How to use (DBR-W21)
How to use Rapid hot water
Press the Rapid hot water button one minute in advance before using hot water.
If you press the Rapid hot water again, the Rapid hot water function will becom inoperative.
In Heating and
Hot water mode
Press Rapid hot
water button
Heating and Hot water mode
If you do not use hot water in Rapid hot water mode, the boiler goes into stanby mode.
After a certain period of time, the Rapid hot water function will become inoperative.
Going-out (Anti-freezing mode)
Press Power button
(Power lamp lights)
Press Going-out
button
In Anti-freezing mode, when the temperature drops to
a certain point, the minimum operation mode begins
and the pump rotates water to prevent the pipes from
freezing to burst.
The Anti-freezing mode is not operative if there is no
water in the boiler. (E1 appears on the display.)
In winter, leaving the tap running may also be of help
in preventing the pipes from freezing to burst.
Cautions in using hot water
You should set Hot water temperature about 50
℃ when you are
are using a little amount of hot water,
and then you need to mix it with cold water.
If you set Hot water temperature over 50
℃,the temperature of hot water may be too high and cause
burns, so that you need to mix it with cold water.
For your safety, you cannot set Hot water temperature over 50
℃ when you are using Hot water.
(Stop using Hot water, then you can set Hot water temperature over
50
℃.)
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