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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
WARNING
2
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
ambient temperature and light oil at 20 ° C.
Nozzle
GPH
Angle
0.40
80°ES
0.40
80°ES
0.50
80°ES
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
The use of nozzles other than those specified by
the
manufacturer
maintenance may result into emission limits non-
conforming to the values set forth by the
regulations in force, and in extremely serious
cases, into potential 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.
20074517
Start-up, calibration and operation of the burner
accord-
2
to 12.5% (± 0.2%).
2
, at sea level and with
2
Pump pressure
bar
7.0
10.0
8.5
and
inadequate
regular
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
0
-10
-5
Combustion air temperature (°C)
Air damper
Output
adjustment
kg/h ± 4%
Set-point
1.0
1.25
1.5
7.3.1
Nozzles recommended
– Danfoss type H - S - EH - ES
– Delavan type A - W
– Steinen type Q - S
Angle 60°: in most cases.
Angle 80°: in case of flame detachment, during ignitions at low
temperatures.
18
GB
15
25
30
5
10
20
Main air damper
adjustment
Set-point
0.75
12-15 kW
2.5
12-15 kW
4.8
20159270
40
35
45
Fig. 15
18 kW
Tab. E
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