Cool/heat pump room air conditioner control circuits

Details Cool/heat pump room air conditioner control circuits Cool/heat pump room air conditioner control circuits

1992-01-24

1992-11-24

Wayner, William E.

Refrigeration

Automatic control

Preventing, removing or handling atmospheric condensate

62160, 62277, 318112, F25D 2106

Patent

active

051652498

ABSTRACT:
A control circuit for a cool/heat pump in which two separate motors are utilized, each with a main winding and an auxiliary winding. A single dual rated capacitor is provided in series with the auxiliary windings and an alternating current line and a selectively operative switch, which may be in the form of a thermostat, is provided in series between one of the alternating current lines and a main winding of one of the motors to selectively terminate power to that main winding while maintaining power to both auxiliary windings and the main winding of the other motor. Such a control circuit allows a de-icing operation with the cool/heat pump working in a heating mode, without blowing cold air into the room which is to be heated.

REFERENCES:
patent: 2242370 (1941-03-01), Packer
patent: 2782351 (1957-02-01), Suhr
patent: 3045159 (1962-07-01), Levy et al.
patent: 3146387 (1964-08-01), Levy et al.
patent: 3385077 (1968-05-01), Marsteller
patent: 3546895 (1970-12-01), Jacobs
patent: 3852648 (1974-12-01), Barry et al.

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