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4.7
Burner description
29
28
20122708
1
Lifting rings
2
Fan
3
Fan motor
4
Air damper servomotor
5
Combustion head gas pressure test point
6
Combustion head
7
Ignition electrode
8
Filter cover
9
Electrical panel casing
10 Gas butterfly valve servomotor
11 Fan air inlet
12 Pipe coupling
13 Gasket for boiler fixing
14 Gas butterfly valve
15 Filter
16 Filter pressure switch
17 Lever for controlling the dampers with graduated scale
18 Air pressure switch
19 Pilot gas train
20 Maximum gas pressure switch with pressure test point
21 Flame sensor
22 Hinge for opening the burner
23 Pressure test point for air pressure switch "+"
24 Combustion head pressure test points
25 Gas train adapter
26 Indication for checking the rotation direction of the purging
motor
27 Fixing flange with insulating panel
28 Transparent protection
29 Reset button
Technical description of the burner
9
1
18
16
17
8
11
15
19
12
14
4
20
21
27
5
7
10
13
The burner can be opened to the right or to the left
without links to the fuel supply side.
To open the burner see section "Access to head
internal part" on page 25.
ATTENTION
11
GB
6
22
24
25
26
23
2
3
Fig. 4
20152087
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