| 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: In the electric hot water supplier comprising a heat pump H for heating the water in a hot water tank 1, a heat exchanger for supplying hot water 2 for circulating hot water of the hot water tank 1 and indirectly heating tap water and a heat exchanger for reheating 10 for circulating hot water of the hot water tank 1 and reheating the bathtub water are provided, the hot water circulating through the heat exchanger for supplying hot water 2 is led out from the upper part of the hot water tank 1 and is returned to the lower part of the hot water tank 1, and the hot water circulating through the heat exchanger for reheating 10 is led out from the upper part of the hot water tank 1 and is returned, through a tank return piping 13, to a position of the hot water tank 1 higher than the position the hot water is returned after circulating through the heat exchanger 2 for supplying hot water. <P>COPYRIGHT: (C)2008,JPO&INPIT |
