3.2.8 Acoustic Noise or Vibration
If the motor or the equipment driven by the motor - for example, 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
parameter 14-03 Overmodulation
to
[0] Off
.
•
Switching pattern and switching frequency
parameter group 14-0* Inverter Switching
.
•
Parameter 1-64 Resonance Dampening
.
Installation
Operating Guide | VLT® HVAC Basic Drive FC 101
AQ275641848264en-000101 / 132R0078
38 | Danfoss A/S © 2019.11
Summary of Contents for VLT HVAC Basic Drive FC 101
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