47
16.0 Electrical
© Baxi Heating UK Ltd 2011
- brown
- black
- blue
- white
br
bk
b
w
- green
- green / yellow
- red
g
g/y
r
Control PCB
X2
X3
X9
X501
1
2
1
2
3
3
4
4
5
5
6
7
8
9
X1
1
2
Return Heating
Temp Sensor
Central Heating
NTC Sensor
Fan
Gas Valve
Overheat Stat
Pump
X400
X401
g
g
b
b
r
r
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
9 8 7 6 5 4 3 2 1
9
10
8 7 6 5 4 3 2 1
N
L
br
br
1
4
2
5
3
1
2
a
b
Link
b
g/y
br
Mains Input
br
b
bk
bk
bk
- grey
gr
gr gr
E
N
L
16.1
Illustrated Wiring Diagram
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