Description Of Burner Components; Burner Equipment - Riello DB 4 LSM C13 Installation, Use And Maintenance Instructions

3.12

Description of burner components

3
14
7
1
20146723
1 Box with terminal board for electrical wiring
2 Air box
3 Cover
4 Maximum gas pressure switch
5 Gas output regulator
6 Oil return pressure switch
7 Flame sensor
8 Gas setting cam
9 Gas/oil servomotor
10 Combustion head air pressure test point
11 Air adjustment cam
12 Air duct connection flange
3.13

Burner equipment

Gasket for gas train flange DN65. . . . . . . . . . . . . . . . . . . . No. 1
M16 studs for fixing the gas flange . . . . . . . . . . . . . . . . . . No. 8
Thermal insulation screen . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Screws M16x50 to fix the burner flange
to the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 4
M16 Nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 8
Washer D.16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 8
M12x16 screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 2
Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Spare parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
20146011
Technical description of the burner
10
21
6
19
4
20
23
16
18
22
15
23
13 Air pressure switch
14 Flame inspection window
15 Combustion head
16 Boiler connection flange
17 Air damper position indicator
18 Oil delivery pressure gauge
19 Oil modulator
20 Oil pressure adjustment eccentric on return line
21 Lever for moving the shutter
22 Oil return pressure gauge
23 Screws to lock the shutter during transportation (replace
them with the M12x16 screws supplied as standard)
12 GB
8
11
10
5 17
2 9 12
13
Fig. 8