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5.4
Operating position
➤ The burner is designed to operate only in
positions 1, 2, 3 and 4 (Fig. 13).
➤ 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 permit operation but
make maintenance and inspection of the
combustion head more difficult.
1
D7739
5.5
Preparing the boiler
5.5.1
Boring the boiler plate
Pierce the closing plate of the combustion chamber, as in Fig. 14.
The position of the threaded holes can be marked using the ther-
mal insulation screen supplied with the burner.
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.
The available lengths L are those indicated in the table below.
Blast tube (mm)
RLS 160/EVi MX
RLS 200/EVi MX
For boilers with a front flue gas passes 13) (Fig. 16) or flame in-
version chamber, a protection device in refractory material 11)
must be inserted between the boiler fettling 12) and the blast tube
10).
This protective fettling must not compromise the extraction of the
blast tube.
For boilers with a water-cooled frontal, a refractory lining is not
necessary 11)-12) unless expressly requested by the boiler man-
ufacturer.
2
Short
Long
373
503
373
503
Installation
➤ Any other position could compromise the cor-
➤ Installation 5 is prohibited for safety reasons.
DANGER
3
mm
RLS 160/EVi MX
RLS 200/EVi MX
Tab. K
21
GB
rect operation of the appliance.
4
5
D455
A
B
230
325-368
230
325-368
Fig. 13
Fig. 14
C
M 16
M 16
Tab. L
20109570
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