INST
ALLA
TION
MANUAL
6
2.3
Main parts of the boiler
8
10
11
9
1
2
3
4
6
5
7
12
19
21
22
20
13
14
15
16
17
18
Fig. 2.2
Fig. 2.1
Novella 24 - 31 RAI PV boilers
Key
1 Control panel
2 Temperature sensor sockets
3 Boiler body
4 Electronic ignition and flame detection unit
5 CH pump
6 Water circuit drain cock
7 Ignition electrode
8 Flame detection sensor
9 Burner
10 Gas supply solenoid valve
11 Lifting points
12 Expansion vessel
Novella 24 - 31 - 45 RAI boilers
Key
13 Control panel
14 Temperature sensor sockets
15 Boiler body
16 Electronic ignition and flame detection unit
17 Ignition electrode
18 Water circuit drain cock
19 Flame detection sensor
20 Burner
21 Gas supply solenoid valve
22 Lifting points
