11.0 Electrical
34
© Baxi Heating UK Ltd 2011
11.1 Schematic Wiring Diagram
Key To Wiring Colours
b- Blue
bk - Black
w- White
br - Brown
gy - Grey
o - Orange
r- Red
g - Green
g/y- Green/Yellow
op - Opaque
y - Yellow
v - Violet
Gas
Valve
g/y
op
Spark
Electrode
bk
bk
bk
bk
r
w
w
Flame
Detection
Electrode
Condensate
Trap
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
Electrical
Filter
CH Out
DHW Out
DHW Off
Out
Permanent Live
Neutral
Earth
Switched Live
Optional Internal Timer
br
b
g/y
br
b
y
v
o
Condensate Pump
Condensate
Over-Level Switch
Condensate
Level Switch
LN
gy
gy
br
b
w
Condensate Removal System
o
S/L
N
P/L
Fuse 3.15 AT
Boiler Connection
(4 Core Cable)