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4.9
Burner description
ASSEMBLY VIEW
28
29
20110527
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
Flame stability disk
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 Shutter
16 Combustion head movement screw
17 Lever for controlling the dampers with graduated scale
18 Air pressure switch
19 Combustion head air pressure test point
20 Maximum gas pressure switch with pressure test point
21 Flame sensor probe
22 Hinge for opening the burner
23 Pressure test point for air pressure switch "+"
24 Gas train adapter
25 Indication for checking the rotation direction of the purging
motor
26 Flame inspection window
27 Provision for flame sensor kit
28 Reset button
29 Transparent protection
20107195
Technical description of the burner
9
18
1
26
22
1
17
13
11
5
12
24
16
15
19
27
20
10
23
4
14
3
25
To open the burner see section "Access to head
internal part" on page 23.
WARNING
12
GB
6
8
7
21
2
Fig. 4
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