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-
WARNING
tions of the laws in force.
8.2
Combustion adjustment
In conformity with Efficiency Directive 92/42/EEC the application
of the burner on the boiler, adjustment and testing must be car-
ried out observing the instruction manual of the boiler, including
verification of the CO and CO
their temperatures and the average temperature of the water in
the boiler.
Combustion air is drawn in from outside, meaning
there may be notable changes in temperature,
which can affect the percentage of CO
You are advised to adjust CO
WARNING
the graph featured.
Exemple: outside air temperature 10 °C, adjust
CO
to 11.6% (± 0.2%).
2
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 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
8.4
Electrodes setting
The position of the electrodes cannot be regulat-
ed. In case of failure, check that the measure-
ments as shown on the figure are respected.
WARNING
Before removing or assembling the nozzle, loosen the screw (A,
Fig. 20) and move the electrodes ahead.
Start-up, calibration and operation of the burner
concentration in the flue gases,
2
.
2
in accordance with
2
Check the correct working of the adjustment, com-
mand and safety devices.
WARNING
D7052
The use of nozzles other than those specified by
the
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.
8.3.1
Nozzles reccomended
According to the application.
4 ± 0.3 mm
D5230
19
GB
Outside air temperature (°C)
manufacturer
and
inadequate
A
2 - 2.5 mm
Fig. 19
regular
Fig. 20
20068634