HEAT PUMP TYPE HOT-WATER SUPPLY APPARATUS

PROBLEM TO BE SOLVED: To provide a heat pump type hot-water supply apparatus, in which safety of the apparatus is improved by inhibiting exposure of a high pressure refrigerant tube to the outside, and an engineering change in the capacity of a hot-water-supply tank can be optionally made. SOLUTION: In the heat pump type hot-water supply apparatus 10, a hot-water supply heat-exchanger 27 heats water by refrigerant heat. The hot water is stored in a hot-water supply tank 26, which supplies hot water to a faucet 13 and a bathtub 14. A bathtub heat-exchanger 28 heats water or warm water in the bathtub by refrigerant heat and thermally insulates. The tank 26 is installed in a hot-water supply unit 12. The heat exchangers 27 and 28, main parts of the hot-water-supply lines 71 and 72 respectively supply water from the tank 26 to the faucet and from the tank 26 to the bathtub, and a main part of a hot-water supply water-circuit N for circulating water or hot water between the heat exchanger 27 and the tank 26, and bathtub water circuit P for circulating water or hot water between the heat exchanger 28 and the bathtub are provided in a heat-pump unit 11 provided with a refrigerant compressor 16.