Description Of Burner Components; Burner Equipment - Riello DB 12 SM C03 TC FS1 FB A0 Installation, Use And Maintenance Instructions

4.12

Description of burner components

3
6
13
1
16
1 Box with terminal board for electrical wiring
2 Air box
3 Cover
4 Maximum gas pressure switch
5 Gas output regulator
6 Photocell
7 Pilot burner gas train
8 Servomotor
9 Combustion head air pressure test point
10 Air adjustment cam
11 Air duct connection flange
4.13

Burner equipment

Gasket for gas train flange DN80 . . . . . . . . . . . . . . . . . . . . No. 1
Screws M16x50 for fixing the gas flange . . . . . . . . . . . . . . No. 8
Thermal insulation screen . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Screws M20x70 to fix the burner flange to the boiler . . . . . No. 4
Nut M16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 8
Washer D16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 8
Screws M12x16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 2
Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Spare parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Technical description of the burner
7
5
4
12
20
15
14
17
12 Air pressure switch
13 Flame inspection window
14 Combustion head
15 Boiler connection flange
16 Air damper position indicator
17 Shutter
18 Lever for moving the shutter
19 Lever for moving the air damper
20 Screws to lock the shutter during transportation (replace
them with the M12x16 screws supplied as standard)
13 GB
18
10
11 8
9
2
20119933
19
Fig. 8
20119882