Apparatus for heat pump malfunction detection

Details Apparatus for heat pump malfunction detection Apparatus for heat pump malfunction detection

1979-10-18

1981-04-21

Davis, Albert W.

Heat exchange

With alarm, indicator, signal, register, recorder, test or...

Remotely controlled inspection means

165 29, 236 94, F28F 2700

Patent

active

042627362

ABSTRACT:
A malfunction detection apparatus is provided for a heat pump system incorporating auxiliary resistance heaters, for detecting when the heat pump has lost efficiency, due to less than a catastrophic failure, and is therefore energizing the resistance heaters when they would not normally be energized, whereby a signal may be provided, such as a warning light, for announcing when the resistance heater has been energized while the outside temperature is above the system balance point.

REFERENCES:
patent: 3707851 (1973-01-01), McAshan
patent: 3743009 (1973-07-01), Dagerford
patent: 4217761 (1980-08-01), Cornaire et al.

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