Combustion Adjustment - Riello 40 G5R 446T1 Montage- Und Bedienungsanleitung

COMBUSTION ADJUSTMENT

In conformity with EN267 the application of the burner on the boiler, adjustment and testing must be
carried out observing the instruction manual of the boiler, including verification of the CO and CO
concentration in the flue gases, their temperatures and the average temperature of the water in the
boiler.
To suit the required appliance output, fit the nozzle then adjust the pump pressure, the setting of the
combustion head and the air damper opening in accordance with the following schedule.
Nozzle
1
GPH Angle
0.60 60°
0.65 60°
0.75 60°
0.85 60°
1.00 60°
1.10 60°
1.25 60°
1
NOZZLES RECOMMENDED
2
PRESSURE :
3
COMBUSTION HEAD SETTING : This is done when fitting the nozzle, with the blast tube
Terminal plane of the blast tube
Blast tube
D5582
2347
Pump pressure
Burner output
2
bar
12
12
12
12
12
12
12
: Monarch type R - NS
Delavan type W - A - E
Steinen
Danfoss type B - H
12 bar : The pump leaves the factory set at this value
removed. It depends on the output of the burner and is car-
ried out by rotating the regulating rod, till the terminal plane
of the blast tube is level with the set-point, as indicated in
the schedule.
2
5 3 1
Regulating rod
Shutter
Comb. head
adjustment
kg/h ± 4% Set-point
2.3
2.5
2.9
3.3
3.9
4.3
4.9
type Q - H
In the sketch on the left, the combustion
head is set for an output of 0.85 GPH at
12 bar, while the shutter is level with set-
point 2,5, as required by the above
schedule.
6
GB
Air damper
adjustment
3 4
Set-point
1 2
1,5 2
2 2,5
2,5 3
3,5 3,5
4 4,5
6 7
2