Replacing A Frame R6I/R7I Inverter Module - ABB ACS880-104 Hardware Manual

192 Maintenance

Replacing a frame R6i/R7i inverter 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 (see page 99).
WARNING! Repeat the steps described in section
precautions
Safety instructions for ACS880 multidrive cabinets and modules
(3AUA0000102301 [English]). Ignoring the instructions can cause
physical injury or death, or damage to the equipment.
•
Do not leave the module standing unattended in a vertical position. The module can
cause damage or physical injury if it topples over.
•
Keep your fingers away from the edges of the module when inserting the module into
the cubicle.
•
Only lift the module by its lifting eyes (see drawing on page 32). A lifting device that
can be attached to the cubicle is available from ABB; see page 243.
Refer to the drawings below.
1. Disconnect the drive system from the AC power line.
2. Open the cubicle door.
3. Remove the shrouds. Also remove the mounting brackets of the middle shroud (3a) on
the left.
4. Remove the two screws holding the fan unit (arrowed). Remove the fan unit by pulling
it slightly outwards, then downwards.
5. Remove the mounting screws (arrowed) of the front air baffle. Remove the baffle.
6. 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.
7. Disconnect the DC busbars.
8. Disconnect the AC busbars.
9. 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).
10. Make sure the lifting device is carrying the weight of the module, and pull the module
out completely.
Install the module in reverse order to the above.
on page 146. The complete safety instructions are given in
Electrical safety