Refrigeration unit controls

Details Refrigeration unit controls Refrigeration unit controls

1984-04-06

1985-09-03

Wayner, William E.

Refrigeration

With indicator or tester

Condition sensing

165 11R, 236 94, G01K 1300

Patent

active

045384193

ABSTRACT:
A field test circuit for an electronic control of a refrigeration unit. The test circuit has a field installed test panel with a control switch and a readout device for indicating that portion of the electronic control to be tested. A microprocessor is provided with a logic program that provides coded information regarding the stage of capacity of the refrigeration unit, the operational status of the unit, diagnostic information of the unit, and a test procedure for testing all inputs and outputs of the microprocessor.

REFERENCES:
patent: 4146085 (1979-03-01), Wills
patent: 4411139 (1983-10-01), Bos

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