rated to 250bar with adaptors for R410a systems.

This also eliminates the chances of over pressuring the manifold to almost zero.

WILL DIGITAL MANIFOLDS INCORPORATE THE NEW GASES? YES!

Some Digital manifolds for 2016 will now incorporate the new flammable refrigerants this includes R32, R600, R290, R1234YF, R1234ZE plus other non-flammable new refrigerants.

Basically if the refrigerant is on the manifold database then the manifold and its hoses are completely safe to use. Subcritical CO2 is also now a standard refrigerant on digital manifolds.

Please be aware that Transcritical will not be featured on any digital manifolds unless otherwise stated. This is due to the operating pressures in excess of 100 bar.

valve, this ball valve will however be located 6” back from the end of the hose connections.

This offers the user better access into valves on A/C systems where space is an issue. Hoses with standard ball valves directly on the end of the hose can sometimes be tight when connecting to the valve. Where possible I would also use ball valves as extra safety from refrigerant burn on hands even though apparently every engineer wears Gloves!!!!!

“MANIFOLDS ARE THE MOST COMMON USED ITEM ON AN ENGINEER’S KIT AND LET’S BE HONEST WE WANT THESE TO BE IN TOP CONDITION DUE TO THE PRESSURES THEY HAVE TO DEAL WITH.” For any technical questions regarding manifolds and the new gases which they are compatible with, please contact Scott Davies: scott@javac.co.uk

WHAT HOSES CAN I USE FOR THE NEW MILDLY FLAMMABLE REFRIGERANTS?

Refco manifolds for the new mildly flammable refrigerants including R32 will be supplied with standard refrigeration hoses, the only difference been that the hoses will have 5/16th connections on one end.

Hoses are now also designed to fit into tight areas when the hose has a ball valve fitted. These hoses are standard hoses 36”, 60” or 72” long. On one end there will be a ball

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23/10/2015 09:31

Premium AC Tooling from

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20/10/2015 13:49:23

47

CONTRACTOR’S SIGNPOST CORNER

acrjournal.uk

The Ice Men are back with our latest AdvICE column, offering professional advice on a wide range of topics across the air conditioning industry.

T

his month, we’re looking at frameworks and how you can stay safe on the job.

Q: I am looking to support condensers on a roof top and have been advised to try and make up my own framework with feet and slotted channel, would this work?

A: As a distributor, we are approached frequently by engineers who are looking to create their own bespoke framework. Engineers are completely entitled to design their own frameworks on sites in this way, but as a distributor we would strongly advise against this for health and safety reasons. In 2013, we became the only Flexi Frame Accredited Distributor with Pump House and we believe that using frameworks such as theirs is the safest and most efficient way to support condensers on a rooftop.

When you are supporting thousands of pounds worth of equipment on site, we would always recommend using a product that has had years of research and development put into it. There are various elements you have to take into account when mounting equipment on a rooftop such as wind, roof shape and weight of equipment. Using an approved and accredited framework is certainly the safest way to ensure your equipment is mounted correctly.

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Q: How do I ensure the condenser is level on a typical flat roof?

A: It is vital to ensure that your condensing units are installed level and securely. Creating your own framework with standard feet is okay however you cannot ensure it is level if the roof surface is not. One of the best ways to get around this is to use a Pump House Flexi Frame.

The Flexi Frameworks come complete with adjustable feet so you can ensure your condensers are level on rooftops.

The Frames are available as two main components Base Frames and Extender Frames, and these can be structured and bolted on to suit any size and quantity of condenser.

Pump House Flexi Frames are comprised of: ₀ 40 X 40 X 3 Box section ₀ 41 X 41 X 2.5 Slotted Channel ₀ 365mm Polypropylene feet ₀ 48mm/3mm steel tube with M24 Stud for height adjustment and levelling

Q: Will my Condenser be susceptible to Wind Loadings on site?

A: This is really dependant on the location of your condensing unit as the wind loading will vary depending on this. If your condensers are on an open

flat rood for example, the wind loading will be greater.

The use of a Pump House Flexi Frame is a good way to prevent your condensers from blowing and succumbing to wind loadings.

They are designed to withstand typical UK wind speeds by offering a large, stable framework base, however we would always recommend checking with a consultant or ourselves if you are unsure on the feasibility of using a framework.

TF Solutions are the only accredited Flexi Frame Distributor, if you would like any more information on the range please contact us.

We hope that you’ve found this month’s tips helpful. Please keep sending your questions to sales@tfsolutions.co.uk or give us a call on 0161 429 5917 and we’ll be happy to answer your questions in our next column.

Pump House

Range

Accredited Distributor

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48

HEAT RECOVERY

November 2015

How A Yorkshire Farm Shop Uses Refrigeration to Supply Hot Water

When is the last time you went into a farm shop and thought ‘This is amazing’?

T

hat was the case when I visited Keelham Farm Shop on the outskirts of Skipton, Yorkshire. David Haughton and Ken Riley from DK Heat Recovery invited me up to see how they are helping this outstanding farm shop use heat recovery from its refrigeration systems to generate hot water and heating to save hundreds of pounds a month off their energy bill.

By Will Hawkins - Editor

Keelham Farm Shop is a privatelyowned business with two shops in its group. The owners supply the shops from their own farm and 400 other local farms. The Skipton shop is an impressive building which includes the shop, a cafe and restaurant, bakery, flower shop, butchers and an ale house. It opened in June 2015 and its owners were keen to ensure that it was environmentally friendly and efficient.

