Combustion Head Setting - Riello R40 N20 Montageanleitung Und Bedienungsanleitung

COMBUSTION HEAD ADJUSTMENT
CHOOSING THE NOZZLES
Nozzle
GPH Angle
1,50 45° / 60°
2,00 45° / 60°
2,25 45° / 60°
2,50 45° / 60°
3,00 45° / 60°
3,50 45° / 60°

COMBUSTION HEAD SETTING

This is done when fitting the nozzle, with the
blast tube removed. It depends on the output of
the burner and is carried out by rotating the
regulating rod, till the terminal plane of the
blast tube is level with the set-point, as indicat-
ed in the schedule.
In the sketch on the right, the combustion head
is set for an output of 13,5 kg/h at 20 bar, while
the shutter is level with set-point 3, as required
by the above schedule.
Combustion head settings indicated in the sched-
ule are valid for most cases.
The setting of the fan output according to the in-
stallation should normally be done only through
the air damper. Should one subsequently want to
retouch also the setting of the combustion head,
with the burner running, operate on the rod (1)
with a 6 mm spanner (2),
ELECTRODE SETTING
2411
*
Burner output
Comb. head
with 20 bar adjustment
kg/h ± 5% Set-point
9
12
13,5
15
18
19
*
Taken on the pressure gauge (10, fig. 1).
1
IMPORTANT:
Before assembling the nozzle, you
2
need to unscrew the filter.
3
4
– The 45° fuel atomisation angle is recom-
mended if the blast tube is fouled up.
5
6
Terminal plane of the blast tube
D5879
Blast tube
4
mm
D5864
5 GB
2
5 3 1
Regulating rod
Shutter
2 1
6
D5860
2
mm