| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a heat pump hot water supply device of a flash water heating type using heat pump cycles for supplying preset-temperature hot water immediately after starting hot water supply. <P>SOLUTION: The heat pump hot water supply device comprises first heat pump cycles 10, 20 consisting of compressors 11, 21, hot water supply heat exchangers 12, 22, expansion valves 13, 23 and evaporators 14, 24, respectively, connected together via pipes, a hot water storage tank 40, and a mixing valve 37 for mixing hot water heated by the hot water supply heat exchangers 12, 22 with hot water from the hot water storage tank 40. The heat pump hot water supply device taps the hot water from the hot water storage tank 40 via the mixing valve 37 with the start of the heat pump cycles 10, 20 at starting hot water supply operation. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
