Electrical - Baxi Megaflo System 15 HE Installation And Servicing Instructions

Gas fired wall mounted condensing boiler
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Return Heating
Water Pressure
Temperature Sensor
Switch
b
b
X1
Flame
Sensing
Electrode
Link
g/y
b
br
Boiler 'Flying Lead'
46
© Baxi Heating UK Ltd 2007
Central Heating
NTC Sensor
r
r
w
b
g
g
X400
9 8 7 6 5 4 3 2 1
Control PCB
X501
1
2
1
2
3
4
X2
b
br
br
b
b
bk
br
b
g
- green
br
- brown
g/y
- green / yellow
bk
- black
r
- red
b
- blue
w
- white
b
b
Overheat Stat
b
b
Flue Sensor
X401
10
9
8 7 6 5 4 3 2 1
5
1
2
3
4
5
6
7
8
9
X3
r
bk
br
b
br
b
br
Spark
L
Generator
N
b
b
a
br
g
w
Ignition
Electrode
bk
r

16.0 Electrical

16.1
Illustrated Wiring Diagram
1
4
2
br
5
b
g
bk
3
b
g/y
br
Gas Valve
Fan
1
2
br
Pump
b

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