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Rockwell Automation Publication 20Y-TG002C-EN-P - April 2017
Chapter 4
AFE Power Structure Component Section
Remove the Power Structure from the Enclosure
To remove the power structure from the enclosure, follow these steps.
1. Remove power from the AFE.
Remove Power from the AFE on page 37
.
2. If present, remove the protective barriers.
Remove AFE Protective Barriers on page 44
.
3. Remove the airflow plate.
Remove the AFE Airflow Plate on page 46
.
4. Remove the DC+ and DC- wires from the Fan Inverter Fuse assemblies.
5. Disconnect the seven fiber-optic cables that are connected to the fiber-
optic adapter board located behind the control assembly (for AFE in
IP20 2500 MCC Style enclosure) or the control frame (for AFE inIP21
Rittal enclosure).
For location of connections, see
Remove the Fiber-optic Adapter Circuit
6. Depending on the enclosure in which the AFE is installed, follow the
appropriate procedure to remove the power structure from the
enclosure.
•
AFE in IP20 2500 MCC Style Enclosure on page 54
.
•
AFE in IP21 Rittal Enclosure on page 57
AFE in IP20 2500 MCC Style Enclosure
If your AFE is in an IP20 2500 MCC enclosure, continue to remove the power
structure with these steps.
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.