| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To accurately determine if it is possible to perform an operation to reheat bus tub water in a hot water storing type hot water supply device for reheating bus tub water by heat exchange with hot water stored in a hot water tank. <P>SOLUTION: The hot water storing type hot water supply device is equipped with the hot water tank 2 for storing hot water, a storing hot water temperature sensor 33 for detecting temperature of hot water stored in the hot water tank 2, a heat exchanger 18, provided in a bath circulation circuit 22, for heating the bus tub water stored with the hot water in the hot water tank 2, a bath returning temperature sensor 23 provided at an upstream side of the heat exchanger 18 of the bath circulation circuit 22 and performs reheating operation by circulating the bath tub water to the heat exchanger 18. The hot water supply device determines if the reheating operation is to be performed or not at the time of the reheating operation based on heat quantity Q1 required for reheating calculated based on a bath temperature detected by the bath returning temperature sensor 23 and stored hot water heat quantity Q2 usable for reheating calculated based on the stored hot water temperature detected by the stored hot water temperature sensor 33. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
