Air conditioning apparatus and method of operation

Details Air conditioning apparatus and method of operation Air conditioning apparatus and method of operation

1994-10-31

1996-11-12

Tanner, Harry B.

Refrigeration

Automatic control

Diverse, cascade or compound refrigeration-producing system

62158, 62193, 236 1EA, F25B 110

Patent

active

055728782

ABSTRACT:
Two compressors are connected in tandem for an air conditioning system. A control board that includes a microcontroller controls the operation of the system in response to the energization of first and second stage terminals of a thermostat. The system includes anti-short cycling and eliminating operation of crankcase heaters during a time period following the shutting off of the compressors.

REFERENCES:
patent: 2978228 (1961-04-01), Carlson
patent: 4257238 (1981-03-01), Kountz et al.
patent: 4356961 (1982-11-01), Smith
patent: 4757694 (1988-07-01), Espinosa
patent: 4819441 (1989-04-01), Hanson
patent: 5062276 (1991-11-01), Dudley
patent: 5170636 (1992-12-01), Hitosugi
patent: 5231846 (1993-08-01), Goshaw et al.

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