Burner Start-Up Cycle - Riello Burners Gulliver RG1 Manuel D'entretien

ATTENTION
During the reassembly of the nozzle-holder
assembly screw the nut (3) as shown in the figure
below.
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
(see fig. 13)
It depends on the output of the burner and is car-
ried 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 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.

4.2 BURNER START-UP CYCLE

Normal
Thermostat
Motor
Ignition transformer
Valve
Flame
Lock-out lamp
A
Lock out is indicated by a lamp on the control box (3, fig. 1, page 1).
2303
D5684
3
(see fig. 13)
and to sea level.
2
~
12s
B Fig. 13
Fig. 13
Lock-out due to failure to light
~
12s
7 GB
S7206
A
5 s
D5029