Working; Combustion Adjustment; Recommended Nozzles; Maintenance Position - Riello Gulliver BLU BGK1 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 air damper
opening in accordance with the following schedule. Values in the table refer to 13% CO
Nozzle
pressure
1
GPH Angle
0.40 60°
0.50 60°
0.60 60°
0.65 60°
0.75 60°
0.75 60°
0.85 60°
1.00 60°
1.10 60°
1.25 60°
1

RECOMMENDED NOZZLES

The accessibility to the nozzle, the diffuser disc and the electrodes is made easy in 2 ways:
A
Fig. 11 – Remove the burner out of the boiler, after loosing the fixing nut to the flange.
– Hook the burner to the flange (1), by removing the flame 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 noz-
zle-holder assembly after loosing its fixing screw (3, fig. 15, page 8).
– Screw the nozzle (6) correctly and tighten
it as shown in the figure.
2513
Pump Burner
output
2
bar kg/h ± 4%
12 1.5
12 1.8
12 2.3
12 2.5
13 3.0
12 2.8
12 3.3
12 3.6
12 4.2
12 5.0
:
Steinen type 60° H; Danfoss type 60° H; Delavan type 60° W.

MAINTENANCE POSITION

S7369
Comb. head Air damper
adjustment adjustment
3 4
Set-point Set-point
0.5 0.4
1 1.1
1.5 2.5
2 2.9
2.5 3.5
1.5 1.8
1.5 2.1
2 2.4
2.5 3
4 3.5
Fig. 11
6 GB
4
and to sea level.
2
With the u. m. nozzles, it has
been reached the combustion
values according to:
RAL-UZ 9,
Edition February 2001 (environ-
mental mark - Germany):
370T1: Steinen 0,40 GPH - 60° H
Delavan 0,75 GPH - 60° W
374T1: Delavan 0,75 GPH - 60° W
Delavan 1,25 GPH - 60° W
S7370