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4.10
Electrical panel description
20
1
Main terminal supply board
2
Clean contacts output relay
3
Ignition transformer
4
Stop push-button
5
OFF-automatic-manual selector
6
Power increase - power reduction selector
7
Light signalling of motor - fan thermal relay operation
8
Light signalling of burner lockout and reset switch
9
Electrical control box
10 Timer
11 Air pressure switch
12 Fan motor contactor and thermal relay, star-triangle starter
13 Supply cables, external connections and kits
14 Terminal board for kit RWF
15 Auxiliary circuits fuse
4.11
Burner equipment
Gasket for gas train flange . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Thermal insulation screen . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Screws M12x25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 2
Gas flange fixing screws M16x70 . . . . . . . . . . . . . . . . . . . No. 8
Screws M20x70 to secure the burner flange to the boiler . . No. 4
Cable grommets kit for optional electrical wiring input . . . . No. 1
Instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Spare parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
20145860
Technical description of the burner
1
11
16
13
20156495
13
14
9
4
5
6
8
19
18
17
16 Plug/socket servomotor
17 Light signalling of main fuel valve open
18 Heat request light signalling
19 Light signalling of mains live state
20 Flame sensor plug/sensor socket
NOTE
Two types of burner lockout may occur:
Control box lockout: if the pushbutton (red led) of the con-
trol box 9)(Fig. 5) and the pushbutton with light 8) light up,
this indicates that the burner is in lockout.
Release by pressing the pushbutton 8).
Motors lockout: release by pressing the button on the rele-
vant thermal relay.
12
GB
10
12
3
15
2
7
Fig. 5
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