Immergas Victrix 20 - Wiring Diagram Victrix 27

Remote Friend Control or Room ermostat:
the boiler is arranged for application of a Room ermostat
(TA) or Remote Friend Control (CAR). Connect the Room
ermostat to terminals 40 and 41 and remove jumper X20.
e Remote Friend Control must be connected to terminals
42 and 43 on the electronic card, respecting the polarity and
removing jumper X20.
3.2 Wiring diagram - Victrix 27.
Key:
B1 - Heating NTC sensor
B2 - Domestic circuit NTC sensor
B3 - External sensor (optional)
CAR - Remote Friend Control (optional)
DL1 - Heating On LED
DL2 - Domestic circuit On LED
DL3 - Flame presence LED
E1-E2 - Igniters
E3 - Detection plug
E4 - Temperature safety thermostat
M1 - Circulating pump
M2 - Fan
PU1 - “Block” reset
R2 - Domestic circuit thermal ywheel PTC
S1 - Main rotary switch
S2 - Pump ow switch microswitch
S3 - Domestic circuit priority microswitch
T1 - Voltage transformer
TA - Room thermostat On/O (optional)
U1 - Rectier inside gas valve connector (present on Honeywell and Dungs)
X20 - Room thermostat or Remote Friend Control inhibitor jumper
Y1 - Gas valve
white white white white red gey-green pink pink pink purple purple purple red red red white white red grey grey brown
orange
brown
brown brown
white-blue
white-blue brown
red-black brown
blue
black black black
red-black red-black red-black
black black grey grey red orange orange orange blue blue
blue
blue
N.B.
The rectifier U1 is present on boilers equipped
with Honeywell and Dungs gas valve
N.B.
The connectors edged in black
are inserted on the ignition unit.
ADJUSTMENT
CARD
IGNITION/
DETECTION
UNIT
DISPLAY CARD
Zone unit
(optional)
Auxiliary
output
Power supply
22
INSTALLERUSERTECHNICIAN
23
INSTALLERUSERTECHNICIAN