AIR-CONDITIONING APPARATUS
摘要:
A channel on an upstream side of a third expansion device 14a and a channel on an upstream side of a second expansion device 14b are connected during a heating operation, and medium pressure refrigerant generated by the third expansion device 14a during the heating operation is introduced on a suction side of a compressor 10 via the second expansion device 14b and a suction injection pipe 4c.
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