Potterton Promax 15 HE Installation And Servicing Instructions page 24

Sensing
Electrode
w
Condensate
w
Trap
g/y
Earth
24
Supplied By www.heating spares.co Tel. 0161 620 6677
Flow Switch
Fan
bk
bk
br
r
Ignition
PCB
b
br
bk Gas
Valve
Spark and
Earth Electrode
b
9.0 Electrical
9.2
r
w
g
b
Control
PCB
b bk
br bk
br
br
b
Mains
Input
g/y
g/y
Earth
Illustrated Wiring Diagram
On/Off
Switch
br
r g b
w br
w
v
bk
r
r
bk
bk
Transformer
Wiring Key
b - Blue
bk - Black
br - Brown
r - Red
w - White
g/y - Green/Yellow
v - Violet
y - Yellow
o - Orange
w v
Flow
Temperature
Thermistor
Fan Protection
Thermostat
Safety
Thermostat