| 摘要 |
PROBLEM TO BE SOLVED: To provide a hot-water storage type hot-water supply device having the mode to be exclusively used for operating an apparatus at a sales store, and the like, without adversely exerting the apparatus and without being limited in places. SOLUTION: This device has a container 2, a motor driven pump 7, an input means 11, a temperature detecting means 5 for detecting the temperature in the container 2, a display means 13 for alarming an operation state, a commercial power source supply means 9, a backup power source 10 and a control means 12. The control means 12 acts to switch a first operation mode which makes a means 13 display and can drive the motor driven pump 7 by an input means 11 when the commercial power source is not supplied and the power source is supplied from the backup power source 10 and a second operation mode which makes the display means 13 display but cannot drive the motor driven pump 7 at all or can drive the motor driven pump 7 only for a prescribed time. |
