mm A B C
RL 34/1 MZ 160 224 M 8
D455
D7433
(A)
5
INSTALLATION
THE BURNER MUST BE INSTALLED
IN CONFORMITY WITH LEGISLATION
AND LOCAL STANDARDS.
OPERATING POSITION (A)
The burner is designed to work only in
the positions 1, 2, 3 a
nd 4.
Installation 1
is preferable, as it is the
only one that allows performing maintenance
operations as described in this manual. Instal-
lations 2, 3
and 4 permit operation but make
maintenance and inspection of the combus-
tion head difficult, page 14.
Any other position could compromise
the correct working of the appliance.
Installation 5
is prohibited for safety
reasons.
BOILER PLATE (B)
Drill the combustion chamber locking plate as
shown in (B). The position of the threaded holes
can be marked using the thermal screen sup-
plied with the burner.
BLAST TUBE LENGTH (C)
The length of the blast tube must be selected
according to the indications provided by the
manufacturer of the boiler, and in any case it
must be greater than the thickness of the boiler
door complete with its fettling. The range of
lengths available, L, is as follows:
Blast tube 7):
• short 216
• long 351
For boilers with front flue passes 10) or flame
inver
sion chambers, protective fettling in refrac-
tory material 8) must be inserted between the
boiler
's fettling 9) and the blast tube 7).
This protective fettling must not compromise the
extractio
n of the blast tube.
For boilers having a water-cooled front the
refr
actory fettling 8)-9)(C) is not required unless
it is expressly requested by the boiler manufac-
turer.
SECURING THE BURNER TO THE BOILER (C)
Dismantle the nozzle assembly 7) and the pipe
coupling 5) from the burner 4):
- Remove the screws 2) from the two slide
ba
rs 3).
- Remove the screw 1) and move the burner on
t
he guides 3).
Fix assembly 5) and 7) (C) to the boiler plate
and
insert the supplied insulating gasket 6) C).
Use the four screws supplied after protecting the
thread with antiseizing products. The burner-
boiler seal must be airtight.
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