Method for controlling a refrigerator in low ambient temperature

Details Method for controlling a refrigerator in low ambient temperature Method for controlling a refrigerator in low ambient temperature

1988-12-09

1993-02-23

Ford, John K.

Refrigeration

Processes

Circulating external gas

62158, 62161, 62229, G05D 2332, F25B 4100, F25B 1704

Patent

active

051879417

ABSTRACT:
A method of refrigerator control for operating a refrigerator which may experience an abnormal temperature condition due to operation in low ambient temperatures includes a temperature sensor for sensing the temperature of a portion of a refrigerator compartment in order to detect an abnormally low temperature in another portion of the compartment. If the compartment temperature at the end of a predetermined length of time since cooling was last supplied to the compartment is below a predetermined value, then an abnormal condition is assumed to exist and corrective action is taken to eliminate the abnormal condition. A preferred form of corrective action is to prevent compressor re-energization until the compartment temperature reaches a second predetermined value.

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