4
• The air exhaust fan is an IPX4
and protection class II device. The fan
can be installed in indoor moisture
Zone 2, in accordance with PN-IEC
60364-7-701, provided that the
following requirements from the air
exhaust fan manufacturer are complied
with:
1 - the correct installation in a ceiling or
wall position is maintained with a proper
seal of the power supply line in the
grommet (see Section “Installation”)
2 - the air exhaust duct is secured by
a cover from direct exposure to water
per IPX4 and direct access to live and/
or rotating parts, including the fan rotor
in motion; or the air exhaust duct is at
least 800 mm long and installed with
special tools which will be required
to access the air exhaust fan for
servicing.
• The air exhaust fan must be operated
according to its intended use and within
the performance limits specified on the
nameplate.
• Connect the air exhaust fan to the
building mains (electrical system) with
the following power cable: NYM-O 2x1.5
outer diameter 7.5 mm, depending on the
optional accessories provided.
• Do not use the fan to handle the air
with the following content:
- viscous contaminants prone to
deposition in the air exhaust fan,
- corrosive contaminants which may
degrade the air exhaust fan,
- flammable contaminants, including gas,
vapours, mists or particulates which may
form explosive mixtures with air.
• The devices equipped with ball
bearings are designed for a minimum
operating life of 30,000 hours in
S1 duty cycle at the maximum power
output and the maximum ambient
temperature.
• The control system must prevent
extremely frequent power cycling.
Transport and storage
• Keep the fans in their original
packaging in a dry, sheltered room.
• The transport and storage ambient
temperature limits are -20 °C to +40 °C.
• Protect against impact and shocks.
Transport the fan in its original
packaging.
• If the storage time exceeds 1 year, the
motor bearings of the fan must be tested
by turning the fan rotor by hand before
installation. The fan rotor must run
smoothly.
• Dispose of the fan at the end of its
operating life strictly in accordance with
environmental protection and waste
management laws.
• Should it occur, damage caused by
improper transport, handling, storage or
commissioning will be demonstrated and
is not on warranty.
ACCESSORIES
Available optional accessories:
Terminal block (standard version,
no part index suffix). Connect the air
exhaust fan with the terminal block as
shown in the electrical wiring diagram,
see Fig. 2. The air exhaust fan is started
and stopped by a separate on/off switch
installed in the power supply line of
the building (and not included with the
product). Stop delay timer (part index
suffix ‘T’). Connect the air exhaust fan
with the stop delay timer (a stop delay
switch) as shown in the electrical wiring
diagram, see Fig. 3. The stop delay time
can be set with a potentiometer knob on
the electronic module of the stop delay
timer. The minimum stop delay time is set
at 3 min. with the potentiometer knob
rotated counter-clockwise to stop. Turn
the potentiometer knob clockwise to
set a longer stop delay time accordingly.
The maximum stop delay time setting is
30 min. The stop delay time is adjusted
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