| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat cycle system using a working medium for heat cycle containing trifluoroethylene having a small global warming coefficient.SOLUTION: A heat cycle system 10 has a circulation path where a working medium for heat cycle containing trifluoroethylene is circulated to a compressor 11 from the compressor 11 through a condenser 12, an expansion valve 13 and an evaporator 14. The heat cycle system also has dilution gas input means 17 that in abnormal operation such that temperature is 85°C or more or pressure is 6.0 MPa or more by gauge pressure in the circulation path, inputs dilution gas reducing trifluoroethylene concentration into the circulation path. |
