ECM Motors in Fan Powered Terminals
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Overview: The use of ECM motors can improve the efficiency of small fractional motors used in Commercial Air Terminal applications today. The first fan-powered terminals, using conventional fractional hp motors, were introduced to commercial buildings in 1974. They were immediately employed by a number of design engineers due to their significant advantages in energy use when compared to the reheat options available at that time. They also allowed designers to take advantage of building diversity through the recapture of plenum heat, which was often wasted when returned to the air handler.
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Format: PDF | Size: 112KB | Date: Jul 2003 | Pages: 9
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