What needs to be done to the ATV320 drive if you are using a ungrounded IT system?

Issue:
ATV320 needs to use unground IT systems

Product Line:
Altivar Machines, Altivar 320

Environment:
All models and serial numbers

Cause:
IT ungrounded system

Resolution:
See the attached document IT grounding ground screw removal.pdf for the 230V drives, 400/460V B version drives and 400/460V C  version drives 4.0 kW and smaller.
For ATV320U55N4C - ATV320D15N4C see attached document IT_Jumper_ATV320_N4C.pdf

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