The terminal unit, KOOLAIR, model HVFS, is a solution that fully adapts to installations in which it is desirable to retain the flexibility of a variable air volume (VAV) system, while also providing a constant air volume to specific areas (VAC).
When the thermal demands in the conditioned space are highest, the flow rate supplied by the HVFS air terminal is 100% primary air, an action that is controlled by the volume control damper.
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