Instruction Manual

6 Rockwell Automation Publication 2100-IN012E-EN-P - February 2012
Table of Contents
Chapter 5
Arc Flash Protection Marking
as Required by the National
Electrical Code
Flash Protection Marking Requirement . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Arc Flash Marking Clarification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Rockwell Automation Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Chapter 6
Operator Handle and Unit
Interlock
Defeating the Unit Door Interlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Defeating the Unit Interlock Lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Locking Provisions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Chapter 7
Final Checklist Before
Energizing
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Pre-energizing Check Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Perform the Pre-energizing Check Procedure . . . . . . . . . . . . . . . . . . . . . . . 74
ArcShield Components Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
SecureConnect Unit Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Required Minimum Electrical Spacing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Chapter 8
Energizing the Equipment
Energize the Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Chapter 9
Maintenance
Maintain the MCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Disconnect Switch and Contact Lubrication. . . . . . . . . . . . . . . . . . . . . . . . 95
Use Thermal Infrared or Other Temperature Measurement
Techniques for Preventive Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Chapter 10
Maintenance After Fault
Condition
Maintain the MCC After a Fault Condition. . . . . . . . . . . . . . . . . . . . . . . . 99
Chapter 11
Renewal Parts
Order Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Chapter 12
Parts Illustrations
Typical Section Construction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Typical Construction of a Unit with a Vertical Operating Handle . . . 104
Typical Construction of a Half Space Factor Unit with a Horizontal
Operating Handle and Door Mounted Pilot Devices . . . . . . . . . . . . . . . 105
Typical Construction of a Unit with a Horizontal Operating
Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107