CoSourced, a Daikin installer suggested the VRV IV heat recovery air conditioning system at West Thames College.
CoSourced owner Paul Blackford says: “The second floor has extensive glazing and suffers from solar gain in summer. When I visited the site, the rooms were uncomfortably hot.”
They installed two Daikin VRV IV heat recovery condensing units totalling 18hp in a fenced compound at the rear of the building. The units have a total heating or cooling capacity of 50.4kW.
Eight fully flat cassettes and four Round flow cassettes were installed on the second floor. Each has its own branch selector box to allow simultaneous heating and cooling and to maximise the efficiency of the three-pipe system.
The system is controlled locally via an i-Touch controller which is linked via a BACnet interface to the college’s building management system.
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