Combustion Adjustment - Riello 40 G3RK Installation, Use And Maintenance Instructions

COMBUSTION ADJUSTMENT

In conformity with Efficiency Directive 92/42/EEC the application of the burner on the boiler, adjust-
ment and testing must be carried out observing the instruction manual of the boiler, including verifica-
tion of the CO and CO
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
0.40 60° / 80°
0.50 60°
0.60 60°
0.65 60°
0.75 60°
1
NOZZLES RECOMMENDED : Monarch type R
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
D5663
1544
concentration in the flue gases, their temperatures and the average
2
Pump pressure
Burner output
2
bar
10
12
12
12
13
Delavan
Delavan
Steinen
Danfoss type S
Satronic type S
Fluidics
12 bar : The pump leaves the factory set at this value.
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.
3 5
0 2 4 6
Regulating rod
Shutter
Comb. head
adjustment
kg/h ± 4%
Set-point
1.3
1.8
2.3
2.5
3.0
type W (till 0,65 GPH)
type B (from 0,65 GPH)
type Q
type SF
In the sketch on the left, the combustion
head is set for an output of 0.65 GPH
at 12 bar, while the shutter is level with
set-point 1.5, as required by the above
schedule.
7
GB
Air damper
adjustment
3 4
Set-point
0 2.2
0.5 3
1 4
1.5 3.8
2 8