4.10
Electrical panel description
14
10
13
4
20122512
1
Clean contact relay
2
Electronic control box
3
Ignition transformer
4
Stop push-button
5
Off-automatic selector
6
Display
7
Light signalling of mains live state
8
Fan motor lockout warning lamp
9
Light signalling burner lockout
10 Rpm sensor terminal board
11 Selectors for Service
12 Flame sensor plug/sensor socket
13 Main terminal supply board
14 Air pressure switch
15 Supply cables, external connections and kits
4.11
Burner equipment
Gasket for gas train flange . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Thermal insulation screen . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
M12x25 screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 2
M16x70 screws to fix the gas flange . . . . . . . . . . . . . . . . . No. 8
M20x70 screws to fix the burner flange
to the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 4
Pressure switch (for leak detection control) . . . . . . . . . . . . . . . . 1
Cable grommets kit for optional electrical wiring input . . . . No. 1
Instruction booklet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
Spare parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
20123781
Technical description of the burner
18
17
12
7
9
8
5
6
12
19
11
2
15
16 Auxiliary circuits fuse
17 Air servomotor plug/socket
18 Air servomotor plug/socket
19 Filter
NOTE
Two types of burner failure may occur:
Control box lockout: switching on of button 13)(Fig. 5) (red
led) signals that the burner is in lockout. Release by press-
ing the push-button on the display 6)(Fig. 5).
Motor lockout: see inverter manual
GB
1
16
3
Fig. 5