Do not disconnect EMC AC and VAR wires. Do not disconnect ARFI-
10.
Corner-grounded delta systems
Do not install the drive on a corner-grounded system.
Midpoint-grounded delta systems
Do not install the drive on a midpoint grounded system.
IT systems (ungrounded or highresistance-grounded [>30 ohms])
Disconnect EMC AC and VAR wires. Disconnect ARFI-10.
Note: These are the EMC filter and varistor wires.
Ground-to-phase varistor wireEMC filter (+E202) wires
VAREMC AC
96 Electrical installation