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Siemens Wall-mounted sensors and room operator units for KNX/ETS and KNX/ACS CM2N1602en_05
Building Technologies Functionality / Use 2018-09-14
4.3 Display elements and buttons
1
2
3
4
5
6
7
8
• An arrow indicates that an element can be operated
• Temperature display in °C or °F / humidity in % r.H. /
air quality in text, symbol, or ppm of CO
2
• Toggling (key 1) between indoor and outdoor measurement
(temperature, humidity, CO2)
• Indication that a window is open (connected window switch is active)
• Display of the plant state (Heating or Cooling / inactive)
Note: No manual switchover!
• D
isplay of the relative or absolute setpoint for temperature (Comfort)
Setpoints for room humidity and room CO
2
concentration.
• Adjusting the setpoint using keys 2 and 6
• D
isplay of the present fan speed (when automatic)
• Adjusting the fan speed using key 3 (or keys 3 and 7 if operation of room
operating mode is disabled)
• Display of the room operating mode (when automatic)
• Adjusting the room operating mode using key 7
• Navigation: toggle the display / setpoint setting between temperature /
humidity / CO
2
, using key 4. The black bar points to the displayed
• Operation of the occupancy state (presence switch, Comfort extension)
• Activate the Comfort extension using key 8 (only available if enabled)
• Engineering functions (press keys 1 and 8 simultaneously during 5 s)
– Programming mode (key 2), same function as programming pin
(service pin) on the back of the device
– Connection test (Key 3) (not supported by ETS and ACS)
– Reset device to factory settings (key 4)
NOTICE This operation is irreversible!
• Indicates that the room operator unit is locked by the system.
– Operation is disabled
– The display in line 1 shows the temperature from bus
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