Issue:
Disconnecting the EMC filter on the ATV600/900 using a Ungrounded Delta system.

Product Line:
ATV600 ATV900 Process drives

Environment:
Ungrounded Delta or High resistance grounded power systems.

Cause:
N/A

Resolution:
Yes, The older version of the installation manual did not show Ungrounded Delta as a requirement, but that has been updated..
ATV600 series Installation Manual available here: https://www.se.com/us/en/download/document/EAV64301/
ATV900 series Installation Manual available here: https://www.se.com/us/en/download/document/NHA80932/