OPERATING INSTRUCTIONSEaton Power Xpert™ 9395P Sync Control Installation and Operation Manual P-164000502 Rev 1 4-54. Press the LOAD SYNC ENABLE pushbutton to enable the automaticsynchronization control. The pushbutton illuminates when the synchronizationcontrol 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 SYNCENABLE pushbutton and verify that the indicators, including the LOAD SYNCENABLE pushbutton, are off.4.4 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.D A N G E R !Cet onduleur peut générer des TENSIONS MORTELLES. L’installation et l’entretien ne doivent être effectuésque par le PERSONNEL AUTORISÉ. Ne contient AUCUNE PIÈCE REMPLAÇABLE.Periodic inspections of the Eaton 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 Eaton 9395P UPS or 9395 SSBM Installation and OperationManual listed in paragraph 1.3 before beginning maintenance or repairs.MISE EN GARDE!Avant de commencer l’entretien ou des réparations, consultez le chapitre sur l’entretien dans le manueld’installation et d’utilisation de l’UPS 9395 d’Eaton approprié, qui est mentionné au paragraphe 1.3.