| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electric hot water supplier capable of improving efficiency at the time of boiling water by lowering the temperature of water entering a heat pump, in the electric hot water supplier for storing hot water in a hot water tank using a heat pump heating method. <P>SOLUTION: A medium temperature water take-out port 3 for deriving medium temperature water is provided at an intermediate part of the hot water tank 1, a temperature sensor 4 is provided near the medium temperature water take-out port 3, a medium temperature water take-out piping 31 extended from the medium temperature water take-out port 3 is connected to a first mixing valve 5 of which one side is connected to a take-out piping 9 of an upper part of the hot water tank and a lower stream side piping 51 of the first mixing valve 5 is connected to a second mixing valve 7 of which one side is connected to a water supply piping 6. <P>COPYRIGHT: (C)2007,JPO&INPIT |
