Electrical - Potterton Promax System HE Installation And Servicing Instructions

br
Ignition
PCB
br
Detection Electrode
w
bk
Condensate
Trap
Earth
Electrode
g/y
Spark
Electrode
Key To Wiring Colours
b - Blue r - Red
bk - Black g - Green
w - White
g/y- Green/Yellow
br - Brown y - Yellow
v - Violet
o - Orange
r
b
b br
b
Gas
Transformer
br br
Valve
g/y
g/y
S/L
N P/F
Mains Optional
Input Pump Feed

9.0 Electrical

9.1 Schematic Wiring Diagram
Control
PCB
bk bk
b bk w
r
DC
Dry Fire Fan
bk
Flow Switch
r
r
bk
Thermistor
Casing
Stat
br
b
bk
bk
N L
Pump
Overheat
Stat
g br o o o o o o o o
b
User PCB
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