20019904
18
GB
Installation
4.7
Securing the burner to the boiler
Detach the combustion head from the burner, (Fig. 10):
disconnect the oil pipes by unscrewing the two connectors 6);
loosen the 4 screws 3) and remove the cover 1);
remove the screws 2) from the slide bars 5);
remove the 2 screws 4) and pull the burner back on slide bars
5) by about 4”;
disconnect the electrode wires and then pull the burner com-
pletely off the slide bars.
4.8
Nozzle
The burner complies with the emission requirements of the UL 296
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.
4.8.1
Nozzle assembly
In order to assemble the nozzle, proceed as follows:
remove screw 1)(Fig. 11) and extract the nozzle assembly 2);
install the nozzle 1)(Fig. 12);
fitting the wrench through the central hole in the flame stability
disk or loosen screws 1)(Fig. 13);
remove disk 2) and replace the nozzles using the wrench 3).
WARNING
It is advisable to replace nozzles every year during
regular maintenance operations.
CAUTION
The use of nozzles other than those specified by the
manufacturer and inadequate regular 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 liable for
any such damage arising from nonobservance of
the requirements contained in this manual.
WARNING
Do not use any sealing products such as gas-
kets, sealing compound, or tape.
Be careful to avoid damaging the nozzle seal-
ing seat.
The nozzles must be screwed into place tightly
but carefully.
The nozzle for low fire operation is the one
lying beneath the firing electrodes (Fig. 16).
Fig. 11
D1122
Fig. 12
D9543
Fig. 13
D9544