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length of time.
• Maintenance/Cleaning: On a yearly basis, have
professionally qualified personnel check the level of
grime that has accumulated. If necessary, use a dry
cloth or a brush to clean the control components and
fan blades. Water should only be used to clean the
adjustment vents. Do not immerse the appliance in
water or other liquids.
• Check that the air intake section, situated towards
the outside, is clear.
• The flow of air or fumes to be carried outside must
be clean (that is free of grease, soot, chemical and
corrosive agents, and explosive or flammable
mixtures).
• The appliance must not be used to activate water
heaters, room heaters, etc. and it must not discharge
into the hot air ducts of such appliances.
• Keep the appliance's intake and outlet grilles free to
ensure an optimum flow of air.
• Specifications for the power supply must correspond
to the electrical data on data plate A (fig.3).
An omnipolar switch with a
•
contact opening distance of 3
mm
or
higher
provided
enabling
disconnection under overvoltage
category III conditions.
Products equipped with three-
phase
wiring
ALWAYS require connection to
380-415V (or only 400V where
required) threephase lines, or
also 220-240V (or only 230V
where required). Any kind of
modification shall be considered
as product tampering and shall
nullify the relative warranty.
Products equipped with single-
phase
wiring
ALWAYS require connection to
220-240V (or only 230V where
required) single-phase lines. Any
kind of modification shall be
considered
tampering and shall nullify the
relative warranty.
Operating Principles
Air is extracted from the areas involved by connecting
the Vort Leto Mev to ducting vents placed in "damp"
areas of the home. The volume of air to be extracted
should
for
installation,
complete
(T)
engines
(M)
engines
as
product
is set by moving adjustable vents and depending upon
the set speed. Incoming fresh air, on the other hand,
enters via specific vents (e.g. grilles) positioned on the
walls or windows of "lived-in" areas.
Vort Leto Mev HCS is designed to ensure comfort in
the home with the least possible use of electricity.
Instructions for use
3 alternative operating speed settings available, Min,
Med, Max, started/stopped using the external switch
(diverter).
The product is also equipped with two relative humidity
sensors (pre-installed on-board the machine and to be
set on kitchen and bathroom the air inlets).
The value read by the device sensors relates to the air
suctioned into the two rooms serviced by the product
(bathroom and kitchen).
• If at least one or both probes exceed the threshold
level set by the dip switch during the installation (i.e.
60%, as factory default), the internal regulator
automatically sets the Vmax speed for the motor for 10
be
minutes (fixed, not settable).
• After the 10 minutes, the speed goes automatically
back to the previously set value, holding there for at
least 10 minutes, regardless of the humidity values
measured by the sensors.
Maintenance/Cleaning
Appliances in the Vort Leto Mev range do not need
scheduled maintenance work. Depending upon the
degree of pollution in the areas served by the units,
you are recommended to have the inside of the
appliances cleaned every 3/4 years (to be carried out
by a qualified technician)
(see INFORMATION FOR THE INSTALLER)
Information for the Installer
INSTALLATION
Appliances in the Vort Leto Mev HCS range are
compatible with installation in differing types of
buildings whether new or existing. They can be
mounted vertically, horizontally or inclined, in false
ceilings, on mezzanines, on ceilings, etc. The
appliance can be fixed in position by using the slots on
the base.
During the installation procedure, the instructions in
this booklet must be followed carefully and all current
legislation complied with:
NB: before carrying out any
operation it is necessary to
disconnect the power supply.
NB: in the case of speed settings
using a trimmer, precautions must
be taken against the possibility of
electric
shock.
Adjustment
13
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