Wiring Diagram - Immergas VICTRIX EXA 24 X 1 ErP Instruction And Recommendation Booklet

3.2 WIRING DIAGRAM.

Storage tank unit: the boiler is prepared for con-
nection to a storage tank unit, which must be
connected to clamps 36 and 37 of the terminal
board, eliminating resistance R8.
Comando Amico Remoto remote control
the boiler is set-up for the application of the
Comando Amico Remoto remote control
V2
(CAR ), which must be connected to clamps
41 and 44 of the terminal board, by observing
polarity and eliminating jumper X40.
Room ON-OFF thermostat: the boiler is set-up
for the application of the Room Thermostat
(S20), which must be connected to clamps 40
and 41 of the terminal board and by eliminating
jumper X40.
V2
:
e connector X5 is used for the connection to
V2 the relay board.
e connector X6 is for connection to a personal
computer.
e connector X8 is used for so ware updating
operations.
26
Key:
B1 - Flow probe
B2 - Domestic hot water probe
B4 - External probe (optional)
B5 - Return probe
B10 - Flue probe
CAR V2 - Comando Amico Remoto remote
V2
control (optional)
E1 - Ignition electrodes
E2 - Detection electrode
E4 - Safety thermostat
E13 - Heat exchanger safety thermofuse
G2 - Igniter
M1 - Boiler circulator pump
M20 - Fan
M30 - ree-way valve
R5 - Domestic hot water temperature
trimmer
R6 - Central heating temperature trimmer
R8 - Storage tank function unabling
resistance
S2 - Operation selector
S3 - Block reset button
S5 - System pressure switch
S20 - Room thermostat (optional)
S31 - On/Stand-by/O Button
S33 - Info button
T2 - Boiler board transformer
X40 - Room thermostat jumper
Y1 - Gas valve
1 - 230 Vac 50 Hz power supply
2 - Status signal
3 - Safety thermostat (low temperature)
connection jumper
4 - Return probe function con guration
jumper
5 - Storage tank mode con guration
jumper
6 - N.B.: the user interface is on the
welding side of the boiler board
7 - Orange
8 - Black
9 - Black (DHW)
10 - Brown
11 - Brown (C.H.)
12 - Blue
13 - Grey
14 - White
15 - Pink
16 - Red
17 - Green
3-2