Air-conditioning system

Details Air-conditioning system Air-conditioning system

1993-03-24

1994-05-10

Wayner, William E.

Refrigeration

With means preventing or handling atmospheric condensate...

Means utilizing heat developed by refrigeration producer

623246, F25B 4700

Patent

active

053097335

ABSTRACT:
An air conditioning system in which a single heat source unit (A) comprising a compressor (1), a four-way valve (2), a heat source unit side heat exchanger (3) and an accumulator (4) is connected to a plurality of indoor units (B, C, D) through a first and a second connection pipes (6, 7). Each indoor unit (B, C, D) comprises a suction air temperature detecting device (50) for detecting a suction air temperature of the indoor unit, an opening degree setting device for setting a minimum valve opening degree of the first flow rate controller 9 in accordance with the difference between the target temperature and the suction air temperature and a first valve opening degree control device (52) for controlling the valve opening degree of the first flow rate controller 9 at a predetermined rate to the minimum valve opening degree. A bypass system is further provided to enable an effective defrost operation.

REFERENCES:
patent: 4621505 (1986-11-01), Ares et al.
patent: 4760707 (1988-08-01), Dennis et al.
patent: 4799363 (1989-01-01), Nakamura
patent: 5156014 (1992-10-01), Nakamura et al.

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