Combustion Adjustment; Recommended Nozzles; Maintenance Position - Riello Burners Gulliver RG1RK Manuel D'entretien

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 Pump pressure
GPH Angle
0.40 80°/60°
0.50 60°
0.60 60°
0.65 60°
0.75 60°
0.85 60°
1.00 60°
1.10 60°/45°
1.25 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
figure.
B
Fig. 11, page 7
Remove nozzle-holder assembly (1) after loosing screws
(2) and nut (3), remove the small cables (4) from the con-
trol box, the photoresistance (6) and the socket (10).
Withdraw the small cables (4) from the electrodes,
remove the diffuser disc-holder assembly (11) from the
nozzle-holder assembly (1) after loosing screw (3, fig. 12,
page 7).
Screw the nozzle (12) correctly and tighten it as
shown in figure.
2325
Burner
output
bar kg/h ± 4%
9 1.3
12 1.9
12 2.3
12 2.5
12 2.9
12 3.3
12 3.8
12 4.2
12 4.8
13 5.0
Delavan type W - B ; Danfoss type S - B
Monarch type R
Combustion
head adjustment
Set-point
0
0.5
1
1.5
2.5
3
3.5
4.5
5
6
; Steinen type S - Q
2
5
4
6 GB
Air damper
adjustment
Set-point
0.5
1.0
1.5
2.4
3.2
4.2
4.9
5.4
6.3
6.7
A
Fig. 10
3
6
1
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