Immergas VICTRIX EXTRA 12 PLUS Instructions And Recommendations page 84

TECHNICAL DATA
Key (Fig. 53):
A35 - Touch keyboard
B1 - Flow probe
B2 - DHW probe (optional)
B4 - External probe (optional)
B5 - Return probe
B8 - System pressure meter
B27 - Double flue probe sensor
DIM BUS - DIM ERP (optional) or Zone Kit
E3 - Ignition and detection electrode
IMG BUS - CAR (optional) or Smartech Plus (optional) or Com-
V2
mercial Remote OT (optional)
K70 - Multifunction relay
Any room thermostat or ON-OFF must be connected to terminals 40 and 41 eliminating link X40.
Any CAR must be connected to terminals 44 and 41 complying with the polarity without eliminating link X40.
V2
Storage tank unit: the appliance is prepared for connection to a storage tank unit; the relative DHW probe (optional) must be connected to clamps 47 - 48 of the terminal board (on the control
panel), eliminating resistance R8.
MAINTENANCE TECHNICIAN
MODBUS - Dominus (optional) or B.M.S.
M1 - Boiler circulating pump
M20 - Fan
M30 - Three-way stepper motor
R8 - Storage tank resistance
S20 - Room thermostat (optional)
X40 - Room thermostat link
X70 - L.V. safety thermostat link
Y1 - Gas valve
USER
Colour code key (Fig. 53):
BK - Black
BL - Blue
BR - Brown
G - Green
GY - Grey
OR - Orange
P - Purple
R - Red
W - White
Y - Yellow
G/Y - Yellow/Green
INSTALLER