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3.8
Burner description
A
13
41
11
51
10
9
42
24
27
32
40
33
34
14
1
Combustion head
2
Burner pilot
3
Screw for combustion head adjustment
4
Maximum gas pressure switch
5
Burner pilot attachment
6
Gas actuator
7
Ignition electrode
8
"KMV" relay
9
Lifting ring
10 Burner terminal board for electrical wiring "X1"
11 Operator panel with LCD display
12 Control box for checking flame and air/fuel ratio
13 Auxiliary fuse
14 "CALL FOR HEAT" signal
15 Flame sensor
16 Ignition transformer "TA"
17 Holes for cable grommets for electrical wiring for accesso-
ries(to be carried out by the installer)
18 Air actuator
19 Air pressure switch
20 Sliding bars for opening the burner and inspecting the com-
bustion head
21 Gas pressure test point and head fixing screw
22 Combustion head air pressure test point
23 Extension sliding bars
24 "OFF - ON" switch
25 Fan air inlet
26 Screws to secure fan to pipe coupling
27 "LOCAL- REMOTE" switch
28 Gas butterfly valve
29 Boiler fixing flange
Technical description of the burner
9
5
20
38
12
35 40 36
52
23 42
3
1
21
7
2
29
22
6
26
18
17
19
9
25
20097557
45 46
30 Flame stability disc
31 Horn
32 "ALARM SILENCE" button
33 "POWER ON" signal
34 "IGNITION ON" signal
35 "FUEL ON" signal
36 "ALARM ON" signal
37 RWF 55 modulator (with analog output 4-20 mA)
38 Hight voltage lead
39 Din bar for "K7" relay and available for accessories
40 Optional holes
41 Din bar for fuse holder, step-down transformer and OCI
412.10 (available)
42 Ground terminals
43 Din bar for "KMV" relay and available for accessories
44 Fan motor
45 "K1" relay
46 "K5" relay
47 "K3" relay
48 "K2" relay
49 Gas train flange
50 Air pressure switch test point
51 Variable speed sensor
52 Clamp for shielding of connection cable with inverter
53 "K7" relay
One type of burner failure may occur:
Flame safeguard lock-out
If the flame safeguard alarm 36)(Fig. 3) lights up, it indicates that
the burner is in lock-out. To reset, press the reset pushbutton.
9
GB
30
28
View from A
4
49
44
47 48
37 31
15
16
43
8
17
53
39
Fig. 3
20094575
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