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5.4
Operating position
The burner is designed to operate only in
positions 1, 2, 3 and 4 (Fig. 10).
Installation 1 is preferable, as it is the only
WARNING
one that allows the maintenance operations
as described in this manual.
Installations 2, 3 and 4 permit operation but
make maintenance and inspection of the
combustion head more difficult.
Any other position could compromise the cor-
rect operation of the appliance.
Installation 5 is prohibited for safety reasons.
DANGER
5.5
Preparing the boiler
5.5.1
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 ther-
mal insulation screen supplied with the burner.
mm
RLS 1000/M C13
460
RLS 1200/M C13
500
5.6
Securing the burner to the boiler
Prepare a suitable lifting system using rings
3)(Fig. 12).
Insert the thermal protection supplied with the blast tube 4).
Insert the entire burner on the boiler hole, previously fitted,
as in Fig. 11, and fix it with the screws supplied.
The seal between burner and boiler must be
airtight.
WARNING
20040160
A
B
608
608
D455
Installation
1
5.5.2
Blast tube length
The length of the blast tube must be selected according to the in-
dications provided by the manufacturer of the boiler, and in any
case it must be greater than the thickness of the boiler door com-
plete with its fettling.
C
For boilers with front flue passes 1)(Fig. 12) or flame inversion
M 20
chamber, a protection in refractory material 5) must be inserted
M 20
between the boiler fettling 2) and the blast tube 4).
This protective fettling 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
8
D11334
16
GB
2
3
D7739
7
3
4
5
Fig. 10
1
2
4
5
1
Fig. 12
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