Riello Burners Gulliver RG1RK 362T1 Manuel D'entretien page 37

B
Fig. 13
– Remove nozzle-holder assembly (1) after
loosing screws (2) and nut (3), remove the
small cables (4) from the control 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 as-
sembly (1) after loosing screw (3, fig. 11,
page 5).
– Screw the nozzle (12) correctly and
tighten it as shown in figure.
ATTENTION
During the reassembly of the nozzle-holder
assembly screw the nut (3) as shown in the
figure below.
3
TIGHTEN WITHOUT MOVING
BACKWARDS TO THE END
2
PUMP PRESSURE
– The pump leaves the factory set at 12 bar.
– To change it act on pump pressure adjust screw (5, fig. 7, page 4).
3
COMBUSTION HEAD SETTING
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
AIR DAMPER ADJUSTMENT
– To vary the setting adjust the screw (7) after loosing the nut (8).
– Values in the table refer to 12% CO
– When burner shuts down the air damper automatically closes till a max. chimney depressure of 0.5 mbar.
2325
D5684
Fig. 13
(see fig. 13)
(see fig. 13)
and to sea level.
2
7 GB
S7202