27.08.2018
13 / 136
EVO S -
Installation and Servicing
3.2. Boiler components
figure 2 -
Boiler components for EVO S 50 model
U0561578-#
1
Gas valve
2
Fan
3
Ionisation electrode
4
Ignition electrode
5
Ignition transformer
6
Fume temperature sensor
7
Bleed valve
8
Water return temperature sensor
9
Flowmeter
10
Water outlet temperature sensor
11
Pressure sensor
12
Anti-return flap
13
Condensate siphon (supplied unmounted)
14
User interface control panel
15
NAVISTEM B3000 unit
16
Air pressure switch
17
Safety thermostat
4
5
16
1
8
7
6
3
17
15
14
13
12
11
9
10
2
view without
NAVISTEM B3000