| 摘要 |
PROBLEM TO BE SOLVED: To provide a hot water storage device capable of surely and accurately displaying and guiding information regarding a residual hot water amount stored in a hot water storage tank without giving an uneasy feeling and misunderstanding to a user, irrespective of the amount of a target hot water storage amount.SOLUTION: By dividing a hot water amount of high temperature hot water HW of a target hot water storage amount by a setting number of level bar display parts 121 to 125, setting of a unit hot water storage amount displayed by a display ON of one level bar display part is changed. When the high temperature hot water is stored to the target hot water storage amount, display switching control is performed so as to make all the numbers of the level bar display parts 121 to 125 a black-painted display state by turning the display ON. When the high temperature hot water is tapped from a hot water storage tank 3 and consumed, every time the unit hot water storage amount is tapped, the display switching control is performed so as to make the level bar display parts a white display state by turning the display OFF one by one. |
