Eaton Powerware 9390 Installation And Operation Manual

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POWERWARE SYNC CONTROL OPERATING INSTRUCTIONSEATON Powerware® 9390 and 9395 Sync Control Installation and Operation Manual 164201571 Rev E www.powerware.com 4−54. Press the Load Sync Enable pushbutton to enable the automatic synchronizationcontrol. The pushbutton illuminates when the synchronization control is enabled.NOTE If both systems are operating normally, the Active Master Source green indicator illuminates for theselected master synchronization source.NOTE If one system is in bypass, the Active Master Source green indicator illuminates for the system inbypass, regardless of the position of the Preferred Source Selector switch.NOTE If one or both of the systems lose their bypass sources or if the bypass sources are no longer insynchronization, the yellow Synchronized To Load indicator illuminates for the non−master system.5. To disable the automatic synchronization control, press the Load Sync Enablepushbutton and verify that the indicators, including the Load Sync Enablepushbutton, are off.4.4 Customer MonitoringThe operating status of the Powerware Sync Control is available for the customer’sremote monitoring system using dry relay contacts connected to the TB1 terminalstrip. Status of the following Powerware Sync Control conditions are provided: UPS System−A Active Master Source UPS System−B Active Master Source UPS System−A Synchronized to Load B UPS System−B Synchronized to Load A Load Sync Enabled4.5 Maintenance OperationsMaintenance should be scheduled on a periodic basis, recommended not to exceedone year. More frequent intervals are recommended if the equipment Is subjected tohighly repetitive operations.D A N G E RThis UPS contains LETHAL VOLTAGES. All repairs and service should be performed by AUTHORIZEDSERVICE PERSONNEL ONLY. There are NO USER SERVICEABLE PARTS inside the UPS.Periodic inspections of the Powerware Sync Control should be made to determine ifcomponents, wiring, and connections exhibit evidence of overheating or damage.C A U T I O NRefer to the maintenance chapter in the applicable Powerware 9390 or Powerware 9395 UPS Installation andOperation Manual listed in paragraph 1.3 on page 1−4 before beginning maintenance or repairs on the UPS.