Combustion Head Adjustment; Air Damper Adjustment - Riello RG2 Installation, Use And Maintenance Instructions

5.8

Combustion head adjustment

The adjustment of the combustion head varies depending on the
burner output (Fig. 12).
Do the following to adjust it:
 turn the adjustment screw 5) clockwise or anti-clockwise
until the notch is against the regulating rod 9)(Fig. 12) and
lines up with the outer surface of the nozzle-holder assembly
1)(Fig. 12).
Example for the RG2 burner:
the regulating rod 9) is set at notch 3; this means that the burner
is regulated for an output of 6 Kg/h with the pump pressure at 12
bar and with the use of a nozzle of 1.50 GPH, as indicated in Tab.
H page 24.
5.9

Air damper adjustment

To regulate the air damper, do the following:
 loosen the nut 8)(Fig. 12) and calibrate the air damper by
turning the screw 7)(Fig. 12).
 When the adjustment is completed screw in the nut 8)(Fig.
12) again.
 When burner shuts down the air damper automatically close
still a max. chimney depressurisation of 0.5 mbar.
20136866
Installation
S7206
18 GB
Fig. 12