Functions Of The Heating Circuit; Weather-Compensated Control - Samson TROVIS 5500 Operating Instructions Manual

Functions of the heating circuit

5 Functions of the heating circuit
The following function descriptions are based on systems with heating circuits on the secondary
side. Refer to section 2.1.
5.1

Weather-compensated control

When weather-compensated control is used, the flow temperature is controlled according to the
outdoor temperature. The heating characteristic in the controller defines the flow temperature
set point as a function of the outdoor temperature (–> Fig. 1).
[ C]
˚
130
120
110
100
90
80
70
60
50
40
30
20
20
Fig. 1 Gradient characteristics
28
EB 5571-2 EN
t
VL
16 12 8
3,2
4 0 -4 -8
2,9 2,6
2,4
2,2
2,0
1,8
1,6
1,4
1,2
1,0
0,8
0,4
0,2
t
-12 -16 -20 [
C]
˚
t Flow temperature
VL
t Outdoor temperature
A
A