14 ACS550 User’s ManualInstallationInstalling the DriveWarning! Before installing the ACS550, ensure the input power supply to thedrive is off.Unpack the Drive1. Unpack the drive.2. Check for any damage and notify the shipper immediately if damaged componentsare found.3. Check the contents against the order and the shipping label to verify that all partshave been received.Prepare the Mounting LocationThe ACS550 should only be mounted where all of therequirements defined in "Preparing for Installation" onpage 7 are met.1. Mark the position of the mounting holes.2. Drill the holes.Note! Frame sizes R3 and R4 have four holes along the top. Use only two. Ifpossible, use the two outside holes (to allow room to remove the fan formaintenance).Note! ACS400 drives can be replaced using the original mounting holes. For R1 andR2 frame sizes, the mounting holes are identical. For R3 and R4 frame sizes, theinside mounting holes on the top of ACS550 drives match ACS400 mounts.Remove Front Cover1. Remove the control panel, if attached.2. Loosen the captive screw at the top.3. Pull near the top to remove the cover.X000213IP200012