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Heating system types
15
Circuit Diagram 5
Multi-boiler system with shunt pump for elevating the return temperature for each boiler
in conjunction with Vitorond 200, VD2
A
Boiler with Vitotronic 100, GC1
B
Domestic hot water tank
C
Heating circuit with mixing valve
Plugs
§
Boiler temperature sensor
aJ
A
Temperature sensor T1
aJ
B
Temperature sensor T2
sL
Shunt pump
fÖ
Power supply connection,
120 VAC
fA
Burner (1st stage)
gS
A1 Motorized isolation valve
lÖ
Burner (2nd stage/modulating)
aVD
Connection of external
equipment (see page 60)
aVH
Connection of external
equipment (see page 60)
5
3
5
1
3
3
8
v
1
.8
B
C
C
A
A
3
17B
9
0
4
1
4
0
1
4
6
1
4
3
5
2
A
1
T1
17A
T2
2
9
3
17B
9
0
4
1
4
0
1
4
6
1
4
3
5
2
A
1
T1
17A
T2
2
9
Содержание Vitotronic 100 GC1
Страница 43: ...Installation 43 Overview of Electrical Connections VD2 VD2A CT3 only continued 5351 338 v1 8 29 20 A1 ...
Страница 44: ...Installation 44 Overview of Electrical Connections CM2 only continued 5351 338 v1 8 ...
Страница 128: ...Additional information 128 Wiring Diagrams continued Line voltage motherboard 5351 338 v1 8 A11 A3 floating ON ON ...
Страница 131: ...Additional information 131 Parts List 5351 338 v1 8 ...