Apparatus and method for controlling a refrigerator in low...

Details Apparatus and method for controlling a refrigerator in low... Apparatus and method for controlling a refrigerator in low...

F - Mech Eng,Light,Heat,Weapons

25

B

341/28

F25B 49/00 (2006.01) F25D 11/02 (2006.01) F25D 17/06 (2006.01)

Patent

CA 1242778

APPARATUS AND METHOD FOR CONTROLLING A REFRIGERATOR IN LOW AMBIENT TEMPERATURE CONDITIONS Abstract A 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 refrig- erator 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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