Refrigeration control system for optimum demand operation

Details Refrigeration control system for optimum demand operation Refrigeration control system for optimum demand operation

1976-11-08

1978-04-18

Wayner, William E.

Refrigeration

Automatic control

Preventing, removing or handling atmospheric condensate

62196A, 165 22, F25D 2106

Patent

active

040843882

ABSTRACT:
A control sysem for controlling a plurality of refrigeration compressors has an input circuit for receiving a plurality of control signals from control devices for a plurality of evaporators connected to the refrigeration compressors with means for controlling the control signal of the evaporator having the greatest load to control the total operating capacity of the refrigeration compressors. Each of the input circuits has means for rendering the control signal input ineffective from a particular evaporator when the evaporator is in a defrosting cycle to allow the signal from the evaporator having the greatest load control the operating capacity of the refrigeration compressors.

REFERENCES:
patent: 3453837 (1969-07-01), Sandstrom et al.
patent: 3788386 (1974-01-01), Demaray
patent: 3911354 (1975-10-01), Stanton
patent: 3933197 (1976-01-01), Zimmer
patent: 3948060 (1976-04-01), Gaspard

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