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CE1B3172en / 26 Nov 2009 Subject to change Siemens Building Technologies
Temporary timer to extend the Comfort mode
When Energy Saving operating mode is active, press operating mode button
to temporarily return to Comfort mode.
symbol appears. Press opera-
ting mode button
again to stop the timer.
You can only extend Comfort mode if parameter P02 = 1.
Duration * : P68 = 0...360 min, factory setting = 0 min.
Button lock
Press operating mode button
for 5 seconds to lock or unlock the buttons if
manual button lock is configured (parameter P14 = 2).
The thermostat automatically locks the buttons 20 seconds after the last
adjustment if "Auto lock" is configured (P14 = 1).
The key symbol
indicates locked buttons.
External faults
* Needs to be configured by your HVAC installer
Commissioning
You can adjust a number of different control parameters to adapt the thermostat to your system and optimize control perfor-
mance. You can do this during operation either via the buttons on the thermostat or using a commissioning tool.
Control parameters
Proceed as follows to change the most important control parameters:
(Your HVAC installer can set additional parameters)
+ / –
1. Press the and + buttons simultaneously at least 3 seconds.
Release, and within 2 seconds, press + again for 3 seconds. "P01" is displayed.
2. Repeatedly press the + or button to select the required parameter.
P01 P02 P08 P14
+-+
--
+
3171z99
End
-
+
-
P13
+-
3. Press + and simultaneously. The current value of the selected parameter begins to flash, allowing you to change
the value by repeatedly pressing + or .
4. The next parameter is displayed when you press + and again simultaneously.
5. Repeat steps 2 to 4 to display and change additional parameters,.
6. Press + or until “End” is displayed, and then press + and simultaneously to save the change and exit parameter
entry mode.
Para-
meter
Description
Factory setting Setting range Adj
P01 Control sequence
1 (Cooling only)
0 = Heating only
1 = Cooling only
2 = Manual H or C
3 = Auto Changeover
P02
Mode selection by user via operating mode button
** Without time schedule via KNX, Auto is equal to
Comfort.
1 (Auto **,
Protection)
1 = Auto **, Protection
2 = Auto **, Comfort, Energy
Saving, Protection
P04 Selection of °C or °F °C 0 = °C
1 = °F
P05 Sensor calibration 0.0 °C – 3 ... +3 °C
P06 Standard temperature display 0 (Room temp.) 0 = Room temperature
1 = Setpoint
P07 Additional user information 0 (no display) 0 = No display
1 = Temp. in °C / °F
2 = Outside temperature (via
bus)
3 = Time of day (12h, via bus)
4 = Time of day (24h, via bus)
P08 Comfort basic setpoint 21 °C 5 ... 40 °C
P09 Minimum setpoint limitation in Comfort (WminComf) 5 °C 5 ... 40 °C
P10 Maximum setpoint limitation in Comfort (WmaxComf) 35 °C 5 ... 40 °C
P11 Setpoint of heating in Energy Saving (WheatEco) 15 °C OFF, 5 °C…WcoolEco
P12 Setpoint of cooling in Energy Saving (WcoolEco) 30 °C OFF, WheatEco…40°C
P14 Button lock
(Press operating mode button for 5 seconds to lock or unlock
the buttons)
0 (Disabled) 0 = Disabled
1 = Auto lock
2 = Manual lock
All temperature settings can be made in increments of 0.5 °C.
Please record all changes you make!
AL1 *
AL2 *
These messages inform you on external faults *:
AL1 : ...……………………… AL2 : ...………………………………….
2


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