ACR Journal June 2016

VOLUME 2 No6 ISSN 2058-4407

Essential Information for the Air Conditioning and Refrigeration Industry

JUNE 2016

Danfoss Optyma dean&wood dean&wood

available available from... from...

dean&wood dean&wood and and rw rw refrigeration refrigeration wholesale wholesale

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06/05/2016 11:16

26th JANUARY 2017

Town Hall, Victoria Square, Birmingham, B3 3DQ The 6th National ACR & Heat Pump Awards is a popular industry awards event. Every year it’s a sell-out, it’s good fun and it is a great networking event. WHY ATTEND?

WHAT ABOUT THE JUDGES?

This event is not only extremely authoritative and professionally run. It is by far the most entertaining of its type.

1. All judges are leaders in their fields and benefit from the knowledge and experience drawn from across the sector.

1. You can’t meet customers and prospects if you are not there - The National ACR & Heat Pump Awards are a brilliant networking opportunity. Don’t miss out on meeting up.

2. Their scrutiny is rigorous in seeking out the best.

2. It is great value for money – Being held in Birmingham means the costs for travel, dinner, hotels and entertainment are very reasonable, so it’s easier to justify the time and investment.

WHEN AND WHERE?

3. Entertain your team and customers – Having a good time is great for relationships. The National ACR & Heat Pump Awards’ entertainment is great fun.

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3. A top group with no ‘conflict of interest’ with entries – a sacrosanct measure.

The Town Hall, Birmingham

Thursday 26th January 2017

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SPONSORS AND SUPPORTERS

Essential Information for the Air Conditioning and Refrigeration Industry

HERE ARE THE AWARD CATEGORIES: w ACR Project

w Non Domestic Ground Source Project

w In-Situ Monitoring

w Controls Product of the Year

w Air Conditioning Product

w Heat Pump Installer

w Domestic Air Source Project

w Heat Pump Product

w ACR Contractor

w Domestic Ground Source Project

w Refrigeration Product

w Wholesaler/Distributor

w Non Domestic Air Source Project

w ACR Ancillary Product

WHAT DO PEOPLE SAY ABOUT THE AWARDS?

“We find that the heat pump awards accurately reflect the excellent “What a giggle! Everyone I spoke to loves the venue. The theme, the work done within the industry from manufacturers and installers band, the show girls too. The atmosphere was brilliant. The food and alike. Viessmann see it as an opportunity to promote the work waiting staff were great. You did a top job.” completed by our installers on a large variety of projects.” Sue Glynne, Borahurst. Chris Leech, Viessmann Commercial & Renewable Technologies

Visit www.acrnationalheatpumpawards.uk or contact Juliet Loiselle, julietl@warnersgroup.co.uk for details on how to enter and book Contact James Knight for sponsorship opportunities on jamesk@warnersgroup.co.uk

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19/05/2016 16:14

C O N T E N T S

04 JUNE 2016

REGULARS 6 News

Essential Information for the Air Conditioning and Refrigeration Industry

Editor Will Hawkins AInstR 01778 392094 willh@warnersgroup.co.uk

IoR Update

12 Mitsubishi Electric

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

What's New

Out and About with Bitzer in Germany

Theresa Geeson 01778 392046 theresag@warnersgroup.co.uk ACR MASTHEAD.indd 1

Editorial Design Ady Braddock

Advertising Design Natalie Reynolds

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

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

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

29/01/2016 16:44

More diversity in the ACR Industry

Let’s face it, the air conditioning, refrigeration and heat pump industry is ‘male dominated’. And, trying to encourage more women into the industry can seem like a struggle at times. That’s why I started the ‘Women in ACR’ series, to show that there are more women in our sector than people may think. The articles also show how diverse those women’s roles are in the ACR business. Now, working with the Institute of Refrigeration, there is a new networking group for women to enable easier networking, sharing of ideas, learning and mentoring. It’s called ‘Women in RACHP’. You can join our free LinkedIn Group now, and join the free webinar on 23rd June to learn about how the group intends to help women in the sector. The webinar is on the same day at ‘National Women in Engineering Day’, of which the IOR is an official participant. Read more about it on page 11.

Refcom competition

22 Rob’s Reviews: FSW’s Rob Green reviews some top tape and a nitrogen purge braze tool

35 Women in ACR Emma Childs from Eastleigh College

44 What’s New? The latest products and solutions

48 Chilly Chatter and Chilly Van

50 PRINTED BY WARNERS 01778 395111

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

Changing Faces Who’s new and who’s moved

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C O N T E N T S

05 acrjournal.uk

VOLUME 2 No6

ISSN 2058-4407

Essential Information for the Air Conditioning and Refrigeration Industry

JUNE 2016

Danfoss Optyma dean&wood dean&wood

available from... from... available

dean&wood dean&wood and and rw rw refrigeration refrigeration wholesale wholesale

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FEATURES Air Movement

18 Trox works on an eﬃcient air movement solution for a university lab

Refrigerant

Refrigeration

06/05/2016 11:16

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About our front cover: Dean & Wood with Danfoss Optyma www.dean-wood.com

38 Dave Bostock from Integral asks if we serve our customers’ best interests

40 Alan Jackson from BJA refrigeration explores the ﬂammability question with A2L refrigerants

Heat Pumps

An interesting heat pump case study from NIBE

24 A Gas has ten top tips for R32

Roof Support

26 Big Foot Supplies Roof Support for Coca-Cola GB Cooling

Company Profile

28 Pump House Celebrates 75 years of ‘Little Giant’

Leak Prevention

30 Advanced Engineering demonstrates a new approach to sealing leaks

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DOWNLOAD THE ACR JOURNAL APP

FOR YOUR SMARTPHONE OR TABLET PC GET THE LATEST NEWS, FEATURES, UPDATES AND OFFERS

19/05/2016 14:54

N E W S

06 JUNE 2016

LOW GWP FLAMMABLE REFRIGERANTS:

AREA PUBLISHES FREE EQUIPMENT GUIDE AREA, the European Air Conditioning, Refrigeration and Heat Pumps Contractors organisation, has published a free guide to help cooling engineers understand which equipment they should use to service refrigeration plants containing flammable, low GWP (global warming potential) refrigerants. The guide covers the A2L (lower flammability) and A3 (higher flammability) refrigerants, which are alternative to HFCs, which are being phased out because of the EU F-Gas regulations. In future, it is likely that high GWP refrigerants will be phased out internationally. The ‘flammability issue’ has been a controversial topic with refrigerants, which makes it important for air conditioning and refrigeration engineers to understand the right equipment to use. As a result, AREA produced its free guide to help engineers and service technicians understand the right tools and equipment to use when installing, maintaining and repairing cooling equipment which use flammable, low GWP refrigerants. Download the free AREA Guide here: http://www.area-eur.be/professional-guidance

EUROPEAN REFRIGERATION GRANTED ROYAL WARRANT European Refrigeration Ltd, the Essex-based commercial refrigeration engineering firm, has been granted a Royal Warrant by the Queen to provide its services to the Royal Household, the company announced today. The warrant lasts for five years and came into effect on 1st April this year. Having the Royal Warrant will mean European Refrigeration will be able to show the Queen’s coat of arms on its vans and marketing materials. Only around 800 companies hold the Royal Warrant, which is granted to companies that have provided goods or services to the Queen, the Duke of Edinburgh or the Prince of Wales for five consecutive years or more. The warrant is recognition of high standards in caring for customers, quality and excellence.

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AIREDALE LAUNCHES NEW TRAINING CENTRE

Leeds-based air conditioning experts, Airedale International, have announced the opening of their new training centre. The new training centre provides courses on air conditioning including system design and basic principles. Consultants, system designers, installers and service engineers in air conditioning and refrigeration will ﬁnd the courses useful. Delegates can get training to become competent in handling F-gases and electrical installations. Courses are a mix of practical in Airedale workshops and theory lessons.

For air conditioning skills, Airedale provides training in installation, commissioning and maintenance for chilled air units, refrigeration systems and ‘air-side’ system properties. The training includes up-to-date courses for delegates who want to gain their F-Gas qualiﬁcations. Airedale provides brazing skills in its special area to help students learn how to install refrigerant pipes correctly. Find out more about the new training centre and its courses here. http://airedale.com/web/ Training-Events.htm

Chairman and Director of European Refrigeration Limited, Derek Murton said: “I feel so privileged and proud that my Company has been granted this Royal Warrant and we are sure that this accolade will serve to enhance our reputation and attract a broader network of clients.” European Refrigeration was started in 1985 and serving customers with air conditioning and refrigeration solutions throughout the Home Counties, Essex and London.

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18/05/2016 08:52:42

N E W S

JUNE 2016

CHEMOURS EXPANDS NATURAL REFRIGERANTS LOW GWP REFRIGERANT PRODUCTION CONFERENCE IS PROVING POPULAR Chemours, the chemicals giant, is developing its low global warming potential (GWP) refrigerant production with a $230 million investment in a factory making HFO-1234yf in Texas, the company announced this week. Chemours markets HFO-1234yf refrigerant using its Opteon YF brand name, which is used in vehicle air conditioning systems and in other refrigerant blends for other applications. The new factory is at the Chemours Corpus Christi site in Ingelside, Texas in the USA. The new refrigerant factory, the world’s largest for making HFOs, according to Chemours, will serve the USA and Europe with H)-1234yf. Chemours’ investment will be made over the next three years to meet the demand from vehicle manufacturers using low GWP refrigerants. Chemours estimates that 40 million vehicles will be using HF)-1234yf by 2017, which will increase to 140 million vehicles by the end of 2020. The company estimates that around 1,000 retail and commercial refrigeration systems will use its Opteon refrigerant range by the end of this year, growing to around 10,000 systems by the end of 2020.

BEST HVAC

EMPLOYERS ANNOUNCED Air movement manufacturers have come out as the best employers, according to a recent survey by recruitment ﬁrm, Thornhvac. The ﬁrm asked employees for their feedback on who they perceived as the leading companies in the air conditioning, ventilation and commercial heating sectors. The survey took place a over a year. In the ventilation sector, Nuaire, Vent Axia, Flaktwoods and Elta Fans came out on top. While in the air conditioning sector familiar names such as Daikin, Mitsubishi Electric, Airedale and Toshiba were on top, and Vaillant and Hamworthy Heating doing well in the commercial heating sector. Read the details in the 2015 survey here: www.thornhvac.co.uk/reports Or, participate in the 2016 survey here: www.thornhvac.co.uk/best-companies-survey

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The 12th IIR Gustav Lorentzen Natural Working Fluids Conference, being help in August this year, is proving to be a popular event. The conference, which happens in Edinburgh and is hosted by the Institute of Refrigeration, now boasts over 150 accepted papers from 30 countries. Furthermore, the organisers announced that J&E Hall has agreed to be a platinum sponsor of the event. J&E Hall marketing manager, Helen Jerram, explained why her company became a sponsor: “Natural refrigerants have been used for more than 130 years, but today their relevance is more important than ever. With a need for refrigerants which have low GWP the application of natural refrigerants offers the potential to improve the environmental performance of refrigeration systems.” She continued: “The Gustav Lorentzen Natural Refrigerants Conferences is the most important international forum for the discussion and exchange of ideas in recognition that natural working fluids are not just an option, but an integral part of our future, and that of generations to come.” Leading companies in the sector are also sponsoring the conference, including Epta Refrigeration, Bitzer, Emerson Climate Technologies and Yellow Jacket. The 2016 conference agenda focuses on sustainability, and the challenges and opportunities which more efficient and environmentally friendly solutions, requirements and practices are now available in the Natural Working Fluids market. Find out more and book places at the conference here between 21 and 24 August 2016: www.gl2016.com

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Toshiba Introduces its R32 AIR CONDITIONING SYSTEMS TO UK

Daikin Buys Italian Refrigeration Manufacturer Zanotti Toshiba has a new range of residential air conditioning units using R32 refrigerant for the UK, the company announced in May. The ‘Mirai’ R32-based air conditioning units are aimed at the ‘luxury’ domestic housing market. The units are wall-mounted and use the refrigerant which has a low global warming potential (GWP), namely 675, which is considerably less than R410A, whose GWP is 2088. The release of the R32 air conditioning units comes in the wake of the updated F-Gas Directive from the EU which aims to move manufacturers away from high GWP refrigerants in their systems. In fact, the directive sets a goal of using refrigerants with a GWP less than 750 in single split units with a charge of less than 3kg. Concerns over the flammability of R32 is common with the refrigerant. However, Toshiba was keen to stress that they have had no incidents with their units in Japan and that, with good practice, the flammability risks are tiny and manageable. The Toshiba Mirai units have new features including ‘dustless operation on the fan coils because of a special coating, greater heating capacity and lower noise because of a larger fan. To reduce the risks of sparks the units have brushless motors and a power relay replacing the contactor, as well as fireproof steel enclosures to reduce the risk of flames developing. Toshiba is not planning to bring large R32 systems into the UK now, believing that the low GWP refrigerant is best-suited to smaller air conditioning systems. Toshiba’s Mirai R32 air conditioning units come in capacities ranging from 1.5 to 4.5 kW, and will be available from the end of May 2016.

