Illustrated Wiring Diagram - Baxi Maxflow Combi WM Installation And Servicing Instructions

br
Optional
b
Timers
bk
bk
1 2
3
4
Differential Water
Flow Switch
M5
bk
16
bk
17
24
r
25
r
26
27
28
b
29
b
30
Overheat
M7
Thermostat
M9
44 37
Pump
br
b
b
br
3 4
1
8
2
9
M1
10
11
12
13
14
br
15
23 22 21 20
M4
M6
r
g
bk
w
b
br
bk
bk
Main PCB
49 50 51 52
M11
g
Gas Valve
g
H/W Storage
r
Sensor
Primary Sensor
b
br
bk
g/y

12.0 Illustrated Wiring Diagram

Brown
Diverter Valve
Mains
Brown
Suppressor
br
br
b
b
Flame
Sensing
M3
Electrode
7
6
5
b
M5 M4
19
18
w
w
r
14
g 13
12
M3
bk
11
w
10
b
9
br 8
7
45
5
46
4
3
47
2
1
48
M1
r
br - brown
bk - black
b - blue
r - red
y - yellow
Blue
g - green
g/y - green / yellow
w - white
Mains
Blue
Link
Green/Yellow
bk
g/y
b
br
Relay PCB
bk b
4 5 6 7 8
M1
1 2 3
r
20
21
w
w
22 bk
Ignition PCB Neon PCB
br
19
b
18
br
17
bk
16
15 b
M2
Air
Pressure
Switch
Fan
g/y
b
br
Mains Input
2 1
3
Reset
w
Switch
37