Plant for space heating and service water heating

Heating systems – Automatic control – Heat source is a reverse cycle refrigerating system or heat...

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62238E, 126427, F25B 2900

Patent

active

042353696

ABSTRACT:
A plant for space heating and service-water heating, is comprised of a combination boiler and a heat pump. The boiler has a first water chamber adapted to be heated by a furnace and/or a heating insert, a second water chamber which communicates with the first chamber and which contains a heat-exchange surface for heating service water, and a third water chamber containing a heat-exchange surface (36, 36a, 38) for preheating cold service water. A circuit is connected to the third water chamber in the lowest water temperature zone, by means of which, when the heat pump is in operation, water can be fed to the condenser section of the heat pump and, after the water has heated up, be returned to the second water chamber. The third water chamber communicates at least with the second water chamber.

REFERENCES:
patent: 1874803 (1932-08-01), Reed
patent: 1937288 (1933-11-01), McGraw
patent: 3720189 (1973-03-01), Meyers
patent: 3984050 (1976-10-01), Gustafsson
patent: 3996759 (1976-12-01), Meckler

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