Vaillant 0020236294, Operating Instructions Manual

Page: 8 / 28

5 Operating and display functions
8
Operating instructions 0020262548_00
4.3.2 Example, changing the display contrast
Auto
5.0 °C
°C
19.5
15:34
Desired heating temp. 20.0 °C
Menu Operating mode
1. Press the left-hand selection button Back until the basic
display appears in the display.
2. Press the left-hand selection button Menu .
◁
The system control switches to selection level 1.
Menu
Information
Desired temperatures
Timer programmes
Back Select
3. Turn the rotary knob until the list entry Basic settings
is highlighted.
Menu
Planning days away from home
Planning days away from home
Days at home scheduling
Basic settings Basic settings
Back
Select
4. Press the right-hand selection button Select .
◁
The system control switches to selection level 2.
Basic settings
Language
Date/time
Display
Back
Select
5. Turn the rotary knob until the list entry Display is high-
lighted.
Basic settings
Language
Language
Date/time
Date/time
Display
Back Select
6. Press the right-hand selection button Select .
◁
The system control switches to setting level
Display . The adjustable value for the Display
contrast is highlighted.
Display
Display contrast
Button lock
9
Back Change
7. Press the right-hand selection button Change .
◁
The highlighted value flashes.
Display
Display contrast
Button lock
9
Cancel OK
8. Turn the rotary knob to change the value.
Display
Display contrast
Button lock
12
Cancel
OK
9. Press the right-hand selection button OK to confirm the
change.
◁
The system control has saved the changed value.
10. Press the left-hand selection button Back repeatedly to
go back to the basic display.
5 Operating and display functions
Note
The functions described in this section are not
available for all system configurations.
Overview of operating modes and the end user
level
Operating modes (
→
Page 19)
End user level (
→
Page 19)
The path details given at the start of each function descrip-
tion indicate how you reach this function in the menu struc-
ture.
The description of the functions for ZONE1 also applies for
all available zones.