Filter
Top Products
20
© Baxi Heating UK Ltd 2009
6.0 Boiler Internal Wiring
6.1 Boiler Internal Illustrated Wiring Diagram
- brown
- black
- blue
- white
- yellow
br
bk
b
w
y
- green
- green / yellow
- red
g
g/y
r
Control PCB
X2 X3
X9
X501
1212 3
3
44
5
5
6789
X1
12
Central Heating
NTC Flow Sensor
Fan
Gas Valve
Overheat Thermostat
Condensate Pump
X400
X401
bk
bk
gr
gr
b
b
br
bk
g
b
br
g/y
b
br
br
b
bk
b
br
bk
bk
bk
b
br
b
y
b
Spark
Generator
Ignition
Electrode
9876
54321
910 8 7 6
54321
1234
r
r
1
4
2
5
3
1
2
a
b
bk
bk
- greygr
gr
gr
Safety Float
Switch
Discharge Float
Switch
ON/OFF
Reset
Mains Input
(Permanent Live to 3,
Switched Live to 1)
r
bk
bk
bk
bk
r
br
br
y
b
1
N
2
3
br
1
N
2
3
y
X300
X900
X500
b
b
b