Potterton Promax SL range Installation & Service Instructions Manual page 38

gy
gy
Layout of PCB Pins
Fan
38
© Baxi Heating UK Ltd 2014
Flow
Thermistor
r
r
CH
Flow Switch
br
g
b
w
r
g/y
11.0 Electrical
11.2
Optional
Pump
Feed
N
L
y
b
br
g/y
b
y
br
b
br
br
Main
PCB
op
bk
bk
Illustrated Wiring Diagram
g/y
Spark
Electrode
Flame
Detection
Electrode
w
w
r
bk
bk
Wiring Key
b - Blue
bk - Black
br - Brown
r - Red
w - White
g/y - Green/Yellow
g - Green
gy - Grey
op - Opaque
y - Yellow
Condensate Trap
Gas Valve
Fan Overheat
Thermostat
Flow Overheat
Thermostat