Gas valve lockout during compressor operation in an air conditio

Details Gas valve lockout during compressor operation in an air conditio Gas valve lockout during compressor operation in an air conditio

1982-03-29

1984-10-02

Davis, Jr., Albert W.

Heat exchange

Regenerator

Checker brick structure

165 29, 165 11R, 62160, F25B 2900, F28F 2700

Patent

active

044742274

ABSTRACT:
An apparatus and method are described for integrating the operation of a fossil fuel fired furnace with a heat pump. A microprocessor control is utilized to regulate the operation of the furnace such that should the compressor of the heat pump be operating even in a malfunction condition the fossil fuel fired furnace may not be energized. The logic further provides for the compressor being de-energized should the fossil fuel fired furnace be operated.

REFERENCES:
patent: 3993121 (1976-11-01), Medlin et al.
patent: 3996998 (1976-12-01), Garst et al.
patent: 4102390 (1978-07-01), Harnish et al.
patent: 4143707 (1979-03-01), Lenis et al.
patent: 4147203 (1979-04-01), Rayfield
patent: 4178988 (1979-12-01), Cann et al.
patent: 4262736 (1981-04-01), Gilkeson et al.
patent: 4307775 (1981-12-01), Saunders et al.

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