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11.0 Electrical
35
© Baxi Heating UK Ltd 2011
Wiring Key
b- Blue
bk - Black
br - Brown
r- Red
w- White
g/y - Green/Yellow
g - Green
gy - Grey
op - Opaque
y - Yellow
11.2 Illustrated Wiring Diagram
Gas Valve
Fan
Condensate Trap
CH
Flow Switch
Flow
Thermistor
Spark
Electrode
Flame
Detection
Electrode
Main
PCB
N
P/L
S/L
r
r
gy
gy
b
br
g
w
Flow Overheat
Thermostat
Fan Overheat
Thermostat
bk
bk
bk
r
bk
w
w
op
g/y
g/y
b
Layout of PCB Pins
g/y
o
br
g/y
Electrical
Filter
br
g/y
b
r
w
b
br
gy
gy
g/y