| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a reliable heat pump type water heater. <P>SOLUTION: The heat pump type water heater is provided with a heat pump circuit sequentially connecting a compressor 11, a hot water supply heat exchanger 12, a solenoid expansion valve 13, and an evaporator 14 by a refrigerant pipe arrangement 15, a hot water supply circuit producing hot water in the hot water supply heat exchanger 12, and a control means for controlling operation of the compressor 11. The reliable heat pump type water heater is provided by not operating the compressor 11 at a maximum operation frequency of hot water supply operation for a predetermined time after finishing defrosting operation of the evaporator 14. <P>COPYRIGHT: (C)2007,JPO&INPIT |
