| 摘要 |
PURPOSE:To enable heating of a bath water in a short time, by a method wherein, even when water having temperature lower then a bath temperature set value remains in a bath, a pouring water temperature is automatically corrected according to a deviation amount between bath temperature set value and a bath temperature measuring value. CONSTITUTION:In a top-controlled type hot water feed device which regulates a combustion amount according to a deviation amount between a feed hot water temperature set value and a feed hot water temperature measuring value and regulates a feed hot water temperature to a specified value, heated water is poured in a bath tub through a hot water pouring valve, a bath burner device, and a water flow pipe. A correction amount calculating means 19 determines a deviation amount DELTATF between a bath temperature set value FSET and a bath temperature measuring value FTMP, a given computation is applied on the determining result, and the computing result is outputted as a correction amount DELTAVRn of a feed hot water temperature set value. Further, a set value calculating means 22 stores a feed hot water temperature set value VRn-1 calculated at a preceding time, adds the value and the correction value DELTAVRn outputted from the means 19, and calculates a new feed hot water temperature set value VRn.
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