| 摘要 |
PURPOSE:To heat water effectively and to enable to obtain a high heated temperature, by combining advantages of a monocirculation method and a multicirculation method. CONSTITUTION:A compressor 9, a heat exchanger 10 on a utilization side, a squeezing mechanism 11 and a heat exchanger 12 on a heat source side are made into coolant circuit by connecting them in order with each other. A water circulation circuit having at least a hot water tank 16, the heat exchanger 10 and a circulation pump 13 is provided with a multicirculation circuit raising a water temperature by circulating water between the hot water tank 16 and the heat exchanger 10 extending over a plurality of times and a monocirculation circuit turning a temperature of the water flowing in the hot water tank 16 from the heat exchanger 10 into a heated up temperature when a temperature within the hot water tank 16 arrived at the one higher than a given level. A titled device is made into a quite economical and handy one by a method wherein water is heated efficiently and it is constituted so as to obtin a high heated temperature, that is, a flow of water is switched between the multicirculation circuit and the monocirculation circuit by a solenoid two way valve. |
