20163413
12
GB
Technical description of the burner
4.11
Electrical panel description
1
Ignition transformer
2
Burner state indicator light and reset button. For further
information see section
3
OFF-automatic-manual selector
4
Electrical control box
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 external connections passage.
See section “Electrical wiring” on page 22.
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
Fig. 5
24
19
20
21
12
18
14
13
15
8
7
5
3
2
4
1
23
6
6
14
20156529
Fig. 6
6
6
17
10
6
11
16
9
20156519
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