| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a refrigerating cycle device having a low global warming potential, using a HFC (hydrofluorocarbon) refrigerant having carbon double bond, and preventing a suction pressure from becoming negative in starting a compressor in a heating cycle operation. <P>SOLUTION: This refrigerating cycle device has a refrigerant circuit constituted by connecting the compressor 1, a first heat exchanger 9, a pressure reducing device 8, a second heat exchanger 5, uses the HFC refrigerant having carbon double bond as working fluid, and comprises a bypass circuit for short-circuiting and connecting a discharge side and a suction side of the compressor 1 and allows the working fluid to flow therein. <P>COPYRIGHT: (C)2010,JPO&INPIT |
