Rockwell Automation 1512A MV Controllers - 800A One-High Cabinet - Manual (Page 4)

ii Table of Contents
1512A-UM102B-EN-P – June 2013
Common Installation (cont.) Chapter 4
Incoming Line Cable Connections ......................................... 4-4
Hi-Pot and Megger Test ........................................................... 4-5
Start-Up Procedure ................................................................... 4-5
Contactor Inspection ........................................................... 4-5
Preliminary Checks .............................................................. 4-6
Testing Contactor Operation ............................................. 4-6
Typical Wiring Diagrams:
Electrically Held Vacuum Contactor
(with IntelliVAC Control) .................................................. 4-7
Electrically Held Vacuum Contactor
(with Relay Control) ............................................................
4-8
Maintenance Chapter 5
Tool Requirements .................................................................... 5-1
Recommended Torque Values ................................................. 5-1
Door Interlock Circumvention ............................................... 5-2
Power Lockout Procedure ........................................................ 5-3
Fuse Removal and Replacement .............................................. 5-6
Bolt-on Fuse removal/installation ...................................... 5-8
Contactor Maintenance ........................................................... 5-8
Removing the Contactor .......................................................... 5-9
Contactor Interlock Rod Adjustment .................................... 5-11
To Reduce the Gap Distance ............................................... 5-12
To Increase the Gap Distance ............................................. 5-12
Isolation Switch Mechanism Inspection and Lubrication .... 5-13
Isolation Switch Mechanism Grounding Adjustment .......... 5-16
Auxiliary Contacts Inspection and Replacement .................. 5-17
Isolation Switch Auxiliary Contacts ....................................... 5-19
Adjusting the Normally Open (ISa) Contact .................... 5-19
Adjusting the Normally Closed (ISb) Contact ................. 5-20
Adjusting the Change-of-State Point ................................. 5-20
Emergency Circumventive Procedure for Power Cell
Entry 5-21
Installing the Z-clip with Isolation Switch Handle in
the OFF Position ..................................................................
5-23
Installing the Z-clip with Isolation Switch Handle
in the ON Position .............................................................. 5-23