Button lock | If the button lock function is enabled by parameter P14, then the buttons will be |
| locked or unlocked by pressing the right button for 3 sec. |
| If “Auto lock” is configured, then the thermostat will automatically lock the buttons |
| 10 sec after the last adjustment. |
Operating mode switchover contact (Window contact)
Extended Comfort mode (operating mode switchover contact closed)
Temporary timer for extension of presence / absence
The thermostat can be forced into Energy Saving mode, e.g. when a window is opened. The window contact can be connected to digital input D1 (or multifunctional input X1, X2). Set parameter P42 (P38, P40) to 3.
The left button switches the operating mode from Energy Saving to Comfort for the period preset in P68, if the following conditions are fulfilled:
•The operating mode switchover contact is closed (connected to input X1, X2, D1, parameter P38, P40, P42 set to 3)
•Parameter P68 (extend Comfort period) is greater than 0
During the temporary Comfort mode extension, timer symbol 
appears.
If parameter P68 (extend Comfort period) = 0, extended Comfort cannot be activated; pressing the left button will show “OFF” (blinking 3 times)
The current operating mode can be forced temporarily into Comfort or Energy Saving / Protection mode. The time period is adjusted via the rotary knob:
•Extend presence: Set the device to Comfort mode for the selected time period
•Extend absence: Set the device to Energy Saving / Protection mode for the selected time period
To activate the function, keep the left button pressed and, within 3 seconds, turn the rotary knob
•clockwise for extended presence
•counterclockwise for extended absence The rotary knob adjusts the time period:
•Extend presence: 0.00…+9:30 in steps of 30 minutes; symbol 
appears
•Extend absence: 
or 
appears
During the extended presence / absence period, timer symbol 
appears.
Function
User operating mode | Operating | Function | Operating mode | Operating mode at |
selection | mode when |
| during function | the end of function |
| activating |
|
|
|
| function |
|
|
|
Comf | Extension | Comf | Prot |
Comf | Absence | Prot | Comf |
Prot | Not available | - | - |
Comf | Extension | Comf | Eco |
Comf | Absence | Eco | Comf |
| Eco | Extension | Comf | Eco |
| Eco | Absence | Eco | Comf |
| Prot | Not available | - | - |
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Siemens | RDG100…/RDG110…/RDG140.../RDG160… Basic Documentation | CE1P3182en |
Building Technologies | Functions | 28 May 2009 |