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Daikin has bought the Italian commercial refrigeration and freezer manufacturer, Zanotti, for €98 million (circa £76.5 million), the company announced recently. The deal will be completed in June 2016. Daikin plans to use the purchase to grow its market share of the commercial refrigeration and freezer market in Europe while enhancing its existing air conditioning and refrigeration business. Zanotti products are used in the food chain from production to transportation and in retail applications. The company has factories in Italy, the UK and Spain. By buying Zanotti, Daikin moves its business from providing solutions to part of the refrigeration and air conditioning sector to a wider market. Daikin plans to grow its business in Asia, the USA and China where the markets are expected to rapidly grow.

19/05/2016 14:57

I O R

N E W S

JUNE 2016

I OR – AT L ARGE News this month from the IOR programme of talks, tours and work to raise the profile of the UK RACHP industry.

Cool Talks for engineers

We are really excited to be holding our ﬁrst Cool Talk roadshow event on 19th May. The event is a sell out with 60 engineers and technicians booked to attend the talks on refrigerants hosted by A-Gas in Bristol. Topics covered include new low GWP refrigerants, the challenge of glide and compressor issues. There seems to be strong interest in the South West for local talks and networks - there used to be an active IOR South West regional group and it would be nice to see this start up again as a result of the Cool Talk. If you don’t live in the South West or missed this event you will be able to take part in one of our future Cool Talk Roadshow events planned for Leeds and the North West area later this year.

Natural Refrigerants in Edinburgh – 21 to 24 Aug 2016

Support has been overwhelming for this years’ Gustav Lorentzen Conference. It will be the 12th event in the series of International Institute of Refrigeration conferences that take place every two years. The UK has remained an active member of the International Institute of Refrigeration (IIR) due to the fundraising eﬀorts of the IOR’s International Refrigeration Committee. The ﬁrst event was held in Glasgow. We return to Scotland, this time going to Edinburgh’s Heriot-Watt University. The three day conference will be a great showcase for the best of British and Scottish work in the application of Natural Working Fluids. A mixed programme with 140 presentations from international speakers, backed up with short courses, technical tours, key note speakers and social.

More International collaboration

For the first time the IOR was officially represented at the Institute of Refrigeration Ireland Annual Awards dinner in Dublin this year by Miriam Rodway. The event was a great success with awards presented for achievements and contributions to the Irish refrigeration industry. It was also an opportunity to celebrate a new collaborative agreement between the IOR Ireland and IOR UK – two separate organisations. Under our new arrangement IOR Ireland Members can share a joint Affiliate grade membership of the IOR UK with benefits very much welcomed by their members. There will be a joint ASHRAE UK Midlands Group / IOR meeting on 14th June 2016 at the University of Birmingham on the topic of Low Carbon District Heating with a talk from recent ASHRAE

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Fellow, Andy Pearson FInstR. The IOR is the UK Associate Society linked to ASHRAE (the American Society of Heating, Refrigeration and Air Conditioning Engineers). ASHRAE formed the Associate Society Alliance in 1962 to broaden its scope of activities in the world and thereby make possible a more eﬀective and fruitful exchange of knowledge and ideas among engineers engaged in the arts and sciences of HVAC&R. IOR members can enjoy a discount on the purchase of ASHRAE publications.

International Compressor Conference

The IOR has been invited to partner on the 10th International Compressor Conference which is taking place in September 2017, organised by City University. The conference includes industry days and short course options and the programme will cover themes such as technology development, novel applications, environmental aspects, system integration in compressors in a wide range of applications. We call papers in July with a deadline for abstracts in December 2016. There are also sponsorship opportunities to promote technology to the 150+ delegates expected to attend the 3 day event in London. Contact the IOR to ﬁnd out more.

College Visits and Apprenticeship changes

After a successful talk to NVQ students at Bath College recently the IOR Service Engineers Section is planning its next meetings at North Kent College, Dudley College and Basford Hall (New College Nottingham). Our speakers will give an introduction to the IOR and Service Engineers Section, and brief talks on topics such as air conditioning efficiency, alternative refrigerants or F Gas latest. We also have a Panel Q&A to encourage the students to ask questions of the experts and find out more about the industry they are going to be working in. The visits to Centres have been a useful way of spreading the message about the new RACHP Engineering Technician Apprenticeship which starts in September this year. Many of the colleges have already contributed to the development of the new Standard and Assessment specification. Centres are being encouraged to sign up to deliver the new apprenticeship via City & Guilds as soon as possible. If you would like the Section to give a talk to your students or engineer please contact miriam@ior.org.uk to arrange a visit.

18/05/2016 16:27

R A C H P

IOR LAUNCHES WOMEN

IN RACHP NETWORK

The IOR is launching a new network to promote Women in RACHP, with the support of ACR Journal, to coincide with National Women in Engineering Day on 23rd June.

he network will launch with a webinar talk by Catarina Marques MInstR based on research carried out by Catarina and Ina Colombo MInstR of the International Institute of Refrigeration as part of a Women in Refrigeration workshop, which looked at global skills shortages in engineering and technical staff, the growing demand for refrigeration professionals and opportunities to increase representation of women in this field. It will be opened and chaired by Steve Gill, IOR President. The new network will be open to anyone (male or female) working in any RACHP related role such as service & maintenance, design, research, engineering, science, sales, administration, marketing, or training. You do not have to be an IOR member to take part and the invitation is open to anyone interested in promoting and supporting professional opportunities for women in RACHP. To register for the webinar or sign up for the network go to www.ior.org.uk/womeninRACHP

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

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To find out about National Women in Engineering Day and access resources to promote careers see http://www.nwed.org.uk/

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28/03/2014 09:47:29 19/05/2016 14:58 24/07/2012 16:36

M I T S U B I S H I

E L E C T R I C

JUNE 2016

THE DECISION I S U P TO E U

y the time you read this, the referendum to remain or leave the European Union will almost be upon us and whilst I am not here to persuade you one way or the other, I think there is no doubt that whatever the result, it is likely to have an impact of some sort on our industry.

On the one hand, you can argue that our industry suﬀers from too much red tape and perhaps leaving the union will free us all from bureaucracy – or will it simply take us back to a more unregulated, less safe industry? On the other, will we lose the major global investment that we receive in part because we are an English-speaking gateway to such a large market – or will that investment still come because we are the ﬁfth largest economy in our own right? As I say, I leave you to decide. One thing for sure though is that we will still occupy buildings in the UK … and they will still need heating, cooling and ventilating. There is therefore still a healthy market for the skills only our industry can supply, whether that is through delivering air conditioning or renewable heating and this is where it still pays to

keep oneself up-to-date with new products, new refrigerants and new legislation. As a manufacturer we try to play our part whether that is by producing over 60 free, CPD-accredited guides to legislation or technology (which can be downloaded at our dedicated digital library ( www.library.mitsubishielectric.co.uk), or putting on numerous training courses around the country for air conditioning and heat pump installers and designers. We’re also developing Apps and online tools that make specifying, commissioning and diagnostics easier for anyone out in the ﬁeld and work hard with our colleagues in our factories to make sure that the products we sell and support deliver the reliability and performance you would expect. Whatever the outcome on 23 June, we will all still be here so make sure you are armed and prepared for whatever the result is. Ben Bartle-Ross is a trainer at Mitsubishi Electric. If you have any comments on this column of any other training issue contact him by email: Ben.Bartle-Ross@meuk.mee.com

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18/05/2016 10:02:25

O U T

A N D

A B O U T

JUNE 2016

OUT AND

ABOUT BITZER

Will Hawkins flew to Germany with Kevin Glass, md of Bitzer UK, to see Bitzer’s new training Academy, officially opened in February 2016. Here’s his report.

itzer has invested around €7 million in its new training centre, which has a particular focus on new refrigerants. The new academy, on the outskirts of Rottenburg, is part of a brand new 3,500 sq m site, 1,500 sq m of which is the training centre. The academy sits next to the Bitzer compressor factory. Rottenburg is near Stuttgart, where Mercedes-Benz makes its cars. Engineering and manufacturing is built into the region’s DNA.

The Schauﬂer Academy building has underﬂoor heating and cooling, chilled beams, indoor air quality sensors, and heat recovery systems taking heat from condensing units. The infrastructure includes a 300,000 litre ice storage tank which stores latent energy, solar absorbers and a combined heat and power unit. The ice storage system (which sits in an underground unit beneath the car park) builds up ice through the winter.

Training is hands-on at the academy.

By the end of February, the storage is full and they use the energy in it until around late May, which means minimising compressor use for heating and cooling. As a result, the building has a very small carbon footprint, and was recently awarded a prestigious TGA Building Award in Germany for energy eﬃciency.

Peter Schauﬂer, the late president of the company, had the idea for the new training centre in 2009 when the recession was at its deepest. That is unusual. Most companies cut two aspects of their business in a downturn

Part of the plant room at the award-winning Schaufler Academy’s heating and cooling infrastructure.

Delegates during training at the academy

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A B O U T

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to save money, namely marketing and training. Bean-counters think that cutting investment in customers saves their companies. Not Bitzer. Peter Schaufler knew that to survive and develop, his company was going to have to design and develop smarter compressors. The F-Gas legislation was going to make the market more complex and technical. With increasing complexity and new refrigerants, Mr Schaufler knew Bitzer was going to have to invest in helping engineers apply its new compressors correctly in real-life applications.

