Bedienungsanleitung La Nordica Inserto Crystal 50V P30 (Seite 25 von 96) (Deutsch, Englisch, Französisch, Italienisch, Spanisch)

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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IMPORTANT: For a better comfort and corresponding oxygenation of environment, the combustion air can be directly withdrawn at the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).

La Nordica Inserto Crystal 50V P30 Seite 25

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