Replacing R6i/R7i module
The following procedure describes the replacement of a frame R6i or R7i inverter module.
The procedure applies to the design presented in this manual.
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.
Refer to the drawings below.
1.
Stop the drive and do the steps in section Electrical safety precautions (page 144) before
you start the work.
2. Disconnect the drive system from the AC power line.
3. Open the cubicle door.
4. Remove the shrouds. Also remove the mounting brackets of the middle shroud (3a) on
the left.
5. Remove the two screws holding the fan unit (arrowed). Remove the fan unit by pulling
it slightly outwards, then downwards.
6. Remove the mounting screws (arrowed) of the front air baffle. Remove the baffle.
7. Disconnect all control cabling coming to the control unit at the front of the module.
Move the cabling aside and tie it out of the way.
8. Disconnect the DC busbars.
9. Disconnect the AC busbars.
10. Pull out the module until the lifting device (or a suitable hoist) can be attached to the
lifting eyes at the top of the module (arrowed).
11. Make sure the lifting device is carrying the weight of the module, and pull the module
out completely.
12. Install the module in reverse order to the above.
Maintenance 189
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