Technical data

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Siemens RDG400KN Basic documentation CE1P3192en
Building Technologies Handling 20 Jul 2010
4.3 Operation
See also Operating Instructions B3192 [2] enclosed with the thermostat.
1. Operating mode selector / Esc
2. Protection and OK
3. Rotary knob to adjust setpoints
and parameters
User action Effect, description
Normal operation Actual operating mode and state are
indicated by symbols
Press any button
(thermostat in normal operation)
Enter operating mode selection;
backlit LCD turns on, all possible mode
symbols turn on, indicator element (arrow)
will appear on the current mode / state
Press left button Change operating mode (indicator element
(arrow) changes to the next mode symbol.
After the last press and a timeout of 3
seconds, the newly selected mode is
confirmed, the other elements disappear.
After a timeout of 20 seconds, the LCD
backlight turns off
Press left button (P01 = 2) Toggle between heating and cooling
Press left button while "Operating
mode" via bus is Economy or while
operating mode switchover contact is
activated
Activate "Extend Comfort mode"
(for details, see page 17)
Keep left button depressed and
turn rotary knob clockwise / counter-
clockwise
Activate timer "Extend presence" / "Extend
absence" and set the time (for details, see
page 17)
Press right button >3 seconds Activate / deactivate button lock
Press right button Set thermostat to Protection mode or back
to previous operation mode
Turn rotary knob Adjust the room temperature Comfort
setpoint
Press left and right button >3
seconds, release, then press right
button >3 seconds
Enter parameter setting mode “Service
level”
Press left and right button for 3
seconds, release, press left button for
3 seconds, then turn rotary knob
counterclockwise min. ½ revolution
Enter parameter setting mode “Expert level”,
diagnostics and test
Press left and right button simultane-
ously for 6 seconds
Enter (KNX) programming mode
Layout
Button operation
2
1
3