Technical data

13.0 Illustrated Wiring Diagram
36
Optional Timers
Pump
Gas Valve
Air Pressure
Switch
Safety Thermostat
Hydraulic Differential
Pressure Switch
Temperature Sensor
On/Off/Reset
Selector Switch
Fan
Control PCB
Flame
Sensing
Electrode
Igniter
3-Way Valve
Microswitch
M2
M5
M4
M1
M3
FA2
15
16
14
13
12
20
19
18
17
11
10
26
25
24
23
22
21
9
7
6
5
4
3
2
1
8
br - brown
bk - black
b - blue
r - red
y - yellow
g/y - green / yellow
w - white
gr - grey
Mains Input
Fuse
Link
g/y
g/y
b
br
b
b
b
b
br
br
br
br
r
bk
gr
br
br
bk
br
b
br
r
r
r
r
b
b
b
y
w
b
1
bk
bk
bk
b
bk
bk
br
2
3
4