11
20148049
GB
Technical description of the burner
4.11
Burner description
1
Flame stability disc
2
Ignition electrodes
3
Combustion head
4
Gas pressure test point and head fixing screw
5
Screws to secure fan to pipe coupling
6
Pump motor
7
Pump
8
Slide bars for opening the burner and inspecting the
combustion head
9
Electrical control box with lockout pilot light and reset button
10 Air damper
11 Air inlet to fan
12 Gas input pipe
13 Air pressure test point
14 Screw for combustion head adjustment
15 Pipe coupling with flange for fixing to the boiler and the gas
butterfly valve
16 Maximum gas pressure switch
17 Safety valve
18 Servomotor controlling the gas butterfly valve and the air
damper, by means of a variable profile cam mechanism.
When the burner is not operating the air damper is fully
closed in order to reduce heat dispersion from the boiler due
to the flue draught, which draws air from the fan suction
inlet.
19 Fan motor
20 Extensions for slide bars 8)
21 1st and 2nd stage valves
22 Air pressure test point
23 Flame inspection window
4.12
Burner equipment
Flange for gas train . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Seal for flange . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Screws M10x40 to fix the gas flange . . . . . . . . . . . . . . . . . No. 4
Thermal flange gasket . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Screws M16x40 to fix the burner flange to the boiler . . . . . No. 4
Flexible hoses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 2
Fittings for flexible hoses . . . . . . . . . . . . . . . . . . . . . . . . . . No. 2
Seals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 2
Extensions for slide bars. . . . . . . . . . . . . . . . . . . . . . . . . . . No. 2
Spare parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Fig. 6
20159592
