Room Controller (DBR-S21)
Controls and Functions
Heating water / Room
temperature
When Heating water is selected,
the heating water temperature is
displayed, when Room is selected
the room temperature is displayed.
Room temperature lamp
When Heating water temperature
selection switch is off, room
temperature lamp is on and indicate
room temperature and boiler is
operated by room temperature.
Hot water temperature
adjusting
You can adjust the hot water
temperature from low “ C ”
to high “ H ”.
Economy Heating timer
You can select to make an advance
order to economy heating timer.
Power button
To use the boiler, select on,
otherwise, select off.
Heating water temperature selection button
When it is on, heating water temperature lamp is on and display
heating water temperature, and the boiler is operated by heating
water temperature.
Heating temperature adjusting
You can adjust the heating water(red color) and room(black color) temperature
from cool to very hot.
Going-out button
When you are going out, the boiler is operated to prevent freezing.
Heating/Hot water, Heating only, Hot water only
selection swicth
You can use for both heating and hot water when Heating/Hot water ( ) is seleted,
and you can use for heating only when Heating only ( ) is slected,
and you can use for hot water only when Hot water only ( ) is selected.
15
C M H
55
/15
45
/5
65
/25
80
/40 C
O
75
/35
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