AIR CONDITIONING AND ENERGY RECOVERY SYSTEM AND METHOD OF OPERATION
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United States of America Patent
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Issued Date -
Mar 5, 2009
app pub date -
Sep 3, 2008
filing date -
Sep 4, 2007
priority date (Note) -
Abandoned
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Abstract
A system (20) for conditioning air (30) includes conditioning circuits (26, 28). Each of the circuits (26, 28) includes a heat transfer coil (54, 60) residing in a supply section (22) of the system (20), and a heat transfer coil (56, 62) residing in a return section (24) of the system (20). A controller (50) in communication with the circuits (26, 28) determines one of a heating mode (78, 110) and a cooling mode (148, 150) for an interior space (34). The controller (50) selectively actuates the conditioning circuits (26, 28) to condition outside air (30) entering the supply section (22) to produce conditioned supply air (36) for provision into space (34) and to recover heating and cooling energy from return air (38) entering the return section (24) from the space (34) prior to its discharge from the system (20) as exhaust air (44).
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