Adjusting The Display Contrast - Viessmann VITOLIGNO 300-P Operating Instructions Manual

Modifying the boiler heating characteristics
90
80
70
60
50
40
30
Example for outside temperature
−14 °C:

Adjusting the display contrast

Press the following keys:
1. "MENU".
2. |/~ for "Settings".
3. d to confirm.
10 5 0 -5 -10 -15 -20
Outside temperature in °C
A Underfloor heating, slope 0.2 to 0.8
B Low temperature heating, slope 0.8
to 1.6
C Heating system with a boiler water
temperature in excess of 75 °C,
slope 1.6 to 2.0
4. |/~ for "Contrast".
5. d
Further adjustments
(cont.)
Slope
1.4
C
1.2
1.0
B
0.8
0.6
0.4
A
0.2
-25 -30
Settings
Time/date
Language DE
Contrast
to confirm.
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