Combustion Head Setting; Electrodes Adjustment - Riello RG5DF Instrucciones De Instalación, Montaje Y Funcionamiento

Change and screw down the nozzles (10) tighten-
ing them as shown in the figure.
Reassemble the unit following the above instruc-
tions in reverse, replacing the nozzle holder as-
sembly (1) in its original position.
ATTENTION
During the reassembly of the nozzle-holder assembly
screw the nuts (3) as shown in the figure below.
TIGHTEN WITHOUT MOVING
BACKWARDS TO THE END
4.3

COMBUSTION HEAD SETTING

It depends on the output of the burner.
It is set by turning the setting screw (6) in a clockwise or anticlockwise direction, until the set point on the
regulation rod (7) is level with the outside plane of the nozzle holder assembly (1).
Figure 12 shows the head regulation rod (7) set on set point 3.
According to the values given in the table, the head is set for a delivery of 2.00 + 2.00 GPH, with pump pres-
sure at 12 bar.
4.4

ELECTRODES ADJUSTMENT,

ATTENTION
THE GIVEN DISTANCES MUST BE RE-
SPECTED.
For prospective adjustments loosen screws
(1) and move the electrodes assembly (2).
To have access to the electrodes carry out
operation as described in chapter "4.2
RECOMMENDED NOZZLES" (page 8).
2902
D5684
3
(see fig. 12, page 8)
(see fig. 14)
D5406
Fig. 13
9
1
2
9 GB
10 8
S7764
Fig. 14