It is a busy place with shoppers and visitors to the cafe. The shops has a range of retail refrigeration pack systems for the fresh produce, which Franchill installed and commissioned.

The shop needs not only refrigerated produce but also hot water for the kitchen, butchery and wash rooms.

In addition, the offices need heat to keep them comfortable.

THE HEAT RECOVERY SYSTEM Heat from the refrigeration systems is recovered using three DK Heat Recovery heat exchangers

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in a 750 litre storage tank provides 24kW of heat recovery. DK’s system can provide over 500 litres of hot water per hour. For the heating system, there is a 300 litre buffer tank which includes a 12kW heat exchanger.

Ken Riley explained that the DK heat exchangers have a patented design which separates the refrigerant from the water.

This means it meets the EN1717 legislation, which is required for businesses handling food.

The heat exchanger’s simple design is effective. It can remove up to 100% of the heat produced by the refrigeration plant. However, at the Keelham Farm Shop, David said they use only about a quarter of the heat available. The team at Franchill were keen not to ‘over-condense’ the system and affect the compressors. The heat recovery system was designed to avoid that and be the slave to the refrigeration plant.

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HEAT RECOVERY

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HOW QUICKLY WILL IT PAYBACK?

To keep track of costs, the owners asked for a heat meter to be fitted so they could keep an eye of the amount of hot water being used. Since installing the heat recovery system, the farm shop has saved around £500 per month on its energy bills.

Heat recovery systems like this can pay for themselves quickly.

Payback for hot water systems is usually between two and three years, according to Ken. The best results they achieved on a heat recovery system was 171 days. Payback for heating systems is usually between five and six years. It takes longer because it is not used all year round.

The Keelham Farm Shop system for hot water will pay for itself within two years. In its first four weeks of trading, the DK heat recovery system saved 4,700 kWh and provided 140,000 litres of hot water. And, its carbon footprint has dropped by 25 tonnes a year.

WHY IS HEAT RECOVERY NOT MORE WIDELY USED?

Heat recovery is popular with food retailing businesses. They usually need lots of hot water water and they have a heavy refrigeration demand. Heat recovery in Europe is used more widely than in the UK. That’s partly because fossil fuel prices have plummeted recently because of the amount of shale gas available on the market.

Also, the UK government focuses on subsidies for renewable power generation and renewable heat.

There is no focus on heat recovery or energy reduction, which is puzzling, at best.

On top of that, most food businesses, especially supermarkets, do not want to spend their capital budgets on energy saving equipment which does not provide returns now. Why? Because they are always short on capital budget, which means they prefer to invest in projects which increase their production.

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Details

BIOMASS

PV PANELS

HEAT RECOVERY

Capital Cost

£120,000

£62,000

£27,000

Annual Energy Saving

£20,613

£4,105

£10,185

Government Subsidy (FIT/RHI)

£20,613

£5,417

Pay Back (Months)

65 Months

80 Months

32 Months

5 Years

£15,285

£32,160

£23,925

20 Years

£293,910

£45,045

£176,700

5 Years

13%

52%

89%

20 Years

245%

73%

654%

Pay Back

Return On Investment

Table: Does not consider system maintenance, Climate Change Levy, increasing energy costs. RHI and FIT are reducing However, with heat recovery, as mentioned above, paybacks can be surprisingly quick. And, businesses can pay for their energy once and use all of it or most of it twice. Installers who understand the principles of heat recovery, and that they can help their customers get free hot water, stand to do well out of the technology.

It is relatively simple to connect to existing refrigeration kit. The equipment can be installed in winter in the refrigeration and air conditioning ‘off-season’, providing additional business. And, the margins are pretty good too, apparently.

BENEFITS WITHOUT THE RED TAPE

Keelham Farm Shop is benefiting well from heat recovery. There’s no RHI subsidy for this installation, but it does not matter. This Yorkshire business is driving costs out of its business and providing great value to its customers (A huge punnet of English strawberries was only £2, for instance).

With some clever DK Heat Recovery kit, the owners are not making use of the heat from the cooling to keep their customers comfortable while the produce stays fresh. It is the laws of physics at work without having to fill out the paperwork associated with the Renewable Heat Initiative.

That’s smart thinking of the freshest kind.

23/10/2015 09:30

50

LEGIONELLA

November 2015

How to Answer Customers’ Questions on

Legionella and Air Conditioners

Air conditioner contractors need to be aware of the facts of Legionella and how to communicate them to customers, as Tony Ellerker of Blakes M&E Building Services explains

I

f there’s one thing you can be sure of with regard to your customers, it’s that they know how to use Google.

Just as doctors meet plenty of people who have convinced themselves they have cancer, and most car salespeople have dealt with the buyer demanding they match a deal he found online, an ACR contractor now must be ready to reassure the smartphonewielding customer that a system is safe from whatever faults he or she may have read about.

With air conditioners, the Google problem is Legionnaires’ disease.

Enter a search like ‘air conditioners legionnaires’ or ‘air conditioners legionella’ and you’ll see no shortage of words on the subject.

If you’ve seen these, it’s a fair bet your customers have. Here are some of the questions you can expect to get asked, and how best to respond.

