| 摘要 |
<P>PROBLEM TO BE SOLVED: To protect a compressor, even if a detection value of the discharge refrigerant temperature becomes an abnormal value, in a refrigerating cycle device for controlling operation of the compressor, by using the temperature of a discharge refrigerant discharged from the compressor. <P>SOLUTION: When the detected supply hot water temperature Two of outflow hot water of a water-refrigerant heat exchanger 15 detected by a supply hot water temperature sensor 22 becomes a value higher than the detected discharge refrigerant temperature Td of the discharge refrigerant of the compressor 14 detected by a discharge refrigerant temperature sensor 21, operation of the compressor 14 is stopped. Since the actual temperature of the outflow hot water of the water-refrigerant heat exchanger 15 heated with the delivery refrigerant of the compressor 14 as a heat source does not become higher than the temperature of the delivery refrigerant of the compressor 14, the compressor 14 can be protected by surely determining that the detected hot and cold water temperature Two and the detected discharge refrigerant temperature Td are the abnormal value. <P>COPYRIGHT: (C)2010,JPO&INPIT |
