ABB ACS880-107, Hardware Manual

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4. Remove the air baffles above (4a) and below (4b) the module.
„
„
4
a
4
b
4
a
4
b
5. Disconnect all cabling from the module. Move the cables aside.
6. Secure a good grip on the module to prevent it from falling out, and remove the four
mounting nuts and screws of the module (two at the top edge, two at the bottom edge).
7. Pull the module out along its rails.
Reinstall the module in reverse order to the above.
￭ Replacing R6i and R7i inverter modules
WARNING!
Read the safety instructions given in Safety instructions for ACS880
multidrive cabinets and modules (3AUA0000102301 [English]). If you
ignore them, injury or death, or damage to the equipment can occur.
Note: A lifting device is available from ABB. See Converter module lifting device for drive
cabinets hardware manual (3AXD50000210268 [English]).
1. Stop the drive and do the steps in section Electrical safety precautions (page 57) before
you start the work.
2. Remove the shrouds.
3. Remove the air baffle at the top of the module (6 screws, arrowed).
4. Detach the wiring from the inverter control unit.
5. Remove the fan(s) as advised under Replacement of module fan(s) (frames R6i and
R7i).
6. Remove the two screws holding the module at the bottom (a).
7. Remove the two screws holding the module at the top (b).
8. Disconnect the AC busbars by removing the three screws (c).
9. Disconnect the DC busbars by removing the two screws (d).
10. (Frame R7i only) Disconnect the charging resistors (if present).
116 Maintenance