Using the control unit
Comfort+ II RF – 6720892636 (2019/04)
8
•Press select key for heating program to select one of the
following operating modes:
– On = heating is permanently on
– Off = heating is permanently off
– Auto = programmed switching times are executed
– Adv = select/deselect heating program in the Auto
operating mode by pressing the advance key to bring
the next programmed switching time forward or to
revert to the normal program.
•Press select key to select one of the following operating
modes:
– On = DHW heating permanently on
– Off = DHW heating permanently off
– Once = DHW heating on, from the first programmed
switch-on time to the last programmed switch-off time
– Auto = programmed switching times are executed
– Adv = select/deselect DHW program in the Auto
operating mode by pressing the advance key to bring
the next programmed switching time forward or to
revert to the normal program.
4.2 Call up/select temperature setting of
operating modes
4.2.1 Room temperature display of Auto operating mode
If the control unit is in the operating mode Auto, press the
selector to display the setpoint value of the room temperature.
Fig. 10 Automatic heating
4.2.2 Room temperature display of On operating mode
If the control unit is in the On operating mode, press the
selector to display the text Permanently and the set
permanent room temperature.
4.2.3 Room temperature display of Off operating mode
If the control unit is in the Off operating mode, Permanently
and the temperature 5 °C is displayed.
After three seconds the screen will revert to the actual room
temperature. The frost protection symbol ( Fig. 9, Pos. [6])
is displayed. The heat source supplies heat as soon as the room
temperature falls below 5 °C to protect the system against
freezing.
4.2.4 Setting the room temperature
The display shows the current room temperature in normal
mode.
Turn the selector anticlockwise in the Auto or On operating
mode to reduce the set value for room temperature, or
clockwise to increase it. The selected temperature flashes for
three seconds.
The new temperature appears briefly on the display and also
the switching time when this temperature applies.
Fig. 11 Room temperature set value
4.3 Key lock
When the key block is active, interaction between the user and
control unit is not possible. Key lock appears when the key is
pressed or the selector is pressed/turned.
Activating the key block
To activate the key block:
▶ Press and hold the select heating key and selector
simultaneously until Key lock is displayed.
After a short time, the standard display reappears.
Switching the key block off
To deactivate the key block:
▶ Press and hold the select heating key and selector
simultaneously until Key lock is no longer displayed.
After a short time, the standard display reappears.
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0010009668-002
0010009671-002
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