Hands-On Training

Volker Stamer, the Schaufler Academy director, explained the background to the training centre and the company’s approach to the skills and knowledge they provide for customers. With its five ‘theory’ and three ‘practical’ training rooms, the approach is designed to make sure that knowledge is backed up by skills. Having theoretical knowledge is important, but not at the cost of knowing how to apply it in the real world. Training in the new centre focuses on applications and not just products. Engineers on the courses will know how to apply solutions using Bitzer compressors. Engineers need to know about the systems and surrounding environment into which they plan to apply the Bitzer compressors and applications. The training is very much ‘hands-on’. Bitzer is moving with the times with its training, making it practical. People learn better by ‘getting stuck in’. There is no simulation when it comes to the compressors. Courses include the latest on the F-Gas regulations, COP21 and EcoDesign, as well as specific programmes on Bitzer compressors and applications. When it comes to natural refrigerants and low-GWP refrigerant training courses, Bitzer has courses on CO2, ammonia, and hydrocarbons, with more to follow.

designers will find the courses useful. Delegates learn about thermodynamics, and be able to compare refrigerants for use in different applications. Bitzer had already trained around 50 UK engineers on their CO2 systems when I visited. Some of the engineers were from retailers using CO2 refrigeration systems. Many of the delegates needed training for commercial refrigeration applications, with some needing skills to apply in industrial refrigeration applications. The demand for CO2 systems is strong. According to Bitzer, CO2 is increasingly replacing HFC refrigerants. “Sales of CO2 [systems] are growing strongly,” was Volker’s reply to my question. Until recently there has been something of a ‘north-south divide’ in the world in relation to CO2 systems. However, since the introduction of the new Ejector technology, which improves the efficiency of CO2 applications also in warmer climates, this is no longer a significant factor. Hydrocarbon-based technology, such as propane systems, were also continuing to develop. As with CO2 systems, there were obviously very important safety considerations to observe, requiring engineers to attend specialist courses to learn how to manage the refrigerant safely. Traditional alternative refrigerants, such as ammonia, remain an important option. Bitzer’s ammonia course is two days long and covers system design, how

to deal with flooded evaporators, and oil management, to name a few aspects. Trainees get ‘hands-on’ with compressors while learning about safety and using a system test container. Bitzer will tailor courses to suit the needs of its delegates too, given that ‘real world’ application is an important aspect of what the academy offers. Volker was keen to point out that Bitzer collaborates with universities and academies, the work from which adds to their training courses. The collaboration with the academic world includes research and funding, and it helps Bitzer to find good lecturers. Furthermore, Bitzer supports some of the students during their studies.

Top of the Class

Bitzer has a reputation for high quality compressors. Visiting their new training centre and nearby factory, you can see why they have such a strong brand in the air conditioning and refrigeration sector. Bitzer compressors are built and designed by people who have a vested interest and pride in developing the best products they can. With their new training academy, Bitzer is demonstrating that its pedigree is not just built on its past. It is built with the future in mind, too. Find out more about Bitzer’s Schaufler Academy and what you can learn with them here: www.bitzer.de/gb/en/ service/expertise/seminars

Inside a Bitzer compressor

Natural Refrigerant Training

Volker’s team has held more than 150 CO2 courses to date, which equates to between 1,500 and 2,000 people with up-to-date training. Installers, system planners and

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Innovation for a Better Business

ARUN-GSS0 (10) 12~18kW ARUN-LSS0 (30) 12~36kW

Multi V S is exceptionally energy efficient and highly reliable

Multi V S VRF Systems 12kW ~ 36.7kW

3 Designed for small to medium-sized spaces 3 Compact and lightweight units 3 Connect up-to 20 indoor units 3 Hydro kit Option* 3 Wide operating range -5˚C ~ 48˚C 3 Considerable installation flexibility *4HP unit not connectable with hydro kit Please note: This product contains Fluorinated Greenhouse Gases. R410A. LG Electronics participates in the Eurovent Certification Programme for Variable Refrigerant Flow (AC) ; the certified models are listed in the Eurovent Directory.

@LGUK_B2B

LG Air Conditioning & Energy Solutions 2015

Opteon™ XP40 → → → → →

65% reduction on global warming potential versus R404A Long term retrofit solution for R404A Complies with the new F-Gas legislation Non-toxic and non-flammable Impressive performance

now In stock BOC Limited The Priestley Centre, 10 Priestley Road, The Surrey Research Park Guildford, Surrey GU2 7XY, United Kingdom Tel 0800 02 0800, Fax 0800 136 601, www.BOConline.co.uk/refrigerants Opteon™ and the Opteon Logo are trademarks or registered trademarks of The Chemours Company. © 2016 The Chemours Company. BOC Limited registered office, The Priestley Centre, 10 Priestley Road, Surrey Research Park, Guildford, GU2 7XY, England. Number 337663 – English Register. Authorised and regulated by the Financial Conduct Authority. The stripe symbol and the letters BOC are registered trade marks. Reproduction without permission is strictly prohibited. © BOC Limited 2016

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T O T Y

SIX REASONS

TO ENTER THE The ACR Trainee of the Year Awards is a sell-out every year for good reason Top Six Reasons 1. Motivate trainees about the potential of winning and its rewards. 2. Companies who have trainees in the shortlist get great exposure during and post-event. 3. Trainees win substantial prizes, including cash, tools, training and manufacturer trips; unique to the industry. 4. Trainees can mix with movers and shakers in the industry, a networking opportunity which is hard to beat. 5. Companies also get a superb networking opportunity to meet with clients and reward members of staﬀ. 6. This is a non–proﬁt event which means that all surpluses go back into training new apprentices and helping the trainers. (We’ve raised over £29,000 to date).

Thursday 8th December 2016 The Belfry, Sutton Coldfield

ENTER AND BOOK TODAY www.acrtoty.co.uk SPONSORS 01489 881503 www.luve.it sales@luveuk.com

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A I R

M O V E M E N T

JUNE 2016

ENERGY EFFICIENT AIR MANAGEMENT

FOR UNIVERSITY LABORATORIES By Ian Thomas, Product Technical Manager – Air Products, TROX UK Figure 1

ir management for laboratories is often overlooked in projects to improve university energy eﬃciency, but this can be an expensive mistake.

Universities are increasingly aware of their environmental performance – both from the perspective of cost, and due to the increasing visibility of performance data in green league tables such as those produced by People and Planet. So those companies able to offer universities specific solutions for reducing lab energy consumption will easily excel in competitive tenders. So how do you approach a lab-specific air movement strategy?

Automatic control

Firstly, explore the possibility of installing a room air management system to automatically control all input and extract air for the laboratory. This has the advantage of ensuring the room balance (and therefore operator safety) is maintained automatically. All devices are connected locally (within the room) by a digital network, see Figure 1. There are three airﬂow drivers: ₀ the number of air changes necessary to meet the safety requirement. ₀ the supply air required for cooling/ heating the laboratory to a comfortable temperature for occupants. ₀ the supply air needed to replenish air exhausted by fume hoods.

3 Fume Cupboards Figure 2

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Figure 3

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A I R

M O V E M E N T

“

19 acrjournal.uk

THE ROOM AIR MANAGEMENT SYSTEM IS ABLE TO PREVENT OVER-SUPPLY AND EXTRACTION OF CONDITIONED AIR FROM THE SPACE.”

EASYLAB

The room air management system (for example TROX’s EASYLAB system) manages the supply and extract controllers in order that they respond rapidly to changes in extract volumes by the technical extract (for example fume cupboards) to ensure the correct air flow balance and room pressure at all times. This significantly improves energy efficiency, as it prevents unnecessary supply of conditioned air to the space. See Figures 2 and 3. The energy savings are made possible by offsetting one form of exhaust air against another. By scaling down room exhaust air extraction in line with fume cupboard extraction when sashes are open, the room air management system is able to prevent over-supply and extraction of conditioned air from the space. There are numerous other possibilities that can be explored. For example, adapting fume cupboards from constant air volume to variable volume air supply

can deliver significant savings. When sashes of fume cupboards are open, the volumes of air required to maintain a safe working environment for laboratory personnel increase significantly. For example, a 900mm wide cupboard with a maximum sash height of 500mm and face velocity of 0.5 m/s would extract approximately 225 l/s of conditioned air from the room. This would be fixed on a constant volume cupboard, whereas on a variable volume cupboard the minimum air volume could be around 55 l/s when the sash is down. Converting from constant volume to variable volume would therefore save 170 l/s when the sash is in the down position for a single cupboard. In addition, a range of solutions can prevent fume cupboard sashes being left open unnecessarily, whilst addressing out-of-hours air management can also deliver savings without compromising operational effectiveness or health and safety. The TROX EASYLAB systems has a range of features designed specifically to address energy efficiency in laboratories and are happy to discuss options. In the meantime, here is a checklist which will prove helpful at design stage.

Visit the Trox website for more information: www.troxuk.co.uk

Checklist for Improving University Laboratory Energy Efficiency 1. Is Variable Air Volume technology being harnessed to avoid over-supply and overextraction? 2. Could devices incorporating sensors be used to close sashes that have been left open unnecessarily? 3. Are air change rates appropriate across the site? Often these are set on a site-wide basis and could be reduced safely in some low risk laboratory areas of the site. 4. Could the air change rates be reduced overnight or at the weekend when the laboratories are unoccupied? 5. Could occupancy sensing be used on a zone-by-zone basis to link air change rate with demand? 6. Could working sash heights for fume cupboards be reduced? Reducing the working sash height from 500mm to 400mm, for example, can achieve a 20% reduction in the air volume at no cost and with negligible impact on working practices. 7. Could fan speed be optimised by detecting and analysing damper blade positions? 8. Could fume cupboard efficiency be upgraded by retrofitting new control technology to existing cupboards? 9. Could local cooling or extraction devices such as ventilated down flow tables, canopy hoods or fume exhaust ‘snorkels’, reduce energy consumption by taking heat away at source?

3 people in the Lab

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C O M P E T I T I O N

20 JUNE 2016

MAY16 WINNERS Winner of the Buckingham Palace Queen’s Gallery with 4 course Michelin Meal and Champagne for two was: Geoﬀ Dawes, Refrigeration and Electrical, Bognor Regis. The Runner Up for the Thames Evening Crise with Bubbly and Canapes for two was: Stuart Lowe, Fred Shaw Ventilation Ltd, 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 10 words we’ve hidden in the word search for your chance to win.

The winner of this month’s competition will win:

AUDIT

CODE

COOLING

DEFRA

ENFORCED

FGAS

GASES

HFC

JUNE

REFCOM

Heavenly Spa Day for Two*

One runner-up will win: Traditional Afternoon Tea for Two*

*Prizes may vary from that pictured.

CLOSING DATE IS 17th JUNE 2016 Send your entry to: Competitions Department, ACR Journal, Warners Group Publications, The Maltings, West Street Bourne, Lincs, PE10 9PH or complete online: www.w2u.en/RefcomComp Name ...................................................................................................................................... Company .......................................................................................................................... Job Title .................................................................................................................................. Business Address ........................................................................................................... ........................................................................................................................ Post code ...................................... Tel ...................................................... Daytime/evening (please circle) .............................................................................. Company email address ..................................................................................................................................................................... Please sign here if you wish to receive or continue to receive a regular

FREE copy of The ACR Journal

FREE e-newsletter

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

REFCOM COMP.indd 20

18/05/2016 16:55

SOME THINGS WERE ALWAYS MEANT TO BE ROUND

GOODBYE SQUARE AIR HELLO SAMSUNG 360 CASSETTE The patented Samsung 360 cassette is a revolutionary first in air conditioning, using bladeless technology to deliver completely even cooling for draft-free comfort. No more expensive ducted units and no more square air.

360 CASSETTE

www.samsung.com/uk/360

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P R O D U C T

R E V I E W S

JUNE 2016

Reviewed & Rated Robin Green MinstR, FSW Refrigeration Product & Marketing Manager presents Rob’s Reviews, a monthly review of all things Refrigeration and Air Conditioning.

