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4.11
Electrical panel description
22
24
19
1
Ignition transformer
2
Burner state indicator light and reset button. For further
information see section "Burner ignition" on page 23
3
OFF-automatic-manual selector
4
Flame control
5
Power increase - power reduction selector
6
Earth terminal
7
Air pressure switch
8
Bracket for applying the kits
9
Relay with clean contacts for signalling the burner
is operating
10 Relay with clean contacts for signalling the burner
is in lockout
11
Auxiliary circuits fuse (includes a spare fuse)
12 Timer for star/triangle start up
13 Main terminal supply board
14 Supply
cables
and
See section "Electrical wiring" on page 21
15 Motor cables sheath
16 Maximum gas pressure switch sheath
17 Servomotor sheath
18 Direct start up line contactor
19 Thermal relay (with reset button)
20 Triangle contactor (Star/triangle start up)
21 Star contactor (Star/triangle start up)
22 Auxiliary contacts (Star/triangle start up)
23 Ionisation probe cable
24 Star/triangle start-up line contactor
25 Suppressor
20160598
Technical description of the burner
12
23
6
6
21
20
external
connections
passage.
1
8
3
2
4
5
14
13
7
18
15
6
12
GB
14
11
6
10
9
6
20162523
16
17
Fig. 5
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