Wiring Diagram - Immergas 3.023355 Instruction Sheet

ELECTRIC CONNECTIONS OF THE BOILER
COMPONENTS.
Open the connection compartment (system manager) (17) and
connect the various kit components (Fig. 2):
- Position the relay (16) on the free DIN guide (horizontal) (18),
keeping the LED at the bottom.
- Make the connections as described in the wiring diagram
(Fig. 3):
1) Connect the connector J2 and the 3 wires (B6-ID7-Y1) to the
left of the board A13.
2) Connect the hanging wires (black, yellow, grey and brown)
to the relay (Part. 16 Fig. 2).
3) Connect the connector X112 to the male connector in the
system manager.
4) Connect the earth wire to the free faston (Part.19 Fig. 2) near
terminal board X100.
5) Connect the other end of the wiring to the circulator and to
the probe.
- Once the connections have been made, feed the wiring in the
cable guide combining it with the existing wiring.
- Block the black wires in the existing cable sleeves
(Part. 20 Fig. 2) and into the resealable cable tie (Part. 21 Fig. 2).

WIRING DIAGRAM.

Key:
B25 - Heat Pump secondary flow probe
M15 - Heat Pump secondary circulator
K4 - Heat Pump secondary circulator relay
N.B.: Connect the 3 wires of the wiring with labels, in the positions indicated, i.e.:
- B6 in connector J3
- ID7 in connector J4
- Y1 in connector J5.
Instead, insert connector J2 in board A13.
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Colour cables key:
BK - Black
BL - Blue
BR - Brown
G - Green
GY - Grey
G/Y - Green-Yel-
low
OR - Orange
P - Purple
PK - Pink
R - Red
W - White
Y - Yellow
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