16.0Electrical
16.1Illustrated Wiring Diagram
Water Pressure Switch
DHW NTC Sensor
g
g
Central Heating
NTC Sensor
Overheat Stat
Hall Effect
Sensor
rb
rb
r
w
b
b
b
Flue Sensor
|
| 1 |
|
|
| 4 |
|
|
| 2 |
|
br | b | 5 |
|
bk | g | 3 | Fan |
b
b
X400 |
|
|
|
9 8 7 6 5 4 | 3 2 1 | 10 9 8 7 6 5 4 | 3 2 1 |
X401
1
2
b
g/y
br
1 2 3
4
Timer
4 | bk |
Control PCB | br |
3 | |
2 | bk |
X501 | b |
1 | |
| X9 |
Flame
Sensing
Electrode
1 | 2 | 1 | 2 | 3 | 4 | 5 |
X1 | X2 |
b
br
br
b
b br
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
X3 
r bk
br b bk w
|
| br |
| r | |
b | |||||
|
|
|
| ||
|
|
|
|
|
br
Pump
b
w
Link
g/y b
br
Mains Input Cable
bk
br
b
L N | Spark |
Generator | |
b a | b |
| br |
g
w
Ignition
Electrode
bk
r
r
bk
DiverterValve
GasValve
br | - brown | g | - green |
bk | - black | g/y | - green / yellow |
b | - blue | r | - red |
w- white
52© Baxi Heating UK Ltd 2012
