On demand chilled beam ventilator saves energy
29 March 2012
Fläkt Woods has introduced a new concept in chilled beam design called WEGA, which saves energy normally wasted when ventilating unoccupied spaces or when over-cooling rooms by using a technique called 'demand controlled ventilation'. WEGA's motor controlled variable air volume system optimises ventilation to suit average occupancy rate, which varies between 35 and 55% during normal office hours.
Assuming that the ventilation system has been designed according to peak load, there are potential savings from demand controlled ventilation, compared with the constant air volume systems. This has a direct impact on fan energy consumption, with up to a 60% savings possible.
The new series is available in two capacity types: for standard cooling requirements, the ultra flexible WEGA Standard can be specified, and where cooling demand overrides ultimate flexibility requirements, WEGA Power should be specified. This offers a 25% extra cooling capacity over standard beams.
Suitable for installation in ceiling systems, WEGA's dimensions are appropriate for ceiling T-24 Profiles, though other ceiling systems can be catered for. WEGA can be supplied in two standard build heights, 250mm and 152mm, and various functions are available to provide a multifunctional chilled beam. These include: heating coil, electric heating, energy control, flow pattern control and control and regulation equipment.
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