| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent the deterioration of electric insulation by preventing dew condensation when cooling a storage battery body (12) and a power conditioner (13) of a storage battery (11) by a refrigerant in a hot water system (1) for operating a heat pump water heater (5) by utilizing power supplied from the storage battery (11). <P>SOLUTION: The hot water system includes a heat recovery heat exchanger (14) for cooling the storage battery (11) by heat exchange between a refrigerant obtained after heat discharge process of a refrigerant circuit (20) and the storage battery (11) to prevent the storage battery (11) from being overcooled. <P>COPYRIGHT: (C)2013,JPO&INPIT |
