Becker Centronic VarioControl VC120h Assembly And Operating Instructions Manual page 18

5) Time-controlled switch-off of the heating function:
The time-controlled switch-off can be carried out on two levels, after 60 mins
and after 120 mins.
On delivery, time-controlled switch-off is deactivated.
5a) Activating automatic switch-off after 60 minutes
Press the DOWN button for 6 seconds.
The connected device switches on and off briefly to confirm.
5b) Activating automatic switch-off after 120 minutes
Press the UP button for 6 seconds.
The connected device switches on and off briefly to confirm.
5c) Deactivating automatic switch-off
Press the STOP button for 10 seconds.
The connected device switches on and off briefly to confirm.
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