Multi-room type air-conditioning equipment

Details Multi-room type air-conditioning equipment Multi-room type air-conditioning equipment

1989-06-16

1990-05-22

Wayner, William E.

Refrigeration

Automatic control

Refrigeration producer

62223, 622284, F25B 4104

Patent

active

049266535

ABSTRACT:
A multi-room type air-conditioner includes one outdoor apparatus and two or more indoor apparatuses which are respectively connected to the outdoor apparatus through respective electric expansion valves. The number of the indoor apparatuses to be connected is detected by a connection number detecting device, the closing degrees of the electric expansion valves are determined by the ratio of the loads of the respective indoor apparatuses and the frequency of the compressor is determined by a predetermined algorithmic expression of a relation between the loads of the respective indoor apparatuses which includes the rated capacities of the respective indoor apparatuses. Thereby, the air-conditioning operations for heating and cooling desired areas are optimally performed.

REFERENCES:
patent: 4720982 (1988-01-01), Shimizu et al.
patent: 4766735 (1988-08-01), Gotou
patent: 4812997 (1989-03-01), Okochi et al.

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