Precharge Scr Module And Diode - Dc Input Only - Allen-Bradley PowerFlex 700 Installation Instructions Manual

Chapter 3 Component Replacement Procedures
Precharge SCR Module and
Diode - DC Input Only
80
See Chapter 1 - Drive Components
instructions.
Remove Components
1. Read and follow the
Steps on page
2. Perform Remove Main Control Panel on page
3. Perform Remove Stacking Panel on page
4. Locate the Precharge SCR module and Diode to be replaced.
5. Label and remove all DC+ power cables and all connected wires from the
two busbars.
6. Remove the two busbars and carefully set aside.
7. For the Precharge SCR module, remove its connector wire.
8. Remove the SCR module and Diode, and properly discard them.
Install Components
1. Using isopropyl alcohol, thoroughly clean the Heatsink mounting surface
where the SCR module and Diode will be installed.
2. Verify the mounting surfaces of the new SCR module and Diode are clean.
If not, clean with isopropyl alcohol.
Rockwell Automation Publication 20B-IN025B-EN-P - January 2011
to locate the component detailed in these
Safety Precautions on page 8
10.
SCR
and Important Initial
22.
25.
Diode
Busbars