ALFA Compression Tape

Diversitech DP-1 Nitrogen Purge Braze Tool

From £19.99 + vat

From £34.99 + vat

o appreciate fully what this product is capable of you simply have to watch the ALFA Tape video online.

You will not believe how good this tape is at curing water leaks even under pressure. It isn’t sticky to touch, but what the manufacturer calls “self fusing” it instantly adheres to itself when wrapped around a wet pipe. You can use it on electrical cables and it’s perfect for insulating and waterprooﬁng heater connections on evaporators as it copes well with temperature variants. Use it for mains water leaks on ice machines etc. as it’s WRAS Approved for use with drinking water. The roll is 3.6 long x 25mm wide.

Rob’s review A product with this capability doesn’t come cheap, and you wont use it everyday, but when you do, it will be the best £20.00 + VAT you ever spent. I have sorted out a number of tricky problems on electrics and plumbing quickly and easily thanks to ALFA tape.

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ometimes it’s a struggle to get the correct ﬂow of OFN through the system when brazing and that is where the DP-1 comes in.

Connect the DP-1 to the outlet side of your regulator, set regulator pressure to 50 psi, set DP-1 to purge to remove air from the system. Once purged, set dial to braze and the DP-1 reduces the ﬂow of OFN to allow you to braze without the worry of pin holes popping through the joint during brazing. It is a compact well made piece of kit easily stored in your tool-bag. Maximum working pressure on the DP-1 is 200psi exceeding this is NOT recommended.

Rob’s review We love the DP-1, it’s competitively priced, pays for itself in no time at all. Worthy of it’s 5 stars and a great favourite with the Review Crew, so much so they bought them the day after our review meeting.

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R E F R I G E R A N T S

JUNE 2016

THE COOLEST WAY

TO COMPLY A-Gas Managing Director John Ormerod with ten top tips on how you should work with the low GWP refrigerant R32. is a complicated topic and this is why EN378 is being updated to reﬂect the changes in the gases available to ensure they can be used in a safe manner.

1 Know why you should make the switch.

R32 will become a big part of the future in air conditioning especially for split systems. Under F-Gas small split systems containing high GWP gases (above 750) will be banned from 2025. R32 is a single component, zero ODP gas with a GWP of 675, signiﬁcantly less than R410A, which has a GWP of more than 2000. Air conditioning manufacturers are planning for this and that’s why systems running on R32 are already available.

5 Remember the van

From a transport perspective transporting mildly flammable refrigerants like R32 is no different to moving Isobutane or Propane. Engineers are used to carrying flammables in their vans already and should be well versed in the requirements of ADR and the transport of dangerous goods. General good practice is required and you should ensure that no cylinders are connected to manifolds or equipment while on the road.

2 Understand why R32 is a good choice.

With excellent thermal properties, R32 is a good choice to replace R410A in small air conditioners. The cooling capacity is higher and the equipment used has a smaller footprint. High volumetric capacity means that you need less gas in a system to achieve the same cooling results you would expect from R410A. From an end user perspective this makes R32 more eﬃcient and more attractive to use.

3 Get ready for mild flammability.

Recognise that R32 is slightly diﬀerent to the refrigerants that you have used down the years. It introduces the concept of mild ﬂammability. Flammable refrigerants, like propane, are already available on the market and are often used in cabinets with small charge sizes.

AGAS.indd 24

6 Handle the pressure John Ormerod

R32 has less ﬂammability than propane but will still be covered by the same European regulation, EN378, which relates to charge sizes.

Know your EN378

When EN378 was written it did not make a distinction between mildly flammable refrigerants like R32 and refrigerants with higher flammability like propane. This regulation is under review and it is likely that there will be a new version published later this year which will add clarity to the use of R32 and other mildly flammable refrigerants. In practical terms flammability

R32 pressures are only slightly higher than R410A and I suspect that engineers would probably not see the diﬀerence given the precision of gauges. My understanding is that air conditioning manufacturers are making the same size connections in thread form as they use for R410A which means the hoses and gauges will be compatible.

7 Get the right equipment

It is important to ensure you have the best equipment in the workplace. There are a number of tool manufacturers who have kit that is ready to use with R32, including recovery units. Talk to your supplier or wholesaler to ensure you get the equipment that most suits your needs.

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R E F R I G E R A N T S

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UNDERSTANDING R32 AND HOW IT WORKS CAN ONLY BE GOOD GROUNDING FOR THE FUTURE WHETHER YOU ARE AN ENGINEER OR AN END USER." 8 Attend the industry events

A-Gas and a number of industry bodies, OEM’s and equipment suppliers have joined forces to raise the proﬁle of R32 by holding a series of breakfast brieﬁngs. Ensure you attend such events to improve your understanding and speak to the industry experts directly. For more information contact A-Gas on 01275 376600.

9 Understand and manage risks Provided engineers and end-users follow best practice and adequately assess the risks around mild ﬂammability, then R32 can be handled safely. In fact, if you are already familiar with using refrigerants like Isobutane and Propane then this should not present a problem. If you are in doubt the Dangerous Substances & Explosive Atmospheres Regulations (DSEAR) are there to advise you.

10 Stay in the know

Another great way of finding out more information on R32 is to listen to the ACR Journal Are You Ready for R32 webinar. This answered many of the questions being asked about the mildly flammable gas. Joining me on the webinar was Scott Davies from JAVAC, Martyn Ives from Fujitsu and ACR Journal Editor Will Hawkins. Go to: https:/ youtube/9XImA5yWcCM Finally, R32 is paving the way for flammable refrigerants which have yet to appear on the market. These gases are likely to be widely used and will help shape a greener future for us all. Understanding R32 and how it works can only be good grounding for the future whether you are an engineer or an end user. www.agas.com

It’s never been more important to keep up with what’s happening about R32 through the media – online and in print. Trade associations, manufacturers, wholesalers and suppliers can also help. So keep your eyes and ears open.

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R O O F

S U P P O R T

JUNE 2016

Rooftop Building Services Support Systems

COCA-COLA COOLING www.bigfootsupport.com

GETS ROOF SUPPORT RIBA encourages excellence in design, good practise and architectural education and

on important such as design standards Big Footcampaigns Systems recentlyissues supplied Coca-Cola GBandasustainability. roof support system for their cooling system in their Wakefield factory, the company recently announced. Big Foot Systems has been recognised for excellence with ISO 9001. Big Foot Systems has been recognised for excellence with ISO 14001. oca-Cola needed are to available expand Copies of accreditations on request. solution also provided safe access for

their production plant’s cooling maintenance of the newly installed AHUs. To assist the smooth installation, Big ventilation capacity by adding Bigair Foot Systems is units pleased(AHU) to be eco-friendly possible. Foot’s Technical Team carried out several two new handling onto where Look out for our green foot symbol! site surveys. The engineered design and their lightweight, seam roof. Importantly, the company speciﬁed that the project should not disrupt their existing production operations making 6,000 canned soft drinks and around 2,200 bottles a minute, including avoiding leaks from the roof. Coca-Cola’s consultant suggested using Big Foot System’s roof support solutions which don’t penetrate roofs and distribute weight evenly, ideal for lightweight roofs. The Big Foot technical team worked collaboratively with HE Barnes, the contractor for the project, and their structural engineer for many months. Big Foot’s technical team was able to propose several solutions for consideration, leading to a fully-developed solution using their HD Beam product to span the main rafters and the purlins, while taking the load back to the main rafters. The

Big Foot.indd 26

technical support by Big Foot allowed HE Barnes to provide a detailed lifting plan and method statement to the Coca-Cola Enterprises Health and Safety team. Big Foot’s Technical Team was also on site for the frame erection and AHU crane lift to the roof, utilising a 250 tonne crane with a 60-metre reach. Thanks to meticulous planning and preparation, the full installation was carried out seamlessly within ﬁve hours of the crane being set up. Big Foot therefore provided the best solution with minimal disruption to Coca-Cola Enterprises Wakeﬁeld manufacturing plant.

HB Beam Support

An HD Beam is a non-penetrative support frame for chillers, AHUs, packaged plant, generators, pipes and steels. It is a robust

DISCLAIMER: Big Foot Systems takes no

the condition of the roof on which butresponsibility flexibleforsolution where space may our equipment is to be used. You must ensure that substrate or on which the Big Systems is be the limited, there is Foot a requirement to intended for use is structurally sound enough to take position directly over existing structural the weight and point loadings we have indicated. roof Weight is must then evenly All steels. Big Foot Systems products be installed in line with the guarantees and recommendations distributed across the specifi ed quantity of the manufacturer of the roofing system. The manufacturer of PVC should advise of HD Beams. Itmembranes is also height adjustable on the susceptibility to migration of plasticizers and to maintain a level system on roof specific recommendations should be adhered to so falls up that the roof guarantee is not affected. to 5 degrees. The Big Foot Safe Access is Hailsham, East Sussex BN Big Foot Systems Ltd., Unit 16,range Apex Park, designed to allow a secure route for www.bigfootsupport.com +44 (0)1323 844 355 service engineers and other trades to gain access to plant and for managing the flow of other personnel. Offering secure and easy access to roof-top services, Big Foot will survey and design custom Safe Access systems tailored specifically to meet individual design parameters. Offering specifiers a comprehensive range of freestanding systems, Big Foot’s products are designed and manufactured by the company for a wide variety of applications, including HVAC, solar units and safe access equipment. The product portfolio provides complete, simple, safe and secure non-penetrative, prefabricated roof support systems negating a need for time consuming and costly penetrations through the roof.

05/05/2016 15:01

Bosch VRF Advert A4.qxp_Layout 1 11/12/2015 08:23 Page 1

Build the complete solution. Heating, hot water and now air-conditioning from Bosch.

NEW

In order to maintain our commitment to meeting your needs, Bosch has added air-conditioning to its commercial and industrial heating and hot water solutions. Our ALL-NEW Bosch Climate 5000 VRF range includes: SDCI Series - All Inverter Heat Pump MDCI Series - Mini VRF Heat Pump RDCI Series - All DC Inverter Heat Recovery For more information, please visit bosch-industrial.co.uk/VRF

Bosch Commercial and Industrial UK

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C O M P A N I E S

28 JUNE 2016

FRANKLIN ELECTRIC C L

ittle Giant traces its origins to 1939 when a couple of enterprising Oklahoma City inventors received a patent for their design of a small, submersible motor used for commercial evaporative coolers popular at the time to provide cooling in movie theatres and other buildings during the hot Oklahoma summers. The submersible motor was a success and in 1941 Little Giant Vaporizer Company was incorporated to manufacture and market the product. The name Little Giant is an antonym referring to the fact that the product is LITTLE but delivered GIANT performance and beneﬁt to the user.

