VLT Installation
Rev.02
18
North America
Motion Controls
Confidential / Property of Danfoss Drives A/S
Check Motor Wiring
• Remove all power correction capacitors between drive and
motor
• 2-speed motors (Star-Delta) must be wired for full speed
• Part-winding start motors, must be wired for run.
• Check motor wiring to see if it is the same voltage as VLT.
3) Pre-Installation Checks
i. Motor Wiring
3) Pre-Installation Checks
i. Check Motor Wiring
Insure that there are no power correction capacitors between the drive and the
motor. These types of capacitors must always be located on the incoming power to
the drive, never the output of the drive.
If you are using the drive on a 2-speed motor, always use the “run” wiring
configuration, never use the “start” wiring.
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