Main 12 HE A - Electrical

11.0 Electrical
36
© Baxi Heating UK Ltd 2014
11.1 Schematic Wiring Diagram
Key To Wiring Colours
b - Blue
bk - Black
w - White
br - Brown
gy - Grey
r- Red
g - Green
g/y- Green/Yellow
op - Opaque
y - Yellow
Gas
Valve
g
op
Spark
Electrode
g/y
bk
bk
bk
bk
r
w
w
Flame
Detection
Electrode
Condensate
Tr ap
Flow
Overheat
Thermostat
Fan
Overheat
Thermostat
g/y
r
b
r
r
Flow
Thermistor
325 Vdc
DC Fan
CH
Flow
Switch
gy
gy
w
g
br
PCB
Earths not shown to aid
clarity of diagram
g/y
b
y
L N Optional
Pump
Feed
br
g/y
br
b
op
op