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Rockwell Automation Allen-Bradley PowerFlex 750-21G Service Manual

Rockwell Automation Allen-Bradley PowerFlex 750-21G
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4 Rockwell Automation Publication 750-TG100B-EN-P - June 2019
Table of Contents
Heatsink Fan Assembly Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Remove the Heatsink Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . 62
Install the Heatsink Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Fan Power Supply Circuit Board Replacement. . . . . . . . . . . . . . . . . . . 64
Remove the Fan Power Supply Circuit Board . . . . . . . . . . . . . . . . 64
Install the Fan Power Supply Circuit Board. . . . . . . . . . . . . . . . . . 65
Potential Earth (PE) Jumper Replacement . . . . . . . . . . . . . . . . . . . . . . 66
Remove the PE Jumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Install the PE Jumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Power Feedback Circuit Board and Bracket Replacement. . . . . . . . . 67
Remove the Power Feedback Circuit Board and Bracket . . . . . . 67
Install the Power Feedback Circuit Board and Bracket. . . . . . . . 70
LCL Filter Capacitor Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Remove the LCL Filter Capacitor. . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Install the LCL Filter Capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Chapter 5
Frame 6 Components Frame 6 Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Remove the Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Remove the Cover from the Chassis. . . . . . . . . . . . . . . . . . . . . . . . . 76
Install the Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Main Control Circuit Board Replacement . . . . . . . . . . . . . . . . . . . . . . 77
Remove the Main Control Circuit Board. . . . . . . . . . . . . . . . . . . . 77
Install the Main Control Circuit Board . . . . . . . . . . . . . . . . . . . . . 80
Stirring Fan Assembly Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Remove the Stirring Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Install the Stirring Fan Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Heatsink Fan Assembly Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Remove the Heatsink Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . 82
Install the Heatsink Fan Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 83
DR and PE-A (EMC & MOV) Jumper Replacement. . . . . . . . . . . . . 83
Remove the DR and PE-A (EMC & MOV) Jumper . . . . . . . . . . 83
Install the DR and PE-A (EMC & MOV) Jumper. . . . . . . . . . . . 84
Fan Power Supply Circuit Board Replacement. . . . . . . . . . . . . . . . . . . 84
Remove the Fan Power Supply Circuit Board . . . . . . . . . . . . . . . . 84
Install the Fan Power Supply Circuit Board. . . . . . . . . . . . . . . . . . 86
Power Feedback Circuit Board and Bracket Replacement. . . . . . . . . 87
Remove the Power Feedback Circuit Board and Bracket . . . . . . 87
Install the Power Feedback Circuit Board and Bracket. . . . . . . . 90
LCL Filter Capacitor Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Remove the LCL Filter Capacitor. . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Install the LCL Filter Capacitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Table of Contents

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Rockwell Automation Allen-Bradley PowerFlex 750-21G Specifications

General IconGeneral
BrandRockwell Automation
ModelAllen-Bradley PowerFlex 750-21G
CategoryDC Drives
LanguageEnglish

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