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2.2 Requirements for smoke extractor flue
The smoke extractor flue must be in good condition, clean, with no pronounced changes in direction and designed to withstand
temperatures in the region of 500°C. In most cases, it will be necessary to condition a new smoke extractor in accordance with the
requirements set out here and in the relevant regulation.
The minimum section of the smoke extractor pipe must be equal or greater to the extractor of the device, nevertheless, a sec-
tion that is too generous may also cause problems. In these cases, we recommend that you entube the existing extractor. Similarly,
even though it is not the ideal situation, it allows changes in the geometry of the section, from circular to squared, provided
that the area is maintained and the change from on geometric shape to another is sealed and free from potential obstructions.
The minimum height of the pipe is 5 metres, with a two changes of direction of up to 45° permitted up to that height. For pipe
of up to 5 metres in height, these changes of direction are limited to 20°. For significant heights we recommend that you install a gate
to facilitate the sweeping.
mín. 10 m
In any case, the depression at the base of the pipe should be 10-14 Pa, which means
it is necessary to install an adapted shoot regulator.
The final section of the smoke extractor should be finished in accordance with standard
UNE 123001, which establishes that the final section must be placed 1 metre above
the highest point of the roof located within a radius of less than 10 m. With respect
to the chimney stack, it must be built in such a manner that prevent the entry of rain or
snow to the extractor flue, or any other foreign body such as birds or animals.
We recommended that you do not install any metal mesh or similar anti-bird device
Finish of smoke extractor
as it may obstruct the flow of smoke, and in the event of doing so, the mesh should be of
sufficient size (in the region of 3 cm in diameter).
2.3 Assembly of device
2.3.1 Air intake
The thermo fireplaces in the H range are sealed units that take air in from the adjacent room or from the exterior. To do that it
is necessary to place 120 mm bevelled ring supplied where it is most suitable for installation (back part, left side or right side) and
connect the pipe to the air intake. The H90 device must be connected to a single 120 mm intake while the H110 requires two
120 mm intakes.
Air intake H90 -left.- and H100 -right.-
2.3.2 Extraction of smoke
To complete the connection from the smoke extractor to the device, a pipe with adequate resistance to high temperatures must
be used (such as stainless steel or enamel steel), sealed correctly with the device using putty or refractory cement. The diameter of
the pipe to be used is indicated in section 1.2.
It is necessary to place the pipe in the existing gap between the device and the body work. The installer must ensure that it is well
connected, firm and completely sealed.
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