Working; Combustion Adjustment; Recommended Nozzles; Electrodes Adjustment - Riello Gulliver RG5D 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.
Nozzles
GPH
st nd
1 stage 2 stage
2.00 1.00
2.00 2.00
2.50 2.50
3.00 3.00
4.2

RECOMMENDED NOZZLES

Delavan tipo W - B
Steinen tipo Q
Danfoss tipo S
N.B.: If necessary the 1

ELECTRODES ADJUSTMENT

4.3
WARNING:
MEASURES MUST BE RESPECTED.
For prospective adjustments loosen
screws (1) and move the electrodes as-
sembly (2), (see fig. 12).
To have access to the electrodes carry
out operation as described in chapter

4.4 "MAINTENANCE POSITION".

3367
Pressure
pump
Angle
bar
60° 12
60° 12
60° 12
60° 12.5
st
stage nozzle can have an output exceeding 50 % of the total output.
Burner output
kg/h ± 4%
st nd
1 stage 2 stage
8.0 12.4
8.0 16.4
10.3 20.5
12.6 25.0
1 1
2
D5406
7 GB
Air damper adjust-
Combustion
head adjust-
ment
st
1 stage
Set-point Set-point
0 0.25
3 0.15
6 0.3
8 0.6
2
ment
nd
2 stage
Set-point
2.1
3.0
4.4
6.0
Fig. 12