Table Of Contents; Burner Description; Burner Equipment - Riello GS20 Installation, Use And Maintenance Instructions

INDEX
1. BURNER DESCRIPTION . . . . . . . . . . .
1.1 Burner equipment . . . . . . . . . . . . . . . . .
2. TECHNICAL DATA . . . . . . . . . . . . . . . .
2.1 Technical data . . . . . . . . . . . . . . . . . . . .
2.2 Overall dimensions . . . . . . . . . . . . . . . .
2.3 Working field . . . . . . . . . . . . . . . . . . . . .
2.4 Correlation between gas pressure and
burner output . . . . . . . . . . . . . . . . . . . .
3. INSTALLATION . . . . . . . . . . . . . . . . . .
3.1 Boiler fixing . . . . . . . . . . . . . . . . . . . . . .
3.2 Probe-electrode positioning. . . . . . . . . .
3.3 Gas feeding line . . . . . . . . . . . . . . . . . .
3.4 Electrical wiring . . . . . . . . . . . . . . . . . . .
3.5 Fixing the electrical wiring . . . . . . . . . . .
1.

BURNER DESCRIPTION

Gas burner with one stage working.
❱ The burner meets protection level of IP X0D (IP 40), EN 60529.
❱
The burner is approved for intermittent operation as per Directive EN 676.
1 - Air-damper
2 - Screws for fixing the air-damper
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
NOTES:
- Gas train can be installed on the right or on the left of the burner.
- The cable grommet (4) and the screw for fixing the cover (5) supplied with the burner, must be fitted to
the same side of the gas train.

1.1 BURNER EQUIPMENT

Insulating gasket . . . . . . . . . . . . . No. 1
Cable grommet . . . . . . . . . . . . . . No. 1
Hinge . . . . . . . . . . . . . . . . . . . . . . No. 1
2754
1 4. WORKING . . . . . . . . . . . . . . . . . . . . . . .
1 4.1 Combustion head setting . . . . . . . . . . . .
4.2 Air damper setting . . . . . . . . . . . . . . . . .
2
4.3 Combustion check . . . . . . . . . . . . . . . . .
2
4.4 Burner start-up cycle . . . . . . . . . . . . . . .
2
4.5 Start-up cycle diagnostics. . . . . . . . . . . .
2
4.6 Resetting the control box and using
diagnostics . . . . . . . . . . . . . . . . . . . . . . .
3
5. MAINTENANCE . . . . . . . . . . . . . . . . . . .
3
6. FAULTS / SOLUTIONS . . . . . . . . . . . . . 10
3
4
4
5
6
9
8
7
6
5 4
Screws and nuts for flange to be fixed to boiler . . No. 4
Screw for fixing the cover . . . . . . . . . . . . . . . . . . . No. 1
Pipe fitting for gas train . . . . . . . . . . . . . . . . . . . . No. 1
1 GB
Fig. 1
D4178
3
6
6
6
7
7
7
8
9
1
2
2