ABB EntelliGuard AKD-5 Installation Manual page 4

Cut Power ............................................................................................................................................................................................. 16
Rack Out Legacy Breaker ............................................................................................................................................................. 17
Empty Compartment-Legacy Breaker Removed ............................................................................................................ 17
Check, Clean, Grease Compartment ....................................................................................................................................... 17
Install Position Switch Actuator-AK25 Breaker ............................................................................................ 18
Install Position Switch Actuator-AK50 Breaker ............................................................................................ 19
Racking-Lock Bracket-Initial Tasks ................................................................................................................. 20
Install Cassette (Landed Wires) ......................................................................................................................... 22
Install Lock Bracket .............................................................................................................................................. 24
Install AKD-5 Retrofill Breaker ........................................................................................................................... 26
AK/AKT-50 - Key Interlock........................................................................................................................................34
Secondary Disconnects, Bullets ................................................................................................................................................ 34
Wiring Diagram and Block Info (AK25) ................................................................................................................................... 35
AK25 Wiring Harness, B-Block (AK25/50) .............................................................................................................................. 37
Programmer Secondary Disconnect (Breaker Side-N/A) ............................................................................................ 39
AK25 ................................................................................................................................................................................................... 39
Install Door Interlock System (Breaker Side) ................................................................................................... 40
Neutral Disconnect Assembly (Breaker Side) .................................................................................................. 40
Install AKD-5-Neutral Rogowski Current Transformer (CT) ........................................................................................ 40
Remove Existing Iron Core Neutral CT Assembly .............................................................................................................. 41
Neutral CT assembly in Cable/Bus Compartment: ........................................................................................................... 41
AKD-5-Neutral Sensor Packaging ................................................................................................................... 43
AKD-5-Multi-Source Ground Fault .................................................................................................................. 44
Remove and Replace AKD-5-Existing Door ................................................................................................... 45
Wiring Diagram for the AK/AKR Retrofill ......................................................................................................... 48
Notes ....................................................................................................................................................................... 48
2 EntelliGuard R Circuit Breaker Retrofill AKD-5 Installation Manual DEH-41547