Slant/Fin VGH-299-CH Installation And Service Manual page 121

System Example 7
BOILER 1
managing
OS
Low Voltage Connections
RT
OS
FS
SNV
LLH
High Voltage Connections
P1
P3
Figure 21-7
RT
BOILER 2 BOILER 3
depending 1 depending 2
P1 P1
SNV SNV
Name
Room thermostat
outdoor temperature sensor
System temperature sensor
non-return valve (low resistance type)
low loss header
boiler circulator
System heating circulator
E93.1601EN032.C VGH installation manual
BOILER 4
depending 3
P1 P1
SNV SNV
LLH
FS
Wire terminal
12-13
1-2
3-4
4-PE-5
6-PE-7
HEATING
ZONE
P3
121