Working; Combustion Adjustment; Recommended Nozzles - Riello Burners Gulliver RG1R Mode D'emploi

4.

WORKING

4.1 COMBUSTION ADJUSTMENT

In conformity with Efficiency Directive 92/42/EEC the application of the burner on the boiler, adjustment and
testing must be carried out observing the instruction manual of the boiler, including verification of the CO and
CO concentration in the flue gases, their temperatures and the average temperature of the water in the boiler.
2
To suit the required appliance output, choose the proper nozzle and adjust the pump pressure, the setting of
the combustion head, and the air damper opening in accordance with the following schedule.
The values shown in the table are measured on a CEN boiler (as per EN 267).
They refer to 12.5% CO 2 at sea level and with light oil and room temperature of 20 °C.
Nozzle
GPH Angle
0.50 80°/60°
0.60 60°
0.65 60°
0.75 60°
0.85 60°
1.00 60°
1.10 60°/45°
1.25 60°/45°

4.2 RECOMMENDED NOZZLES:

MAINTENANCE POSITION
THE ACCESSIBILITY TO THE NOZZLE, THE DIFFU-
SER DISC AND THE ELECTRODES IS MADE EASY
IN 2 WAYS:
A
Fig. 10
Remove the burner out of the boiler, after loosing the fix-
ing nut to the flange.
Hook the burner to the flange (1), by removing the blast
tube (2) after loosing the fixing screws (3).
Remove the small cables (4) from the electrodes and
the diffuser disc-holder assembly (5) from the nozzle-
holder assembly after loosing its fixing screw (3, fig. 12,
page 7).
Screw the nozzle (6) correctly and tighten it as
shown in the figure.
2304
Pump Burner
pressure output
bar kg/h ± 4%
9.5 1.7
12 2.3
12 2.5
12 2.9
12 3.3
12 3.8
12 4.2
13 5.0
Delavan type W - B ; Danfoss type S - B
Monarch type R
Combustion head
adjustment
Set-point
0
1
1.5
2.5
3
3.5
4
4
; Steinen type S - Q.
2
5
4
6 GB
Air damper
adjustment
Set-point
0.8
1.2
1.8
2.9
3.7
5.1
5.6
6.7
A
Fig. 10
3
6
1
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