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3.6
Burner description
OIL PIPING VIEW
32
31
27
33
1
Lifting eyebolts
2
Fan
3
Fan motor
4
Air gate valve 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
21 QRI flame sensor
Technical description of the burner
9
36
28
25
27
20092554
11
GB
1
17
1
16
5
19
11
34
14
13
37
10
21
4
18
2
23
26
24
22 Air pressure test point "+"
23 Oil modulator and gas butterfly valve servomotor
24 Pump
25 Pump motor
26 Minimum oil pressure switch
27 Oil shut-off valve
28 Nozzle delivery pressure gauge
29 Nozzle return pressure gauge
30 Oil modulator
31 Strainer
32 Check valve
33 Security relief valve
34 Inlet exhaust gas flange
35 Speed sensor
36 Flue gas butterfly valve servomotor (supplied as equipment)
37 Air pressure test point "-"
The burner can be opened either on the right or left
sides, irrespective of the side from which fuel is sup-
plied. When the burner is closed, the hinge can be
re-positioned on the opposite side.
WARNING
12
15
7
6
8
20
30
29
22
3
35
Fig. 3
20102963
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