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CE1B3076.2en / 25 Feb 2010 Subject to change Siemens Building Technologies
Setting time of day and weekday
+ –
24h 12 h
+ –
1. Keep the
button pressed until the time digits start to flash.
Press + or to set the time of day.
If the current time is in 24-hour format and you wish to change to the 12-hour format,
press + passing 23:59 or press passing 00:00.
Back to 24-hour format: same procedure with 11.59 PM.
2. Confirm the time of day by pressing
and the weekday indicator starts to flash.
3. Press + or to set the current weekday.
4. Confirm the current weekday by pressing
.
Set time schedules
Ax
+ –
+ –
+ –
To adjust the time schedule, keep the
button pressed for 3 seconds to go to the timer
setting mode.
This mode is indicated by displaying Ax (x= auto timer 1...8) and the time flashing.
For each timer, proceed as follows:
1. The
and symbols are displayed. Press + or to adjust the comfort mode start
time and confirm by pressing
.
2. The
and symbols are displayed. Press + or to adjust the comfort mode end
time / energy saving start time and confirm by pressing
.
3. Symbol
will flash. Press + or to select or deselect each day and advance to the
next day.
4. Press
to confirm the settings for the actual timer and advance to the next timer.
The thermostat will leave the timer setting mode if no button is pressed within 20
seconds. All changes made after the last press of the
button will not be saved.
View the timer settings
Press the
button to sequentially review the 8 auto timers.
Reload default timer settings
+ – /
1. Set the thermostat to protection mode
.
2. Press + and simultaneously for 3 seconds. Release and, within 2 seconds, press
2 times
Days Thermostat is in Comfort mode
Mo (1) – Fr (5) 6:30 – 8:30 (A1) 17:30 – 22:30 (A2)
Sa (6) 8:00 – 23:00 (A3)
Su (7) 8:00 – 22:30 (A4)
Default
settings
– In the remaining time thermostat is in energy saving mode.
– Timers A5…A8 are free, no default settings.
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 30 seconds after the last adjustment if
"Auto lock" is configured (P14 = 1).
The key symbol
indicates locked buttons.
Reminder to clean filters and for external faults
FIL *
This message reminds you to clean your HVAC equipment filters.
It is displayed after ………… “fan operating hours” and disappears when the thermostat
is set to Protection (
).
* Needs to be configured by your HVAC installer
Note: Energy saving mode
The energy saving setpoints are factory-set to 15 °C for heating and 30 °C for cooling.
Use parameters P11 and P12 to adjust the values.
Important: You can set these setpoints to OFF; the thermostat then is inactive, i.e. no protective heating or cooling function.
Risk of frost!
Commissioning
You can adjust a number of control parameters to adapt the thermostat to your system and optimize control performance. You can do this during
operation via the buttons on the thermostat.
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.
10 seconds after the last display or setting, all changes are saved and the thermostat will leave parameter setting mode.
Para-
meter
Description
Factory setting Setting range Adj
P01 Control sequence
2-pipe…: [0…3]
1 (Cooling only)
4-pipe:. [2…4]
4 (Heating & cooling)
0 = Heating only
1 = Cooling only
2 = Manual heating or cooling
3 = Auto changeover
4 = Heating & cooling
P02 Mode selection by user via operating mode button 1 (Comfort,
Protection)
1 = Comfort, Protection
2 = 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
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
P13 *** Electrical heater in cooling mode ON OFF = disabled
ON = enabled
P14 Button lock
(Press operating mode button
for 7 seconds to lock or unlock
the buttons)
0 (Disabled) 0 = Disabled
1 = Auto lock
2 = Manual lock
*** P a r a m eter P 1 3 i s o n l y d i s p l a y e d f o r a p p l i c a t i o n " 2 - p i p e w i t h e l h e a t e r " .
All temperature settings in increments of 0.5 °C.
Please record all changes you make!
2


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