INSTALLATION
7
• The fan must be installed according to the air direc-
tion label on the fan.
• The fan must be connected to duct or equipped with
a safety grille.
• The fan should be installed in a safe way and make
sure that no foreign objects are left behind.
• The fan should be installed in a way that makes ser-
vice and maintenance easy. N.B.! Consider the
weight and size of the fan.
• The fan should be installed in a way that vibrations
not can be transfused to duct or building. To provi-
de this, use for example a flange.
• Electrical installations must be made by an authori-
zed electrician.
• See Wiring diagram at the lid of the junction box.
• Electrical installation must be connected to a local-
ly situated isolator switch or by a lockable main
switch.
• Control that the fan is installed and connected elec-
trically in the right way, grounded and with motor
protection.
• For single phase fans a residual current device i used
(type A).
• For 3-phase fans a residual current circuit breaker is
used (type B).
AC-MOTOR
• For speed regulation of AC motor a transformer or
thyristor can be connected.
• The AC motor has a built-in thermal contact.
• The capacitor has finite lifetime and should be
exchanged after 45.000 operation hours (about 5
years of operation) to secure maximum function.
Defective capacitor can cause damage.
ENGLISH
WARRANTY
MAINTENANCE
OPERATION
For technical data please see the product label.
Before starting, make sure that:
• the current does not exceed more than +5% of what
is stated on the label.
• the connecting voltage is in between +6% to –10%
of the rated voltage.
• no noise appears when starting the fan.
The warranty is only valid under condition that the
fan is used according to this “Directions for use” and
a regular maintenance has been made and record. The
warrantor is responsible only for the operation if app-
roved accessories are used. The warranty does not cover
product failures caused by accessories/equipment from
other manufacturers.
• Before service, maintenance or repair begins, the fan
must be tension free and the impeller must have
stopped.
• Attention, look out for sharp edges and corners.
• Consider the weight of the fan when removing or
opening larger fans to avoid jamming and contu-
sions.
• When cleaning and maintaining, the fan always have
to be secured when open, so it can’t fall down and
cause injury.
• The fan must be cleaned when needed, at least once
a year to maintain the capacity and to avoid unba-
lance which may cause unnecessary damages on the
bearings.
• When cleaning the fan, high-pressure cleaning or
strong dissolvent must not be used. Cleaning should
be done without dislodging or damaging the impel-
ler.
• The fan bearings are maintenance-free and should
be renewed only when necessary.
• Notice the weight of the fan when closing after
inspection/cleaning.
• Mount back all details in reverse order. Check that
the fan is closed and locked before starting.
• Make sure that there is no noise from the fan.
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