Vortice MF 90 Notice D'emploi page 5

replacement must be sufficient for all appliances
to work effectively together.
• The appliance must either exhaust directly to the
outside or into a short duct (max 400 mm in
length to ensure certified performance).
Efficiency losses will occur if the appliance is
installed in ducting subject to any appreciable
back pressure.
• The appliance cannot be used to control
activation of water heaters, room heaters, etc. nor
must it be connected to the hot air ducts used by
other appliances.
• The air to be extracted from the room must be
clean (i.e. free of grease, soot, chemical and
corrosive agents, and explosive or flammable
mixtures) and must not exceed a temperature of
50°C (122°F).
• Keep the appliance's inlet and outlet grilles free to
ensure an optimum flow of air.
• Install the appliance so that the impeller is
inaccessible from the air outlet side as verified by
contact with the Test Finger, in compliance with
* (or an authorised Service Centre if you live outside the UK or Ireland)
MODELS
A. Standard Model
This model is operated by switching it on by means
of the power switch.
B. Timer Model
This model is equipped with a timer factory-set for
a minimum operating time of 3 minutes. The timer
can be adjuste to settings between approx. 3 and
20 minutes by means of the trimmer (see fig. 14A)..
The appliance switches on automatically a few
seconds after the light is switched on and continues
to run for the set time after the light is switched off.
C. T HCS Model
This model has a preset humidity sensing circuit
that switches it on when the relative humidity
exceeds 65%. The circuit is also equipped with a
the current safety regulations. If this is not
possible, the relevant protection accessory must
be installed.
• T HCS Model: do not cover or obstruct the
humidity sensor grille (fig.19).
• Model PIR: do not cover the lens of the presence
sensor (fig. 19A).
N.B.
If the appliance is installed across a wall and wall
tiling, to ensure correct operation a spacer must
be fitted to compensate for any differences in the
surface levels.
The appliance can also be installed on a ceiling
(except model PIR). For ceiling mounting a
special gasket contained in a kit to be ordered
separately must be used in order to maintain a
protection rating of IPX4.
Do not install the appliance on a ceiling without
first inserting the relevant gasket.
timer that can be adjusted to settings between
approx. 3 and 20 minutes by means of the trimmer
(see fig. 14B). The unit switches on automatically a
few seconds after the light is switched on and
continues to run for the preset period of time after
the light is switched off.
D. Model PIR
The product is equipped with an electronic circuit
with a sensor (PIR), which brings the unit into
operation when it detects the presence of a person
within its range of action (see page 59-60).
This model is equipped with a timer factory-set for
a minimum operating time of 3 minutes. The timer
can be adjuste to settings between approx. 3 and
20 minutes by means of the trimmer (see fig. 14A).
EN
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