Immergas Victrix Pro 80 2ErP - 3.7 D.H.W. pump boiler and tank probe wiring diagram (optional).; 3.8 Common flow probe and 3-way boiler wiring diagram (optional).; 3.9 Simple cascade boiler with D.H.W. pump and tank probe wiring diagram (optional).

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INSTALLERUSER
MAINTENANCE TECHNICIAN
3.7 D.H.W. PUMP BOILER AND TANK PROBE WIRING DIAGRAM (optional).
3.8 COMMON FLOW PROBE AND 3WAY BOILER WIRING DIAGRAM (optional).
3.9 SIMPLE CASCADE BOILER WITH D.H.W. PUMP AND TANK PROBE WIRING DIAGRAM (optional).
Key:
B1-2 -System ow probe (NTC) (optional)
B2 - Domestic hot water probe (NTC) (optional)
B4 - External probe (optional)
M2 - Plant CH pump (optional)
M3 - Domestic hot water pump (optional)
Note (probe B1-2, B2, B4):
- Connection cable diameter 3÷7 mm
- Cable section 0.5 ÷ 1.5 mm
2
1 - External relay (optional)
Coil 230 Vac - Max. 0.1 A
2 - 230 Vac 50 Hz
3 - “IT”-“IK” outlet =
230 Vac - 0.8 A Max. cosφ ≥ 0.6
4 - “C”-“D” inlet = Clean contact
Max. 230 Vac - 0.8 A Max. cosφ ≥ 0.6
Key:
B1-2 - System ow probe (NTC) (optional)
B2 - Domestic hot water probe (NTC) (optional)
B4 - External probe (optional)
M2 - Plant CH pump (optional)
M30 - 3-way valve (optional)
Note (probe B1-2, B2, B4):
- Connection cable diameter 3÷7 mm
- Cable section 0.5 ÷ 1.5 mm
2
1 - External relay (optional)
Coil 230 Vac - Max. 0.1 A
2 - 230 Vac 50 Hz
3 - “IT”-“IS"-"IK” outlet =
230 Vac - 0.8 A Max. cosφ ≥ 0.6
4 - “C”-“D” inlet = Clean contact
Max. 230 Vac - 0. 8 A Max. cosφ ≥ 0.6
Key:
B1-2 - System ow probe (NTC) (optional)
B2 - Domestic hot water probe (NTC) (optional)
B4 - External probe (optional)
M2 - Plant CH pump (optional)
M3 - Domestic hot water pump (optional)
Note (Connection bus):
- Connection cable diameter 3÷7 mm
- Cable section 0.5 ÷ 1.5 mm
2
- Maximum length 3 m
Note: Probes B1-2, B2, B4 must be connected to
the MASTER boiler.
Note (probe B1-2, B2, B4):
- Connection cable diameter 3 ÷ 7 mm
- Cable section 0.5 ÷ 1.5 mm
2
1 - External relay (optional)
Coil 230 Vac - Max. 0.1 A
2 - 230 Vac 50 Hz
3 - “IT”-“IK” outlet =
230 Vac - 0.8 A Max. cosφ ≥ 0.6
4 - “C”-“D” inlet = Clean contact
Max. 230 Vac - 0.8 A Max. cosφ ≥ 0.6