Viessmann VITOTRONIC 200 Operating Instructions Manual page 60

Appendix
Terminology
(cont.)
Cooling curve
Outside temperature in °C
35 30
0.2
0.4
0.6
0.8
1.0
1.2
1.4 1.6 1.8 2.0 2.2 2.6
Cooling curve slope
Fig. 52
Setting the slope and level using the heating curve
as an example
The illustrated heating curves apply with the following
settings:
Heating curve level = 0
■
Standard room temperature (set value) = 20
■
90
80
70
60
50
40
30
Fig. 53
For outside temperature
Underfloor heating system, slope 0.2 to 0.8
A
Low temperature heating system, slope 0.8 to 1.6
B
60
25 20
20
15
10
5
1
3.0 3.4
º
10 0 -10
-14
Outside temperature in °C
14 °C:
−
C
Slope
1.4
1.2
1.0
B
0.8
0.6
0.4
A
0.2
-20 -30