Immergas VICTRIX 75 - Electrical Circuitry; 230 V AC Circuit Overview; Safety Devices and Controls

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STV75 ed 01/08 VICTRIX 75
Electrical circuit.
e VICTRIX 75 electrical circuit is connected to a microproc-
essor controlled p.c.b. that controls generator functions.
230 V AC circuit.
Safety devices and controls.
Some of the device on the circuit work at mains voltage (230
Vac) while others work at a low voltage.
is interrupts power to the circuit when power input is over 2 A.
It is mounted on the integrated board
Line fuse (board)
(F1)
2 AF 250 V fuse
is interrupts power to the circuit when power input is over 2 A.
It is mounted on the boiler terminal block.
Line fuse (terminal block)
(F2)
2 AF 250 V fuse
Legend:
B1 - Flow probe
B2 - Domestic hot water probe (optional)
B4 - External probe (optional)
B5 - Return probe
E1 - Ignition electrode
E2 - Detection electrode
E4 - Overheating safety thermostat
E6 - Flue thermostat
F1 - Line fuse (board)
F2 - Line fuse (terminal block)
F3 - Transformer fuse
M1 - Pump
M20 - Fan
M30 - 3-way diverter valve (optional)
S1 - Main switch
S5 - System pressure switch microswitch
S16 - Summer switch (not provided to Immergas)
S20 - Room thermostat ON/OFF (optional)
T10 - Low voltage transformer
X40 - Room thermostat jumper
Y1 - Gas valve (24 Vdc)
Black
Black
Black
Black
Black
Black
Black
Red
Red
Red
Red
Red
Red
Black
Black
Blue
Blue
BlueBlue
Blue
Brown
Brown
Brown Brown
Brown
Brown
Y/G
Y/G
Y/G
White
White
White
White blue
White brown
White brown
White brown
White blue
White
White
Wh.
Grey
Grey
Grey
Grey
Grey
Purple
Purple
Purple
Purple
Orange
Orange
Black
D.H.W.
C.H.
DISPLAY BOARD
Analogic input 0-10 V
External
circulating
pump Max. 1 A
F3
F1
Technical Documentation
Technical Documentation