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16.0 Electrical
© Baxi Heating UK Ltd 2011
16.1 Illustrated Wiring Diagram
- brown
- black
- blue
- white
br
bk
b
w
- green
- green / yellow
- red
g
g/y
r
Control PCB
X2 X3
X9
X501
1212 3
3
44
5
5
6789
X1
12
DHW
NTC Sensor
Central Heating
NTC Sensor
Fan
Gas Valve
Overheat Stat
Flame
Sensing
Electrode
Pump
Flue Sensor
X400
X401
g
g
b
b
r
r
b
b
b
b
b
br
bk
g
b
br
g/y
b
br
b
br
br
b
b
b
br
br
br
b
b
br
r
bk
r
bk
Water Pressure
Switch
Spark
Generator
Ignition
Electrode
9876
54321
910 8 7 6
54321
Hall Effect
Sensor
r
w
b
w
r
bk
bk
r
w
Diverter Valve
Optional Timer
1
2
3
4
1234
bk
br
bk
b
N
L
w
g
1
4
2
5
3
1
2
a
b
Link
bk
b
g/y
br
Mains Input Cable
br
b