Siemens RDG100KN Operating Instructions page 2

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

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
This message reminds you to clean the filter on your HVAC equipment.
FIL *
It will appear after  _______ "fan operating hours" and disappear when the thermo-
stat is set to Protection
AL1 * These fault messages tell you an external fault has occurred *:
AL2 *
AL1 : _______________________
AL3 *
AL3 : _______________________
* Needs to be configured by your HVAC installer
Button lock

If the button lock function is enabled (parameter P14 = 2), then pressing the
right button for 3 seconds will lock or unlock the buttons respectively.
Locked buttons are indicated with the key symbol

If "Auto lock" is configured (P14 = 1), the thermostat will automatically lock the
buttons 10 seconds after the last adjustment.
Commissioning (by qualified HVAC installer)
To adapt the thermostat to your system 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 blinking and can be changed
by turning the rotary knob.
5. Press button (OK) to confirm the adjusted value, or
If you wish to adjust additional parameters, repeat steps 3 through 5, or press
parameter setting mode.
Parameter list
No. Description Default value
P01 Control sequence 2-pipe / 2-stage:
1 = cooling only
4-pipe:
4 = H and C
P02 Mode selection via operating mode 1
button
P03 Mode selection via fan mode button 0 = Auto / Manual
P04 Selection of °C or °F 0 = °C
P05 Sensor calibration 0.0 K
P06 Standard temperature display 0 = Room temp.
P07 Additional user information 0 = No display
P08 Comfort basic setpoint 21 °C
P09 Minimum setpoint limitation in 5 °C
Comfort mode
P10 Maximum setpoint limitation in 35 °C
Comfort mode
P11 Setpoint for heating in Economy mode 15 °C
(WheatEconomy)
P12 Setpoint for cooling in Economy mode 30 °C
(WcoolEconomy)
P13 Electric heater in cooling mode ON
***
P14 Button lock 0 = Disabled
** When no time schedule via KNX exists, then Auto is equal to Comfort.
*** Parameter P13 is only displayed with application 2-pipe with el. heater.
All temperature settings can be made in increments of 0.5 °C.
 Please record all changes you make!
symbol.
AL2 : __________________________
(Esc) to cancel the change.
(Esc) to leave the
Setting range Adj. 
0 = Heating only
1 = Cooling only
2 = H/C changeover, manual
3 = H/C changeover, automatic
4 = Heating and cooling
1 = Auto** / Comfort / Protection
2 = Auto** / Comfort / Economy /
Protection
0 = Auto / Manual
1 = Manual
2 = Auto / Manual / Protection
0 = °C
1 = °F
-3...+3 °C
0 = Room temperature
1 = Setpoint
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)
5 ... 40 °C
5 ... 40 °C
5 ... 40 °C
OFF, 5 °C...WcoolEconomy
OFF, WheatEconomy...40 °C
OFF = Disabled
ON = Enabled
0 = Disabled
1 = Automatic
2 = Manual
Siemens Building Technologies
Subject to change
CE1B3191en
12 May 2010