Installation Requirements For The Appliance; Definition Of Components Included In The Smoke Evacuation System; Characteristics And Size Of The Smoke Flue To Which The Appliance Must Be Connected; Type Of Smoke Flue - deville C077AP Notice D'installation Et D'utilisation

Fill the holes in the top screens
-
obturators and screws which are in the hearth
ash box.
Remove and reverse the nozzle
-
damper .
- Refit the 2 top screens
Refit the 5 nuts H which are housed in the
-
openings J Fig. 3b.
On the top , place the decorative damper
-
which is in the ash box.
- Refit the rear screen
4 – INSTALLATION REQUIREMENTS FOR
THE APPLIANCE
The installation cannot be modified by the user.
We remind you hereafter of the prior recommendations
to be respected, these will have to be added to the strict
application of the whole DTU 24-2-2.
4.1 – Definition of components included in the
smoke evacuation system(Fig. 4)
4.2 – Characteristics and size of the smoke
flue to which the appliance must be
connected

4.2.1 - Type of Smoke Flue

4.2.1.1 - New Smoke Flue

Use of the following materials:
•
Fireclay flue blocks compilant with French
Standard NF P 51-311
•
Concrete flue blocks compliant with NF P 51-
321
•
Composite metal pipes compliant with NF D 35-
304 and NF D 35-303 or which have received
"Avis Technique" approval (*) for this use
•
Fireclay bricks compliant with NF P 51-301
•
Refractory bricks compliant with NF P 51-302
The use of certified insulating materials means that
on-the-spot insulating
particularly where the chimney stack is concerned
(minimum thermal resistance 0.43 m
4.2.1.2 -

Existing Smoke Flue

The installer is responsible for existing parts. He
should check the condition of the flue and carry out
any work required in order to ensure that it is in
proper working order and compliant with the
regulations in force.
He should sweep the flue and then check the
following very thoroughly :
•
Compatibility of the flue with the intended use ;
•
Stability
•
That the flue is empty and smoke-tight (DTU 24-
1, Appendix II).
using the
and the
and the top .
.
work can be avoided,
2
k/W).
If the flue is not compatible, make a casing using an
approved method "Avis Technique" certificats (*) or
install a new flue.
(*) French assessment and certification system
4.2.2 – Minimum flue section
Square or oblong flue blocks : minimum section 2,5
dm².
Circular flues : minimum diameter 153 mm.
In all cases, the cross section of the pipe must be at
least equal to that of the connecting nozzle on the
appliance.

4.2.3 - General Recommendations

•
A good flue will be built of materials with low heat
conducting properties so that it stays hot.
•
Flue casing should be such as to limit the external
surface temperature to the following :
- 50° C in living areas
- 80° C in non-living or inaccessible areas
•
lt should be completely smoke-tight, stable and
have no rough spots.
•
There should be no sudden changes in section
(slope in relation to the vertical less than 45° ).
•
It should extend at least 0,4 m above the ridge of
the roof and of adjacent roofs.
•
Two appliances should not be connected to the
same flue.
•
The exterior face should be at least 16 cm away
from any wood or combustible materials.
•
Flue blocks should be placed with the male part
towards the bottom so as to avoid any leaks to the
outside.
•
The flue should include no more than two changes
of direction, i.e. no more than one non-vertical
section.
- If the flue is in masonry :
The bend angle should not exceed 45° over a total
flue height limited to 5 m. For any greater height,
this angle should not exceed 20° .
- If it is an insulated metal flue :
The bend angle should not exceed 45° with the
height limited to 5 m between the top and bottom
of the bend. There is no limitation as to total flue
height.
•
Smoke-tightness, insolation, openings in walls or
floors and sale fire distances should all strictly
comply with the provisions of DTU 24-2-2.
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