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M A I N T E N A N C E
1.
Make sure that there is tension to the fan.
2.
Cut the tension and verify that the impeller is not
blocked.
3.
Check the thermo-contact/motor protector. If it is
disconnected the cause of overheating must be
located and taken care of.
4.
’LPK’ is equipped with
automatic
thermo-protector
which resets automatically when the motor is back
in normal working temperature.
5.
Make sure that the capacitor is connected accor-
ding to the wiring diagram.
6.
If the fan still does not work, the first thing to do is
to change the capacitor.
7.
If nothing of this works, contact your fan supplier.
8.
If the fan is returned to the supplier, it must be
cleaned, the motor cable undamaged and a detailed
nonconformity report enclosed.
F A U L T D E T E C T I O N
• Use this unit only in the manner intended by the
manufacturer. If you have any questions, contact
your manufacturers representative.
• Before service and cleaning of the unit, switch off
the power at the service panel and lock the service
disconnecting means to prevent power from being
switched on accidentally. If the service disconnec-
ting means cannot be locked, securely fasten a pro-
minent device, such as a tag, to the service panel.
• Consider the weight of the fan when removing lar-
ger fans to avoid jamming and contusions.
• The fan must be cleaned when needed, at least
once per year to maintain the capacity and to avoid
unbalance which may cause unnecessary damages
on the bearings.
• The fan bearings are maintenance-free..
• When cleaning the fan, high-pressure cleaning or
strong dissolvent must
not
be used. Cleaning
should be done without dislodging or damaging the
impeller
.
• Make sure that there is no noise from the fan.
WARNING! TO REDUCE THE RISK OF FIRE, ELECTRICAL SHOCK OR INJURY TO PERSONS,
OBSERVE THE FOLLOWING:
If repair must be made to the product, it has to be performed by a qualified maintenance person.
1270140_LPK_UL_utg1.qxp 2009-09-04 10:23 Sida 3