ABB ACS880-207, Hardware Manual

Page: 50 / 148

WARNING!
With aluminum cables, apply grease to stripped conductors before attaching them
to non-coated aluminum cable lugs. Obey the grease manufacturer’s instructions.
Aluminum-aluminum contact can cause oxidation of the contact surfaces.
1. Disconnect the drive from the AC power line and make sure it is safe to start the work.
See section Electrical safety precautions (page 46)
2. Open the cubicle door.
3. Undo the locking screws at the edge of the swing-out frame (2a) and open the frame
(2b).
4. Undo the screws of the shroud in the lower part of the cubicle. Lift and remove the
shroud.
5. Lead the cable in, strip and connect:
• Twist the cable shield to bundle and connect to cabinet PE (ground) busbar with a
cable lug. Tightening torque is 70 N·m (52 lbf·ft).
• Connect any separate ground conductors/cables to the cabinet PE (ground) busbar.
• Connect the phase conductors to the input power terminals with cable lugs. Tightening
torque is 70 N·m (52 lbf·ft).
Note: Before fastening the shroud and swing-out frame, connect the control cables
if any. See section Connecting the control cables for the supply unit (page 57) .
6. Fasten the shroud and swing-out frame.
7. Close the door.
2a 2b
50 Electrical installation