“I’VE READ THAT AIR CONDITIONERS CAN CAUSE LEGIONNAIRES’ DISEASE, IS THAT TRUE?” Short answer: no. Legionnaires’ disease is caused by the Legionella bacteria, which multiply and spread in contaminated water. When this water disseminates into the air as droplets and is then inhaled, it can cause the disease. However, as conventional air conditioners do not have water inside their systems, they are not likely to be

50 Blakes.indd 50

the source of the bacteria.

The worst an air conditioner will do is disseminate alreadycontaminated air throughout a building, which is only an issue with systems designed for larger buildings such as offices. It is a myth that air conditioners in any way “cause” Legionnaires’ disease.

“SO HOW DO I MAKE SURE I DON’T GET THE DISEASE?”

First, remember that Legionnaires’ disease is rare. It can’t transfer from person to person, and it’s perfectly possible for someone to be exposed to the bacteria without actually catching the disease.

With that said, there are plenty of sensible cautionary measures that can be taken in order to minimise the risk of the Legionella bacteria spreading through a building. The most important thing is to look at the water system – is the water being stored at temperatures between 20 and 45 degrees centigrade (optimum Legionella breeding conditions)? Is it routinely circulated? Is it rusty, or sludgy, or filled with organic matter and mould? These are all things that can allow the bacteria to multiply.

It’s important to remind customers that any new system is very unlikely to have any bacteria inside it, and therefore a new air conditioner won’t make them ill. What allows disease to spread is a badly maintained system with rust and dirt building

up inside it. There is no substitute for rigorous regular maintenance and the implementation of sensible precautions. In the case of a domestic water system, making sure the water is regularly heated to above 60 degrees centigrade is an excellent start.

“HOW WOULD I KNOW IF I DID GET IT?”

The symptoms, though somewhat flu-like, are quite specific. Most commonly a sufferer will experience fever, chest pains and a cough, and also might encounter achy muscles, headaches, tiredness, a confused mental state, chest pains and shortness of breath. Advise customers to book in with a GP if a combination of these symptoms starts rearing its head.

It’s a complex topic, and you never know what a customer might ask next, but if you stick to these key points then you should be able to reassure even the most avid Googler that their air conditioner poses no risk.

ABOUT THE AUTHOR

Tony Ellerker has worked in the building services and construction industry for over twenty years. He is currently the director of Blakes M&E Building Services, who provide pre-planned maintenance, reactive repairs and installations of all mechanical and electrical systems throughout London and the South East.

23/10/2015 09:28

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52

HEAT PUMP NEWS Sponsored by

November 2015

DAIKIN UK’S ALTHERMA FLEX TYPE QUALIFIES FOR NON DOMESTIC RENEWABLE HEAT INCENTIVE Daikin UK’s air-to-water heat pump, Altherma Flex Type, has become one of the first in the UK to qualify for the UK’s non-domestic renewable heat incentive (ndRHI). The innovative large-scale heat pump system installed in the headquarters of Barkwell Plumbing and Heating in Okehampton, Devon, will receive the financial incentive in the form of quarterly payments over a 20-year period.

T

he UK’s non-domestic RHI was first introduced in November 2011 and later amended to include additional technologies such as air source heat pumps in May 2014. The incentive aims to encourage industrial, business and public sector organisations to generate and use renewable heat within their buildings.

In order to qualify for the incentive, the design Seasonal Performance Factor (SPF) of the Altherma Flex Type system installed at Barkwells had to be calculated. This was estimated to be 3.0, exceeding the minimum requirement of 2.5. As per ndRHI guidelines, heat and electric meters were fitted to measure the amount of energy generated and consumed.

The Altherma Flex type system is able to produce water temperatures up to 80°C and is suitable for a wide range of applications from schools to hospitals and offices. Systems can be cascaded together to supply buildings with large heat demands of several hundred kilowatts.

Robert Barkwell, who heads the family business BJ Barkwell & Sons, says, “We were very interested in installing a renewable

solution that would provide an opportunity to apply for RHI funding, and we felt Daikin offered the best solution.

“Mains gas was in place but we wanted to demonstrate that there is an alternative. We wanted to prove that renewable technology will only benefit our business in the long term.”

Stuart Gadsden, Renewables and Heating Product Manager said: “We hope this will encourage new and current users of the technology to take advantage of the scheme which is currently rewarding renewable heat producers by paying them for the amount of heat they generate.”

Become a Master in Renewable Energy The European Energy Centre is helping individuals enter the renewable energy market with the launch of a new certification, the Renewable Energy Award.

T

he training programme includes modules in finance, heat pumps, solar thermal, solar PV, biomass and CHP, to name a few. Students have to pass a minimum of nine modules out the 12 available in the programme to gain the qualification.

Demand for the course, according to the Centre, strong because students want to differentiate themselves in a quickly developing and competitive market.

Delegates for the courses so far includes people from 105 countries.

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Training is delivered remotely and flexibly using videos, webinars and other study materials. Many learners fit the training in around their working lives in the evenings and at weekends.Users can use laptops, tablet PCs or smartphones to see the training. Learners have to complete nine modules within 18 months of starting to get their certificates.

It is not all remote learning, however. Students can attend some of the modules at participating universities.

When students pass three quarters of the modules, they are automatically entered into the EnergyCPD Professional Membership Programme’s top membership level.

