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4.9
Burner description
1
Flame inspection window
2
Lifting rings
3
Slide bars for opening the burner and inspecting the com-
bustion head (see note)
4
Combustion head (two lengths)
5
Closed air damper in stand-by to reduce heat losses
6
Air pressure switch
7
Gas butterfly valve control rod
8
Control box with lockout pilot light and reset button
9
Combustion head control rod
10 Air-gas control servomotor
11 Air adjustment cam
12 Pipe coupling gas pressure test point
13 Maximum gas pressure switch
14 Butterfly valve (gas input pipe)
15 MIN output gas adjustment disk
16 Pipe coupling
17 Fan pressure test point
18 Fan motor
20148758
Technical description of the burner
7
2
1
8
5
18
10
3
16
17
15 14
9
6
11
12
13
12
GB
4
20194412
Fig. 6
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