Connection Procedure (Frame R8I, Limited Scope Version) - ABB ACS880-207 Hardware Manual

46 Electrical installation

Connection procedure (frame R8i, limited scope version)


The cable lead-through details, and cable connection details are shown in chapter
Terminal and lead-through data for the input power cable
WARNING! Only qualified electricians are allowed to this work. Read the
complete safety instructions of the drive. Ignoring the instructions can cause
physical injury or death, or damage to the equipment.
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
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 lb.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 lb.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
6. Fasten the shroud and swing-out frame.
7. Close the door.
on page 118.
on page 42.
on page 55.