At nearly £3,000, it is probably a course which many will need help in funding to complete it. However, it is possible to pay in installments and the price is now subsidised.

Find out more here: http://w2u.eu/MREAward

26/10/2015 18:03

Visit our new website www.pacair.co.uk

Units 1&2, The Heron Business Park, Eastman Way, Hemel Hempstead, Herts HP2 7FW

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20/10/2015 14:58:52

54

GROUND SOURCE HEAT PUMPS

November 2015

Lord Bourne, Trent & Dove Housing, Kensa Heat Pumps, and contractors J Tomlinson gather outside phase two of the ground source heat pump works

Award Winning £1.8m Social Housing Heating Project Praised by DECC Minister An award winning housing association project to help tenants save money on energy bills continues to garner praise; this time from Lord Bourne of Aberystwyth, Parliamentary Under Secretary of State for the Department of Energy and Climate Change(DECC).

B

urton based Trent & Dove Housing has been working in partnership with British ground source heat pump manufacturer, Kensa Heat Pumps, to install ground source heat pumps (GSHP) to nearly 200 rural sheltered properties scattered across East Staffordshire.

At a visit to a home in Burton upon Trent which has recently undergone a GSHP installation under the second phase of the project, Lord Bourne expressed his admiration for the scheme, made possible largely due to the

54-55 Kensa.indd 54

innovative way it accesses streams of government funding. He said: “Social housing tenants in East Staffordshire are saving hundreds of pounds on their energy bills thanks to Trent & Dove’s innovative project, in partnership with Kensa.

“It’s great to see Trent & Dove putting the consumer at the heart of their plans, leading the way for others to follow.”

MICRO HEAT NETWORK

The system approach utilised by this scheme is recognised by DECC and Ofgem as a ‘micro heat network’ and qualified the project

for Energy Company Obligation (ECO) funding, and 20 years of income via the Non-Domestic Renewable Heat Incentive (RHI).

Steve Grocock, Director of Property Service at Trent & Dove Housing is eager to promote the benefits for all involved: “Over the last two years, we have been working hard to help our tenants reduce their fuel bills by installing sustainable energy solution such as external wall insulation.

“Tenants involved in the first phase of this GSHP scheme are already seeing energy bills reduced by as much as 50%,

23/10/2015 09:20

GROUND SOURCE HEAT PUMPS

55 acrjournal.uk

and, anecdotally, are reporting significant improvements to their health and well-being, aswell. We estimate that tenant electricity costs will be reduced by a total of over £50,000 per year, at an average of £390 per resident. The average electrical energy consumption of each property is expected to drop by 75%, producing an annual CO2 saving of 2.8 tonnes of carbon dioxide (tCO2).

“At the most local level, we are helping some of the most vulnerable people to stay warm, but the impact of the scheme is much greater still as the reduction in CO2 will benefit on a global scale.

“We are delighted that Lord Bourne has chosen to visit our project and we hope more housing associations use the ‘blueprint’ we have created, to access the funding necessary to install innovative heating systems such as GSHP’s and make a real difference to people’s lives”.

Trent & Dove Housing and Kensa Heat Pumps have released a video documenting the first phase of the project, which saw the installation of ground source heat pumps into 133 bungalows. View the video at www.kensaheatpumps.com/ video/case-study-trent-dovehousing

“TENANTS INVOLVED IN THE FIRST PHASE OF THIS GSHP SCHEME ARE ALREADY SEEING ENERGY BILLS REDUCED BY AS MUCH AS 50%...”

PHASE TWO EXPANSION

The second phase of the ground source heat pumps retrofit works sees the district heating solution being introduced to a further 60 Trent & Dove Housing properties in Burton upon Trent.

During his visit, Lord Bourne, visited tenant’s homes to see for himself the impact the installation of a renewable heating solution has had on them.

Mr Bullock, a Trent & Dove Housing tenant, has lived in his flat for the past 9 years; it was previously heated by electric night storage heaters. His new heating system, powered by a GSHP was installed last week and he is already feeling the difference: “My flat has never felt so warm,” said Mr Bullock.

Phase two of the GSHP installation project is due for completion in October 2015.

The project is currently being documented via a live blog on Kensa’s website at www.kensaheatpumps.com/ category/blog

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Dr Matthew Trewhella (Kensa) and Lord Bourne inspect the purging of the borehole ground array

Lord Bourne, Trent & Dove Tenant Mr Bullock, and Dan Roberts (Kensa) with the new hot water cylinder and Kensa ground source heat pump (below the cylinder – not visible in photo)

23/10/2015 09:20

56

HEAT PUMPS

November 2015

BITZER ECOLINE compressors

Finnish city uses waste heat from data centre for

district heating scheme Currently, with a total capacity of four megawatts, the heat pumps supply about 1,500 homes with energy.

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23/10/2015 09:19

57

HEAT PUMPS

acrjournal.uk

The project exploits the waste heat from a computing centre for district heating and to protect the environment.

Bitzer’s customer Calefa recently won the Heat Pump City of the Year prize for it project that takes waste heat from a data centre and transfers it into a local district heating scheme.

H

ere is how the project works and how it benefits the city.

USING WASTE HEAT The aim of the project is to efficiently exploit the waste heat from a computing centre for district heating and to protect the environment. Heat exchangers first use the hot air extracted from the computing centre to heat water.

