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4.9
Burner description
9
11
D9242
1
Lifting eyebolts
2
Fan
3
Fan motor
4
Servomotor
5
Gas pressure test point
6
Combustion head
7
Ignition pilot
8
Flame stability disk
9
Electric panel board - cover
10 Hinge for opening burner
11 Air inlet to fan
12 Manifold
13 Thermal insulation screen for securing burner to boiler
14 Gas train flange
15 Shutter
16 Lever for movement of combustion head
17 Gears for movement of air damper
18 Air pressure switch
(differential operating type)
19 Air pressure test point
20 Maximum gas pressure switch with pressure test point
Technical description of the burner
17
1
1
10
31
29
25
30
20
5
13
12
21
4
16
19
6
15
27
26
28
14
23
18
22
3
2
21 QRI cell
22 Air pressure test point pressure test point "+"
23 Pump
24 Pump motor
25 Minimum oil pressure switch
26 Maximum oil pressure switch
27 Pressure gauge for pressure on nozzle return
28 Nozzle delivery pressure gauge
29 Oil modulator
30 Pressure gauge attachment
31 Pilot gas train
CAUTION
11
GB
7
8
The burner can be opened either on the right or
left sides, irrespective of the side from which fuel
is supplied.
When the burner is closed, the hinge can be re-
positioned on the opposite side.
24
Fig. 4
20010305
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