| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an electric water heater capable of having the respective positions of valve elements on the hot water inflow side and the water inflow side of a hot water supply mixing valve dislocated by the predetermined amount of offset, and capable of moderating a change in a hot water supply side supply hot water temperature by controlling the position of the valve elements of the supply hot water mixing valve by making a feedback on the basis of the supply hot water temperature, even when starting of finishing hot water filling at hot water supply time. <P>SOLUTION: This electric water heater 1 has the constitution having a hot water filling start-end determining means 60 for a control device part 21 to determine a start or an end of hot water filling to a bathtub X at hot water supply time, a supply hot water mixing valve position determining means 53 for determining the position of the valve elements of the supply hot water mixing valve at hot water filling starting time, and a supply hot water mixing valve operating means 54 for returning a position of the valve elements of the supply hot water mixing valve at hot water filling end time to the position of the valve elements at hot water filling starting time. <P>COPYRIGHT: (C)2004,JPO</p> |
