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operation
4.1
Programming unit
The programming unit is located at the top right of the appliance.
1
1 Display
2 User interface
4.1.1 User interface
Button
designation
description
"Standby" key
Switch on the programming unit;
Put programming unit and heating appliance
into standby mode
"OK" button
Selection;
Confirm settings
"Menu" key
Call up and exit menu
"+" key
Call up menu items;
Change settings
"–" key
Call up menu items;
Change settings
4.1.2 Display
If no user action occurs for 20 seconds, the backlight switches
off. Press any button to switch the background lighting on again.
Symbols
Symbol
description
Time display:
Indication of the current time or a programmed start time
Timer mode:
The appliance heats in accordance with the enabled time pro-
gram.
Comfort mode:
The appliance maintains the set comfort temperature.
Standard setting: 21.0 °C. Use this setting for comfortable room
temperatures when someone is present.
Setback mode:
The appliance maintains the set setback temperature.
Standard setting: 18.0 °C. Use this setting e.g. at night or when
absent for several hours.
Frost protection:
The frost protection symbol is displayed if the set room tempera-
ture is set to 7.0 °C.
Use this setting to protect an unused room from frost damage.
Adaptive start:
In timer mode, the heating appliance switching times are adjust-
ed to ensure that, at the programmed start time, the respective
set room temperature is already reached.
Conditions: The "adaptive start" function is enabled (see chapter
"Settings / Standard menu").
18
| CNS Trend | CNS Trend U
Symbol
description
Window open detection:
To avoid unnecessary energy consumption while venting, the
appliance automatically switches to frost protection mode for one
hour when a window is open. The "window open detection" sym-
bol flashes. After venting, frost protection mode can be terminat-
2
ed manually by pressing "+", "–" or "OK". The appliance then heats
to the set room temperature again.
Conditions: Window open detection is enabled (see chapter "Set-
tings / Standard menu").
User interface lock:
To lock or unlock the user interface, press and hold "+" and "–"
simultaneously for 5 seconds.
Heating enabled:
The appliance is heating to maintain the set room temperature.
Room temperature display
Editable parameter:
The parameter shown can be changed using "+" and "–".
External input (FP):
CNS Trend U series appliances can be connected to an external
control unit. Depending on the setting of the control unit, the
appliance heats in comfort, setback or frost protection mode at
specific times of the day.
Days of the week:
1 = Monday, 2 = Tuesday ... 7 = Sunday
4.2
Switching the appliance on and off
Note
For a short time after initial start-up and after longer
breaks in use, a smell may develop.
The appliance is ready for operation as soon as it has been fixed
to the wall and plugged into the mains.
f Switch the appliance on or off using the ON/OFF switch on
f
the right-hand side of the appliance.
f Switch the appliance off when not in use for longer periods
f
(e.g. during the summer months).
All settings remain intact after switching off or after an interrup-
tion to the power supply. This appliance is equipped with a power
reserve that ensures the day of the week and the time are saved
for several hours.
Note
If the appliance was in timer mode before being switched
off for a longer period of time, you will be prompted to set
the day and time after switching it on. Until this setting
is made, the appliance will operate in comfort mode.
4.3
Standby mode
Material losses
!
In standby mode, the appliance will not switch on heating
under any circumstances. There will be no frost protec-
tion.
f To switch on the programming unit, press "Standby". The
f
standard display appears.
f To put the programming unit and the heating appliance into
f
standby mode, press "Standby". The display shows "- - - -".
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