| 摘要 |
<p>PURPOSE:To automatically stop the hot water supply during nighttime, holidays and the like by providing the program timer of a water supplier for performing a hot water supply by controlling heating elements of a hot water storage tank with a schedule table, data setting means, a calendar function part and an operation control function part. CONSTITUTION:An operation control function part 15 in the program timer judges whether or not the execution of the temperature control is required, based on data relative to operation suspension days, operation starting and finishing times and the like which are preset in a schedule table in accordance with the utilization pattern of the hot water supplier and data relative to date time, a day in the week and the like when a calendar function part 13 outputs, and outputs control data. Based on this control data, the operation and stop of a temperature control function part 12 are controlled. Thereby, when there is no need to supply hot water during nighttime, holiday and the like, the temperature control is automatically stopped to prevent wasteful consumption of energy, and a man-machine interface 19 carries out setting and renewing data to the schedule table 14.</p> |
