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4.12
Electrical panel description
20069487
1
Electrical control box
2
ON/OFF selector
3
Output regulator
4
Earth terminal
5
Supply cables and external connections passage. See sec-
tion "Electrical wiring" on page 31
6
Bracket for applying the kits
7
Main terminal supply board
8
Relay with clean contacts for signalling the burner is in lock-
out
9
Relay with clean contacts for signalling the burner is operat-
ing
10 Auxiliary circuits fuse (includes a spare fuse)
11 Air pressure switch
12 Ignition transformer
13 Ionisation probe cable
14 Operator panel with LCD display
15 Light signalling burner lockout
16 Reset button
17 Direct start up line contactor
18 Star/triangle 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
23 Timer for star/triangle start up
Technical description of the burner
15
GB
Fig. 6
20068184
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