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4.11
Electrical panel description
20
19
22
17
1
Supply cables, external connections and kits
2
Volt-free contacts output relay
3
Electronic cam transformer
4
Electronic control box
5
Ignition transformer
6
Shielding terminals
7
Stop/emergency push-button
8
Off-automatic selector
9
Light signalling of main fuel valve open
10 AZL display
11 Light signalling of mains live state
12 Fan motor lockout warning lamp
13 Burner lockout warning lamp and reset switch
14 Heat request signal
15 Servomotors axillary transformer fuses
16 Auxiliary circuits fuse
4.12
Burner equipment
Gasket for gas train flange . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Thermal insulation screen . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
M12x16 screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 2
M16 nuts to fix the gas flange . . . . . . . . . . . . . . . . . . . . . . No. 8
M20x70 screws to fix the burner flange
to the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 4
Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Spare parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
20089387
Technical description of the burner
23
18
21
20097200
6
16
15
2
4
7
13
8
1
10
11
9
14
17 Flame sensor plug/sensor socket
18 Main terminal supply board
19 Air pressure switch
20 Kit terminal board
21 Timer
22 Servomotor Plug/ socket
23 Fan motor contactor and thermal relay, star-triangle starter
NOTE
Two types of burner failure may occur:
Control box lockout: switching on of button 13)(Fig. 6) (red
led) signals that the burner is in lockout. release by pressing
the pushbutton 13)(Fig. 6).
Motor lockout: release by pressing the button on the rele-
vant thermal relay.
12
GB
3
2
1
12
5
Fig. 6
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