19
20027766
GB
Installation
5.10
Nozzle 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 Riello in
the Instruction and warning booklet should be used.
Fit the nozzle with the box spanner, fitting the spanner through
the central hole in the flame stability disk (Fig. 16).
Nozzles with no fuel shutoff needle must be fitted on the nozzle
holder.
To set the delivery range within which the nozzle must work, noz-
zle return line fuel pressure must be adjusted according to
Tab. E and Tab. F.
5.10.1 Recommended nozzle
•
Fluidics type N2 50°
Alternatively:
•
Bergonzo type B5 60° SA
Complete range of nozzles:
Fluidics type N2 50°
300-330-360-400-450-500-550-600.
Tab. E
Bergonzo type B5 60° SA
300-325-350-375-400-425-450-475-500-525-550-575-600.
Tab. F
WARNING
It is advisable to replace the nozzle once a year
during periodical maintenance.
CAUTION
The use of nozzles other than those specified by
Riello S.p.A. 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 non-observance 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 not to the maximum torque value
provided by the wrench.
40 mm
Fig. 16
D9248
kg/h
Delivery
pressure
bar
Return
pressure
bar
kg/h
kW
300
20
9.5
125
1500
20
14
250
3000
450
20
8
134
1600
20
14
380
4550
600
20
8
193
2300
20
14.5
550
6550
kg/h
Delivery
pressure
bar
Return
pressure
bar
kg/h
kW
300
20
10
125
1500
20
18
250
3000
450
20
10
134
1600
20
19
380
4550
600
20
12
197
2350
20
18
550
6550
Summary of Contents for RLS 650/E MX
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