Viessmann VITOLADENS 300-W Installation And Service Instructions Manual page 49

Further details regarding the individual steps
90
80
70
60
50
40
30
Slope setting ranges:
■ Underfloor heating systems: 0.2 to 0.8
■ Low temperature heating systems: 0.8
to 1.6
Selecting the set room temperature
Individually adjustable for each heating
circuit.
The heating curve is offset along the axis
of the set room temperature. With the
heating circuit pump logic function ena-
bled, the curve modifies the starting and
stopping characteristics of the heating
circuit pump.
Commissioning, inspection, maintenance
10 5 0 -5 -10 -15 -20
Outside temperature in °C
Standard set room temperature
C
D
Example 1: Adjustment of the standard
set room temperature from 20 to 26 °C
A Boiler water temperature or flow
B Outside temperature in °C
C Set room temperature in °C
(cont.)
Slope
-25 -30
90
A
B
temperature in °C
1.4
1.2
1.0
0.8
0.6
0.4
0.2
-20
E
49