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Timer to extended presence or absence
The Comfort and Economy modes can be temporarily extended by 0.5 to 9.5 hours using the timer.
1. To set the timer, press and hold the operating mode button.
While holding the button, turn the rotary knob clockwise or counterclockwise as required.
a) Turn the rotary knob clockwise to extend Comfort mode.
Display:
0...+9:30
b) Turn the rotary knob counterclockwise to extend Economy mode.
Display:
0...–9:30
2. Release the operating mode button and the mode is temporarily changed, indicated by
symbol.
After the temporary timer has elapsed, the thermostat will resume operation in the operating mode
according to schedule via bus (if available). Without schedule:
– when extended Comfort mode ends new operating mode = Economy
– when extended Economy mode ends new operating mode = Comfort
If Economy mode cannot be selected via the operating mode button (P02 2), Protection mode will
be used for extended absence instead.
The temporary timer function is aborted whenever a new setting is made.
Temporary timer to extend the Comfort mode
When the operating mode is Economy (commanded by schedule via KNX or by en external signal. e.g.
keycard), it can be set back to Comfort temporarily by pressing the operating mode button.
The
symbol will appear.
Pressing the operating mode button again will stop the timer.
This function is only available when parameter P02 = 1. Duration: * P68 = 0...360 min, factory setting = 0 min.
* Needs to be configured by your HVAC installer.
Reminder clean filter and display of external faults
AL1 *
AL3 *
These fault messages tell you an external fault has occurred *:
AL1 : _______________________ AL3 : __________________________
* Needs to be configured by your HVAC installer
Button lock
If the button lock function is enabled (parameter P14 = 2), then pressin
g
the
right button for 3 seconds
will lock or unlock the buttons respectivel
y
.
Locked buttons are indicated with the key symbol
If "Auto lock" is confi
g
ured (P14 = 1), the thermostat will automaticall
y
lock the
buttons 10 seconds after the last adjustment.
Commissioning (by qualified HVAC installer)
To adapt the thermostat to
y
our s
y
stem and optimize the control performance, a number of control
parameters can be adjusted. This can be done during operation, either via the buttons on the thermo-
stat or via a commissioning tool.
Control parameters
If you wish to change control parameters, proceed as follows:
1. Press left and right buttons simultaneously for at least 3 seconds.
2. Release them and, within 2 seconds, press the right button again for 3 seconds.
The display will show P01.
3. Select the required parameter by turning the rotary knob.
4. Press button
(OK). The current value of the selected parameter starts blinkin
g
and can be chan
g
ed
by turning the rotary knob.
5. Press button
(OK) to confirm the adjusted value, or (Esc) to cancel the change.
If you wish to adjust additional parameters, repeat steps 3 through 5, or press (Esc) to leave the
parameter setting mode.
Parameter list
No. Description Default value Setting range Adj.
P01 Control sequence *** 1 = cooling only 0 = Heating only
1 = Cooling only
2 = H/C changeover, manual
3 = H/C changeover, automatic
P02 Mode selection via operating mode
button
1
1 = Auto** / Comfort / Protection
2 = Auto** / Comfort / Economy /
Protection
P04 Selection of °C or °F 0 = °C 0 = °C
1 = °F
P05 Sensor calibration 0.0 K -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 = Room Temperature 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 mode
5 °C 5 ... 40 °C
P10 Maximum setpoint limitation in
Comfort mode
35 °C 5 ... 40 °C
P11 Setpoint for heating in Economy mode
(WheatEconomy)
15 °C OFF, 5 °C…WcoolEconomy
P12 Setpoint for cooling in Economy mode
(WcoolEconomy)
30 °C OFF, WheatEconomy…40 °C
P14 Button lock 0 = Disabled 0 = Disabled
1 = Automatic
2 = Manual
** When no time schedule via KNX exists, then Auto is equal to Comfort.
*** Not supported with all configurations.
All temperature settings can be made in increments of 0.5 °C.
Please record all changes you make!
Siemens Building Technologies
Subject to change
CE1B3192en
12 May 2010
2


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