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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
Pump pressure
The pump leaves the factory set for kerosene working.
10 bar: maximum pressure for kerosene.
8.5
Maintenance position
Access to the combustion head, electrodes and nozzle.
Remove the burner out of the boiler, after loosing the fixing
nut to the flange.
Hook the burner to the flange 1), by removing the blast tube
2) after loosing the fixing screws (3).
Remove the electrodes assembly 5) from the nozzle holder
4) after loosing its fixing screw (A, Fig. 20 to page 21).
Screw the nozzle 6).
2
2902852
Start-up, calibration and operation of the burner
1
3
Fig. 18
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 recommended
Hago type ES - B;
Delavan type W - B;
Steinen type S;
Danfoss type S.
Angle 60°: in most cases.
Angle 80°: in case of flame detachment, during ignitions at low
temperatures.
For gas oil increase pressure
12 bar: pressure suitable for gas oil in most cases.
14 bar: improves flame retention; it is therefore suitable for igni-
tions at low temperatures.
5
6
4
20
GB
manufacturer
and
inadequate
regular
Fig. 19
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