Controller for air conditioner

Details Controller for air conditioner Controller for air conditioner

1999-03-18

2000-12-12

Tanner, Harry B.

Refrigeration

With indicator or tester

Operatively correlated with automatic control

62230, 361 22, F24F 1100

Patent

active

061582301

ABSTRACT:
When an air-conditioning is started, a determination is made as to whether a power relay is run so as to keep a compressor in a power-on state. When the power relay is in the power-on state, the running current of the power relay is detected. At this point, if the current value does not reach to a predetermined value, it is determined that the compressor is stopped in an exterior unit for protection.

REFERENCES:
patent: 4307775 (1981-12-01), Saunders et al.
patent: 4557114 (1985-12-01), Kato et al.
patent: 4912936 (1990-04-01), Denpou
patent: 5209076 (1993-05-01), Kauffman et al.
patent: 5268832 (1993-12-01), Kandatsu
patent: 5303560 (1994-04-01), Hanson et al.
patent: 5454230 (1995-10-01), Janke et al.

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