52 Rockwell Automation Publication 20Y-TG001C-EN-P - April 2017
Chapter 4 AFE Power Structure Component Section
Remove and Install the Power Structure Fan System
There is one main cooling fan on the power structure. For complete details on
all fan system-related information, see the PowerFlex 700S, 700H, and
700AFE Drive Fan Systems Installation Instructions, publication PFLEX-
IN029, including removal and installation of the following items:
•AC fan inverters
•AC fan capacitors
• AC main cooling fans
•DC fan power supplies
• DC main cooling fans
•Fan fusing
Remove the Power Structure from the Enclosure
To remove the power structure from the enclosure, follow these steps.
1. Remove power from the AFE.
See Remove Power from the AFE
on page 37.
2. If present, remove the protective barriers.
See Remove AFE Protective Barriers
on page 44.
3. Remove the airflow plate.
See Remove the AFE Airflow Plate
on page 45.
4. Remove the DC+ and DC- wires from the fan inverter fuse assembly.
IMPORTANT Power structure removal is required only when the power structure, or its
internal components (power module, DC bus capacitors, balancing resistors,
and so forth) are replaced.
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