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Wide range of 150 different models of RFKH valves with exchangeable orifice


R455A/R454C Low temperature range MOP A2L


Find your local Sanhua dealer www.SanhuaTXV.com


Greenpoint


In a significant technical and commercial development, Green Point UK, Bitzer UK’s specialist services arm, has extended its remanufacturing operation to include transcritical carbon dioxide-based compressors. Will Pribyl, Green Point UK’s general manager, said: “We have been aware for a while of an emerging need among UK customers for a certified remanufactured option as a growing number transcritical CO2


units come to the end of their


working lives. The obstacle has been the high pressures required for full quality assurance testing. However, following recent investment in a new facility at Green Point UK, we can now offer a complete service for Bitzer transcritical units, returning them to full original specification, with quality underpinned by the manufacturer.”


He added: “It is a live issue for national contractors, many of whom have comprehensive contracts with customers. First-time fix is vital, as call-backs for faults or repairs can eliminate profits. Our comprehensive remanufacturing and testing process, overseen and backed by Bitzer, gives total confidence that our transcritical units will perform to specification, with safety assured by certificated testing.”


The service covers all Bitzer Ecoline 2, 4, and 6 cylinder transcritical CO2


compressors, which are deployed in thousands of


applications across the UK, including supermarkets, food and drink manufacturers and industrial process applications. Pressure testing is carried out on a bespoke hydraulic test rig,


developed by Green Point UK, which is able to test compressor bodies up to 180 Bar. Based on oil, it overcomes the risks associated with conventional pressure testing using air as a direct compression medium. Remanufactured transcritical units are covered by a one-year warranty as standard, with an optional further one-year extension, as for new compressors. Use of transcritical compressors took off in the early 2000s as a number of UK supermarkets championed the solution as a low- GWP alternative to high-GWP refrigerants, putting the UK in the vanguard of the switch to cooling with carbon dioxide. Industrial end users are now increasingly looking to adopt due to the toxicity and flammability issues with


transcritical CO2


ammonia, the traditionally preferred solution for large-scale industrial applications.


X www.bitzergreenpoint.com


Clivet


The Clivet: Edge EVO 2.0 is an air-to-water packaged heat pump with capacities from 4.7 To 30 kw for heating, cooling and domestic hot water production. The Edge EVO


2.0 - EXC is the most advanced technology for all climates and applications. It combines


efficiency and high temperature water even in harsh winters down to -25°C: in particular, it can produce water at 60°C with outside air down to -15°C. For even harsher applications, an additional generator is available to maintain performance even in the most extreme conditions. Key features:


Q Space-saving: installed outdoors, no indoor unit required Q Designed for the coldest climates: excellent performance at low temperatures, with optional 3 and 9 kW auxiliary heaters


Q Possibility of high temperature distribution: water up to 65°C Q Modular: the possibility of combining up to 6 units in cascade allows up to 180 kW


Q Advanced connectivity: management through the dedicated MSmartHome App or via the standard Modbus port to ELFO- Control3 EVO.


Edge EVO 2.0 - EXC is also available in a hybrid version in combination with a condensing boiler for the instantaneous production of domestic hot water. Andy Taylor, general Manager of Clivet Group UK said: “Edge EVO 2.0 - EXC is a versatile solution that lets the user have the best possible comfort with great energy efficiency in every period of the year. Remotely manageable from smartphone or tablet, it is smart, convenient and user-friendly.”


X www.clivetlive.com


32 July 2022 • www.acr-news.com


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