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Rockwell Automation 20P PowerFlex DC Drive - Frame A SCR Modules for Drive w/Power Traces Circuit Board User Manual

Page 8

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PowerFlex® DC Drive - Frame A SCR Modules for Drives with a Power Traces Circuit Board

Step 4: Remove the Pulse
Transformer and Switching
Power Supply Boards

Note: The Switching Power Supply circuit board is secured to the back of
the Pulse Transformer circuit board.

1. Remove the slotted air flow plate from the top of the drive.

For 38A/10 HP and 55A/15 HP drives with 230V AC input and
35A/20 HP, 45A/25 HP, and 52A/30 HP drives with 460V AC
input, remove the four screws that secure the slotted air flow plate
to the top of the drive, remove the fan cable from connector XV on
the Switching Power Supply board and remove the plate.

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Remove screws