Recycling; Troubleshooting - Nederman Combifab F Bedienungsanleitung

Temperature sensor
Rotation sensor
Frequency converter
Motor (bearings lubrication, etc)
*Some applications require more frequent monitoring.
**According to the manufacturer's instructions.
*** Due to the high dependence between the durability of rubber seals and the environment
and working conditions, the maintence period for the shaft seal can be reduced
**** See "Installation and service manual".
6.3

Recycling

The product has been designed for component materials to be recycled.
Its different material types must be handled according to relevant local
regulations. Contact the distributor or Nederman if uncertainties arise when
scrapping the product at the end of its service life.
Dispose of according to local codes for mixed materials: part material and
dust type.
7

Troubleshooting

When detecting the causes of fan malfunctions, make sure that all precautions
described in this manual are followed to avoid person injury and / or property
damage.
All troubleshooting and fault remedying activities may be performed by skilled
competent staff only with knowledge of the plant function and build-up.
Table 7-1: Trouble shooting guide
Fault
Fan vibrating Fan impeller rotating the wrong way
Dust built up in impeller
Too loose belt tension
Damaged impeller
The fan is incorrect mounted/
installed
Excessive vibrations in V-belt drive
Noise from bearings
Bearings not lubricated
Damaged bearing
Bearings over-heating
Incorrect lubricant in the bearing
V-belts excessively tensioned
Motor over-heating Limited access to the cooling
Incorrect setting of frequency converter
Excessive motor current The fan works with too low
differential pressure
Noise from the inlet Impeller scraping against inlet
Activity
Accessories**
Possible cause
Interchange two of the phases
of the main power connection
Clean the impeller
Adjust the V-belts tension
Change the impeller
Correct as required
Check the belt tension
Lubricate the bearings according to the
instruction manual
Consult Nederman Service Dept.
Lubricate the bearing with the
recommended grease
Adjust the V-belts tension
Change the position or use external motor
cooling
Correction of controller settings parameters
Increase the flow resistance by adjusting
the damper or close some ducts
Check the gap between impeller and inlet
reducer
Combifab F, Combifab FZ
Operating
Month
hour
Solution proposal
QMM020(03)
EN
45