Franklin Electric acquired the brand in 2006 when it acquired the Little Giant Pump Company of Oklahoma City. By the early 1950’s the company changed its name to Little Giant Corporation and later to Little Giant Pump Company. The first products were marketed as Little Giant small water pumps. By 1958 the company introduced its first self-contained, automatic condensate removal pump. The heart of the condensate pump was a Little Giant water pump. As condensate water filled the tank, a switch activated the pump to pump it away, much different than centrifugal tank pumps used today. The Little Giant

condensate pump was one of the ﬁrst and most successful of its type in the American HVAC market by 1966 the company advertising slogan was “World’s largest manufacturer of condensate removers”. For the next 20 years, the Little Giant automatic condensate pump evolved and reached a major milestone in 1978. The company introduced its ﬁrst 2-litre centrifugal tank pump, model VCM-17. Its

CONSTANT RELIABILITY FOR 30 YEARS FIRST WALL MOUNT IN THE UK

1993

80s

1990 1991

1986

DAMON HILL WINS FIRST OF HIS 22 VICTORIES AT THE 1993 HUNGARIAN GRAND PRIX

90s

ENGLAND LOSE IN WORLD CUP SEMI-FINAL TO WEST GERMANY ON PENALTIES

WWW.FUJITSU-GENERAL.COM/UK TEL: 0208 731 3450

PumpHouse.indd 28

FUJITSU LAUNCH R407C AND R410A

1998 1999

FIRST WINDOW UNIT IN THE UK

DAVID BECKHAM INFAMOUS RED CARD AFTER KICKING OUT AT DIEGO SIMEONE

FUJITSU’S NEW WALL MOUNT DESIGN

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C O M P A N I E S

29 acrjournal.uk

design and success has since inﬂuenced all 2-litre centrifugal tank pumps. The small pump, originally intended for residential air conditioning in America worked its way into the British refrigeration market during the 1980’s and became the leading condensate removal pump. During the early 1990’s it had huge success in Europe when installers used it to remove condensate from basement installed condensing boilers. Today, Little Giant model VCMA-20S is the most widely used 2-litre tank condensate pump in England and remains the market leader in America. Pump House has taken many customers over to America to meet the team at Little Giant. Left is one of the pictures with people who attended these trips, many familiar faces. Pump House Pumps Ltd has served as a Little Giant distributor since 2000. Pump House is running a 2016 Little

UK’S FIRST AIR CONDITIONER WITH AUTOMATIC SELF-CLEANING FILTER SYSTEM

Giant ‘Super Summer promotion’. Over the next few weeks your account manager will be in touch to determine the

best deal for you and in addition an early bird discount to ensure you’re stocked for summer.

What are the benefits of buying a Little Giant from Pump House? ₀ ₀ ₀ ₀

No Quibble Warranty Specification Staff Full product training on condensate management Stock in depth

₀ After sales support ₀ On site survey and trouble shooting ₀ On site specification

Thank you for your Little Giant pump purchases over the last 25 years. Craig Peebles, Sales Director, Pump House: 0115 900 5858

FUJITSU LAUNCH 7KW COMPACT CASSETTE

FUJITSU LAUNCH 10KW WALL MOUNT

2016

2012

2000s

2007

2003 2004 2005

TEAM GB ENNIS, FARAH AND RUTHERFORD WIN THREE GOLD MEDALS WITHIN THE HOUR

2001

1999

C CELEBRATES

2010s

PAULA RADCLIFFE WINS HER THIRD AND FINAL LONDON MARATHON

FUJITSU LAUNCH VRF

PumpHouse.indd 29

FUJITSU LAUNCH J-SERIES AKA LITTLE NAPOLEON

VR-11 3-PIPE VRF LAUNCHED

FUJITSU LAUNCH THE CIRCULAR FLOW CASSETTE

19/05/2016 16:22

L E A K

P R E V E N T I O N

JUNE 2016

SPECTROLINE INTRODUCES

NEW APPROACH TO S Spectroline, one of the world leaders in leak detection, has just launched Cool Seal, an entirely new method for repairing problematic refrigerant leaks that also promises to safeguard systems against future leaks.

We asked a group of AC&R service engineers to come up with a list of the most hated, most annoying, and the most difficult to find and fix refrigerant leaks in the book. See if you agree; here’s their top four: 1. Pinhole leaks: tiny, microscopic, hairline cracks or leaks releasing very small traces of refrigerant, which are very hard to locate 2. Intermittent leaks: slow, sporadic, on/off leaks 3. Hidden leaks: leaks within concealed pipework that cannot be accessed easily 4. Multiple leaks: numerous small leaks within the same system (fix one, and then discover there’s another somewhere else)

efrigerant leaks are a timeconsuming and costly business for both experienced AC&R maintenance contractors and the businesses running the air conditioning system.

For service engineers, leaks can take a long time to ﬁnd – let alone repair – particularly if the puncture site is very small or hidden from view of the engineer on site. For the company operating the system, leaking refrigerant costs money, damages the environment, increases its carbon footprint, and greatly reduces a system’s eﬃciency, reliability and lifespan. With reduced pressure and refrigerant levels, the air conditioning system has to work harder and use much more energy to maintain the same output.

Advanced Engineering.indd 30

Problematic leaks

While some leaks are relatively easy to spot and seal, most AC&R service engineers recognise that there are a range of leaks that are much more problematic than others. These leaks are harder to detect, harder to find and harder to fix. In some cases, service engineers will be aware that a real leak definitely exists in the system from reduced pressure levels over time, but small leaks like this that discharge minute levels of refrigerant can be near impossible to locate.

There are few things quite as frustrating as spending an hour with an electronic detector combing an a/c system for a leak you never find. So what are the most problematic leaks, and what is the best way to deal with them effectively and quickly? It is usually the smallest, most hidden or concealed leaks that take engineers the most amount of time to repair, but typically, just finding these leaks in the first place can be the most time-consuming job of all. Larger leaks are clearly much more obvious and easier to locate and repair because more tell-tale refrigerant is escaping for detectors to find. It is the small, hidden or intermittent leaks that have been the greatest problem for service engineers for many years.

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P R E V E N T I O N

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O SEALING LEAKS The solution

Now, however, Spectroline has formulated an entirely new type of leak sealant called Cool Seal, one its makers say is designed to ﬁx all four of the examples our engineers gave us above with one application. Not only that, Spectroline and Advanced Engineering also recommend it as a preventative maintenance measure because it is formulated to continually safeguard the system against future leaks. Distributed exclusively in the UK by Advanced Engineering, Cool Seal is Spectroline’s brand new leak detection method. Composed of aliphatic hydrocarbon compounds, it is safe, nonreactive, easy to use and non-polymer which means it doesn’t harden when inside the system. The AC&R service engineer injects the Cool Seal liquid formula into the low pressure service point using a supplied EZ-Ject Kit, allowing it to circulate harmlessly throughout the system. That’s it. When a break or leak does occur, internal pressure within the system causes refrigerant and oil molecules to rush to the leak site to be expelled.

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Now here’s the science bit: Cool Seal molecules also rush to the same leak site, but because its single, double and triple aliphatic compounds are much larger and longer than the surrounding

molecules, they accumulate and group together at the leak in a process known as “ﬂocculation”. This ﬂocculation or build-up of larger, more complex molecules directly over the leak site physically blocks and seals the leak, preventing the much smaller refrigerant or oil molecules from escaping. Most importantly of all, unlike polymerbased leak sealants – which react with moisture or oxygen at the leak site to form a hard patch – Cool Seal is an entirely polymer-free and oil soluble formula, so there is no hardening whatsoever and no troublesome clogs because no such chemical reaction takes place.

Preventative maintenance

As mentioned earlier, when you have Cool Seal circulating in an a/c system, it is always on guard and ready to ﬁx any future leaks, making it ideal to use as a preventative maintenance measure. Even if an air conditioning system is not leaking refrigerant, Cool Seal can be safely introduced solely as a preventative method for sealing leaks that haven’t happened yet. Cool Seal is safe to use in all popular AC&R systems, including high-pressure R410A systems, and quickly seals the most problematic leaks up to 0.3mm in size in compressors, condensers, evaporators, O-rings, hoses, etc. Available in two convenient delivery systems, Cool Seal meets ASHRAE 97 standards for chemical stability and is especially useful as a low cost alternative to expensive parts replacement, particularly in older AC&R systems. To ﬁnd out more about this revolutionary new approach to refrigerant leaks, visit the Advanced Engineering website at www.advancedengineering.co.uk.

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V R F

JUNE 2016

Bosch Brings

A Breath Of Fresh Air T Earlier this year leading manufacturer of heating and cooling technologies, Bosch Commercial and Industrial, confirmed its entry into the UK air conditioning market with the launch of a new VRF range. Here, Jonathan Skelding, Commercial Technical VRF Consultant at Bosch, discusses the manufacturer’s ambitions and predictions for 2016 and beyond.

onsultants, contractors, architects and specifiers within the building services industry are increasingly faced with the challenge of recommending and installing flexible heating and hot water systems with the ability to maximise efficiency. The commercial VRF market forms part of this, and in recent years has been going from strength to strength – delivering around 12% growth in 2015 alone.

With this in mind, introducing a VRF range which offers efficient heating and cooling comfort on a large scale builds perfectly on our established range of commercial and industrial boilers and Combined Heat and Power (CHP) modules.

What makes Bosch different?

Although many in the industry will be familiar with Bosch, our name tends to be associated with heating rather than cooling. We therefore consider expansion into VRF an opportunity to bring the strength of the Bosch brand and its proven track record of delivering energy efficient systems to new customers. Currently, consultants and specifiers have to do a lot of leg work in order to cost and organise a project. Within this there can often be certain aspects of a project some contractors cannot price for or accommodate. In an age of increased concern over streamlining efficiency, there is a need for manufacturers to offer a complete build solution with one point

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of contact throughout the installation making contracting simpler for everyone. Bosch has a superb reputation for supporting customers from the beginning of a project right through to the commissioning stage. In an industry where aftersales is all too often an afterthought, we have a dedicated aftersales team able to support, guide and provide servicing options to the end user. We are also looking to extend Bosch’s 24-48 hour policy to the supply of VRF systems as having to wait 2-3 weeks for an engineer to attend a site does not correlate with the 24 hour expectation of the world we live in. What is particularly exciting about our

VRF

new VRF range itself, is its continuous heating capability – which comes as standard. This feature allows each module to provide constant source of heat while simultaneously performing a defrost cycle in temperatures ranging from -20°C to 48 °C and is vital for keeping room space at an optimum temperature. We have invested heavily in our VRF offering and feel this, together with our underlying commitment to reliable manufacturing, will give customers the confidence they need to invest in what is often a sizable purchase.

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33 acrjournal.uk

r To The Market Taking control of the future of air conditioning

Intelligent and integrated Building Management Systems (BMS) are key to the future of air conditioning, and Variable Refrigerant Temperature (VRT) or Variable Refrigerant Volume (VRV) technologies are increasingly feeding into these. VRV and VRF equipment is easily integrated within BMS and as a result manufacturers are focusing on intelligent controls to support the development of integrated systems. The importance of effectively monitoring more than one site is likely to increase and our system offers the next generation of air conditioning monitoring. The innovative control system allows users, such as facilities managers who may look after multiple sites, to remotely access our systems and receive text message alerts should the system encounter an error. This is helping to streamline the process of site visits, yet we are keen to see this concept develop further to benefit other roles within a project too. Monitoring technology is also set to benefit landlords by updating users with proportion usage charges and providing energy saving hints and tips. This helps tenants to receive a more representative energy bill without the need for additional monitoring visits and can even provide energy saving tips and hints. With the benefits of controls and remote monitoring so clear, it is likely the ability to report on usage will be a key theme in the future of air conditioning in the UK.

Looking to the future

One of the biggest challenges the industry faces is having enough trained people to correctly design projects. While some sites may try to save on consultancy fees, this can often result in more problems than

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About Jonathan Skelding Jonathan Skelding has been in the Air Conditioning industry for nearly 10 years, having started off as an engineer at just 17. Since then, he has gone on to be a Project Manager, and is now a VRF Technical Consultant with Bosch Commercial and Industrial.

it solves; slowing down installations and the resolution of issues should they arise. Ultimately, the cost of not consulting an expert or designing a project properly can end up costing a lot more in the long run. As a result of this, it is vital for the market to invest in professional development. Bosch has recognised this need and is currently building a new facility at its Worcester headquarters. Planned to be opened in the summer, the training courses focus on installation, commissioning, fault finding and controls set up. This skills gap is something the industry not only needs to fill in the shortterm but then completely overcome in readiness for years to follow.

