Samson TROVIS 5573 - Page 117

EB 5573 EN 16-35
Appendix A (conguration instructions)
16.2 Functions of the heating circuit
Which controller functions are available depends on the selected system code number (Anl).
16.2.1 Outdoor-temperature-compensated control
Whenoutdoor-temperature-compensatedcontrolisused,theowtemperatureiscontrolled
basedontheoutdoortemperature.Theheatingcharacteristicinthecontrollerdenesthe
owtemperaturesetpointasafunctionoftheoutdoortemperature(seeFig.16-3).Theout-
door temperature required for outdoor-temperature-compensated control can either be mea-
suredatanoutdoorsensororreceivedoverthe0to10Vinput.
20
30
0,2
2,4
2,62,93,2
2,2
2,0
1,8
1,6
1,4
1,2
1,0
0,8
0,4
0,6
40
50
60
70
80
90
100
110
120
130
°
C
–20
°
C–16–12–8–4048121620
140
150
–24 –28 –32 –36 –40
t
VL
t
A
t
VL
: Flow temperature
t
A
: Outdoor temperature
Fig.16-3: Gradient characteristics