| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the reliability of a compressor sliding part by suppressing the rise of pressure in restarting after the operation stop of a compressor by a pressure protective device. <P>SOLUTION: This heat pump type water heater comprises the pressure protective device 5 stopping the compressor 1 when the pressure of a refrigerant circulating circuit is a predetermined value or higher, and a control device 13 for restarting the compressor 1 by making the restriction opening of a pressure reducing device larger than a restriction opening predetermined as a normal value. <P>COPYRIGHT: (C)2008,JPO&INPIT |
