Manual
Table Of Contents
- VLT® HVAC Basic Drive FC 101
- English US
- Contents
- Introduction
- Safety
- Installation
- Mechanical Installation
- Electrical Installation
- Electrical Installation in General
- IT Mains
- Mains and Motor Connection
- Introduction
- Connecting to Mains and Motor
- Relays and Terminals on Enclosure Sizes H1–H5
- Relays and Terminals on Enclosure Size H6
- Relays and Terminals on Enclosure Size H7
- Relays and Terminals on Enclosure Size H8
- Connecting to Mains and Motor for Enclosure Size H9
- Relays and Terminals on Enclosure Size H10
- Enclosure Size I2
- Enclosure Size I3
- Enclosure Size I4
- IP54 Enclosure Sizes I2, I3, I4
- Enclosure size I6
- Enclosure size I7, I8
- Fuses and Circuit Breakers
- EMC-correct Electrical Installation
- Control Terminals
- Electrical Wiring
- Acoustic Noise or Vibration
- Programming
- Warnings and Alarms
- Specifications
- Index
- English US
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