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4.10
Burner description
14
11
A
41
10
8
40
32
9
33
34
35
31
1
Combustion head
2
Ignition electrode
3
Screw for combustion head adjustment
4
Maximum gas pressure switch
5
Pipe coupling
6
Gas servomotor
7
Plug-socket on ionisation probe cable
8
Lifting rings
9
Operation on/off switch
10 Terminal board for electrical wiring
11 Operator panel with LCD display
12 Control box for checking flame and air/fuel ratio
13 "K6" relay
14 Fuses of auxiliaries
15 Flame inspection window
16 Ignition transformer
17 Cable grommets for electrical wiring (to be carried out by the
installer)
18 Air servomotor
19 Minimum air pressure switch (differential operating type)
20 Slide bars for opening the burner and inspecting the com-
bustion head
21 Gas pressure test point and head fixing screw
22 Air pressure socket
23 Terminals for shielding of the inverter cables and O2 control
24 Air damper
25 Fan air inlet
26 Screws to secure fan to pipe coupling
27 Gas input pipe
28 Gas butterfly valve
29 Boiler fixing flange
30 Flame stability disk
31 "BURNER LOCK-OUT AND RESET" button
32 "EMERGENCY STOP" button
20155480
Technical description of the burner
5
8
20
12
39
23 8
40
3
1
21
2
15
29
22
6
26
18
17
24
25
20123743
33 Hole available
34 "POWER ON" indicator light
35 "FUEL ON" indicator light
36 "K3" relay
37 "K2" relay
38 Support rail for fuse holder and available for accessories
39 Transformer control box "T1"
40 Ground screws
41 Rpm sensor
42 Suppressor
14
GB
30
28
4
27
37 36
13
View from A
7
16
19
42
17
38
Fig. 5
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