80459-641-01E Model 6 Motor Control Centers
10/2012 Table of Contents
© 1999–2012 Schneider Electric All Rights Reserved
5
ENGLISH
Section 10—Expansion ........................................................................... 92
Ordering Information ................................................................................. 92
Modifying MCC Units ................................................................................ 93
De-Energizing Equipment and
Identifying Unit Type ............................................................................ 93
Modifying Removable Units ................................................................. 93
Modifying Fixed Units ..........................................................................94
Installing Additional MCC Units .................................................................95
Compac™ 6 Units ..................................................................................... 97
Control and Load Wiring ........................................................................... 98
Cable Connection Torque Values ............................................................. 98
Compac 6 Control Unit Installation ............................................................ 99
Section 11—Troubleshooting ............................................................... 100
Section 12—Insulation Resistance....................................................... 104
Thermal Overload Unit Selection ............................................................ 105
Section 13—Circuit Breaker and Fusible Switch Replacement......... 111
Section 14—Installation and Maintenance Log................................... 112
Appendix A—Removal and Installation of Horizontal Bus
Barrier Panels......................................................................................... 113
Removal ............................................................................................113
Installation .........................................................................................114
Fixed Barrier ............................................................................................ 115
Removal ............................................................................................115
Installation .........................................................................................116
Appendix B—Non-Conductive Horizontal Bus Barrier Retrofit Kit ....... 117
Remove Existing Components ................................................................118
Horizontal Wireway Cover .................................................................118
Horizontal Bus Barriers .....................................................................118
Units Below the Topshelf ................................................................... 118
Existing Brackets: 15 in. (381 mm) Deep MCC Only .........................118
Install the Retrofit Kit ............................................................................... 119
Retrofit Brackets and Endcaps ..........................................................119
Bottom Track and Bottom Retrofit Bracket ........................................121
Left and Right Panels ........................................................................122
Installation.................................................................................... 122
Removal (when required) ............................................................ 123
Replace Components .............................................................................. 123
Appendix C—Automatic Vertical Bus Shutter..................................... 124
Introduction ............................................................................................. 124
Installation—Style 1 ................................................................................ 125
Removal—Style 1 ................................................................................... 127
Installation—Style 2 ................................................................................ 128
Removal—Style 2 ................................................................................... 129
Operation—Styles 1 and 2 ...................................................................... 130
Inserting a Unit ..................................................................................130
Removing a Unit ................................................................................130
Appendix D—Technical Support .......................................................... 131
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