| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a heat pump type hot water supply device capable of enhancing the safety of the device by preventing high-pressure refrigerant piping from being exposed to the outside, and capable of improving the energy efficiency of the heat pump type hot water supply device. <P>SOLUTION: The heat pump type hot water supply device includes a heat pump unit 11 having a compressor 16, a heat pump heat exchanger 18, and a refrigerant-to-water heat exchanger 27, and integrated with a refrigerant circuit using a natural refrigerant; and a hot water supply unit 12 having a hot water supply tank 26 capable of storing the hot water heated by the refrigerant-to-water heat exchanger 27. The hot water supply unit 12 and the heat pump unit 11 are connected by water piping 36, a water-to-water heat exchanger 28 is provided for circulating the hot water in the hot water supply tank 26 pumped up through circulation piping 101 led out of a top of the hot water supply tank 26 and reheating the hot water in a bathtub 14, and the water-to-water heat exchanger 28 is built in the hot water supply unit 12. <P>COPYRIGHT: (C)2010,JPO&INPIT |
