Working; Combustion Adjustment; Recommended Nozzles; Electrodes Adjustment - Riello Gulliver Rg4S Manuel D'entretien

4.

WORKING

WARNING
!
QUALIFIED PERSONNEL WITH THE RIGHT INSTRUMENTS MUST HANDLE THE BURNER'S START-UP.
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 by 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
2
boiler. 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), and they refer to 12.5 % CO
at sea level and with light oil and room temperature of 20 °C.
Pump
Nozzle
pressure
GPH Angle
2..50 60°
3.00 60°
3.50 60°
4.00 60°
4.50 60°
4.50 60°
4.2

RECOMMENDED NOZZLES

Monarch tipo R
Danfoss tipo B - S
Steinen tipo SS - S

ELECTRODES ADJUSTMENT

4.3
WARNING:
MEASURES MUST BE RESPECTED.
Lean the diffuser disc-holder assembly
(1) on the nozzle-holder (2) and lock it
by screw (3). For prospective adjust-
ments loosen screw (4) and move the
electrodes assembly (5).
To have access to the electrodes carry
out operation as described in chapter
4.4 "MAINTENANCE POSITION".
3365
Burner
output
bar kg/h ± 4%
12 10.0
12 12.0
12 14.0
12 16.1
12 18.1
14 19.5
Delavan
Delavan
Combustion
head adjustment
Set-point
0
1
2.5
4
6
6
tipo W (up to 3.00 GPH)
tipo B (over 3.00 GPH)
4.5
– 0.5 mm
7
GB
Air damper adjustment
Low-flame High-flame
Set-point Set-point
0.2
0.4
0.7
0.9
1.4
1.4
0
÷
6
4
5
3 2 1
2
1.4
2.1
3.0
3.5
4.5
6.0
Fig. 12
7
mm
D5085