ABB ACS880-1604, Руководство по оборудованию

Страница: 111 / 222

Maintenance 111
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. If you use a module pull out ramp to remove the module from the cabinet, install it by
placing the hooks of the ramp between the bottom plate and Rittal frame.
5. Unplug the terminal block [X30] on top of the filter module.
6. Remove the two fastening screws in front of the filter module. Unscrew and remove
the bolts on the DC connection.
7. Remove the four fastening screws in the lower part of the filter module.
8. Pull the module carefully out of the cabinet along the ramp or use any other lifting
device to remove the module.
9. Replace the module:
•
Push the module back in and fasten. Be careful not to break the fastening screws:
tighten the fastening screws to 22 N·m (16.2 lbf.ft) and fastening bolts to 70 N·m
(51.6 lbf.ft).
•
Plug the module signal wire set to the terminal block [X30].
•
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!