990-5910C-001

Start Up from Maintenance Bypass Operation for Single UPS System with Kirk Key Installed

NOTE: Only operate a breaker when the associated breaker indicator lamp is illuminated.
  1. Close the unit input breaker UIB.
    The display turns on. The rebooting sequence lasts approximately three minutes.
  2. Close the static switch input breaker SSIB (if present).
  3. Close the battery breakers.
  4. Select Control > Operation mode > Transfer to bypass operation.
  5. Hold down the SKRU push-button, turn and remove key B from the SKRU interlock.
  6. Insert key B in the interlock for the unit output breaker UOB and turn the key.
  7. Close the unit output breaker UOB.
  8. Open the maintenance bypass breaker MBB.
  9. Turn and remove key A from the interlock for the maintenance bypass breaker MBB.
  10. Insert key A in the SKRU interlock and turn the key to the locked position.
  11. Select Control > Inverter > Inverter on.
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