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La Nordica Inserto Crystal 80 PRS Manual

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ENGLISH
VENTILATION AND AERATION OF THE INSTALLATION PREMISES
As the product draw their combustion air from the place of installation, it is MANDATORY that in the place itself, a sucient quantity of air is
introduced. If windows and doors are airtight (e.g. built according to energy saving criteria), it is possible that the fresh air intake is no longer
guaranteed and this jeopardises the draught of the appliance and your health and safety.
IMPORTANT: For a better comfort and corresponding oxygenation of environment, the combustion air can be directly withdrawn at the
outside through a junction which is to be connected with a exible pipe. The connection pipe (not furnished) must be at with a minimum
diameter of Picture 11, a maximum length of 4 m and with no more than 3 bends. If there is a direct connection with the outside it must be
endowed with a special windbreak.
There MANDATORY be sucient 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 inlets must meet the following requirements:
• they must be protected with grids, metal mesh, etc., but without reducing the net useful section;
• they must be made so as to make the maintenance operations possible;
• positioned so that they cannot be obstructed;
• 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 replace’s door closed.
The clean and non-contaminated air ow can also be obtained from a room adjacent to that of installation (indirect aeration and ventilation),
as long as the ow takes place freely through permanent openings communicating with the outside.
The adjacent room cannot be used as a garage, or to store combustible material or for any other activity with a re hazard, bathroom, bedroom
or common room of the building.
Ventilation is deemed sucient when the room is equipped with air inlets according to the table:
Appliance categories Reference standard
Percentage of the
net opening section with respect to
the appliance fumes outlet section
Minimum net opening value of
the ventilation duct
Fireplaces UNI EN 13229 50% 200 cm²
Stoves UNI EN 13240 50% 100 cm²
Cookers UNI EN 12815 50% 100 cm²
Installation in premises with re hazards is forbidden. Installation in residential premises in which, in any case, the depression
measured during installation between the internal and external environment is greater than 4 Pa - reference for Italy according to
standard UNI10683.
All national, regional, provincial and municipal laws and standards in force in the country where the appliance is installed must be complied
with.
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 (NO Inserto 50 - NO Inserto 80 High Pressure) suitable to improve the
distribution of heat by ventilation only either of the installation room or of the adjacent local.
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 150 mm (15 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 (re-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).
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 oor 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 diering quantities of air from each
output (see Picture 10).
f) If the space between the upper part of the insert and the lower prole 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 manual CONNECTION AND
MAINTENANCE OF VENTILATION OPTIONAL). As consequence you should arrange a underlying space to collocate it, allowing a proper
air ow and the accessibility for future maintenance.
INSERTO 50V- p30 Crystal: To ease the natural circulation of air (upward movement due to the heating of the same) in the external enclosure
of the stack, it is necessary to remove the underlying semi-blanks (see Picture 10).
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