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5.4
Operating position
The burner is designed to operate only in
positions 1, 2, 3 and 4 (Fig. 9).
Installation 1 is preferable, as it is the only
one that allows the maintenance operations
WARNING
as described in this manual.
Installations 2, 3 and 4 allow operation but
make maintenance and inspection of the
combustion head more difficult.
Any other position could compromise the
correct operation of the appliance.
The installation 5 is prohibited for safety
reasons.
DANGER
5.5
Removing the shutter lockout screws
Remove the screws 1)-2) and nuts before fitting the burner onto
the boiler (Fig. 10).
Replace them with the screws 3) M12x25 supplied as standard.
5.6
Preparing the boiler
5.6.1
Boring the boiler plate
Pierce the closing plate of the combustion chamber, as in Fig. 11.
The position of the threaded holes can be marked using the
thermal insulation screen supplied with the burner.
mm
RLS 1000/M MX
460
RLS 1200/M MX
500
20148180
D455
A
B
608
608
Installation
1
5.6.2
Blast tube length
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.
For boilers with front flue passes 1)(Fig. 12) or flame inversion
chamber, a protection in refractory material 5) must be inserted
between the boiler fettling 2) and the blast tube 4).
This protection must not compromise the extraction of the blast
tube.
For boilers with a water-cooled front piece, a refractory lining 2)-
5)(Fig. 12) is not necessary, unless expressly requested by the
boiler manufacturer.
Fig. 11
C
M 20
M 20
Tab. H
16
GB
2
3
4
D7739
5
Fig. 9
20061924
Fig. 10
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