| 摘要 |
PROBLEM TO BE SOLVED: To provide a hot water supply system capable of quickly detecting remaining water within a bathtub and effectively feeding high temperature water into the bathtub, while considering safety. SOLUTION: Hot water feeding amount is reduced just after starting a high temperature water feeding operation (step S2). When a rate of change of a detected temperature by a bath temperature sensor 9 is small (step S3) and existence of remaining water within the bathtub 7 is judged, hot water feeding amount is increased (step S6). As a result, the presence or absence of the remaining water within the bathtub 7 can be quickly judged to safely and effectively feed the high temperature water into the bathtub 7. COPYRIGHT: (C)2004,JPO
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