Electronic refrigeration control system

Details Electronic refrigeration control system Electronic refrigeration control system

1995-09-14

1997-04-29

Tanner, Harry B.

Refrigeration

Automatic control

Preventing, removing or handling atmospheric condensate

62230, 62298, F25B 4902

Patent

active

056238363

ABSTRACT:
An electronic refrigeration and defrost control unit includes a compressor relay, a defrost relay, and a fan relay. The compressor relay includes two hot terminals and one neutral terminal, the defrost relay includes three hot terminals and one neutral terminal, and the fan relay includes three hot terminals and one neutral terminal. The terminals are preferably quick connect terminals which eliminate the need for splicing neutral wires together. The electronic refrigeration and defrost control unit preferably includes a processor control circuit for driving an LED display and driving the defrost relay, fan relay and compressor relay. The control circuit is coupled to a power input which includes a super capacitor for storing power in the event of a brown-out or power shortage condition.

REFERENCES:
patent: 3911693 (1975-10-01), Seigler et al.
patent: 3946574 (1976-03-01), Portera
patent: 4528821 (1985-07-01), Tershak et al.
patent: 4646964 (1987-03-01), Parker et al.
patent: 4938027 (1990-07-01), Midlang

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