| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a water heater controller enabling efficient maintenance and inspection work of a water heater by making it possible to display and rewrite maintenance information during the work. <P>SOLUTION: In the controller 12 including a microcomputer 48 which controls the operation of the water heater 10; a changeover switch 49 for resetting the internal settings of the microcomputer 48; a control switch 51 for remotely controlling the water heater 10; and a display 52 which displays information on operating conditions indicated by means of the control switch 51 and information on the operating condition of the water heater 10, a program is provided for causing the microcomputer 48 to function as a switch execution means for changing the internal settings of the microcomputer 48 when the switch 49 is operated to change the settings, and a display control means for switching a normal operation mode to a maintenance information display mode in which the maintenance information is displayed on a display 52 when the switch 49 is operated to change the settings. <P>COPYRIGHT: (C)2004,JPO</p> |
