Thermostat self-test apparatus and method

Details Thermostat self-test apparatus and method Thermostat self-test apparatus and method

1982-03-29

1984-05-15

Yuen, Henry C.

Refrigeration

With indicator or tester

Operatively correlated with automatic control

236 94, 364186, 371 57, F25B 4900, G05D 2300

Patent

active

044480334

ABSTRACT:
Apparatus and method for effecting self-test of a thermostat is disclosed. The permissible thermostat outputs are arranged into an array capable of being converted into a binary number. Testing is done to determine whether or not the binary number ascertained falls into a known legal array of binary numbers for permissible thermostat outputs. If the testing indicates a fault condition then the fault is indicated and operation may be discontinued.

REFERENCES:
patent: 4307775 (1981-12-01), Saunders et al.
patent: 4333316 (1982-06-01), Stamp, Jr. et al.
patent: 4381549 (1983-04-01), Stamp, Jr. et al.

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