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3.11
Electrical panel description
10
7
4
6
16
15
1
Flame control
2
0/AUTO selector
3
Safety button
4
Earth terminal
5
Supply cables and external connections passage. See sec-
tion "Electrical wiring" on page 27
6
Light signalling "POWER ON"
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
11 Air pressure switch
12 Ignition transformer
13 Ionisation probe cable
14 Operator panel with LCD display
15 Light signalling burner lockout and reset button
16 Light signalling "OVERLOAD FAN MOTOR"
17 Line contactor for direct start
18 Thermal relay (with RESET button)
19 Flame control power supply
20 Triangle contactor (Star/triangle start-up)
21 Star contactor (Star/triangle start-up)
22 Auxiliary contacts
23 Star/triangle starter timer
20205906
Technical description of the burner
11
1
4
21
4
5
22
13
4
20
4
5
17
23
18
9
8
12
GB
12
14
2
3
19
20206608
Fig. 5
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