Advanced Ergonomic Technologies (AET) has developed a new Direct Expansion (DX) version of its Flexible Space System (FSS).
The company claims the new version will bring greater application versatility and save space for consultants and contractors specifying under-floor air-conditioning.
In the Flexible Space System, the whole plenum under the building’s raised access floor becomes the “duct”, with each floor of the building divided into a number of zones depending on the building shape, cooling and heating load, potential use and occupancy density of the area. FSS CAM-C uses underfloor return air and the CAM-V uses high-level return air.
The CAM R410A and R407C DX coil options can be matched up to all the major manufacturers’ 2 and 3 pipe heat pump and heat recovery systems to supply each zone with chilled or warmed air. This supply air is then drawn up from the plenum and into the occupied space by discrete, energy efficient and locally controlled fantile units, which are recessed into the floor.
The new CAM-DX range can serve areas up to 300m² with variable supply air temperature and air volume. Demand driven by the fantile units within the zone, the CAM-DX unit will schedule the supply air temperature to meet the zone requirement. A minimum supply air temperature can be set to avoid the possibility of condensation occurring in the floor void. Each unit range is available with AC or EC Fan options.