Combustion Head Setting - Riello 40 Serie Instrucciones De Instalación, Montaje Y Funcionamiento

RIELLO 40 G20D TYPE 717 T81
Nozzle
1
GPH Angle 1
2.25 60°
2.50 60°
2.75 60°
3.00 60°
3.50 60°
4.00 60°
4.50 60°
5.00 60°/45°
5.50 60°/45°
1
NOZZLES RECOMMENDED:
2

COMBUSTION HEAD SETTING

Terminal plane of the blast tube
5
D5398
Blast tube
2509
Pump Burner
pressure output
bar kg/h ± 4%
st nd st
2 1
7 11 6.1
7 11 6.9
7 11 7.2
7 11 7.9
7 11 9.2
7 11 11.0
7 11 12.1
7 11 13.8
7 11 15.1
Monarch type R - PLP ; Delavan type B
Steinen
Angle in most cases. Particularly suited to avoid
: 60° :
flame-detachment during ignition.
for narrow and long combustion-chambers.
45° :
: This is done when fitting the nozzle, with the blast tube
2
3 1
Regulating rod
Shutter
Comb. head
adjustment
2
nd
2 Set-point
7.7 1.0
8.7 1.5
9.3 2.0
10.0 2.5
11.8 3.0
14.3 3.5
15.6 4.0
17.7 4.5
19.5 5.0
type S - SS ; Danfoss type S
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 indi-
cated in the schedule.
In the sketch on the left, the combustion
head is set for an output of 2.00 GPH
for type 716T81 and 3.50 GPH for type
717T81 at 7/11 bar, while the shutter is
level with set-point 3, as required by the
above schedule.
8
GB
Air damper adjustment
st nd
1 stage 2
Set-point Set-point
1.8
2.0
2.0
2.1
2.5
2.8
2.9
3.5
3.5
3
stage
2.1
2.5
2.5
2.7
2.8
3.4
3.8
4.5
5.5