4.10
Burner description
13
6
1
Lifting rings
2
Fan
3
Fan motor
4
Air damper servomotor
5
Ignition pilot burner
6
Combustion head
7
Combustion head gas pressure test point of the maximum
gas pressure switch
8
Flame stability disk
9
Electrical panel casing
10 Hinge for opening the burner
11 Fan air inlet
12 Pipe coupling
13 Gasket for boiler fixing
14 Gas regulator
15 Shutter
16 Combustion head movement servomotor
Technical description of the burner
12
4
9
11
17
24
21
10
2
16
19
5
7
23
14
25
22
18
20
3
17 Air damper movement levers
18 Minimum air pressure switch (differential operating type)
19 Combustion head air pressure test point
20 Rpm sensor
21 QRI cell
22 Pressure test point for air pressure switch "+"
23 Gas butterfly valve servomotor
24 Screws to lock the shutter during transportation (replace
them with the M12x16 screws supplied as standard)
25 Pilot gas train
The burner can be opened to the right or to the left
without links to the fuel supply side.
When the burner is closed, the hinge can be refit-
CAUTION
ted on the opposite side.
11
GB
15
8
1
20094547
Fig. 5
20089633