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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 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 CO2 concentration in the flue gases, their temperatures and
the average temperature of the water in the boiler.
The combustion air is sucked from outside, there-
fore, there can be sensitive temperature varia-
tions that can influence the percentage value of
the CO
. It is advisable to adjust the CO
2
WARNING
ing to the diagram.
For example: with an combustion air temperature
of 20°C, adjust the CO
The values in Tab. E are refer to 12.5% CO
with ambient temperature and light oil at 20 ° C.
Nozzle
GPH
Angle
2.00
60°
2.25
60°
2.50
60°
2.75
60°
3.00
60°
3.50
60°
4.00
60°
4.50
60°
5.00
60°
5.50
60°
1.75
60°
2.00
60°
2.25
60°
2.50
60°
3.00
60°
3.50
60°
4.00
60°/45°
4.50
60°/45°
*
With Kerosene, the pressure value in the 1st stage must be no greater than 7 bar.
7.3
Nozzles installation
The burner complies with the emission requirements of the
EN 267 standard.
In order to guarantee that emissions do not vary, recommended
and/or alternative nozzles specified by the manufacturer in the In-
struction and warning booklet should be used.
It is advisable to replace nozzles every year dur-
ing regular maintenance operations.
WARNING
2903397
Start-up, calibration and operation of the burner
accord-
2
to 12.5% (± 0.2%).
2
, at sea level and
2
Pump
Burner
pressure
output
bar
kg/h ± 4%
st
nd
st
1
2
1
7*
11
5.90
7*
11
6.37
7*
11
6.90
7*
11
7.50
7*
11
8.56
7*
11
9.35
7*
11
10.50
7*
11
12.24
7*
11
14.35
7*
10
15.27
9
14
6.1
9
14
7.0
9
14
7.8
9
14
8.7
9
14
10.4
9
14
12.2
9
14
13.9
9
14
15.6
Check the correct working of the adjustment, com-
mand and safety devices.
WARNING
14.0
13.5
13.0
12.5
12.0
11.5
11.0
10.5
10.0
-10
-5
0
Combustion air temperature (°C)
Combustion head
adjustment
nd
2
Set-point
7.27
0 (min)
8.02
1
8.62
1.5
9.56
2
10.64
2.5
12.0
3
13.15
3.5
15.32
4
17.95
5
18.30
6 (max)
7.6
1
8.7
1.5
9.8
2
10.8
2.5
13.0
3.5
15.2
4
17.3
5
19.5
6
The use of nozzles other than those specified by
the manufacturer and inadequate regular mainte-
nance may result into emission limits non-con-
forming to the values set forth by the regulations
in force, and in extremely serious cases, into po-
tential hazards to people and objects.
CAUTION
The manufacturing company shall not be liable for
any such damage arising from nonobservance of
the requirements contained in this manual.
18
GB
5
10
15
20
25
30
Air damper adjustment
st
1
stage
Set-point
1.9
2
2.1
2.3
2.4
2.5
2.7
2.9
4.1
4.5
2.3
2.5
2.7
2.9
3.2
3.5
4.5
5
20159270
35
40
45
Fig. 18
nd
2
stage
Set-point
2.3
2.5
2.6
2.9
3.1
3.3
3.8
4
8 (max)
8 (max)
2.6
3.0
3.5
3.8
4.3
5.0
6.5
8.0
Tab. E
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