Fumes Evacuation System - Palazzetti WT R/L Série Manuel D'installation

5.6 Fumes evacuation system

The appliance must be connected to a system for
flue gas evacuation suitable to ensure an adequate
dispersion into the atmosphere of the combustion
products, in compliance with standards EN 1856-
1-2 , EN 1857, EN 1443, , EN 13384-1-3, EN 12391-
1, UNI 10683 both for size and materials used in its
construction.
The dimensions of the chimney must comply
w i t h t h e s p e c i f i c a t i o n s i n t h e t e c h n i c a l
d a t a s h e e t o f t h e p r o d u c t h a n d b o o k .
The components of the systems for the evacuation
of combustion products must be declared suitable for
the specific operating conditions and provided with
marking (through the declaration or the certificate
of conformity or the European Technical Approval of
the product).
It is appropriate to provide a collection chamber with
inspection for solid materials and any condensation
under the smoke inlet channel (Fig. 5.6).
Crumbling flues, built with unsuitable material, are
illegal and can compromise the efficient operation of
the fireplace.
A perfect draft is given mainly by a flue free from
obstacles such as bottlenecks, horizontal paths,
corners; any displacements of the axis must have
an inclined path with a maximum angle of 45° with
respect to the vertical, better still if only 30°. These
displacements must be carried out preferably in
proximity of the chimney pot.
The flue gas connection between the firebox and the
flue pipe must have the same section as the flue outlet
of the fireplace. The flue connection must be tight and
Fig. 5.6
the use of flexible extendible metal pipes is forbidden.
The changes of direction with respect to the smoke
exhaust of the appliance must be made with elbows
not greater than 45° with respect to the vertical.
The section of the flue will remain constant for the
whole of its height.
The chimney cowl must be of the windproof type with
internal section equivalent to the one of chimney and
the passage section of the exhaust smoke at least
twice the one inside the flue pipe.
To avoid inconveniences in forced draft, each furnace
should have its own independent fumes evacuation
system. In case of multiple flues on the roof it is
appropriate that the other are at least 2 meters away
and that the chimney of the fireplace overhands the
others by at least 40 cm. If the chimneys are side by
side, provide partitions.
If the chimney that you want to use for the installation
was previously connected to other stoves or fireplaces,
it is necessary to carry out a thorough cleaning in order
to prevent anomalous operations and to avert the
danger of fire of the unburned matter deposited on
the inner walls of the chimney.
In normal operating conditions the cleanliness of the
chimney should be carried out at least once a year
unless different regulations.
Product images are purely indicative
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004778150 - 18/08/2020