In the next step, heat pumps in a district heating facility then raise the temperature of the water from 40 to 85°C. In this way, 75% of the energy originally used can be reused. This is not just very efficient, it also protects the environment.

In the first phase, the CO2 emissions will be reduced by 4,000 metric tons per year and, when the project has been completed, this will

56-57 Blitzer.indd 57

be up to 11,000 metric tons of CO2 every year. Calefa’s role in this is to enable the entire technical conversion of waste heat into useful heat.

One special feature is that this is the first time when such a large amount of waste heat from a computing centre can be directly exploited for district heating. To increase the water temperature to 85°C, particularly powerful and efficient heat pumps are required.

This process is supported by 24 sixcylinder ECOLINE compressors from BITZER at the heart of the heat pump system, which can each offer flow rates of up to 150 m3/h (at 50 Hz).

CONFIDENCE DUE TO PAST PERFORMANCE Currently, with a total capacity of four megawatts, the heat pumps supply about 1,500 homes with energy. Subsequently, this will rise to about 4,000 homes. Today, this system already complies with the environmental targets of 40% lower CO2 emissions specified by the EU for 2030.

“We chose compressors from BITZER because they have stood for high quality, reliability and good performance for decades,” said Vesa Tamminen, CEO of Calefa.

“That builds confidence where the long service life of the compressors is absolutely vital for us. We also know from experience that we can work together well with BITZER and can rely on their service. Our team have been successfully using BITZER compressors since 2007.”

ON SCHEDULE The tight schedule was a real challenge. Work began in June 2014 and the system to recover the waste heat had to be completely installed by December. This worked out due to the excellent cooperation between the operator of the computing centre (Yandex Finland), the district heating company (Mäntsälä Sähkö Oy) and the contractor (Calefa Oy).

Work has progressed well and the entire system will go into operation in October of this year. The heat recovery unit in the computing centre is already operational and can be connected to the heat pump system. The installation of the heat pumps started as soon as the building was finished in the middle of June.

The work on the pipework began in June.

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58

GROUND SOURCE HEAT PUMPS

November 2015

New Ground Source Heat Pumps Reduces Heating Costs Even More Norfolk firm, Finn Geotherm, has added a new range of ground source heat pumps to its portfolio which can reduce heating bills by up to 50%, the company claims.

T

he ground source heat pumps, made by Finnish company Lämpöässä, generate between 3 and 4 kW of heat for each kW of electricity that they use. This means the heat they produce costs nearly a third less than with fossil fuels. More typically, the Finnish-made heat pumps have a CoP (Coefficient of Performance) of 4. The new Esi and Emi models have a CoP of 4.56.

“These latest systems will continue to provide all of our customers’ heating and hot water, irrespective of weather conditions, but now deliver even greater savings and flexibility on installation with easier control of operation,” said Finn Geotherm’s commercial director, Guy Ransom.

“WE HAVE INSTALLED NEARLY 500 HEAT PUMP SYSTEMS AT EVERYTHING FROM BUNGALOWS TO LARGE BUSINESSES” 58 Finn Geotherm.indd 58

HE CONTINUED:

“We have installed nearly 500 heat pump systems at everything from bungalows to large businesses such as the Longlands Business Park on the Holkham Estate in Norfolk. We’ve also been able to provide ground source systems to provide all of the heating and hot water for large stately homes, dispelling the myth that the technology is only applicable for new, well insulated houses.”

The monovalent heat pumps produce heat and hot water for domestic and commercial buildings. They are compact, which makes it easier to fit them into tight spaces. Importantly, they are eligible for the RHI. As with many of the leading heat pumps available today, the Finnish heat pumps can be controlled through the internet using smartphones, computers or tablet PCs. Find out more information on the Finn Geotherm website: www.finn-geotherm.co.uk

23/10/2015 09:18

BOOK NOW FOR THIS POPULAR EVENT!!

Book your places and celebrate the future of our industry!

The Belfry, near Birmingham on

Thursday 10th December 2015

Take the opportunity to: • Reward your teams for their hard work • Entertain your key clients and network with your industry colleagues • Enjoy the awards and the entertainment.

This not for profit event invests in the training companies who enter trainees to enable them to provide the best skills to trainees and apprentices in the Air Conditioning and Refrigeration sector.

www.acr-trainee-of-the-year.co.uk To sponsor, enter or book please contact Juliet Loiselle on 07786 336606 julietl@warnersgroup.co.uk Sponsored and supported by 1989-2014

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Essential Information for the Air Conditioning and Refrigeration Industry

AIR CONDITIONERS

26/10/2015 13:45

60

PRODUCTS

November 2015

NOVEMBER 2015 The guide to what’s new for The ACR Journal readers, offering vital industry news including the latest products and services to be introduced.

To advertise your product in the ‘What’s New’ section please contact or e-mail theresag@warnersgroup.co.uk Easier, more adaptable soldering Swedish tools maker, Sievert AB, has a new range of Turbojet Swivel Torches to make soldering easier for engineers.

They are 50% lighter than the previous models and the new burners can swivel making them more flexible for users. The rotating cyclone flame wraps itself around the pipe, providing extremely even heat distribution. Together with a built-in pressure regulator, the new Turbojet is suitable for brazing and soldering.

