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4.10
Electrical panel description
1
Terminal board for kits
2
Clean contacts relay
3
Electronic cam transformer
4
Electronic control box
5
Ignition transformer
6
Shielding terminals
7
Stop 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 Light signalling of burner lockout and reset switch
14 Call for heat signal
15 Fan motor contactor and thermal relay, star-triangle starter
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
Pressure switch (for leak detection control) . . . . . . . . . . . . No. 1
Technical instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Spare parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
20061994
Technical description of the burner
20062901
12
GB
16 Timer
17 Flame sensor plug/sensor socket
18 Main terminal supply board
19 Air pressure switch
20 Supply cables, external connections and kits
21 Auxiliary circuits fuse
22 Plug/socket servomotor
NOTE
Two types of burner lockout may occur:
➤ Control box lockout: if the pushbutton 13)(Fig. 5) (red led)
lights up, it indicates that the burner is in lockout. release by
pressing the pushbutton 13)(Fig. 5).
➤ Motor lockout: release by pressing the button on the rele-
vant thermal relay.
Fig. 5
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