3.2.8 Acoustic Noise or Vibration
If the motor or the equipment driven by the motor - e.g., a
fan - is making noise or vibrations at certain frequencies,
configure the following parameters or parameter groups to
reduce or eliminate the noise or vibrations:
•
Parameter group 4-6* Speed Bypass
•
Set 14-03 Overmodulation to [0] Off
•
Switching pattern and switching frequency
parameter group 14-0* Inverter Switching
•
1-64 Resonance Dampening
Installation Quick Guide
MG18A622 Danfoss A/S © 08/2014 All rights reserved. 25
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