GE Industrial Solutions EntelliGuard R AKD-8 User Manual

Page 3

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

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

AKD-8—Multi-Source Ground Fault ........................................................................................................................................................... 41

Wiring Diagram for the AK/AKR Retrofill.................................................................................................................................................. 42
Notes............................................................................................................................................................................................................................. 43