For more information on Bosch Commercial and Industrial and its range of products and services, please visit www.bosch-industrial.co.uk or call 0330 123 3004. Alternatively, follow Bosch Commercial and Industrial on Twitter (@BoschHeating_UK) and LinkedIn (Bosch Commercial and Industrial UK).

As a newcomer to the market we are especially excited to see what the next five, ten and even twenty years will bring to the industry and feel that our aim of making an impact with a fresh approach to installations, which focusses on making the contracting and after-sales support much easier, will form a key part of this.”

18/05/2016 16:43

www.integral.co.uk

delivering engineering excellence

As the leading independent provider of mechanical, electrical and fabric maintenance services in the UK, we provide a range of maintenance solutions individually tailored to suit our clientâ&#x20AC;&#x2122;s needs. Our one team approach is the means by which we fulfil our promise of delivering engineering excellence. This brings together the combined skills and expertise of our people and through our process of continuous improvement, driven by leadingedge technology, ensures we provide our clientsâ&#x20AC;&#x2122; with cost-effective, sustainable solutions every time. We are Integral UK Ltd.

enquiries@integral.co.uk

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22/01/2016 16:27 18/05/2016 09:17:16

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WOMEN in the

ACR industry E M M A

C H I L D S

This month, the ACR Journal interviews, Emma Childs, 18, an Apprentice Engineer at Eastleigh College Where did you study and what course/ diploma/degree did you gain? I’m currently studying a Level 2 Apprenticeship in Refrigeration and Air Conditioning at Eastleigh College, working as an Apprentice Engineer at my dad’s company. I’ve been at College for two years’ now and I’m due to complete my qualification this summer. I would like to go on and complete the Level 3 qualification at some point, but I’m not sure if I’ll go straight into this. My favourite part of my Apprenticeship this year is actually the theory – it’s a lot different to what I’ve done before, and I can go home and chat to my dad about it. He gets very excited to be able to talk about his industry with someone at home!

Tell us about your current employer. I work for my dad’s company, Whiteley Engineering, which is based in Fareham, Southampton. We do a lot of work for other companies and get to travel around a lot. My dad got into the industry when he was 16 and later set up his own company. My sister sometimes does the accounts, and even both my grandads have worked here! From the places we usually travel my favourite has to be Cornwall, but my dad has worked all over the world including places like America, Russia, Kazakhstan and New Zealand.

What attracted you to the industry? My dad needed a hand at one of his jobs in Bournemouth one summer, so I was roped into helping for a few days. I was only rolling out copper and doing some lagging, but I really enjoyed it. So I decided to apply for the course at Eastleigh College only a week later! I had planned to go and study A levels, as I was always told that was the route to take, but learning in a classroom just isn’t for me. Plus this way I get paid to work, which is a much bigger incentive.

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Emma Childs

WHEN I FIRST STARTED I WAS WORRIED ABOUT HOW MEN WOULD REACT TO WORKING WITH ME, BUT ACTUALLY THEY QUICKLY BECAME USED TO ME

What do you specialise in now? Or, what type of projects do you work on? I specialise mostly in air conditioning; I’ve done one refrigeration system before. I’m better at the electrics than the older people I work with, because my eyesight is better and my hands are smaller, so I can work at making the electrics neater. Most of the work we do is based in places like hospitals and large supermarkets like Tesco, but because my dad has so much knowledge from his years in the industry we quite often get called out to diagnose and fix problems all over the country. Continued on page 36

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What are the challenges of this industry? Knowledge; there is just so much knowledge to learn. Every time you do a new job you learn something new, even if that’s something new that has gone wrong. As a woman, you also need to compensate for not being as strong as the men you’re working with. For example, I’m not strong enough to carry my tools in a toolbox or holdall like the other guys, so I have to use a backpack.

What are the benefits of being in your role (e.g. travelling, variety, monetary?) No day is ever the same. You also get paid while you’re learning, and even though you’re on an Apprentice wage, your pay does go up with experience. Doing an Apprenticeship was the best thing for me, I definitely wouldn’t have succeed by going through the academic route.

What industry competitions or events have you participated in? Continued from page 35

What do you know now about the industry which you wished you had known before? When I first started I was worried about how men would react to working with me, but actually they quickly became used to me and it’s not long before you become one of the lads. They don’t treat me any differently to any other colleague. I also wish I’d known how difficult it would be to find steel toe-capped boots in a size 4!

What would you say to other women who are considering coming into the ACR industry? I would say it’s worth it – you gain a lot of confidence and learn how to hold your own. I’d warn people that sometimes the hours are long, but they are also flexible so it’s a bit of give and take. It’s really fun, rewarding and you get to meet lots of new people and make good contacts. You’ll also see your fitness and strength get much better!

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

Where do you see your career developing?

I like learning new things all the time, and experimenting with new gadgets and tools – it’s good to keep up with the latest technology in the industry. It’s also great that if something goes wrong with an appliance at home, I can fix it without having to call someone out. I recently fixed my grandparent’s fridge for them, which saved them some money.

I’d like to be as good as my dad one day, with vast knowledge and expertise. At some point I will take over the business, and I hope to grow this and employ more people which is something my dad never did. I’d like to have a family at some point so I need to think about how I can take a back seat when this happens and still run the company successfully.

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Last year I took part in the regional SkillFridge competition. I didn’t get through to the nationals, but it was a great experience which has given me confidence in myself and skills beyond my level of study. We had to build an air conditioning system and test it (similar to an F-gas assessment) and also do some electrical tests. We had to make sure we were within the time frame and attention to detail was important – it’s nice not to always need to work under that much pressure!

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R E F R I G E R A T I O N

38 JUNE 2016

DO YOU WORK IN YOUR CUSTOMERS BEST INTERESTS? David Bostock, director at Integral, explores the boundaries between what customers want and what the refrigeration industry offers.

s a contractor or service provider do you provide the best solution for your customers, or is the solution you oﬀer really best suited to you? Do you understand the diﬀerence between what a customer says they want, what they really need, and what you want to supply?

“

Do ‘we’ make it easy for them to understand what they really need? Our customers generally do not care about ‘our’ problems – they have enough of their own. They just want their problem solved in the best possible way, and of course the ‘best possible way’ is diﬀerent for each customer! They want a solution. They deserve the best solution. Does my customer care if I work for a Retail, Commercial or Industrial refrigeration company? Does he know what the diﬀerence is? No, he just asks ‘can you solve my cooling problem?’ Having spent a lot of time explaining his problem to me, what better way to frustrate and disappoint them than to say ‘Ah, you need a Retail/ Commercial/Industrial* (delete as appropriate) contractor – sorry we do not do that!’

What is best for the customer?

As a truly independent solution provider at Integral, we are free to choose the optimum system designs and equipment selections to achieve the best solution, across all capacities and applications.

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OUR CUSTOMERS GENERALLY DO NOT CARE ABOUT ‘OUR’ PROBLEMS – THEY HAVE ENOUGH OF THEIR OWN”

We can choose from all manufacturers and product ranges. This is a powerful advantage for our customers. We consider all refrigerants, construction materials, and equipment selections from a full range of technologies and applications, and match the best approach to the speciﬁc problem, based on the customer’s David Bostock – Integral

definition of what constitutes ‘best’, not ours. This could be lowest total life cycle cost, reliability/availability, environmental friendliness, low capital cost, highest efficiency, low noise, minimum size etc., The permutations of these ‘key drivers’ are almost limitless, but they uniquely define a customer’s expectation of what is ‘best’.

Industry Jargon Means Nothing to Customers

As engineers we ﬁll the world with acronyms and divisions, pigeonholing the world into bite-sized chunks that we can deal with. RACHP, M&E, MEP, HVAC, HVACR, Retail, Commercial, Industrial, R1234yf, BIM, CDM, PED, WSE etc., what does any of this mean to an industry ‘outsider’? Only we (the insiders) understand this ‘language’. We complain that our customers (the users of the systems, and the people who pay us), do not understand our problems. This sounds like medical doctors and scientists giving everything a Latin name – and do we complain about them? Just think like a customer for a moment- what is the diﬀerence between M&E (in a building) and Building Services? When is a refrigeration system

19/05/2016 15:38

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SO RATHER THAN OLD TRADITIONS, SECTORS, BOUNDARIES AND DEFINITIONS THAT RESTRICT US, OUR FRESH APPROACH ENCOMPASSES: 1. To be ‘Big’ when the customer needs it or expects it - 1700 mobile engineers, operating from every UK postcode.

refrigeration

2. Be Local when needed or preferred – with 17 branch locations across the UK, we can quickly and easily visit you at your location, to listen and observe your process and problem. 3. Be technically skilled – offer the customer’s definition of ‘best’ solution based on a full range of technical and practical options. Exclude nothing in your initial thinking. We can do everything.

Commercial or Industrial (or should it be Retail)? Let’s not even mention Domestic! Even more confusing for our longsuﬀering customers, is when we try to explain the diﬀerent types of refrigerants to them and why we have to change yet again! This is never a good start to a ‘plain –English’ conversation. Synthetics or natural – are we discussing refrigerants or breast augmentation? I begin to suspect that consultants (bless them all) are really just interpreters between end users and ‘the industry’ – trying to make sure that nothing is lost in translation. We insist on discussing ‘degrees C and kW’, and the end users says ‘frozen not chilled pizza and 10 tonnes per hour’. Like doctors, I am sure that we create boundaries, pigeonholes and technical jargon where none is really needed – ‘Plain English’ would serve is much better; and why stop serving your customer just because the capacity is larger, or smaller than ‘your’ normal (and not their normal).

4. The best added value from the full range of equipment, products, applications and solutions available. We are independent of equipment manufacturers. 5. Be open to new technologies and innovations. Integrate these into improved ‘best’ solutions. 6. Think BEYOND traditions and boundaries.

A Clearer Type of Engineering Heat Energy Movement

A good example of thinking beyond traditions:We used to be defined as the RAC sector (Refrigeration and Air Conditioning). We now refer to ourselves as the RACHP sector (adding Heat Pumps). What now is the difference between RACHP and HVAC (which I sometimes see as HVACR)? The ‘cooling’ sector is now involved in heating (and the heating sector now offers refrigeration technology as heat pumps). We are evolving into Heat Energy Movement engineers, and within Integral we can ‘integrate’ (pardon the pun) this into the wider range of utilities, to become

Integrated Energy and Utility Engineers offering the best ‘integrated’ solutions across all the energy and utility needs of our customers. We choose to embrace change and respect traditions, whilst thinking beyond them. Who else can do all this across all our traditional sectors and applications? We work with customers and staff, so if thinking beyond old traditions and definitions interests you – then get in touch with us and we can push some boundaries back together. A New Way of Thinking – Delivering Engineering Excellence www.integral.co.uk

Understanding the Customer’s Processes

Integral is primarily an engineering service provider. We are in a relationship with the customer for the long-term and aim to provide the best technical engineering service to support and improve the customer’s business or process. To achieve that, of course, we have to understand the customer’s process and reﬁne and innovate with them, for their continuous improvement, and to ‘stay with them’ as they evolve, and not just as ‘our’ industry changes. In this manner, we can ensure a trusting, mutually fruitful, long-term partnering relationship. Customer service satisfaction is our goal.

