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

3.12

Description of burner components

2
3
7
1
20172182
1 Box with terminal board for electrical wiring
2 Air box
3 Cover
4 Maximum gas pressure switch
5 Gas output regulator and gas train attachment flange
6 Boiler connection flange
7 Flame sensor
8 Air damper position indicator
3.13

Burner equipment

M18x70 screws to secure the burner to the boiler . . . . . . . No. 4
M16x50 screws to secure the gas flange . . . . . . . . . . . . . . No. 4
Gasket for gas train flange DN65 . . . . . . . . . . . . . . . . . . . . No. 1
Thermal insulation screen . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Washer Ø30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 4
Washer Ø34 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 4
Spare parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Technical instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Technical description of the burner
11
5
4
15
6
9
9 Gas servomotor
10 Air servomotor
11 Air adjustment lever of combustion head
12 Air duct connection flange
13 Air pressure switch
14 Flame inspection window
15 Combustion head
13 GB
10
13 8
14
12
Fig. 8
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