www.stiebel-eltron.com CNS U | CNS UT | CNS UE | 5
4.1.3 Frost protection
Turn the temperature selector as far to the right as possible.
In this position, the temperature controller switches on the heating
element automatically if the room temperature drops below the
frost protection temperature.
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1 Time switch
2 Temperature selector
3 ON/OFF switch
4 Arrow marking the time
4.2.1 Temperature selector
Set the required room temperature via the continuously
variable temperature selector (for setting range see chapter
“Specification/ Data table”).
4.2.2 Operating modes
Heating with the time switch
The appliance heats in accordance with the time switch set-
tings until the room temperature set with the temperature
selector is reached. Frost protection is only enabled during
the selected time.
Set the time by turning the time switch clockwise until the
black arrow points to the current time.
Push the tabs on the edge of the time switch outwards ac-
cording to the times when the appliance should heat. Every
tab corresponds to an ON or OFF period of 20minutes.
- Heating ON: Push the tabs outwards.
- Heating OFF: Push the tabs inwards.
Appliance off "0"
To switch the appliance off, move the ON/OFF switch to "0".
In this operating mode, frost protection is also disabled.
Constant operation "I"
Move the ON/OFF switch to "I".
The appliance heats with no time limit until the room tempera-
ture set with the temperature selector is reached. As soon as the
selected room temperature is reached, it is constantly maintained
at this selected temperature through periodic heating. The output
of the appliance must correspond at least to the required heat
demand of the room.
Frost protection is always enabled.
If several appliances are installed in a single room, the setting
at the temperature selector on each appliance can be different.
Note
To avoid excessive power consumption when windows
are open, switch the appliance off while airing.
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1 ON/OFF switch
2 Temperature selector
3 Operating mode switch
4.3.1 Switching the appliance on and off
Switch the appliance on and off via the ON/OFF switch on the
right hand side of the appliance.
4.3.2 Temperature selector
Set the required room temperature via the continuously
variable temperature selector (for setting range see chapter
“Specification/ Data table”).
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