ACR Journal

CMYK / .ai CMYK / .ai CMYK / .ai acrjournal.uk 19 AIR CONDITIONING “When I first started talking to Alan about his requirements it was obvious that he wanted a system that would help promote energy e ciency and future-proof the building,” explained Terry Macleod, Managing Director of Envira-Mech Services. “We’re a Diamond Quality Partner with Mitsubishi Electric and when we heard about R32 VRF at their conference last year, we just knew it would be right for Future Leap. Heat recovery ventilation “Alan was already aware of F-Gas and was open to anything, so the idea of highly e cient air conditioning that could simultaneously heat and cool and run oŽ 100% renewable energy really appealed to him,” he added. Envira-Mech Services is based in Clevedon, North Somerset, and predominantly covers the south of England, whilst providing national coverage for specific clients. OŽering a full design and installation facility for customers, the team are able to provide a complete turnkey service. For Future Leap, the team also installed Lossnay mechanical ventilation with heat recovery (MVHR). These deliver highly e cient ventilation to the building as they can recover up to 80% of the energy from outgoing stale air to use on the incoming fresh air. Envira-Mech Services had a tight timescale on the project, as the complete refurbishment programme was only three months, so the team had just five weeks to complete the installation and commissioning. Not only did they have to work around the other trades refurbishing the building at the same time, there was not a lot of room for the services, so they also had to ensure the highest quality of installation for all ducting and pipework as these are all on display. When Future Leap took over the building, it was a former Maplin electrical goods store, and Envira-Mech Services had to first of all strip out the existing air conditioning before they could install the R32 City Multi and the Lossnay MVHR. “Terry and his team are experts in air conditioning, ventilation and M&E services, so they were the ideal choice for Future Leap,” explained Steve Reece, Branch Manager for Mitsubishi Electric’s Bristol o ce. “With this being the first R32 VRF installation in the UK, we worked closely with them to ensure that Future Leap got a system which will deliver perfect, controllable comfort with energy e ciency at its heart.” The three PURY YNW-A outdoor condensers are installed in a compound in the old Maplin storage yard and these serve 14 PEFY fan coil units throughout the ground floor. Although R32 is mildly-flammable, and room sizes were considered during the design phase, the level of ventilation mean that leak detection wasn’t required. The Future Leap Hub has been re-opened since July and now oŽers Bristol businesses 70 socially distanced desks as well as an ethical cafe and lifestyle shop. The use of R32 in larger VRF systems had not been possible before the launch of Mitsubishi Electric’s City Multi R32 VRF

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