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3.4
Electrical diagram
Fig.4
BR
BR
P
BL
BL
RD
1
1
BK
N
O
2
2
WH
3
3
GN
1
BR
M
2
VT
3
GN
L
GN
BK
K
BR
BK
J
YW
BK
I
VT
4
G/Y
BL
H
BR
G/Y
BK
BL
G
BL
G/Y
WH
F
BK
G/Y
BK
E
WH
G/Y
BK
BK
D
BR
G/Y
BL
B
C
4
BR
3
N
A
2
L
1
Earth POP rivet
A Power supply 230 V 50 Hz
B Power supply auxiliary circuit 1
C Power supply auxiliary circuit 2
D Room thermostat
E Heating circuit pump
F Domestic hot water pump
G Safety contact
H Boiler pump
I Auxiliary sensor 1
J Auxiliary sensor 2
K Outside sensor
L Domestic hot water sensor
M Room temperature sensor 1
N Room temperature sensor 2
O Room temperature sensor 3
7702684 - v04 - 05092019
PK
GR
2
BL
RD
BL
GN
BK
RD
RD
1
3
BR G/Y
G/Y
G/Y
3
1
1A
1
4
2A
2
2
3.4.1
IX 245–130 and IX 245–150
5
HMI
YW
BK
GN
BR
GY
YW
BR
GN
WH
VT
BK
GN
PK
GR
BK
GN
RD
BL
BL
RD
RD
BL
BR
BL
BR
BR
BK
BR
WH
BR BR
BK
BR
BK
BL
BL
WH
BL
BL BL
BR
BL
G/Y
BL
BL
BL
11
10
12
GN
BK
BL
BR
P Boiler pump modulation (PWM)
1 Flow temperature sensor
2 Return temperature sensor
3 Hydraulic pressure sensor
4 Flue gas sensor
5 Control panel display
6 Ionisation probe
7 Spark plug
8 Igniter
9 Gas valve
10 Safety thermostat
11 Fan
12 Thermal fuse
13 Safety thermostat on the combustion chamber door
14 Flue gas pressure switch
3 Technical specifications
RD
GN
BK
BR
VT
BR
BL
BK
GN
BR
BL
BL
BR
7
6
G/Y
WH
a
b
8
BL
BR
G/Y
BR
BL
V2
BR
BR
BR
V1
BL
BR
13
9
MW-5000718-3
14
IX
17
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