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Fan Powered Terminal

Fan Powered Terminal

Country/Region china
Company Royal Service Air-Conditioning Corporation
Categories Fan Coil System
Update 2011-05-06 10:11:27
ICP License Issued by the Chinese Ministry
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Fan Powered Terminal units are the most popular design for office building because they are new products based on VAV terminal unit which are set up plenum fan in the cabinet.In addition to inherent VAV economies,fan terminals utilize the free heat derived from lighting,people and other equipment and induce this warmer plenum air from the building core ceiling plenum space and re-circulated it to rooms calling for heating.If additional heating is required, optional supplementary heating coil may be activated.The need for a central source of warm air is eliminated.

Fan powered terminals are available in two basic configurations: series or parallel flow.Each contains a fan motor assembly and a variable air volume damper to modulate primary air.

In a series unit,the fan sits in the primary airstream and runs constantly when the zone is occupied.In a parallel unit,the fan sits outside the primary airatream and runs intermittently.

Although both terminals can provide central fan HP savings,each terminal has different inlet static pressure requirements.Series fan terminals boost both induced air and primary air,so the inlet static pressure need only overcome the loss across the damper.Parallel fan terminals require enough static pressure to overcome the losses across the damper,the downstream ductwork and diffusers.


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