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4.4
Operating position
The burner is designed to operate only in
positions 1, 2, 3 and 4 (Fig. 11).
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.
4.5
Preparing the boiler
4.5.1
Boring the boiler plate
Drill holes in the plate shutting off the combustion chamber, as illus-
trated in Fig. 12. The position of the threaded holes can be marked
using the thermal insulation screen supplied with the burner.
4.5.2
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 refractory. The lengths L available are:
Blast tube
RS 200/E FGR
For boilers with front flue passes 13)(Fig. 15 on page 17), or
flame inversion chambers, a protection in refractory material 11)
must be inserted between the boiler refractory 12) and the blast
tube 10).
This protection must not compromise the extraction of the blast
tube. For boilers with a water-cooled frontal, a refractory cover is
not necessary 11)-12)(Fig. 15), unless expressly requested by
the boiler manufacturer.
20171664
1
2
D7739
Short (mm)
Long (mm)
373
503
Installation
Any other position could compromise the cor-
Installation 5 is prohibited for safety reasons.
DANGER
3
4
mm
RS 200/E FGR
Tab. I
16
GB
rect operation of the appliance.
5
D 1
D F
20149117
Ø
D1
DF
230
325 - 368
Fig. 11
Fig. 12
Ø
M 16
Tab. J
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