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8
Start-up, calibration and operation of the burner
8.1
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
8.2
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 CO
concentration in the flue gases, their temperatures and
2
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 indicated diagram.
e.g. with a combustion air temperature of 20°C,
adjust the CO
Settings carried out in factory
The values in Tab. G refer to 12.5% of CO
an ambient and the light oil temperature of 20 °C.
Burner
Model
RDB3.2 G5 BLU 41 - 50
RDB3.2 G5 BLU 50 - 58
8.3
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 manu-
facturer in the Instruction 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. The manufacturing company shall not be
CAUTION
liable for any such damage arising from
nonobservance of the requirements contained in
this manual.
8.4
Pump pressure
The pump leaves the factory set for kerosene working.
10 bar: maximum pressure for kerosene.
Start-up, calibration and operation of the burner
2
to 12.5% (± 0.2%).
2
, at sea level and with
2
Model
GPH
Danfoss
1.25
Danfoss
1.50
and
inadequate
WARNING
14.0
13.5
13.0
12.5
12.0
11.5
accord-
11.0
10.5
10.0
-10
-5
Nozzle
Pump
pressure
Angle
bar
60° S
10
60° S
10
8.3.1
Nozzle reccomended
Danfoss type S.
regular
19
GB
Check the correct working of the adjustment, com-
mand and safety devices.
0
5
10
15
20
Combustion air temperature (°C)
Burner
Comb. Head
output
adjustment
kg/h ± 4%
Set-point
3.8
4.5
20159270
25
30
35
40
45
Fig. 16
Air damper
adjustment
Set-point
1
2.75
2
4.6
Tab. G
20158133
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