Samson TROVIS 5571 - Four-Point Characteristic

5.1.2 Four-point characteristic
The four-point characteristic allows you to define your own heating characteristic.
The four-point characteristic is defined by four points for Outdoor temperature and for Flow
temperature. The set-back difference is entered for points 1 and 2 as well as points 3 and 4. This
results in the dashed line in Fig. 2.
The Max. flow temperature and Min. flow temperature parameters mark the upper and lower li
-
mits of the flow temperature.
2
[Übersicht > Service > Heizkreis 1…3]
This menu can only be selected after the application key number has been entered!
Parameter WE Adjustment range
Kennlinienart (type of character
-
istic) = 4-Punkte (four-point)
Steigung Four-point, gradient, fixed set point
2
[Übersicht > Parameter > Heizkreis 1…3 > Kennlinie]
Parameters WE Adjustment range
Außentemp. Punkt1
(outdoor temp. for point 1)
–10 °C –20 to 50 °C
Vorlauftemp. Punkt1
(flow temp. for point 1)
90 °C 20 to 160 °C
30 EB 5571-2 EN
Functions of the heating circuit
t
VLmax
t
VLmin
t
VL
100
90
80
70
60
50
40
30
20
10
[˚C]20 15 10 5 0 –5 –10 –15 –20
P1
P2
P3
P4
[˚C]
t
A
Fig. 2 · Four-point characteristic
P1 to 4 Points 1 to 4
t
VL
Flow temperature
t
A
Outdoor temperature
...min Min. t
VL
...max Max. t
VL
Four-point characteristic
Reduced four-point characteristic