Description And Use; Cautions; Precautions; Frame - Vortice NA Notice D'emploi Et D'entretien

Impaginato 967 2-03-2005

DESCRIPTION AND USE

Noise attenuators for circular ducts manufactured
from galvanised steel. Circular spigot connections
are available in standard diameters of
100-125-160-200-250-315 mm (DIN 24145).
CAUTIONS - PRECAUTIONS
!

Cautions:

• Do not use the appliance for any application other
than that stated in this booklet.
• After removing the appliance from its packing, make
sure that it is intact: if in doubt consult Vortice*.
Do not leave packing materials within the reach of
!

Precautions:

• Do not make any modifications of any kind to your
appliance.
• The appliance must not be exposed to atmospheric
conditions (rain, direct sunlight, etc.).
• Install the appliance in accordance with the
manufacturer's instructions.
• Do not place objects on the appliance.
• Regularly inspect the appliance to verify that it is
free from defects. If defects are present, turn the
appliance off and contact Vortice*.
• Turn the appliance off and immediately contact
Vortice* in the event of faulty operation and/or
failure. Ask for faulty parts to be replaced with
original ones.
• Immediately contact Vortice* if the product is
dropped or suffers heavy impact.
* (or an authorised Service Centre if you are outside the
UK-Ireland territory)
Notes
• The flow of air or fumes injected into the

FRAME

Internal tube in drilled aluminium sheet spiral with a
thickness of 0.1 mm.
Containment heads in PE film.
Insulation in basalt wool with a thickness of 40 mm.
Heat resistance R = 1.00 m
External tube in aluminium sheet spiral with a
thickness of 0.1 mm.

CONNECTION / ASSEMBLY

The appliance is connected to the system by means
of a forced insertion on two cylindrical fittings in
galvanised steel with circular rubber built-in "T" seals.
12:19 Pagina 5
this symbol indicates caution messages aimed at avoiding personal injury
to the user
this symbol indicates precautions which should be taken to avoid damage
to the product
2 K/W.
children or incapacitated people.
• Do not sit on or place objects on the appliance.
• Have the filters of the noise attenuator serviced and
replaced only by suitably qualified personnel.
appliance must be clean (that is free from grease,
smoke, chemical or corrosive substances or
explosive and inflammable mixtures).
• The NA noise attenuator must be installed on a
ventilation line, upstream or downstream from
the fan, and always upstream from the air heater
(AH), if present, and downstream from the air
filter (AF). To install the air attenuator, it is
sufficient to insert it into the tube (Fig. A).
• The appliance is designed for use in ventilation
systems that specifically require a low overall
noise.
• The appliance is designed to operate indoors
with temperatures ranging from 30 °C to 60 °C,
to convey clean air. It is not suitable for use for
air laden with dirt, grease, smoke, chemical and
corrosive agents.
• It is necessary to make sure that no condensate
circulates or accumulates within the tubes.
• The appliance can be installed by inserting it
into ducting with appropriate dimensions.
• Pressure losses should be calculated in
accordance with the diagram on page 16.
ENGLISH
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