Viessmann VITOLIGNO 300-H Operating Instructions For The System User page 28
Heating system with ecotronic weather-compensated, digital boiler and heating circuit control unit
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Central heating
Changing the heating curve
9. |/~ for the required value.
Heating curve
100°C
23°C
20
Slope
Change with
10. d
to confirm.
Note
Setting the heating curve slope or level
too high or too low will not result in dam-
age to your heating system.
For technically-minded system users
■ Heating curves illustrate the relation-
ship between the outside temperature
and the flow temperature. Simplified:
The lower the outside temperature, the
higher the flow temperature.
28
HC1
81°C
68°C
55°C
41°C
10
0
-20
-10
(
(cont.)
The illustrated heating curves apply with
the following settings:
■ Heating curve level = 0
Different level settings shift the curve
in parallel in a vertical direction.
■ Standard room temperature = approx.
-30
1.5
20 °C
In the delivered condition, the slope is
set to 1.4; the level to 0.
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