The new Turbojet comes in two models; standard, with a single cyclone burner and Turbojet Twin, with a twin burner. Both are fitted with swivel fastenings, enabling rotation of the burner through 360 degrees. Turbojet twin has an extra swivel point, enabling rotation of the flame to fit the work-piece.

Contact: Melvyn Baumber, General Manager +44 (0) 7801 292 110 melvyn.baumber@sievertuk.co.uk www.sievert.se

Sentinel X100 Inhibitor first choice for controlling chiller corrosion and bacteria Although preventing corrosion and bacterial contamination in chilled water systems is vital in order to preserve operational integrity and efficiency, and avoid costly issues, few inhibitors offer comprehensive protection.

Sentinel Commercial, has introduced its award-winning X100 Inhibitor to the cooling market. Benefitting from a superior blend of corrosion technologies and nitrite-free solution, Sentinel Commercial X100 Inhibitor is fast becoming first choice for plant engineers seeking a cost-effective, proven solution to chiller protection.

Sentinel X100 Inhibitor features a meticulously prepared blend of TripleTech™ anticorrosion technology, a unique formula of heavy-duty, specialist corrosion inhibitors, and is completely nitrite-free.A premium solution, Sentinel X100 Inhibitor delivers exceptional return on investment by delivering optimum, long-term protection of chiller systems.

01928 704330 info.uk@sentinelprotects.com www.sentinelprotects.com

60 What's New Nov2015.indd 60

Plumbfix Products Arrive in time for Peak Heating Season Plumbing and heating solutions supplier, Plumbfix released its latest catalogue recently to help its customers with new solutions in time for the peak season.

Wilo Yonos Central Heating Pump - Boasting a number of speed settings, including variable and three fixed speeds, the pump is also ErP compliant and benefits from a five year manufacturer’s guarantee. Plumbfix is offering up to 15% off Wilo and Flomasta central plumbing circulating pump.

Kudox Radiators - Plumbfix is also currently offering a saving of up to 20% across the Kudox Premium radiator range. The range features type 11, 21, 22 and 33 panel radiators as well as horizontal and vertical options in a selection of sizes.

Boilers - the new catalogue’s range includes ErP compliant boilers from a number of high profile manufacturers including Baxi, Potterton, Worcester Bosch, Ariston and Biasi. Plumbfix will also be offering the Biasi non ErP compliant 24kW combi boiler and flue for a competitive £399.

0808 101 0000 mobile-friendly on 03330 112 999 03330 112 999 www.plumbfix.com

Rittal Launches Innovative Blue e+ Cooling System in the UK Rittal, the leading global enclosure and climate controls specialists, recently launched its new generation of cooling units.Key to the efficiency of the Blue e+ is Rittal’s patented hybrid system.

“The hybrid system increases energy efficiency significantly,” says Steffen Wagner, Rittal’s Head of Climate Control Product Management.

“It uses a clever combination of a compressor cooling device and a heat pipe to take maximum advantage of passive cooling. The compressor only kicks in when passive cooling becomes insufficient to meet demand,” he adds.

Blue e+ units are six times more efficient than conventional cooling units at a part-load of 15 per cent in heat-pipe mode. At a part-load of65 per cent, in hybrid mode, with both the compressor cooling device and heat pipe in operation, Blue e+ is four times more efficient than a conventional unit. www.rittal.co.uk and www.friedhelm-loh-group.com

26/10/2015 13:45

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

VACANCIES

VOLUME 1 No1

We have been asked by a number of prestigious clients to recruit for the following exciting vacancies in the UK:

Essential Information for the Air Conditioning and Refrigeration Industry DEC/JAN 2015

Call James now on 01778 395029 Improving your or email jamesk@warnersgroup.co.uk to discover how our multi-media packages can target your ideal candidate.

Supply Chain.

Sales Engineers – Industrial Refrigeration Sales Executives – Commercial Refrigeration Business Development Managers – Air Conditioning / Chillers Area Sales Managers – Air Handling / Ventilation Project Managers – HVAC Chiller Engineers Industrial Refrigeration Engineers Air Conditioning Engineers Please also view our web site : www.ts-international.net

Log on to our new look website

www.acrjournal.uk 2:57 PM

Page 1

to view up to the minute vacancies.

To apply for these or other new roles we are handling exclusively please call: 0118 930 4444 or email your CV to: vacancies@tsinternational.net You can also apply via our website: www.ts-international.com TSInternational Recruitment Ltd 7 High Street, Theale, Reading, Berks, RG7 5AH

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

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

1989-2014

N

acrjournal.uk PROJECT MANAGER

IV E RSA

HVAC ESTIMATOR

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05

MISSING THAT VITAL MEMBER OF YOUR TEAM?

CHILLER ENGINEERS

Kent/SE London to £30k+benefits Our client is a well-established air conditioning and 01 Cover.indd 1 Untitled-3 1 mechanical services contractor based in Kent. They have a current requirement for an experienced Estimator who will be responsible for preparing estimates for new projects and putting together quotations.

Ref:T3284

N. Kent to £45k+car+benefits This regional HVAC contractor has an immediate vacancy 29/12/2014 11:38 20/11/2014 12:48 for an additional Project Manager to join their team. You will be responsible for actively managing HVAC projects in and around the London area. Project values will range from £1k to £250K. Ref:T3272

Dubai & Qatar to US$90k+accommodation Specialist chiller service company requires engineers with experience on water cooled centrifugal chillers and air cooled liquid chillers. You will work independently and perform service and repairs on all makes and models of chillers and ancillary equipment.

