Installation manual

28
5.9 Wiring diagram
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Legend
1 Overheat thermostat
2 Fan
3 Gas valve
4 Heating return thermistor
5 Heating flow thermistor
6 Water pressure sensor
7 Water flow sensor
8 DHW pump
9 Heating pump
10 Main board
11 User interface
12 Main reset switch
13 Chassis earth
14 Fuse
15 Three way valve
16 Ignition module
17 DHW temperature sensor
18 Ignition and controle electrode