30
37
INSTALLERUSERMAINTENANCE TECHNICIAN
3.2 WIRING DIAGRAM.
Colour code key:
BK - Black
BL - Blue
BR - Brown
G - Green
DY - Grey
OR - Orange
P - Purple
PK - Pink
R - Red
W - White
Y - Yellow
Y/G - Yellow/Green
Key:
B1 - Flow probe
B2 - Boiler probe (optional)
B4 - External probe (optional)
B5 - Return probe
B9 - DHW inlet probe (optional)
B10 - Flue probe
CAR
V2
- Comando Amico Remoto
V2
remote
control (optional)
E3 - Ignition and detection electrode
M1 - Boiler pump
M20 - Fan
M30 - ree-way motor stepper
R8 - Storage tank resistance
S5 - System pressure switch
S20 - Room thermostat (optional)
T2 - Ignition transformer
X40 - Room thermostat jumper
Y1 - Gas valve
Comando Amico Remoto
V2
: the boiler is pre-
pared for the application of the Comando Amico
Remoto remote control
V2
(CAR
V2
), which must
be connected to clamps 44/40 and 41 of the
terminal board (located in the boiler control
panel) respecting the polarity and eliminating
jumper X40.
Room thermostat: the boiler is prepared for the
application of the room thermostat (S20), which
must be connected to clamps 44/40 - 41 of the
terminal board (located in the boiler control
panel) eliminating jumper X40.
Storage tank unit: the boiler is prepared for
connection to a storage tank unit, which must be
connected to terminals 36 and 37 of the terminal
board (placed inside the connections compart-
ment), eliminating resistance R8.
230 Vac 50Hz
supply voltage
To Next Page
General