Ref:T3291

CONTRACT ENGINEER/ADMINISTRATOR

SALES ENGINEER

Surrey/Middlesex c£35k+car+benefits Contracts administrator required with a background dealing with capital equipment contracts for an air conditioning manufacturer or distributor. You will be office based and responsible for liaising with foreign factories as well as customers and contractors, with occasional site visits.

Ref:T3286

South East c£45K+car+comm.

An experienced sales engineer is required to sell a specialist comfort cooling system into consultants, architects and developers, in London and the south east. Applicants should be air conditioning sales professionals with air distribution/ air handling experience.

Ref:T3210

SERVICE ENGINEERS

APPLICATIONS ENGINEER

SALES/DESIGN ENGINEER

South West c£35k +bens +car This leading distributor of refrigeration equipment is looking to appoint an Applications Engineer. You will be responsible for the design, selection and pricing of a wide range of commercial refrigeration projects. A strong technical background is essential.

Ref:T3288

North/Midlands to £60k+car+benefits Our client is looking to appoint an experienced industrial refrigeration sales/design engineer with NH3 experience.

You will be responsible for liaising with clients and designing systems for the food industry, with some project management involvement Ref:T3295

INTERNAL SALES MANAGER

AREA SALES MANAGER

West Midlands c£29k+bonus+benefits Leading distributor of air conditioning and refrigeration equipment is looking to strengthen the management of its team. You will be responsible for developing good working relationships with account customers and managing and motivating the existing team.

Ref:T3299

North & Scotland to £38k + Bonus + car This major European distributor deals with an extensive range of ancillary Products for the refrigeration & air conditioning industries. They require an experienced sales person with a strong technical background to manage existing accounts and develop new business. Ref: T3294

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Oxon/Herts & W. York. to £34k+van+o/t+t/t Busy refrigeration and air conditioning contractor requires senior service engineers with extensive and varied experience of equipment including a wide range of reciprocating and screw chillers, VRV/VRF systems and refrigeration equipment.

Ref:T3271/92

INDUSTRIAL REFRIGERATION SERVICE Scotland, Ireland, England to £35k+van+o/t+t/t Industrial refrigeration contractors requires additional engineers 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:T3281/98 For further details please contact TERRY WHITE or ROGER For further details contactPRICE either TERRY WHITE or ROGER at Ashbury Associates, The Old Rectory,PRICE Springhead Road, Ashbury Associates Ltd., Kent Crown House, Northfleet, DA11 8HNHome Gardens, Kent DA1 1DZ 338749 t 01474 Dartford, 338705/338725 f 01474 t 01322 424636 f 01322 424637 e info@ashburyassociates.co.uk e info@ashburyassociates.co.uk

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CLASSIFIEDS

November 2015

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CHILLY CHATTER

November 2015

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CHILLY CHATTER SPONSORED BY

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Howard Davis - Stories from the Field With Howard Davis retiring from Frascold recently, Will Hawkins gathered some stories from the field which typify the humour and character of the man. Howard may be retiring, but we thought it would be good to say farewell in the best way we know - by embarrassing him with some anecdotes.

The stories include an unexpected trip back from Italy with John Smith of Dean & Wood when a volcano in Iceland pumped more greenhouse gases into the atmosphere than all the old air conditioning units leaking R22 into the atmosphere.

The other story, thanks to Steve Taliadoros from LU-VE, involves Howard nearly laughing his head off when hearing that someone’s legitimate job involved helping pigs to relieve themselves for the benefit of reproduction. Sound dodgy? You are right there.

Read these stories on the ACR Journal website by visiting this link: http://w2u.eu/HowardDavis (We’d like to publish them here but space is tight and we’d like you to leave your comments on the website!)

Sun Comes Out for B&ES North West Annual Golf Day The Building and Engineering Services Association North West Region held its annual golf day late in September at the Pikefold Golf Club, Bury, Lancashire.

The event was attended by representatives of Absolute Cool Heat, BSS Pipeline and Heating Solutions, Crown House Technologies, Ductwork Design and Installations, Arthur J Gallagher, Salford College and Vital Human Resources.

A total of 35 players from both member and sponsor organisations experienced an enjoyable day’s golf in excellent weather conditions.

The winning team was entered by Liverpool-based contractor Absolute Cool Heat Ltd.

Pump House Fishing Day reels ’em in The inaugural Southern Fishing Day from pumps and ancillary equipment supplier Pump House, and sponsored by Fujitsu, proved a great success, despite a certain lack of fish.

Helped by glorious weather, the event, for wholesalers and contractors, was held at Bury Hill Fisheries near Dorking, with the top prize going to Ben Mcgrath of BM Air Conditioning, with a catch of 20lb. The smallest catch prize of a bottle of bubbly went to Phil West, with a catch of just 11oz.

While Pump House has run several very successful annual fishing days, they are normally in the North or Midlands, this is the first time the Nottinghamshire based company has run an additional one in the south of England.

Says Pump House’s June Richardson, sales manager: “Everyone thoroughly enjoyed themselves and were already asking when the next fishing day will be so they could put it in the diary for next year.”

