Vaillant VRT 350f Installation Instructions Manual page 20

5.2.4 Select language
Note
During installation, the competent person sets the
desired language. All functions are displayed in
the set language.
Menu → Basic settings → Language
–
If the language of e.g. a service technician differs from
the set language, you can change the language using this
function.
Caution.
It may not be possible to operate the con-
trol if the wrong language is selected.
If you select a language that you do not un-
derstand, you can no longer read the text in
the control display and can no longer operate
the control.
▶
Only select a language that you under-
stand.
However, if the text in the display should appear in a lan-
guage that you do not understand, you can set a different
language.
20
5.2.4.1 Setting your language
1. Press the left-hand selection button repeatedly until the
basic display appears.
2. Press the left-hand selection button again.
3. Rotate the rotary knob clockwise until the dotted line
appears.
4. Turn the rotary knob anti-clockwise until the second list
entry above the dotted line is highlighted.
5. Press the right-hand selection button twice.
6. Turn the rotary knob until you find a language that you
understand.
7. Press the right-hand selection button.
5.2.5 Setting the date
Menu → Basic settings → Date/Time → Date
–
Select this function to set the current date. All control
functions that contain a date relate to the set date.
5.2.6 Setting the time
Menu → Basic settings → Date/Time → Time
–
Select this function to set the current time. All control
functions that contain a time relate to the set time.
5.2.7 Changing over to daylight saving time
Menu → Basic settings → Date/Time → Day-light savings
Operating instructions 0020131979_01