When using both Heating and Hot water
Press Power
button(Power
lamp lights)
Press Heating
button
Heating only
Press Hot
water button
Press Hot
water button
again or wait
for 10 seconds.
Both Heating & Hot water
When using both heating and hot water
1. Heating mode is operative.
When using hot water, heating becomes temporarily inoperative.
2. Hot water mode is operative only when you use hot water.
When hot water is not in use, only heating mode is operative.
How to use (DBR-W21)
When using Heating only
Press Heating button
to turn Heating mode
on, press Hot water
button for turn off.
Heating only
1. Use Heating mode only when not using hot water.
Press Hot water button
to turn Hot water mode
on, press Heating button
for turn off.
Hot water only
When using Hot water only
1. Use Hot water mode when heating is not needed.
2. The boiler comes into operation only when using
hot water. Heating mode is inoperative.
1. Heating temperature setting
Press or button to set heating temperature. The set heating temperature display will flicker for
about 10 seconds, after which your desired temperature is set.
2. Hot water temperature setting
Press Hot water mode button. When the Set hot water display flickers, press or button to
set the hot water temperature. The display will flicker for about 10 seconds, after which your desired
temperature is set.
The setting range of room temperature : 5~40℃, the setting range of heating water temperature : 45~80℃
The setting range of hot water temperature : 35~60℃
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