Wiring Diagram - Immergas EOLO STAR 24 4E Instructions And Warnings

3.5

WIRING DIAGRAM.

1
Key:
A3 - Integrated P.C.B.
B1 - Flow probe
B2 - D.H.W. probe
CAR - Comando Amico Remoto
V2
remote control (optional)
E3 - Ignition and detection electrode
E4 - Safety thermostat
F1 - Phase fuse
LCD1 - Display
M1 - Boiler pump
M20 - Fan
S2 - Selector switch functioning
S3 - Reset block key
S4 - D.H.W. flow switch
S5 - System pressure switch
S6 - Flue pressure switch
Comando Amico Remoto
The boiler is set-up for the application of the Comando Amico
Remoto remote control V2 (CAR
must be connected to clamps 40 and 41, by observing polarity and
eliminating jumper X40.
Room thermostat.
The boiler is set-up for the application of the Room Thermostat
(S20) which must be connected to clamps 40 and 41 and by eli-
minating jumper X40.
S20 - Room thermostat (optional)
S21 - Key to increase DHW
S22 - Key to decrease DHW
V2
S23 - Key to increase central heating
S24 - Key to decrease central heating
T1 - Ignition transformer
T2 - Boiler P.C.B. transformer
X40 - Room thermostat jumper
Y1 - Gas valve
Y2 - Gas valve modulator
1 - User interface
2 - 230 Vac 50 Hz supply voltage
.
V2
) or of the Mini CRD, which
V2
temperature
temperature
temperature
temperature
The X5 connector is used for automatic inspection.
The user interface is on the welding side of the boiler
board
2
Colour code key:
BK - Black
BL - Blue
BR - Brown
G - Green
DY - Grey
OR - Orange
P - Purple
PK - Pink
R - Red
W - White
W/BK - White/Black
Y - Yellow
Y/G - Yellow/Green
33
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