Rockwell Automation 7000L PowerFlex 7000 Medium Voltage AC Drive C Frame - Marine - Manual (Page 193)

Component Definition and Maintenance 4-17
7000 ―C‖ Frame - Marine 7000L-UM302B-EN-P – June 2013
1. Ensure there is no power to the equipment.
A T T E N T I O N A T T E N T I O N To prevent electrical shock, ensure the main power
has been disconnected before working on the
current transformer. Verify that all circuits are
voltage free using a hot stick or appropriate
voltage-measuring device. Failure to do so may
result in injury or death.
2. Note the location of all wires and the orientation of the CT. For
quick reference when checking the orientation of the CT, look for the
white dot.
I M P O R T A N T I M P O R T A N T The CT and wires must be in the proper orientation.
Note the position before disassembly.
3. Disconnect the wires.
4. The bus bar must be disassembled to allow removal of the CT.
Remove the M10 hardware to allow the bus bar to slide out.
5. Remove the four screws located in the base of the CT and remove.
6. Replace the CT, ensuring the proper orientation. Fasten the CT
securely with the four screws in the base
7. Reconnect the ring lugs.
8. Replace the bus bar and tighten into place.
Customer Line Terminals
Current Transformers
Figure 4.13 – Line Terminals
Note: Customer terminals shown for bottom cable entry. Terminals
can be removed and re-installed with orientation for top cable entry.
Current Transformer
Replacement