Start-Up, Calibration And Operation Of The Burner; Notes On Safety For The First Start-Up; Combustion Adjustment - Riello RG2D Installation, Use And Maintenance Instructions

7

Start-up, calibration and operation of the burner

7.1

Notes on safety for the first start-up

The first start-up of the burner must be carried out
by qualified personnel, as indicated in this manual
and in compliance with the standards and regula-
tions of the laws in force.
WARNING
7.2

Combustion adjustment

In conformity with EN 267, the installation of the burner on the
boiler, the adjustment and testing must be carried out in compli-
ance with the instruction manual of the boiler, including control of
concentration in the flue gases, their tempera-
the CO and CO
2
ture and the average temperature of the water in the boiler.
The temperature of the combustion air (relative to
the place where the burner is installed) may vary
during the season, it influences the CO
burner. We recommend adjusting the CO
WARNING
upon the temperature of the combustion air at the
time when the burner calibration is carried out in
accordance with what is shown in the following di-
agram.
Example Combustion air temperature =10°C ad-
just the CO
2
To suit the required boiler output, choose the proper nozzle and
adjust the pump pressure and the air damper opening in accord-
ance with the following data. The values in Tab. I are obtained on
the boiler (according to EN267).
Nozzle
GHP Angle
1.00 60°
1.10 60°
1.25 60°
1.50 60°
1.75 60°
2.00 60°
2.25 60°
1.50 60°
1.75 60°
2.00 60°
2.25 60°
2.50 60°
3.00 60°
3.50 60°
2.50 60°
3.00 60°
3.50 60°
4.00 60°
4.50 60°
Nozzle
GHP
1st stage 2nd stage
2.00 1.00
2.00 2.00
2.50 2.50
3.00 3.00
Start-up, calibration and operation of the burner
to 12.5%.
Pump pressure
bar
1st stage 2nd stage
9 14
9 14
9 14
9 14
9 14
9 14
9 14
9 15
9 15
9 15
9 15
9 15
9 15
9 14
9 14
9 14
9 14
9 14
9 14
Pump
pressure
Angle bar
60° 12
60° 12
60° 12
60° 12.5
Check the correct working of the adjustment, com-
mand and safety devices.
WARNING
They refer to 12.5 % CO
light oil temperature of 20 °C.
14.5
14.0
13.5
of the
2
13.0
based
2
12.5
12.0
11.5
0
Burner output
kg/h ± 4%
1st stage 2nd stage
3.5 4.3
3.8 4.8
4.3 5.4
5.2 6.5
6.1 7.6
7.0 8.7
7.8 9.8
5.3 6.8
6.4 8.2
7.2 9.3
8.2 10.5
8.7 11.2
10.5 13.5
12.5 15.2
8.7 10.8
10.4 13.0
12.2 15.2
13.9 17.3
15.6 19.5
Burner output
kg/h ± 4%
1st stage 2nd stage
8.0 12.4
8.0 16.4
10.3 20.5
12.6 25.0
23 GB
, at sea level and with an ambient and
2
5 10 15 20
Combustion air temperature
Adjust. comb. head
Set-point
1st stage
0
1
2
3
4
5
6
0
0.5
1.5
2.5
3.5
5.0
6.0
0
1
2.5
4
6
Adjust. comb. head
Set-point
1st stage
0
3
6
8
D4604
25 30 35
40
Fig. 22
Adjusting damper
Set-point
2nd stage
0.2 1.5
0.4 2.1
0.6 2.6
0.8 3.4
1.2 4.8
1.4 5.4
1.6 6.0
0.2 0.5
0.25 1.0
0.4 1.1
0.5 1.5
0.6 2.0
0.8 3.0
1.0 3.9
0.2 1.8
0.5 2.7
0.8 3.7
1.0 4.5
1.3 6.0
Adjusting damper
Set-point
2nd stage
0.25 2.1
0.15 3.0
0.3 4.4
0.6 6.0
Tab. I
20135920