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R E F R I G E R A T I O N

40 JUNE 2016

Will 2016 be the year of A2Ls? Introduction

There are an increasing number of new low GWP refrigerants being placed on the market. Exhibiting similar performance properties to HFC refrigerants, a big attraction is their lower global warming potential, which over the coming years will become crucial in meeting EU 517/2014 – the revised F-gas regulations. Such low GWP refrigerants are often flammable and are classified by ASHRAE as A2L. Figure 1 offers a simplified guide to refrigerant classification.

A2L: Mildly flammable, what does this mean?

A2L refrigerants exhibit low toxicity and are mildly ﬂammable, but what does this mean? In terms of toxicity, like HFCs, A2Ls have a permissible exposure limit of >400ppm and the related risk of accidents is low. In terms of an A2Ls ﬂammability they typically require:

Alan Jackson, BJA Refrigeration Consultants

A2L Refrigerants:

MILDLY FLAMMABLE, BUT WHAT DOES THIS MEAN? By Alan Jackson, BJA Refrigeration Consultants

₀ Greater than 0.3kg/m³ concentration in air to burn ₀ A heat of combustion of <19,000kJ/kg ₀ A burning velocity of <10cm/s The effect of ignition from A2Ls is low (when compared to hydrocarbons) and they are difficult to ignite. It is necessary that components with ignition sources are avoided, and appropriate ventilation is provided where necessary as per guidance to relevant standards. E.g. BS EN378. In practical terms the quantity of an A2L would have to be greater than an A3 to create a flammable mix, as its flame when ignited travels at a slower rate. This has a positive impact on the maximum charge size of an A2L when compared to an A3 refrigerant.

Secondary Refrigerants for the protection of Process Cooling, Refrigeration and AC systems tel: 01792 586800 BJA.indd 40

info@hydratech.co.uk

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Figure 1 A

A (LOW Toxicity)

B (HIGH Toxicity)

1 (NON Flammable)

A1: HFCs

B1: Rarely used

2L (MILDLY Flammable)

A2L: Low GWP, HFC replacements

B2L: Ammonia

2 (LOWER Flammability)

A2: Rarely used

B2: Rarely used

3 (HIGHER Flammability)

A3: Hydrocarbons (R1270, R290 etc.)

Will 2016 be the year of A2Ls? A revised edition of BS EN378 is due to be released in 2016. The revision will include A2L refrigerants and it will provide guidance on the Lower Flammability Level and practicalities of use to determine a maximum charge volume. The maximum charge volume for a given application will need to be carefully calculated as the use of A2Ls increases over the coming years.

Summary

A2Ls will have a place in our industry, to what extent cannot be predicted. If you are considering an A2L it is essential that you consider the following: ₀ Flammability potential – consider suitable segregation, component choice and eliminating ignition sources where appropriate ₀ Install a suitable leak detection system ₀ In plant areas (rooms or containers) ensure a forced ventilation system is installed where required that activates upon detection of a leak ₀ As with any refrigerant – handle with care in a ventilated area with tools and equipment speciﬁc for the refrigerant.

B3: No refrigerants

An advantage of A2Ls opposed to other low GWP refrigerants such as CO is that they operate very similarly to A1 HFC refrigerants. A2Ls may be more expensive, especially initially however this may be an acceptable trade-off when assessing their application against other alternative refrigerants Finally, there is certain to be all sorts of different information flying around over the coming months regarding A2L’s. Some of this information will be less accurate than others. If you are considering using A2L’s and wish to receive impartial advice from independent expert consultants, please do not hesitate to get in touch. Visit the BJA website for more information about A2L refrigerants: www.bjacool.co.uk

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H E A T

P U M P S

JUNE 2016

From the ground

TO THE ROAD! See why HT Energy, with a NIBE installation, won the coveted National ACR&HP Awards 2016

Dawson is a truly multi-modal provider oﬀering logistic services including road transport; rail freight; quayside loading and unloading as well as warehousing and storage, all from their Teesside Hub.

With a dynamic road fleet, a choice of rail terminals and shipping berths they provide effective and cost efficient solutions for the transportation of a variety of conventional & unconventional cargos.

Working closely with their clients, they have created a state of the art, purpose built storage facility allowing the stock to be kept in a speciﬁc environment which safe guards the quality and value of the steel. The Steel store holds over £15 million worth of stock at any one time, brought from TATA Steel’s factory by train directly into the building on Teesside. The valuable stock is then stored in a controlled environment until it is delivered by road to the NISSAN automotive factory at Sunderland to be made into cars.

Challenges

The client was given a speciﬁc challenge which was to be able to keep the inside ambience of a cladded building at a safe level to store valuable steel coils for the automotive industry. The minimum temperature of the “indoor climate” could not be allowed to drop below 14°C in winter and could not be above 65% relative humidity at any time! ₀ The estimated energy demand for the building was 2,038,680 kwh/year ₀ The estimated energy usage for the GSHP systems was 558,542 kwh/year ₀ This offers a saving of approx. £34,000.00 per year (gas @ 5p/kwh, elect @ 12p/kwh) ₀ This also means a huge reduction in carbon emissions of 300 tonnes per year by not burning fossil fuel. ₀ The Seasonal Performance Factor of the installation was calculated as an average of 3.65 SPF with an actual figure of 3.64 SPF after 6 months therefore well on track to achieve the desired performance and efficiency.

Available in split and monobloc types, 3kW~16kW and a 16kW high temperature split. Complete with simple to use controller and online user videos. Therma V the homeowners choice.

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To ﬁnd out how LG’s Therma V can reduce utility bills and lower carbon emissions email: HVAC.marketing@lge.com Please note: This product contains Fluorinated Greenhouse Gases Model shown 3kW monobloc. Follow us

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H E A T

acrjournal.uk

If the steel was £6.5 million project allowed 130000m3 to be cold, when it reached 2900 coil spacesthe warm 58000 tonnes steel car coil factory capacity the steel 208 days from start could to finish! potentially sweat and moisture could form on the surface causing corrosion rendering the stock useless. With a stock value in excess of £15,000,000 this was not an option. AV Dawson started the process of looking for the best solution early in 2014 as the building ground works started. Considerations were made for a renewable source of energy to support their needs. They investigated several different avenues including biomass boilers, high efficient gas boilers and even the waste heat from a neighbouring anaerobic digester plant. They needed a reliable source of heat available 24 hours a day, it had to be a low energy usage solution with minimal servicing and maintenance. The system must have the ability to react quickly and sustain its output during high demands such as when doors are opened during trains and wagons entering or leaving the shed.

Best Solution

HT Energy Ltd designed a solution using NIBE Ground Source heat pumps to more than satisfy the client’s requirements. They worked closely with Drapervent who supply air handling units to create a proactive heating/dehumidification system. Energy calculations were formulated and a specification was delivered by HT Energy to match the required energy. There was a full geological survey produced to estimate how the ground below the site could support the energy extraction needed for the system to work efficiently. It was found that the water aquifers had a tidal effect and could supply plenty of energy day after day. In fact it was found that the incoming temperatures rarely dropped below 9°C over the winter months. This meant the heat pump’s efficiency was very high. To maximise this effect we designed a closed loop bore-hole array which was deep enough to take full advantage of the water movement below ground. There are 70 x 150m deep bore holes located across the entire length of the building. One of the crucial design aspects of the system was that the heat and climate control had to be even across the building. To create this even spread we placed 10 stand-alone systems along one side of the building. Each one comprised of a NIBE F134560kw unit with a 500 litre buffer store tank to reduce cycling and starts/stops. Therefore we had 600kw of output ready to deliver.

NIBE UpLink™

The 1345 Heat pump controllers incorporate internet connectivity to allow full control and interrogation of the heating and hot water system from anywhere in the World. It gives the customer and the service engineer a valuable tool to monitor the running of the entire system and it even emails when there is an issue to look at. For further information visit www.nationalacrheatpumpawards.uk

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• 2050mm Long x 1400mm Wide x 154mm 90ltr – 300ltr SOLAR tinu r65kg e g n a h cx e t a e H sely ts 31• - Coil stininuCoil rooTechnology, dnI VRV Duplex Deep. Weight HE • 20 Tube or 30 Tube Kits + Extension Kits Stainless Steel THERMAL • Latest Grundfos Pumping Stations & • All models 550mm Dia & ErP Labelled CYLINDERS • Single Phase units, Cop 5.08 B0 KITS • Unique Crevice Free Construction. High Specification Controller

• Tiled or Slate roof Versions. European W3525yr= Warranty Over 500% Efficient Solar Keymark Approved • Inverter Driven, 3kw – 18kw GROUND Variable speed output range H sn-18kw oisn emiD 401•xx6Fully 541xmodulating 793 DxWx4kw • Compact in size 885mm4H SOURCE 1135mm H x 1170mm Dthxg650mm W gK i eW 77 et tessac590mm gBIOMASS nilieC W x 660mm D. • Patented door mounted pot, 120kg built in HEATPUMPS hopper & A Rated pump m 03 . x a M 65 deg + Flowm07 .xaM PELLET • Efficiency of 93%, Class 5 Emissions, Lambda Sensor & MCS approved • Inbuilt A rated Brine / Heating t i n u r o s s er p m oC BOILERS • Weatherproof Casing, No Buffer Required det cuD & System kit pumps & built in back end protection

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18/05/2016 16:41

P R O D U C T S

WHAT’S NEW

JUNE 2016

New Energy Efficient Plug Fans from Munters

Plate Heat Exchangers Combat Legionella Risk

Munters has recently added energy efficient plug fans to their portfolio of products. Installed by Munters experienced, in-house service engineers, these new plug fans are designed to improve energy efficiency and reliability. Designed to replace older belt driven fan technology, direct drive plug fan technology removes the need for belts or pulleys, resulting in fewer losses and less maintenance. Proven to reduce fan/motor energy consumption by around 30% and fan/motor running costs by 50% (estimated), plug fans can deliver ROI in under 2 years. Karl Lowe, Service Manager for Munters UK, said “We have worked with several customers who have been able to see energy savings greater than expected.” Suitable for any air handling unit (AHU), Munters service engineers offer a FREE energy survey and validation service using high performance data loggers for accuracy of savings. For more information, visit the Munters website www.munters.com/en

The recent prosecution of Reading Council for the death of an elderly resident who contracted Legionnaire’s Disease while staying in a care home highlights both the danger posed by this strain of viral pneumonia, and the responsibility that property owners carry for its control. While such actions as the regular disinfecting of shower heads are a necessary precaution, it is far more important that the building services are designed to deny the Legionella virus a breeding ground. This is why Stokvis Energy Systems recommends the use of plate heat exchangers as the best means of supplying ample hot water in buildings other than single dwellings.

Chris Prentice Joins JS Air Curtains

A-Gas Launches New Gas-Trak Online Website

Chris Prentice has joined JS Air Curtains as the Area Sales Manager for the Midlands and North of England. Chris, who is based in Sutton Coldfield, Birmingham, has over 20 years knowledge and business experience in the HVAC industry having previously worked at ICS Cool Energy and Fläkt Woods. In his new role at JS Air Curtains, Chris will be responsible for supporting and strengthening air curtain sales throughout his region in the middle and north of England. JS Air Curtains, the UK’s leading air curtain specialist, supply an extensive range of air curtains for all commercial and industrial applications.

