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Siemens Building Technologies CB1B3064en 23.08.2010 2 / 2
Changing the control parameters
To optimize the control performance, a number of control parameters can be adjusted. This can also be made during operation without
opening the controller. If you want to change the control parameters, please proceed as follows:
(For factory settings, please refer to table of Commissioning by qualified HVAC staff).
+ /
+ /
+ /
+ /
1. Set the controller to protection mode
.
2. Press + and simultaneously for minimum of 3 seconds. Release them and within 2 seconds, press + again for 3
seconds. The display will show P03.
3. Select the required parameter by repeatedly pressing the + or button:
4. Press + and simultaneously. The current value of the selected parameter will appear, which can be changed by
repeatedly pressing + or .
5. By pressing + and simultaneously again, the next parameter will be display. Or, 5 seconds after the last press of a
button, the last parameter will be displayed again.
6. If you wish to display and change additional parameters, repeat steps 3 through 5.
7. Otherwise, press + or until End is displayed, and then press + and simultaneously to save the change and exit
parameter entry mode.
Do you want to lock the buttons?
If the button lock function is enabled by parameter P26, then pressing 7 seconds on the operating mode button , the button
will be locked or unlocked respectively.
If Auto lock is configured, then the controller will automatically lock the buttons after 30 seconds of the last adjustment.
Commissioning (by qualified HVAC staff)
Parameter
Controllers parameter factory settings Setting range Change record
P03
Setpoint of heating in protection
(Wheat
Stb
)
8 °C OFF, 5 °CWcool
Stb
P04
Setpoint of cooling in protection
(Wcool
Stb
)
OFF OFF, Wheat
Stb
40 °C
P05 Minimum setpoint limitation in Comfort mode (Wmin
Norm
)
5 °C 5 °CWmax
Norm
P06 Maximum setpoint limitation Comfort mode (Wmax
Norm
)
35 °C Wmin
Norm
40 °C
P07 Sensor calibration 0 K -33 K
P08 Switching differential heating SDH 1 K 0.54 K
P09 Switching differential cooling SDC 1 K 0.54 K
P14 Dwelling time of auto fan speeds 2 min. 15 minutes
P17 Selection of °C or °F °C °C or °F
P18 Display of temperature or setpoint ON
OFF: Setpoint
ON: Room (or return air)
temperature
P21 Fan control in normal operation (Comfort mode) ON
OFF in dead zone
ON in dead zone
P22 Heat/Cool mode
3: Manual H/C
changeover
0: Heating only
1: Cooling only
3: Manual H/C changeover
P26
Button lock
(Pressing 7 seconds on the operating mode button, the
button will be locked or unlocked respectively)
0 (Disabled) 0: Disabled
1: Auto lock
2: Manual lock
! Please record all changes you make.
2010 Siemens Switzerland Ltd.
Subject to change
2


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