3.6.10 Shielding against Electrical Noise
Before mounting the line power cable, mount the EMC metal cover to ensure best EMC performance.
NOTE: The EMC metal cover is only included in units with an RFI filter.
Figure 3.47: Mount the EMC shield.
3.6.11 Line connection
The line power supply must be connected to terminals 91, 92 and 93. Ground is connected to the terminal to the right of terminal 93.
Terminal No.
Function
91, 92, 93
94
Line power R/L1, S/L2, T/L3
Ground/Earth
Check the nameplate to ensure that the line voltage of the adjustable frequency drive 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 current rating.
3 How to Install
VLT
®
Automation Drive FC 300
Instruction Manual High Power
3-50
MG.33.U2.22 - VLT
®
is a registered Danfoss trademark
3