Defrost cycle controller

Details Defrost cycle controller Defrost cycle controller

1993-12-27

1994-12-20

Tanner, Harry B.

Refrigeration

Automatic control

Preventing, removing or handling atmospheric condensate

62276, F25D 2108

Patent

active

053737059

ABSTRACT:
A defrost cycle controller for a refrigeration system encompassing a compressor; a defrost heater; a thermostatic switch coupled in series with said compressor to control operation of said compressor; a bimetallic switch coupled in series with said defrost heater to control operation of said defrost heater; and a relay coupled to mutually exclusively couple the compressor or defrost heater to a power supply, the relay having a normally closed contact which is in series with said compressor and a normally open contact coupled in series with said defrost heater.

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