Manuali utente per GE General Electric Power Hammer AK-50

Sommario

• SECTION 1. GENERAL INFORMATION

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• SECTION 2. BEFORE INSTALLATION

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• Relocating and Remounting the W and X Relays

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• 1. Relocation and remounting of the W and X relays

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• 2. New X and W relay mounting brackets

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• Installing the Flux Shifter Assembly

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• Breakers with EC or Power Sensor Trip Systems

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• 3. Flux shifter assembly.

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• 4. Pattern for flux shifter mounting holes in the side frame

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• 5. Flux shifter assembly mounted to the side frame.

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• Breakers with a Side Bracket

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• AKU-50 Breakers Only

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• 6. Location of new hole in the flux shifter base

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• 7. Locations of new holes for mounting the OFLO terminal block.

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• Breakers with ECS or SST Trip Systems

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• Installing the Trip Paddle

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• Adjusting the Flux Shifter

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• 8. Existing trip paddles to be removed.

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• 9. Installing the new trip paddle.

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• 10. Adjusting the flux shifter.

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• Installing the Trip Unit Mounting Bracket

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• EC or Power Sensor Trip System

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• ECS or SST Trip System

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• 11. Mounting hole drill pattern for the trip unit mounting plate.

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• 12. Trip unit mounting plate attached to the breaker front channel.

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• 13. Trip unit mounting bracket attached to the mounting plate.

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• Crossbar Modification

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• 14. Actuator bracket attached to the left pole link.

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• 15. Drill pattern for actuator bracket mounting holes.

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• Removing the Existing Trip Devices

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• AK-50 & AKS-50 Breakers with EC or Power Sensor Trip Systems

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• AK-50 & AKS-50 Breakers with SST Trip Systems

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• AK-75 & AK-100 Breakers with EC or Power Sensor Trip Systems

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• AK-75 & AK-100 Breakers with SST Trip Systems

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• 16. Existing EC trip devices before removal.

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• 17. Removal of EC trip devices

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• Installing the Phase Sensors

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• AK-50 & AKS-50 Breakers

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• 18. Parts provided for CT installation per pole.

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• 19. CT post mounted in the breaker back frame

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• AK-75 & AK-100 Breakers

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• 21. Phase sensor installation on AK-75 & AK-100 breakers

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• Configuring the Trip Unit

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• 22. Attaching the trip unit to the mounting plate

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• 23. Trip unit mounted on the breaker.

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• Installing the Fourth-Wire Disconnect

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• AK-50 & AKS-50 Stationary Breakers

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• 24. Fourth-wire terminal board installation on AK-50 & AKS-50 stationary breakers

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• AK-50 & AKS-50 Draw-Out Breakers

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• AK-75 & AK-100 Draw-Out Breakers

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• 25. Fourth-wire disconnect installed on AK-50 & AKS-50 draw-out breakers.

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• 26. Fourth-wire disconnect assembly for AKD-5 or AKD-6 equipment

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• 27. Fourth-wire disconnect assembly for AKD equipment

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• 28. K-75 & AK-100 back frame conversion.

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• Installing the Neutral Sensor

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• 29. Outline of the neutral sensor for AK-50 breakers

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• 30. Outline of the neutral sensor for AK-75 and AK-100 breakers

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• Installing Mounting Brackets

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• 31. AK-50 & AKS-50 fourth-wire disconnect for AKD.

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• 32. AK-75 & AK-100 fourth-wire disconnect for AKD-5 & AKD-6.

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• 33. AK-100 fourth-wire disconnect for AKD.

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• 34. AK-50 & AKS-50 fourth-wire disconnect for AKD.

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• 35. Fourth-wire disconnect for AKD-5 & AKD-6.

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• Testing

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• Trouble-Shooting

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• Nuisance Tripping on Ground Fault-Equipped Breakers

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• 36. Cabling diagram for ProTrip™ trip units with ground fault on four-wire loads.

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• Appendix 1. Drill Template for Flux Shifter Mounting

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• Appendix 2. Drill Template for Trip Unit Mounting

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• Appendix 3. Drill Template for Flux Shifter Mounting

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