Danfoss VLT 6000 HVAC

VLT
®
6000 HVAC
54
MG.60.B1.02 - VLT is a registered Danfoss trade mark
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■ EMC-correct electrical installation
General points to be observed to ensure EMC-correct
electrical installation:
- Use only screened/armoured motor cables and
screened/armoured control cables.
- Connect the screen to earth at both ends.
- Avoid installation with twisted screen ends
(pigtails), since this ruins the screening effect at
high frequencies. Use cable clamps instead.
- It is important to ensure good electrical contact
from the installation plate through the installation
screws to the metal cabinet of the VLT frequency
converter.
- Use toothed discs and galvanically conductive
installation plates.
- Do not use unscreened/unarmoured motor cables
in the installation cabinets.
The illustration below shows EMC-correct electrical
installation; the VLT frequency converter has been
fitted in an installation cabinet and connected to a
PLC.