| 摘要 |
<P>PROBLEM TO BE SOLVED: To inhibit pressure rise of discharged refrigerant of a compressor to normally operate a heat pump type water heater when bleeding work is not implemented in installation work of the heat pump type water heater. <P>SOLUTION: In this heat pump type water heater 15 comprising a refrigerant circuit formed by successively circularly connecting the compressor 1, a heat exchanger 2 for supplying hot water, a pressure reducing device 3 and an evaporator 4, a circulation circuit formed by successively connecting a hot water storing tank 11, a pump 12 for delivering the water in the hot water storage tank and the heat exchanger 2 for supplying hot water, and a pressure detecting means 6 for detecting a pressure of the refrigerant discharged from the compressor 1, the pump is controlled and only the circulation circuit is operated for a specific time on the basis of a result of detection of abnormality by the pressure detecting means. <P>COPYRIGHT: (C)2007,JPO&INPIT |
