Pump Pressure; Combustion Head Setting; Air Damper Adjustment - Riello Gulliver RG0.3 Installation, Use And Maintenance Instructions

B
Fig. 13
– Remove nozzle-holder assembly (1) after
loosing screws (2) and nut (3), remove the
small cables (4) from the control box and
the photoresistance (6).
– Withdraw the small cables (4) from the
electrodes, remove the diffuser disc-holder
assembly (10) from the nozzle-holder as-
sembly (1) after loosing screw (3, fig. 11,
page 5).
– Screw the nozzle (11) 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 0.75 GPH at 12.5 bar.
The set-point 2 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.
2301
D5684
Fig. 13
(see fig. 13)
(see fig. 13)
and to sea level.
2
7 GB
S7228