Airconditioner

Details Airconditioner Airconditioner

F - Mech Eng,Light,Heat,Weapons

24

F

45/8

F24F 3/048 (2006.01)

Patent

CA 1169653

ABSTRACT OF THE DISCLOSURE The disclosed airconditioner comprises a refrigerant compressor connected to a four-way valve subsequently across a refrigeration circuit in each of the room cooling mode and the first room warming mode of operation comprising an indoor heat exchanger, an externally heated exchanger, a piping, a first electromagnetic valve and an outdoor heat exchanger, and a second electromagnetic valve connected in parallel to the outdoor heat exchanger between the piping and the four-way valve to form a refrigeration circuit in` the second room warming mode of operation with the indoor heat exchanger, the externally heated heat exchanger and the piping. In the room cooling mode and first room warming mode of operation the first electromagnetic valve is opened and the piping and the externally heated heat exchanger reverse a liquid refrigerant with the sum of their volumes equal to a volume of the outdoor heat exchanger while the outdoor heat exchanger reverses the liquid refrigerant in the second room warming mode of operation in which the second electromagnetic valve and an electromagnetic valve connected across the compressor are open.

400109

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