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  • Customer name

  • SON number

  • Switchboard/MCC number

  • ACB SN

  • ACB model number.

Visual inspection

  • Mounting bracket

  • Anderson plug.

  • Control box.

  • Limit switches.

  • Wiring inspection. comply with the schematic.

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  • Adjust the inner limit.

  • Adjust the outer limit.

  • Rack the ACB in Manually, check if the inner limit activate about 3~4 turns prior going into the connected position.

  • Rack the ACB out manually. Check if the outer limit switch activate as the ACB arrive at the test position.

Motor testing electrically connected only.

  • Connect the motor electrically ONLY. no mechanical connection.

  • Press the Rack in button on the (Local Control Station) LCS. rack the breaker in, check if the motor stop 3~4 turns before the breaker hit the connected position.

  • Rack in LED on.

  • Press the Rack out button on the LCS and manually rack out the ACB with manual handle while the motor is turning. the motor stops as the outer limit is activated.

  • Rack out LED is on.

Testing of Motor connected electrically and mechanically.

  • ACB is in connect position and red LED is on.

  • press closed ACB button on LCS.

  • Closed ACB LED indicator is illuminated on the LCS

  • Attempt to rack out the ACB via LCS. the ACB must not rack out.

  • Press open ACB buton on the LCS.

  • Open LED indicator is illuminated.

  • Press the rack out button on the LCS.

  • ACB to start racking out and stops at the test position with the Green LED indicator is on.

  • Press the close ACB button on the LCS while the ACB is in test position. the ACB closed LED indicator is illuminated.

  • Attempt to rack the breaker in while it is in closed position. it MUST not be able to rack in.

  • Press the ACB open button on the LCS. the open ACB LED must be illuminated.

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