Owner's manual

PowerFlex® DC Drive - Frame A SCR Modules for Drives with a Power Traces Circuit Board 17
Step 8: Install the Power
Traces Board
Install the Power Traces board in reverse order of removal as detailed in
Step 5: Remove the Power Traces Board
on page 14.
Verify that the connecting wire on the board is placed in the exact location
as previously installed.
Use the following table to determine the proper tightening torque for the
Power Traces board to SCR Modules connections.
Step 9: Install the Pulse
Transformer and Switching
Power Supply Boards
Install the Pulse Transformer and Switching Power Supply boards in reverse
order of removal as detailed in Step 4: Remove the Pulse Transformer and
Switching Power Supply Boards on page 8.
Step 10: Install the Control
EMI Shield and Control
Board
Install the Control EMI Shield and Control board in the reverse order of
removal as detailed in Step 3: Remove the Control EMI Shield and Control
Board on page 6.
230V AC Input 460V AC Input
Part Number Final Torque Part Number Final Torque
SK-20P-S7F44 2.5…4 N•m (22…35.4 lb•in) SK-20P-S7F73 2.5…4 N•m (22…35.4 lb•in)
SK-20P-S7F45 2.5…4 N•m (22…35.4 lb•in) SK-20P-S7F74 2.5…4 N•m (22…35.4 lb•in)
Regenerative drive
Non-Regenerative drive
!
ATTENTION: Each gate lead cable must be connected to the
exact connector from which it was removed on the Pulse
Transformer circuit board or damage to the drive may occur.