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4.11
Electrical panel description
14
2
7
4
VIEW FROM A
1
Electrical control box
2
ON/OFF selector
3
Output power regulator module (LCM100)
4
Earth terminal
5
Supply cables and external connections passage. See sec-
tion "Electrical wiring" on page 30
6
Fuel management module (DFM300)
7
Main terminal supply board
8
Relay with clean contacts for signalling the burner is in lock-
out and that the burner is operating
9
Available
10 Auxiliary circuits fuse (includes a spare fuse)
11 Air pressure switch
12 Ignition transformer (oil operation)
13 Valve group terminal board
14 Operator panel with LCD display
15 Ignition transformer (gas operation)
16 Auxiliary contracts
17 Thermal relay (with RESET button)
18 Pump motor thermal relay (with RESET button)
20171988
Technical description of the burner
11
1
4
4
5
12
4
15
4
5
36
37
16
17
20158207
19 Pump motor contact maker
20 Change of fuel selector
21 Fan motor cables sheath
22 Flame sensor sheath
23 Fuel servomotor cable
24 Maximum gas pressure switch sheath
25 Air servomotor sheath
26 Safety valve sheath (VS1)
27 Return line valve sheath (VR)
28 Working valve sheath (VF)
29 Safety valve sheath (VS)
30 Minimum oil pressure switch sheath
31 Maximum oil pressure switch sheath
32 Pump motor cables sheath
33 Fuel gases servomotor cable
34 Star-powered/delta -powered starter timer
35 Star/triangle starter line contactor
36 Starter/delta contactor (Star-powered/delta-powered)
37 Triangle contactor (Star-powered/delta-powered)
GB
12
20175027
20
35
34
A
Fig. 5
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