49
16.0 Electrical
© Baxi Heating UK Ltd 2014
- brown
- black
- blue
- white
br
bk
b
w
- green
- green / yellow
- red
g
g/y
r
Control PCB
X2
X3
X501
1
2
1
2
3
3
4
4
5
5
6
7
8
9
X1
1
2
Central Heating
NTC
S
en
s
or
Fan
G
a
s
Valve
Overheat
S
tat
Flame
S
en
s
ing
Electrode
Pump
Flue
S
en
s
or
X401
r
r
b
b
b
b
b
br
b
k
g
b
br
g/y
b
br
b
br
br
b
b
b
br
br
br
b
b
br
r
b
k
r
b
k
S
par
k
G
enerator
Ignition
Electrode
9
10
8 7 6 5 4 3 2 1
N
L
w
g or w
1
4
2
5
3
1
2
a
b
Lin
k
b
k
b
g/y
br
Main
s
Input Cable
br
b
X9
Return Heating
Temperature
S
en
s
or
X400
g
g
b
b
Water Pre
ss
ure
S
witch
9 8 7 6 5 4 3 2 1
b
w
16.1
Illustrated Wiring Diagram