Combustion Head Adjustment - Riello RS 300/EV BLU Installation, Use And Maintenance Instructions

5.10

Combustion head adjustment

The air damper servomotor 4)(Fig. 4 on pag. 12), beyond varying
the air output according to the output demand, through a leverage
varies the combustion head adjustment.
In the factory, the hole is adjusted for the minimum stroke (hole
1).
Varying the tie-rod position on the holes 2) and 3)
(Fig. 19) could cause instability during operation.
WARNING
Pay attention to moving parts.
Danger of crushing of limbs!
If it is necessary to move the hinge to the right, the spacers
4)(Fig. 20) supplied with the burner must be mounted.
For the assembly proceed as follows:
 after you have unscrewed the nuts 2), remove the tie-rod 3),
 Tighten the spacers 4) to spacer 1) and screw 5) respec-
tively;
 mount the tie-rod and the nuts 2) again.
For RS 300-400-500/EV BLU only
In order to work correctly in flame inversion boil-
ers, the gas tubes must be adjusted in the hole in
WARNING
position 4, Fig. 21.
D3418
Installation
D3409
21 GB
D3450
Fig. 19
Fig. 20
Fig. 21
20123768