2748
1
GB
INDEX
1.
BURNER DESCRIPTION
Gas burner with two stage working.
1.1
BURNER EQUIPMENT
Insulating gasket . . . . . . . . . . . . . No. 1
Screws and nuts for flange to be fixed to boiler. . . No. 4
Cable grommet . . . . . . . . . . . . . . No. 1
Screw for fixing the cover . . . . . . . . . . . . . . . . . . . No. 3
Hinge . . . . . . . . . . . . . . . . . . . . . . No. 1
1.
BURNER DESCRIPTION . . . . . . . . . . . .
1
1.1
Burner equipment . . . . . . . . . . . . . . . . .
1
2.
TECHNICAL DATA . . . . . . . . . . . . . . . .
2
2.1
Technical data . . . . . . . . . . . . . . . . . . . .
2
2.2
Overall dimensions. . . . . . . . . . . . . . . . .
2
2.3
Working field . . . . . . . . . . . . . . . . . . . . .
2
3.
INSTALLATION . . . . . . . . . . . . . . . . . . .
3
3.1
Boiler fixing . . . . . . . . . . . . . . . . . . . . . .
3
3.2
Probe-electrode positioning . . . . . . . . . .
4
3.3
Gas feeding line . . . . . . . . . . . . . . . . . . .
4
3.4
Electrical wiring . . . . . . . . . . . . . . . . . . .
5
3.5
Fixing the electrical wiring . . . . . . . . . . .
6
4.
WORKING . . . . . . . . . . . . . . . . . . . . . . .
6
4.1
Combustion adjustment. . . . . . . . . . . . . .
6
4.2
Combustion head setting. . . . . . . . . . . . .
6
4.3
Setting of the air damper actuator . . . . . .
7
4.4
Combustion check . . . . . . . . . . . . . . . . . .
7
4.5
Air pressure switch . . . . . . . . . . . . . . . . .
8
4.6
Burner start-up cycle . . . . . . . . . . . . . . . .
8
4.7
Start-up cycle diagnostics . . . . . . . . . . . .
8
4.8
Operating fault diagnostics . . . . . . . . . . .
9
5.
WARNINGS
to avoid burnout or bad combustion of the
burner . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
6.
MAINTENANCE . . . . . . . . . . . . . . . . . . . 10
7.
FAULTS / SOLUTIONS . . . . . . . . . . . . . . 11
1 – Air damper actuator
2 – Air dampers
3 – Cable clamps
4 – Cable grommet
5 – Screw for fixing the cover
6 – Air pressure switch
7 – Terminal board
8 – Control box
9 – Reset button with lock-out lamp
■
CE marking according to Gas Appliance directive 90/396/EEC; PIN 0063AP6680.
According to directives: EMC 89/336/EEC, Low Voltage 73/23/EEC, Machines 98/37/EEC and
Efficiency 92/42/EEC.
■
Gas train according to EN 676.
Fig. 1
D4158
5
4
3
2
1
9
8
7
6
NOTES:
– The cable grommet (4) supplied with the burner, must be fitted to the same side of the gas train.
– After having installed the burner verify the access to the fixing screws of the cover.
If necessary replace them with the fixing screws (5, fig. 1) supplied as equipment.
