ABB ACS880-1604, Hardware Manual

Page: 107 / 222

Maintenance 107
1. Disconnect the drive from the AC power line and DC/DC converter from the energy
storage and obey the instructions in section Electrical safety precautions on page 66 .
See Disconnecting the DC/DC converter with DC switch/disconnector on page 87 .
2. Open the cubicle door.
3. Remove the shrouds (if any).
4. Unplug the terminal block [X50] cable (if any) on top of the module.
5. Unplug fiber optic cables and connector [X53].
6. Remove the two fastening screws in front of the module. Remove the two M12
fastening bolts in the module DC connection, loosen the carriage screws on the DC
flanges and lift the flanges up.
7. Remove the two fastening screws in the lower part of the module.
8. Use a module pull out ramp or other lifting device to remove the module from the
cabinet. If the ramp is used, install it by placing the hooks of the ramp between the
bottom plate and Rittal frame.
9. Pull the module carefully out of the cabinet along the ramp or use any other lifting
device to remove the module.
10. Replace the module:
•
Push the module back in and fasten. Be careful not to break the fastening screws:
tighten the fastening screws of the module to 22 N·m (16.2 lbf.ft) and fastening
bolts of the DC output busbars to 70 N·m (51.6 lbf.ft).
•
Connect the module signal wire set to the module terminal block [X50].
•
Reconnect the fiber optic cables and connector [X53].
•
Remove the module pull-out ramp, attach the shrouds (if any) and close the
cabinet doors.
Lift the module by the upper part only
using the lifting holes at the top!
Mind your fingers! Keep fingers
away from the edges of the front
flange of the module and beware
of the sharp edges when moving
the module!
Support the top and
bottom of the module
while replacing!