Illustrated Wiring Diagram - Baxi Main Combi 24 HE Installation And Service Instructions Manual

Mains Input
bk
g/y
bk
b
1
bk
2 3
4
br
bk
Optional Timers
Gas Valve
3-Way Valve
Microswitch
g/y
g/y
Condensate
Trap
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g/y
b
br
Fuse
br
b
b
8
b
9
br
10
bk
11
br
17 12
b
18 13
19 14
20
15
M3
16
M1
35
bk
bk
36
br
37
b
38
39
M4
FA2
Flame
Sensing
Electrode
br - brown
bk - black
b - blue
r - red
y - yellow
g/y - green / yellow
w - white
gr - grey
Pump
br
r
Control PCB
bk
bk
32
b
31
30
b
29
br
28
br
27
M5

15.0 Illustrated Wiring Diagram

r
1
r
2
r
3
r
4
b
5
6
b
7
M2
M7
44
43
42
Fan
On/Off/Reset
Selector Switch
Temperature Sensor
Hydraulic Differential
Pressure Switch
Flue Thermostat
Safety Thermostat
Air Pressure
Switch
47