How To Use The Controls; Display; Locking The Control - Viessmann VITOTROL 100 UTDB Operating Instructions Manual

How to Use the Controls

Default Display
Press key , or
The display illumination is activated and you are taken to the
operating display
Operating Display
1. If the display illumination has gone out, press key
The display illumination is activated.
2. If the display illumination is activated, press key
this will take you to the menu.
3. Use to make the required settings and confirm
them with OK. Temperature changes made with
accepted automatically after 5 seconds.
Note: The menu is automatically exited approx. 30 seconds
after the last key was pressed.
Display Illumination
Press any key to activate the display illumination. The
display illumination automatically switches off approx. 15
seconds after the last key was pressed.
Locking the Controls
You can lock the control keys of the Vitotrol 100. To do so,
press and simultaneously for 5 seconds. To unlock the
keys, again press
:
and simultaneously for 5 seconds.
again:
are
Operation 5