GE Industrial Solutions EntelliGuard R AKD-8 - Manual (Page 3)

2 EntelliGuard R Circuit Breaker Retrofill AKD-8 Installation Manual DEH-41549 02/12
Check Before Installing....................................................................................................................................................................................... 15
Clean and Grease Breaker................................................................................................................................................................................ 15
Modify Retrofill........................................................................................................................................................................................................ 17
Modify AKD-8—AKR30S Switchgear Compartment, Only................................................................................................................ 17
AKD-8—Remove Glastic Sheet..................................................................................................................................................................... 18
AKD-8—Modify Bracket ................................................................................................................................................................................... 18
Install AKD-8—Retrofill ....................................................................................................................................................................................... 19
AKD-8—Racked-In.............................................................................................................................................................................................. 22
AKD-8—Install Accessories............................................................................................................................................................................... 23
AKD-8—Secondary Disconnects, Bullets................................................................................................................................................. 23
Procedures ....................................................................................................................................................................................................... 24
Wire Secondary Disconnect Assembly—AKR30/30H/50/50H/30L/30S .............................................................................. 26
AKD-8—Programmer Disconnects............................................................................................................................................................. 27
Procedures ....................................................................................................................................................................................................... 27
Wiring and Completion............................................................................................................................................................................... 30
AKD-8—Primary Disconnects (Contacts) or “Fingers” ....................................................................................................................... 30
Remove and Replace................................................................................................................................................................................... 31
Mechanical Views ......................................................................................................................................................................................... 33
AKD-8—Position Switch Actuator ............................................................................................................................................................... 34
AKD-8—Shutter Actuation.............................................................................................................................................................................. 35
Install Door Interlock System.......................................................................................................................................................................... 35
AKD-8—Key Interlock........................................................................................................................................................................................ 36
Modify AKD-8—Switchgear Compartment............................................................................................................................................. 37
Cut Power to AKD-8—Switchgear.......................................................................................................................................................... 37
Rack Out AKD-8—Legacy/Existing CB ................................................................................................................................................. 37
Check, Clean, Grease AKD-8—Compartment .................................................................................................................................. 37
Install New Door ................................................................................................................................................................................................. 37
Install AKD-8—Neutral Rogowski Current Transformer (CT) ......................................................................................................... 38
AKD-8—Neutral Disconnect Assembly..................................................................................................................................................... 38
AKD-8—Neutral Disconnect Assembly, Bus Compartment............................................................................................................ 38
AKD-8—Rogowski Assembly Part Numbers........................................................................................................................................... 39
AKD-8—Rogowski Assemblies, Mechanical Views.............................................................................................................................. 39
Procedures ............................................................................................................................................................................................................ 40
AKD-8—Multi-Source Ground Fault ........................................................................................................................................................... 41
Wiring Diagram for the AK/AKR Retrofill.................................................................................................................................................. 42
Notes............................................................................................................................................................................................................................. 43