Multifan V-FloFan, Руководство по установке, Страница: 9 / 44

V-FloFan
INS00008-B Original instructions ENGLISH | 9
Fault Possible cause Possible remedy
Fan rotates in wrong direction 1~ fan motors: capacitor incorrectly connected Connect according to wiring diagram (contact sup-
plier)
3~ fan motors: supply incorrectly connected Swap any 2 of the 3 phases of the supply
Fan speed (rpm) is too low Supply voltage is too low Check the power supply
Incorrect supply frequency Check the power supply
Only for 1~ fans: wrong or defective capacitor Replace the capacitor
Only for 3~ fans: STAR instead of DELTA connec-
ted Connect as DELTA
Check wiring diagram!
3~ fan motors: Phase failure Restore all 3 phases
High power consumption Fan is overloaded Check for overloading of the fan system (intake or
exhaust blocked?)
Fan speed is too high Check the supply voltage and frequency
Unusual or excessive noises Impeller hits fan housing Check the installation and fixings and alignment
Fan is operating in stall point Lower the system resistance
(Intake or exhaust blocked)
Bearings are damaged or worn Replace the bearings
Unusual or excessive noises Only for 1~ motors with start capacitor: Start capa-
citor does not disengage after motor has started
(continuously on) Replace the start capacitor
Detailed repair and replacement instructions are available from your supplier
or Vostermans Ventilation B.V.
It is highly recommended to use genuine parts only for service and repairs.
9 End of life
Disposal
At the end of the life of this fan, dispose of it properly in accordance with
regulations that apply in your area.
Recycling
The main materials used in the electric motor are copper, steel and
aluminium.
Most of the fan parts have the recycling symbol with material code listed on
them to facilitate proper recycling. Some parts are made of easy to identify
materials such as steel, and have no recycling symbol on them.
Symbol Material
Polypropylene
ABS (Acrylonitrile butadiene styrene)
Polyamide
Glass fibre reinforced polypropylene
Aluminium