13
ENGLISH
THE FLUE:
Further to the general prescriptions for the fumes duct
and fl ue, the fl ue
:
• must serve solely to exhaust fumes
• must be correctly sized to satisfy the requirements
of fumes exhaust (EN 13384-1)
• should preferably be insulated, in steel with a
circular internal section. If rectangular, the corners
must have a radius of not less than 20 mm, with a
ratio of the internal dimensions of <1.5
• must normally be at least 1.5 metres in vertical
length
• must have a constant cross section
• must be waterproof and thermally insulated to
ensure a good draw
• must preferable have a collection chamber for
• If pre-existing, must be clean, to prevent the fi re
hazard.
• in general, we recommend fi tting a tube inside the
existing masonry chimney if its diameter is greater
than 150 mm.
INTUBATED SYSTEM:
Further to the general prescriptions for the fumes duct
and fl ue, the intubated system:
• must operate in negative pressure;
• must be open to inspection
• must observe local regulations.
THE CHIMNEY POT
• must be windproof
• must have an internal cross section equivalent to
that of the fl ue and a fumes outlet at least double
that of the interior of the fl ue
• for dual fl ues (which should be spaced at least 2
m apart) the chimney pot receiving the fumes from
the solid fuel appliance or that from the higher
storey, must be at least 50 cm higher than the other
• it must extend beyond the back fl ow zone (in Italy,
refer to UNI 10683 point 6.5.8.)
• it must allow for maintenance of the chimney
EXTERNAL AIR INTAKE
In general, we suggest two ways for ensuring a proper
fl ow of combustion air.
Indirect air intake
Install an intake at fl oor level with effective area (net of
the mesh or other protective equipment) of at least 80
cm
2
(10 cm dia.).
To prevent draughts, we recommend installing the
intake behind the stove or behind a radiator.
Installing it in front of the appliance will create
unpleasant draughts.
Direct air intake
Install an air intake of effective area (net of the mesh or
other protective equipment) at least equal to that of the
air intake at the back of the product.
Connect the air intake to the appliance’s air intake with
a tube (which may also be fl exible).
We recommend not exceeding a 5 m length and
curving the tube at most 3 time, depending on the
draw of the fl ue.
The air maty be drawn from an adjacent room only if:
• the fl ow is taken from permanent and unobstructed
openings communicating with the outdoors;
• the adjacent room is never in underpressure
relative to the outdoors;
• the adjacent room is not a garage. subject to fi re
hazard, a bathroom or bedroom
• the adjacent room is not a shared room in the
condominium.
INSTALLATION
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