Air conditioning apparatus having a plurality of indoor units co

Details Air conditioning apparatus having a plurality of indoor units co Air conditioning apparatus having a plurality of indoor units co

1993-06-30

1994-03-29

Wayner, William E.

Refrigeration

Automatic control

Diverse, cascade or compound refrigeration-producing system

622281, 165 111, 374 39, G01K 1706, F25B 100

Patent

active

052973964

ABSTRACT:
A variable-capability compressor and an outdoor heat exchanger installed in an outdoor unit and indoor heat exchangers installed in each of a plurality of indoor units are connected by pipes so as to form a refrigerating cycle. The air-conditioning load on each of the indoor units is detected. The capability of the variable-capability compressor is controlled according to the sum of the air-conditioning loads on the respective indoor units. At the time of a heating operation, the refrigerant heat loss in each of pipes respectively connected to the indoor heat exchangers is detected. When the refrigerant heat loss in at least one of the pipes is a given value or more, the capability of the variable-capability compressor is enhanced to compensate for the refrigerant heat loss.

REFERENCES:
patent: 4036051 (1977-07-01), Fell et al.
patent: 4595297 (1986-06-01), Liu et al.
patent: 4926652 (1990-05-01), Kitamoto
patent: 4932220 (1990-06-01), Inoue
patent: 5074120 (1991-12-01), Kitamoto

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