Chimney Cowl; Outside Air Intake - BOREAL AIRE Serie Instrucciones De Instalación, Uso Y Mantenimiento

In drawing are represented the basic requirements for the chimney installation of a thermo-stove:
The flue must be away from flammable or combustible materials through an appropriate insulation or an air chamber. Inside the pipes, it is forbidden the
use of air abduction channels. It is also prohibited to do mobile or fixed openings for connecting other different equipments.
The smoke duct must be staunchness set to the equipment and it can have a maximum inclination of 45° whereby excessive deposits of condensation
produced in the initial stages of ignition and / or excessive soot formation is avoided. Moreover, it avoids the slowing down of the smoke when it comes
out.
The lack of sealing of the connection may cause the malfunction of the equipment.
The internal diameter of the connection pipe should correspond to the external diameter of the chimney of the equipment.
In drawing you can see the requirements for a correct installation.
5.3

CHIMNEY COWL

The chimney draft also depends on the chimney cowl. Therefore, in case of an artisanal chimney cowl, it is indispensable the exit section would be twice
the inside section of the smoke duct. The smoke throughout will be assured even in presence or air.
The chimney cowl must comply with the following requirements:
• It must have the same interior section of the chimney.
• It must have an usable exit section that is two times the one of the interior of the chimney.
• It must be constructed so that the rain, snow or any other objet do not enter inside.
• It must be easily accessible in order to do servicing and cleaning tasks.
(1) Industrial chimney of
prefabricated elements
that allow a good smoke
extraction.
5.4

OUTSIDE AIR INTAKE

For the proper operation of the stove, it is essential that there is enough air for the combustion and re/oxygenation of the environment where it is
installed. This means that the air must be able to move for the combustion through some openings connected to the exterior, even when doors and
windows are closed.
Minimum height 1.5m
Minimum height 1.5m
(2) Traditional chimney. The proper
exit section must be, at least, two
times the interior section of the
chimney. The best is 2.5 times.
(3) Chimney with
interior cone smoke
baffle-plate.
EN
23