Installation manual

Installation and servicing instructions strictly reserved for qualified gas installers
27
Legend
1 Ignition module
2 Ignition and control electrode
3 Heating return thermistor
4 Overheat thermostat
5 Pump
6 Main board
7 User interface
8 On/Off switch
9 Fuse
10 Water flow sensor
11 Three way valve
12 Water pressure sensor
13 Heating flow thermistor
14 Gas valve
15 Fan
16 Thermal fuse