ABB ACS880-1607, Руководство по оборудованию

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90 Maintenance
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 42 .
See Disconnecting the DC/DC converter with DC switch/disconnector (F286)
on page 66 .
2. Open the cubicle door.
3. Undo the screws of the shroud in the upper part of the cubicle. Remove the shroud.
4. Unplug the terminal block [X50] on top of the module.
5. Disconnect the two DC busbars on top of the module. Be careful not to drop the
screws inside the module! Make note of the order and position of the screws and
washers.
6. Remove the cover on the fiber optic connectors in front of the module. Unplug the fiber
optic cables [X52, X53]. Move the disconnected wiring aside.
7. C121, marine construction: If a marine support plate is installed in front of the
converter and filter modules, undo the screws that fasten the marine support to the
modules (a). Loosen the screws that fasten the support to the corner posts (do not
remove the screws) (b). Remove the support.
Note: Reinstall the converter and filter module screws (b) before removing the
modules from the cubicle.
8. Remove the two screws that fasten the bottom of the module to the base of the
cabinet.
9. Install the module pull-put ramp: lift the module pull-out ramp against the cabinet base
so that the hooks of the base go into the ramp’s holes.
10. Remove the two fastening screws that fasten the top of the module to the cabinet
frame.
11. Pull the module carefully out of the cabinet along the ramp. While pulling on the
handle, keep a constant pressure with one foot on the base of the module to prevent
the module from falling on its back.
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!
Support the top and bottom
of the module while
replacing!