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Start Up the UPS System from Maintenance Bypass Operation

NOTE: Only operate a disconnect device when the associated disconnect device indicator lamp is illuminated.
  1. Close the unit input disconnect device UIB.
    The displays turns on. The rebooting sequence lasts approximately 3 minutes.
  2. Close the bypass backfeed disconnect device BF2 in UPS 1-4.
  3. Close the battery disconnect device(s).
  4. Close the system isolation disconnect device SIB.
  5. Verify that the load is on bypass.
  6. Open the maintenance bypass disconnect device MBB.
  7. From the centralized UPS system display in the I/O cabinet: Select Control > Transfer to inverter operation.
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