Riello 20171510, Инструкции по установке, использованию и обслуживанию

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20171652 16 GB
Installation
4.4 Operating position
4.5 Preparing the boiler
4.5.1 Boring the boiler plate
Drill holes in the plate shutting off the combustion chamber, as il-
lustrated in Fig. 12.
The position of the threaded holes can be marked using the ther-
mal 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:
Tab. I
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 on page 17), unless expressly re-
quested by the boiler manufacturer.
Tab. J
WARNING

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
as described in this manual.

Installations 2 , 3 and 4 permit operation but
make maintenance and inspection of the
combustion head more difficult.
DANGER

Any other position could compromise the cor-
rect operation of the appliance.

Installation 5 is prohibited for safety reasons.
2 3 4 5 1
Fig. 11
D7739
Blast tube Short (mm) Long (mm)
RS 68-120/E FGR 255 390
mm D1 DF Ø
RS 68-120/E FGR 195 275 - 325 M 12
Ø
45
45
D F
D 1
Fig. 12
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