3.6.11. Shielding against Electrical NoiseBefore mounting the line power cable, mount the EMC metal cover to ensure best EMC perform-ance.NOTE: The EMC metal cover is only included in units with an RFI filter.3.81: Mount the EMC shield.3.6.12. Line connectionThe line power supply must be connected to terminals 91, 92 and 93. Ground is connected to theterminal to the right of terminal 93.Terminal No. Function91, 92, 9394Line power R/L1, S/L2, T/L3Ground/EarthCheck the nameplate to ensure that the line voltage of the adjustable frequencydrive matches the power supply of your plant.Ensure that the power supply can supply the necessary current to the adjustable frequency drive.If the unit is without built-in fuses, ensure that the appropriate fuses have the correct currentrating.VLT® HVAC DRIVE High PowerInstruction Manual 3. How to InstallMG.11.F1.22 - VLT® is a registered Danfoss trademark. 593
