Riello FS20 G.T. Installation, Use And Maintenance Instructions page 31

INDEX
1. BURNER DESCRIPTION . . . . . . . . . . .
1.1 Burner equipment . . . . . . . . . . . . . . . . .
2. TECHNICAL DATA . . . . . . . . . . . . . . . .
2.1 Technical data. . . . . . . . . . . . . . . . . . . .
2.2 Overall dimensions . . . . . . . . . . . . . . . .
2.3 Working field . . . . . . . . . . . . . . . . . . . . .
3. INSTALLATION . . . . . . . . . . . . . . . . . .
3.1 Boiler fixing . . . . . . . . . . . . . . . . . . . . . .
3.2 Probe-electrode positioning . . . . . . . . . .
3.3 Gas feeding line . . . . . . . . . . . . . . . . . .
3.4 Electrical wiring . . . . . . . . . . . . . . . . . . .
3.4.1 Standard electrical wiring . . . . . . . . . . .
3.4.2 Electrical wiring with gas leak control
device . . . . . . . . . . . . . . . . . . . . . . . . . .
1. BURNER DESCRIPTION
Gas burner with one stage working.

According to Directives: Electromagnetic Compatibility 89/336/EEC - 2004/108/EC, Low Voltage 73/23/EEC -
2006/95/EC and Machine 2006/42/EC.
 The burner is approved for intermittent operation as per Directive EN 676.
 The burner meets protection level of IP X0D (IP 40), EN 60529.
1 – Air damper
2 – Screws for fixing the air-damper
3 – 7 pole socket for electrical supply
and control
4 – 6 pole socket for gas train
5 – Cable grommet
6 – Screw for fixing the cover
7 – Air pressure switch
8 – Control box
9 – Reset button with lock-out lamp
NOTES:
– The cable grommet (5) 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 (6, fig. 1) supplied as equipment.
1.1 BURNER EQUIPMENT
Insulating gasket . . . . . . . . . . . No. 1
Cable grommet . . . . . . . . . . . . No. 1
Hinge . . . . . . . . . . . . . . . . . . . . No. 1
20027968
1 4. WORKING . . . . . . . . . . . . . . . . . . . . . . .
1 4.1 Combustion adjustment. . . . . . . . . . . . . .
4.2 Combustion head setting. . . . . . . . . . . . .
2
4.3 Air damper setting . . . . . . . . . . . . . . . . . .
2
4.4 Combustion check. . . . . . . . . . . . . . . . . .
2
4.5 Air pressure switch . . . . . . . . . . . . . . . . .
2
4.6 Burner start-up cycle . . . . . . . . . . . . . . . .
4.7 Start-up cycle diagnostics . . . . . . . . . . . .
3
4.8 Resetting the control box and using
3
diagnostics . . . . . . . . . . . . . . . . . . . . . . .
4
5. WARNINGS
4
to avoid burnout or bad combustion
5
of the burner . . . . . . . . . . . . . . . . . . . . . . 10
5
6. MAINTENANCE . . . . . . . . . . . . . . . . . . . 10
6
7. FAULTS / SOLUTIONS . . . . . . . . . . . . . . 11
9
8
7
6 5 4
Screws and nuts for flange to be fixed to boiler . . . . No. 4
Screws for fixing the cover . . . . . . . . . . . . . . . . . . . No. 3
7 pin plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . No. 1
1
GB
Fig. 1
D4183
3
6
6
6
7
7
7
8
8
9
1
2
2