| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a storage water heater in which hot water of an intermediate temperature can be effectively utilized. <P>SOLUTION: This heater is provided with a hot water storage tank 2 to store hot water, a heating means 3 to heat hot water in the hot water storage tank 2, a hot water outlet pipe 7 connected to an upper part of the hot water storage tank 2, a water supply pipe 8 connected to a lower part of the hot water storage tank 2, and a water supply bypass pipe 23 branched from the water supply pipe 8. It is also provided with a first mixing valve 22 to mix hot water from the hot water outlet pipe 7 with hot water from the water supply bypass pipe 23, an intermediate hot water outlet pipe 27 connected to a middle part of the hot water storage tank 2, a second mixing valve 29 provided in the water supply bypass pipe 23 to mix hot water flowing in the water supply bypass pipe 23 with hot water from the intermediate hot water outlet pipe 27, a hot water supply temperature setting means 32 to set temperature of supply hot water, and a control part 33 to regulate a mixing ratio between the first mixing valve 22 and the second mixing valve 29 to supply hot water at the set temperature of supply hot water. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
