Choice Of Nozzle (Fig. 8); Nozzle Assembly - Riello RL 70/M Handleiding Voor Installatie, Gebruik En Onderhoud
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- Handleiding voor installatie, gebruik en onderhoud (52 pagina's)
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Beschikbare talen
5.6
Choice of nozzle (Fig. 8)
See diagram (Fig. 27 page 21).
In case an intermediate delivery between the two values indicat-
ed in the diagram (Fig. 27 page 21), is required, a nozzle with
higher delivery must be chosen. Delivery reduction will be ob-
tained by means of the pressure regulator.
5.7
Nozzle assembly
D1220
D856
D1221
D1222
5996
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Installation
RECOMMENDED NOZZLES:
Type A3 or A4 Bergonzo nozzles - 45° angle
At this stage of installation the burner is still disassembled from
the blast tube; it is therefore possible to fit the nozzle with the box
spanner 1) (Fig. 8), fitting the spanner through the central hole in
the flame stability disk. Do not use any sealing products such as
gaskets, sealing compound, or tape. Be careful to avoid damag-
ing the nozzle sealing seat.
Make sure that the electrodes are positioned as shown in (Fig. 9)
Finally refit the burner 3)(Fig. 10) to the slide bars 2) and slide it
up to the flange 5), keeping it slightly raised to prevent the
flame stability disk from pressing against the blast tube.
Tighten the screws 1) on the slide bars 2) and screws 4) fixing the
Fig. 8
burner to the flange.
If it proves necessary to change a nozzle with the burner already
fitted to the boiler, proceed as outlined below:
– Retract the burner on its slide bars as shown in (Fig. 6
page 11).
– Remove the nuts 1) (Fig. 11) and the disk 2).
– Use spanner 3)(Fig. 11) to change the nozzles.
Fig. 9
Fig. 10
Fig. 11
12
GB
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