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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.
It is advisable to replace the nozzle once a year
during periodical maintenance.
WARNING
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.
CAUTION
The manufacturing Company shall not be liable
for
any
such
observance of the requirements contained in this
manual.
Fit the nozzle with a 24 mm (for RLS 1000/M MX) and 41 mm (for
RLS 1200/M MX) box wrench, passing from the centre opening
of the flame stability disc (Fig. 15).
Fit the nozzles with the fuel interception rod on the nozzle holder.
To calibrate the delivery range of operation of the nozzle, adjust
the fuel pressure on the nozzle return line, according to Tab. I.
Do not use any sealing products such as:
gaskets, tape or sealants.
Be careful to avoid damaging the nozzle
sealing seat.
WARNING
The nozzle must be screwed into place tightly
but not to the maximum torque value
provided by the wrench.
D11310
20148180
Installation
damage
arising
from
non-
11. 4 mm
Fig. 15
5.10.1 Recommended nozzle
Model
RLS 1000/M MX
RLS 1200/M MX
Complete range of nozzles:
•
Bergonzo type B5 60°:
350 - 375 - 400 - 425 - 450 - 475 - 500 - 525 - 550 - 575 - 600
650 - 700 - 750 - 800 - 850 - 900.
•
Bergonzo type C3 - C5 60°:
700 - 800 - 900 - 1000 - 1100.
•
Fluidics type W2 60°:
375 - 400 - 450 - 500 - 550 - 600 - 650 - 700 - 750.
Delivery
kg/h
pressure
(bar)
350
600
750
900
700
700
900
1100
18
GB
Nozzle
–
Bergonzo
type B5 60°
–
Fluidics
type W2 60°
–
Bergonzo
type C3 - C5 60°
Return
pressure
kg/h
(bar)
18
8
100
20
17.5
315
20
6
140
22
16
563
20
6.5
180
22
19
722
16
4
168
20
15
867
18
3
172
20
16
462
18
3
172
20
19
635
17
5
237
18
17.5
791
16
6
273
18
16.5
961
kW
1200
3750
1675
6700
2150
8600
2000
10300
2043
5500
2043
7550
2815
9400
3242
11425
Tab. I
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