Pump Pressure; Combustion Head Setting - Riello Burners Gulliver RG1RK Manuel D'entretien

ATTENTION
During the reassembly of the nozzle-holder assem-
bly screw the nut (3) as shown in the figure below.
TIGHTEN WITHOUT MOVING
BACKWARDS TO THE END

4.3 PUMP PRESSURE

The pump leaves the factory set at 12 bar.
To change it act on pump pressure adjust screw
(4, fig. 5, page 4).

4.4 COMBUSTION HEAD SETTING

(see fig. 11)
It depends on the output of the burner and is carried
out by rotating clockwise or counterclockwise the
setting screw (5) until the set-point marked on the
regulating rod (9) is level with the outside plane of
the nozzle-holder assembly (1).
In the sketch the combustion head is set for an
output of 0.85 GPH at 12 bar.
The set-point 3 of the regulating rod (9) is at the
same level with the outside plane of the nozzle-
holder assembly (1) as shown in the schedule.
4.5 AIR DAMPER ADJUSTMENT
To vary the setting adjust the screw (7) after loosing the nut (8).
When burner shuts down the air damper automatically closes till a max. chimney depressure of 0.5 mbar.
4.6 ELECTRODES ADJUSTMENT
WARNING
Lean the diffuser disc-holder assem-
bly (1) on the nozzle-holder (2) and
lock it by screw (3).
For prospective adjustments of the
electrodes assembly (4), loosen
screw (5).
To have access to the electrodes carry
out operation as described in chapter
"4.2 RECOMMENDED NOZZLES"
(page 6).
2325
D5684
3
(see fig. 11)
(see fig. 12)
Fig. 12
B Fig. 11
0
4.5
– 0.5 mm
2 4
3 1
D5343
7 GB
S7647
WARNING
MEASURES
MUST BE RESPECTED
2 ÷ 2,5
mm
5
5.5 ±
0.3 mm