Vaillant VRT 350f Operating Instructions Manual page 22

4 Operating
Setting level
HEATING 1
Basic settings → Factory reset (reset) →
Time programmes
Everything
Installer level →
Enter code
22
Values Unit
Min. Max.
1 10 Letter,
number
000 999
Increment, select Default setting
A to Z, 0 to 9, space HEATING 1
Yes, No No
Yes, No No
1 000
Operating instructions VRT 350f 0020131979_00
Setting