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regulator (butterfly valve).
IMPORTANT: When using metallic pipes, they must be insulated with proper materials (coatings in insulating fibers resistant up
to 600°C) in order to avoid deterioration of walls or of the counter-hood.
Before positioning the insert in the pre-existing fireplace, it is necessary to close the upper internal part of the stack using (properly pre-
drilled) sheet metal or any other kind of fire-resistant material that can support very high temperatures without suffering any damage. (see
Picture 7 at page 42
pos. 1 Inserti).
It is necessary to ventilate continuously the space included between the upper part, the sides of the device and the deflector of the fire-
proofing material of the hood.
For this reason, it is necessary to foresee an intake of air from the bottom (intake of fresh air) and a high output (output of hot air).
Each of these openings must be free and it should not be possible to obstruct it; moreover, they must have a minimum surface of at least
3 dm
(example: 30 x 10 cm grating).
2
In this way, the following targets are achieved:
• a greater safety
• an increase of the heat created by air circulation around the device.
The heat vent grating
(Picture 7 at page 42
always be installed since its function is that of letting the heat collected within the hood (overpressure) flow out into the room.
5.3.
EXTERNAL AIR INTAKE
There MANDATORY be sufficient quantity of air for combustion and re-oxygenation of the room to ensure the device will work properly.
There should therefore be vents letting air in from outside the building and enabling circulation of air for combustion even when the doors
and windows are closed.
•
The air intake must be in a position where it cannot be obstructed.
•
The air intake should communicate with the room in which the device is installed and be protected with a grille.
•
Vents may communicate with adjacent rooms but NOT with garages, kitchens, bathrooms or boiler rooms (FORBIDDEN).
•
Any extractor hoods in the room where the device is installed must not operate at the same time as this could cause smoke to enter
the room, even with the fireplace's door closed.
•
Minimum dimensions (See chapter TECHNICAL DATA)
6. VENTILATION HOOD OR ADJACENT LOCAL
Our products are equipped with tangential fans suitable to improve the distribution of heat through the ventilation exclusively of the
installation room (see chapter SERIES VENTILATION).
On our products, it is possible to install OPTIONAL ventilation kits suitable to improve the distribution of heat by ventilation only either of
the installation room or of the adjacent local (see chapter OPTIONAL VENTILATION KIT).
The product can distribute heated air by natural convection or forced convection by means of a centrifugal fan (OPTIONAL); therefore,
during installation, it is necessary to establish the type of ventilation or convection to be adopted.
The covering of each product is equipped with 2 outputs with a diameter of 120 mm (12 cm) for the connection of pipes resistant to heat.
a)
Perform the drilling on the walls or on the existing hood to allow the passage and the application of the (fire-resistant) hoses with
related openings.
b)
Fasten the pipes by means of clamps to the related collars and openings, after having removed the semi-blanks caps (see
Picture 10 at page
43).
c)
Each pipe must not exceed 1.5 m of length for natural ventilation and 4 m for forced ventilation; it must be insulated with insulating
materials to avoid noise and dispersion of heat.
d)
The openings have to be positioned at a height not lower than 2 m from the floor to avoid that hot air at output meets people. Please
respect the distance of the convection openings according to the local construction norms;
e)
The lengths of the canalization pipes must have the same length to avoid the distribution of differing quantities of air from each
Picture 10 at page
output (see
f)
If the space between the upper part of the insert and the lower profile of the hood is lower than 10 cm, it is necessary to perform a
hole of about 30 x 40 cm on the hood to allow the fastening of the hoses;
g)
The OPTIONAL ventilation kit has to be installed below the appliance in the rear part (see instructions in chapter OPTIONAL kit
ventilation). As consequence you should arrange a underlying space to collocate it, allowing a proper air flow and the accessibility
for future maintenance.
18
pos. 6) has to be installed on the upper part of the hood at about 20 cm from the roof. This must
43).
INSERTI IN GHISA 60 - 70 - 70H49
6090710 - IT-EN-DE-FR
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