The Southern Fishing Day will be an annual event, so send your details to info@pumphousepumps.com if you are interested.

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CHILLY CHATTER

acrjournal.uk

Big Foot Pedals it to Paris Sussex-based Big Foot Systems, the rooftop support for heating and cooling units specialists, took part in an ‘epic’ charity cycle ride from Eastbourne Pier to Paris and back in a weekend, recently.

The 255 mile bike ride raised in excess of £4000, including sponsorship from Big Foot’s Belgium distributor Linum. In total twelve people took part in the ride, including Big Foot’s Technical Marketing Manager, Joe Rose and Miles Hardy the firm’s Commercial Support Coordinator with the money raised going to Macmillan, Parkinson’s UK and Sussex Air Ambulance.

Along the way they battled through torrential downpours, a couple of pile ups, Parisian traffic chaos and more than their fair share of punctures, but eventually they made it back to Eastbourne in one piece!

“The bike ride was fantastic and it’s always nice to combine a fun event with raising some money for some really great charities,” explains Joe Rose, Technical Marketing Manager at Big Foot Systems. “We’d also like to thank our Belgium distributor Linum Europe for their generous support of the event.”

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Williams’ ‘Cool Riders’ contest Springboard Paris Challenge There was more than one cooling industry company on two wheels, recently. Williams Refrigeration put a team into the Springboard London to Paris Cycle Challenge in September. The so-called ‘Cool riders’ team was a “mixed bag” of pedal pushers from across the food service industry, according to Williams Refrigeration sales and marketing director, Malcolm Harling.

Malcolm himself represented the catering equipment manufacturing sector; for the kitchen contracting houses there was Julian Shine, managing director of Shine Food Machinery; Stuart Timms, project director at Tricon, was in the saddle for food service consultants; and Mark Froydenlund, head chef at Marcus, held the torch for operators.

They raised money for the food service industry’s charity, Springboard (www.springboard.uk.net). The photo shows the team before they set off on the cycling challenge.

Chilly Chatter.indd 65

In the October issue, as the ACR Journal team and partners travelled around the UK to get stories and features that make this magazine so popular, Paul Airey from Fujitsu spotted a Cool Breeze van in Edinburgh. The prize was claimed by Engineer James Young from the company.

This month’s photo was taken on 11th September on the M5 in Devon by Will Hawkins. If this is your van, drop me an email with the van’s registration number, which I alone know.

E: willh@warnersgroup.co.uk to claim your prize.

Closing date: 23rd November 2015.

willh@warnersgroup.co.uk to claim your prize Closing date 16th December 2015.

26/10/2015 18:04

66

CHANGING FACES

November 2015

A New National Executive in Scotland and NI for the B&ES

Flexenergy Appoints New Regional Manager Pipe specialist, Flexenergy, recently hired Andy Watts to be their Regional Manager to cover the UK south of the M62 corridor.

Andy has a wealth of experience in the construction and energy sectors and is very familiar with Flexenergy’s services and products having worked for them previously for a period of eight years up to 2010. During that time he successfully gained specifications and projects with large housebuilders that saw Flexenergy’s superior fusion-welded jointing technique push them into diameters and projects that, at that time, few believed would be achievable in plastics Andy’s main objectives with Flexenergy will be to drive the business forward by supporting the customers both directly and through design via consultant engineers. He is also responsible for identifying different approaches to market, with installation of heating mains being a primary focus. www.flexenergy.co.uk

New National Sales Manager for HRP

Tony Hackett is the new National Sales Manager for HRP. He will work with Group Sales Director, Ralph Alliston to develop key accounts, and recruit and train HRP’s growing sales team.

Tony has a sales management background in the document management and printing industry, and has worked for companies including Ricoh, Canon and Nashua.

Ralph said: “As technology develops our industry is changing rapidly and we need to reach new decision makers Tony brings valuable experience from other fields and will lead the drive to equip our sales teams for the markets of the future.”

Tony will work from HRP’s West Midland’s office initially.

The Building and Engineering Services Association (B&ES) appointed Tom McManus to its staff as national executive for Scotland and Northern Ireland. Tom takes over from Bob Dyer who has retired after 25 years’ service.

Tom is a technology graduate from the Open University and was previously the B&ES general manager for their training subsidiary.

In addition, Zanna Tweedie has been promoted to a new position as assistant national executive for the B&ES in Scotland.

ADVERTISE YOUR CHANGING FACES

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. willh@warnersgroup.co.uk NOTICE BOARD

Two New Hires for Cordant Services Management Team

Cordant Services has announced two key appointments that will complete its strategic leadership team. Jaimie Potts joins the company as Facilities Solutions Director and Jonathon Mackie will take up the post of Facilities Sales Director.

Jaimie has a background in finance and business.

Previously, he worked for Interserve as a Commercial Manager where he successfully managed financial inputs into bids as well as commercial management of FM contracts. Jaimie will be instrumental in ensuring that Cordant Services bids and contracts continue to offer clients the best value.

Jonathon has an excellent track record for winning large TFM contracts. Before joining Cordant he worked for G4S as the Business Development Director. He was responsible for winning many prestigious public sector contracts for outsourced services. At Cordant, Jonathan will be responsible for leading the sales team, developing sector strategies and supporting the development of service solutions.

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Send us your information and image today to: willh@warnersgroup.co.uk

26/10/2015 10:30

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