Heating systems – Automatic control – Heat source is a reverse cycle refrigerating system or heat...
Patent
1997-01-17
1998-06-02
Bennett, Henry A.
Heating systems
Automatic control
Heat source is a reverse cycle refrigerating system or heat...
237 8A, 622386, G05D 2300
Patent
active
057588201
ABSTRACT:
A heat recovery system (including associated methods, apparatus and controls for implementing such a system) integrated in a hot water heating system that is combinable with an air conditioning loop containing hot gas wherein the hot water system selectively utilizes heat recovered from the hot gas to produce and store hot water at a preselected temperature level requiring the use of only a single water storage tank. According to one aspect of the invention, hot gas is taken from the air conditioning loop and placed directly into a heat exchanger coil immersed in the water storage tank for selective use therein to produce hot water. According to a further aspect of the invention, a control means is provided to monitor and analyze water temperatures at a plurality of locations within the water storage tank; determine the presence of hot gas and its temperature; and, as a function of the set point for the hot water heating system, selectively activate at least one of a plurality of heaters located in the water storage tank. The heaters include a heat exchanger that may be energized by the hot gas when the gas is at a desirable temperature and available for use; and at least one other heating element, such as electrically energizable heating elements.
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Celorier, Jr. George M.
Gerstmann Joseph
Vasilakis Andrew D.
Amtrol Inc.
Bennett Henry A.
Boles Derek S.
Kaliko Joseph J.
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