3.4
Electrical diagram
Fig.2
Electrical diagram
X1
X2
1
2
3
4
1
2
3
GN/
BR
BL
YW
GN/
YW
GN/
YW
BL
BR
1
2 3
K1
N
L
230V, 50Hz
1
2
X10
1
2 3
8
9
10 11
BK
BL
RD
BK
BK
1
1
3 1
X114
X115
X112
2
2
2
10
11
12
1 Power supply (P)
2 Extended PCB (SCU)
3 On/off switch (S)
4 Fan (FAN)
5 Ignition transformer (IT)
6 Ignition pin (E)
7 Gas combination block (GB)
8 Circulating pump (pump A)
9 High limit switch (HLS)
10 Return sensor (RTS)
11 Flow sensor (FTS)
12 Pressure switch (PS)
13 Storage parameter (PSU)
14 Circulating pump (PWM pump)
123157 - v.12 - 07022018
X3
4
5
3 2 1
1 2 3
GN/
BR
BL
YW
BL
BR
GN/
YW
3 1
3 1 2
X51
4 2
X41
3
4
4 5 7 6
12 13
1 2 3 4 5 6
OR
BK
BK
BK
WH
BK
BK
BK
1 2
1 2 3 4
X111
X116
13
14
2
X4
X5
2 3 4 1
GY
BK
BL
BR
GN/
BL
YW
3
1 2
X51
5
6
X11
1 2
3 4 5 6
YW
RD
GY
GN
15
X3
X2
X1
15 Thermostat (OT)
16 Outside sensor (OS)
17 Calorifier sensor (WS)
18 Computer connection (PC)
19 Display (DIS)
BK Black
BL Blue
BR Brown
GN Green
GY Grey
RD Red
OR Orange
WH White
YW Yellow
3 Technical specifications
X6
X8
1 2 3
1 2 3
GN/
GN/
YW
YW
WH
BR
BL
BL
2 1 3
X81
3
5
1
3 1 2
X21
7
8
9
X12
7 8
9 1 0
16
17
X4
X5
X6
18
X7
X8
X9
X10
X11
X14
X13 X12
X9
1
2 3 4 5
BK
BK
BK
BK
BK
BK
1
1 2 4 5
X117
X91
2
4
X13
X14
1
1 10
1 10
19
AD-0000062-01
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