16
Operating Instructions
When the temperature cannot be adjusted, follow the procedure below. <Priority button>
Off
Off
(Temperature settings for example.)
Temperature cannot be adjusted Switch priority Temperature can be adjusted
Press the priority button
Turn off the
operation button.
* Care must be taken as operation is interrupted.
Off
On
Hot water supplied from this appliance is delivered to the kitchen, washroom, and shower, etc. at the
same temperature.
The water temperature can only be changed by one remote controller if a number of remote controllers
are installed.
Only the controller with the priority light illuminated will be able to adjust the temperature of the water
heater.
• The remote controller on which the operation button is turned “on” has priority.
• If the Bathroom or Sub controller has priority left ON, press OFF & ON any other controller to transfer
priority to that controller. This function cannot be changed while the appliance is producing hot water
(Except when hot water is operating).
Priority
Turn on the operation
button once again.
Bathroom Controller
Main Controller
On
On
Off
Turn off the
operation button.
* Care must be taken as operation is interrupted.
Turn on the operation
button once again.
Sub Controller
On
Controller Priority Function
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