Potterton Promax HE Store Installation & Servicing Instructions Manual page 49

Cylinder
Thermistor
Water Pressure
Switch
g
g
b
b
X501
1 2
X1
Flame
r
Sensing
br
Electrode
b
Mains Input
o
br
b
Reset Selector Switch
g
br - brown
g/y
bk - black
r
b - blue
o
w - white
© Baxi Heating UK Ltd 2012
Flow
Thermistor
Overheat Stat
r
r
X400
9 8 7 6 5 4 3 2 1
Control PCB
1 2 3 4 5
X2
b
br
br
b
L
N
Link
g/y
b
br
br
b
r
- green
- green / yellow
- red
- orange
b
b
b
b
Flue Thermistor
X401
10 9 8 7 6 5 4 3 2 1
w
b
1 2 3 4 5 6 7 8 9
X3
r
o
br
b
br
b
br
bk
b
Spark
Generator
b
b
a
br
w
g
Ignition
Electrode
o
1
2
4
5
3
bk
2
1
br
g/y
g
b
b
br
br
o
b
o
Pump
br
bk
b
Gas Valve
Fan
Timer
br
b
Diverter Valve
Fig. 28
49