A-Gas, the refrigerant specialist, has launched a new website for its F-Gas reporting and cylinder-tracking tool, Gas-Trak Online (GTO). Engineers can sign into their GTO account where they can find extensive support and a wide range of features to help them manage refrigerant and cylinders more easily. GTO, a free download for smartphones and tablet PCs, was designed for contractors. Its latest feature is a cylinder fleet manager which saves time when tracking them. The complex task is made easier with GTO and it will help to save rental costs. Manual entry of cylinder numbers is no longer necessary. Contractors simply scan a barcode on the cylinder using the app.

For Further information: www.jsaircurtains.com

To visit the new GTO website go to www.gastrakonline.com

New British Made RayTemp 2 Non-contact Thermometer

CIAT introduces new flagship AC control and monitoring platform

The RayTemp 2 is the first in a new series of non-contact infrared thermometers designed and manufactured here in the UK by ETI. The RayTemp 2 is an easy to use, low cost, infrared thermometer that measures surface temperature over the range of -49.9 to 349.9 °C with an assured accuracy of ±1 °C over the range of 0 to 100 °C. Simply aim and press the measure button to display the surface temperature, the mode button allows the user to select °C or °F, display the ambient temperature and the emissivity value whilst the max/min button displays the highest and lowest recorded temperatures over the measurement period. The RayTemp 2 comes with a free traceable certificate of calibration and costs £30 ex VAT. Contact: ww.etiltd.com

For further information on Stokvis Energy Systems 020 8783 3050 www.stokvisboilers.com

CIAT UK has introduced its new flagship air conditioning control and monitoring platform, M2M, which gives end users and engineers unprecedented remote access to equipment from any PC, tablet or smartphone. The combined control and monitoring capabilities of M2M enable engineers to: o quickly adjust equipment operation o remotely diagnose problems o reduce equipment downtime and cut maintenance costs; o access detailed information in real-time o reduce the carbon footprint of equipment over time, as part of an ongoing energy management program. For more details, contact CIAT on 01372 220251 sales@ciat.utc.com

To advertise your product in the ‘What’s New’ section please contact What's New June_2016.indd 44

theresag@warnersgroup.co.uk

18/05/2016 17:40

Branch Manager Bristol

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

We are looking for an ambitious Branch Manager to join our team. The Branch Manager will be based from our Bristol branch. You will manage, promote and develop the sales and marketing activities of the complete range of the company’s products through the Bristol branch. In addition, you will control and motivate branch staff, control stock levels and manage resources efficiently to maximise the performance of the branch. You will be an ambitious, self motivated individual who is able to work on their own but also as part of a team. You will have a passion for high standards, with excellent communication skills. Proficiency in the use of Microsoft Word and Excel is required. The ideal candidate will have a good knowledge of installer and contractor needs. It is essential that you have a driving licence. This is an excellent opportunity for someone looking to embark on a successful career in sales management with a truly market-leading business. Please apply in writing or via email enclosing your current CV to: Rachel Wenman RW Refrigeration Wholesale Unit B, Imperial Park Randalls Way Leatherhead Surrey KT22 7TA

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

Tel. 01372 389221 E-mail: wenmanr@rw-wholesale.co.uk

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

Refrigeration & Air Conditioning Suppliers 2:57 PM

www.rw-wholesale.co.uk

Page 1

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

SERVICE MANAGER West Midlands c£48k + bens +car You will be responsible for managing and motivating a team of service engineers and support staff. The ideal applicant must have Service Management experience in the refrigeration sector matched with commercial, business development and man management skills. Ref T3350

Please check out our new website www.ashburyassociates.co.uk

SERVICE SALES ENGINEERS London & North West to £40k + com + car The successful applicants will be responsible for a Service Sales in London and the North West. Calling on end users and Facility Management companies, generating enquiries for service and maintenance contracts for air conditioning equipment and systems. Ref T3349

INTERNAL SALES MANAGERS

NATIONAL PROJECTS MANAGER

INDUSTRIAL REFRIGERATION ENGINEERS

Hants & London to £40k +bens This distributor of air conditioning equipment is looking to appoint Internal Sales managers for their London & Hants offices. You will be highly focused on providing first class customer service in order build and maintain new business relationships. Ref T3344

South East Neg salary + bens + car Experienced senior project manager required to manage the UK operation of this refrigeration contractor. This is an opportunity for an ambitious individual with commercial acumen to improve the company processes and systems. Good man management skills essential. Ref: T3338

Nationwide to £35k+van+o/t+t/t Industrial refrigeration contractor 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:T3334

NATIONAL SALES MANAGER

SALES/PROJECT ENGINEERS

CHILLER ENGINEER

South East Neg salary + bens+ car This major refrigeration contractor is looking for a dynamic Sales Manager to provide vision and leadership for the UK sales operation. You will have a proven track record in the heavy commercial/industrial refrigeration operating in the food process sector. Ref: T3340

Nationwide c£44k + bens + car This well established refrigeration contractor is looking to further strengthen its team. You will be responsible for securing profitable projects in your area. The ideal applicant will have a proven sales track record matched with a good technical background. Ref:T3341

M25 Radius Neg. Package + vehicle This leading manufacture is looking to appoint an additional Chiller Engineer. You will be responsible for the service and maintenance of recip and screw compressors. You must have chiller experience, a strong technical background and F-gas. Ref: T3302

VRF SALES

INTERNAL SALES

M25 Radius to £50k +com +car This major distributor of VRF systems is looking to further strengthen its team. Calling on contractors and consultants in M25 area. Assisting clients with the design, selection and pricing of VRF systems. The successful applicant must have a proven track record of technical sales in this sector. Ref T3342

Cambridgeshire to £25k + bens You will be responsible for the design, selection and pricing of industrial refrigeration equipment. Full product training will be provided for the successful applicant who will have a flexible approach to work. You must have an engineering background and good communication skills. Ref T3343

p45_acrjune16.indd 1

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

18/05/2016 09:39:59

C L A S S I F I E D S

46 JUNE 2016

F-GAS DETECTOR CALIBRATION

TRAINING

THERMOCOLD 3_Layout 1 02/12/ CHILLERS COOLING SYSTEMS & SERVICES

Cooling Systems • Spares Service • Training • Free cooling chillers • Screw inverter chillers Free cooling chillers • 4-6 pipe simultaneous operation Screwchillers inverter chillers chillers • Water cooled • Absorption 4 - 6 pipe operation Tel.simultaneous 0844 3183722

+44 (0)113 239 1000 connect@airedale.com www.airedale.com

Water cooled chillers www.dpac.co.uk

Free LG Product Training email: aircon.training@lge.com for dates, bookings or a training brochure.

Absorption chillers Tel. 0844 3183722 www.thermocold-hvacsystems.co.uk FANS DPAC.indd 1

REFRIGERANTS & COOLANTS

16/12/2014 13:41:56

Air Conditioning & Refrigeration Specialists ✔ Refrigerants ✔ Heat Transfer Fluids ✔ Lubricants ✔ Waste Management ✔ Cleaning

www.axair-fans.co.uk Tel: 01782 349 430 sales@axair-fans.co.uk

Tel: 0117 980 2520 www.climalife.co.uk/www.climalife.dehon.com

MANUFACTURERS

FUJITSU AIR CONDITIONING The name you can rely on

NOISE CONTROL PRODUCTS

Acoustic Solutions

& Sound Advice

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

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

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

www.fujitsu-general.com/uk

DISTRIBUTORS

aircreation the creative choice in VRF distribution

W: www.foamtechniques.co.uk DISTRIBUTOR

Bespoke Design & Distribution of Air Conditioning & Heat Pump Products

01442 254401 sales@pacair.co.uk www.pacair.co.uk

www.aircreation.co.uk

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18/05/2016 10:30:24

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C L A S S I F I E D S

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REFRIGERATION & AIR CONDITIONING SUPPLIERS

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06/05/2016 11:16 05/05/2016 16:34 05/05/2016 16:34

Call James on 01778 395029 or email jamesk@warnersgroup.co.uk

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p46_47_acr_june16.indd 47

18/05/2016 10:30:30

C H I L L Y

C H A T T E R

JUNE 2016

CHILLY CHATTER SPONSORED BY

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

HAT-TRICK HERO SIR GEOFF HURST

TOASTS 1966 WIN THE HVACR EXPERTS On the 50th anniversary of England’s famous 1966 World Cup Final win, Sir Geoff Hurst teamed up with Advanced Engineering for their annual Golf Day. Sir Geoff joined the specialist chemical manufacturer and brands distributor on 5th May at Sherfield Oaks Golf Club in Hampshire. Organised as a benevolent “thank you” to their valued customers and suppliers, the company also donated £5,000 to Hampshire Hospitals NHS Foundation Trust to help build a new Ark Cancer Treatment Centre in the region. At present, many local cancer patients must travel to Southampton or Guildford, but the new centre will enable future patients to receive treatment locally rather than regularly travelling further afield. Advanced Engineering’s company donation was matched by local charity Greenham Common Trust – lifting the total raised to £10,000. Attended by the Advanced Engineering team, their customers and ACR trade magazine editors, the golf was followed by an evening meal with Sir Geoff centre stage as guest speaker. Barry Lea, Chairman of Advanced Engineering, said: “We’re very proud to contribute to such an important cause, and we’d like to thank Sir Geoff Hurst and everyone who attended. “We work with a huge number of good people in this industry, particularly our customers, distributors and suppliers, and this is one way of thanking them for their support throughout the year, as well as giving something back to the community we work within.” Geoff Hurst (L) presents cheque at charity golf day

Chilly Chatter.indd 48

BITZER SPONSORS INTERNATIONAL YOUTH SOCCER TOURNAMENT Europe’s soccer youth gahtered in Rottenburg-Ergenzingen for the 45th time to compete for the coveted TuS Ergenzingen Cup during the second public holiday in May. BITZER, the compressor manufacturer, played a key role again this year as the primary sponsor of the event, also referred to as the BITZER Cup. With its headquarters and factories located nearby, the internationally oriented company is extremely active in the region. Supporting young people is especially important to BITZER. The company sets great store by training positions and fair opportunities – but it doesn’t stop there. Young people should also be challenged and supported outside of work, which is why BITZER provides the shirts and other equipment for TuS Ergenzingen as well as the cup for the tournament. Eight teams from ﬁve European countries compete for the BITZER Cup, represented by some of their best players. Koray Ateş, Chairman of the Works Council at BITZER, is particularly excited about the event: “We’re crossing our ﬁngers for the TuS Ergenzingen team, but it’s ultimately about having fun. BITZER is delighted to be part of such an important event again this year.”

18/05/2016 18:11

CMYK / .ai CMYKCMYK / .ai / .ai

C H I L L Y

C H A T T E R

49 acrjournal.uk

HUBBARD SPONSORS REFRIGERATION ENGINEER’S ATTACK ON UK CHAMPIONSHIP Hubbard Products the leading innovator in commercial refrigeration technology is backing the Southwest’s fastest Refrigeration Engineer, in a push to capture 2016’s TimeAttack highest level. Kevin Jones of Barnstaple’s KJ Refrigeration will be driving both the coolest and the hottest car in this year’s Timeattack championship sponsored by Hubbard Products. Best known for their transport refrigeration as used by the UKs leading home delivery retailers, the innovative use of the Dearman liquid air engine and their ranges of static commercial refrigeration, Hubbard sees the racetrack as a good reﬂection of their own approach to design and innovation. Kevin began racing his Noble M12 RSR in the six-round series starting at Cadwell Park, Lincolnshire on the 24th April and concludes on 25th September at Snetterton Circuit in Norfolk, just 40 miles away from Hubbard’s new European headquarters in Ipswich.