Removing the fan carriage of an inverter module
Refer to the drawings below.
WARNING!
Obey the safety instructions given in ACS880 multidrives cabinets and
modules safety instructions (3AUA0000102301 [English]). If you ignore
the safety instructions, injury or death, or damage to the equipment
can occur.
If you are not a qualified electrical professional, do not do installation
or maintenance work.
1. Do the steps in section Electrical safety precautions (page 44) before you start
the work.
2. Open the inverter module cubicle door.
3. Remove the screws holding the front cover plate. Lift the cover plate somewhat
to release it.
4. Disconnect the wiring at the top of the fan carriage.
5. Remove the two screws at the bottom of the fan carriage.
WARNING!
Before you proceed, make sure that the two screws holding the top of the
inverter module are in place.
6. Remove the two screws at the top of the fan carriage. (During reassembly, tighten
these screws to 22 N·m [16 lbf·ft].)
Note: Units with marine or seismic design have an additional transverse bracket
that is attached to the module with these screws. At this point, loosen the retaining
screws of the bracket at the left and the right ends and remove it. (During
reassembly, tighten the bracket retaining screws to 9 N·m [6.6 lbf·ft].)
7. Pull the fan carriage out.
8. Repeat the procedure for other fan carriages in the same cubicle.
54 Electrical installation
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