UNDERSTANDING UPS OPERATIONEaton 9395 UPS (450–825 kVA) Installation and Operation Manual 164201725 Rev 4 www.eaton.com/powerquality 6-33NOTE Callout letter A maps to Table 3‐8 on page 3-18. Callout letters C and D map to Table 3‐5 on page 3-15.NOTE If the load requires a neutral, a bypass source neutral must be provided. If the load does not require a neutral and there is no neutral conductorconnected at the bypass input, a neutral to ground bonding jumper must be installed. DO NOT install both a source neutral and a bonding jumper.UPS CABINETE9,E10,E11,E12Service ConnectorBatteryConverterInverterOutputContactor(K3)FuseRectifierInputContactor(K1)Battery Contactor (K2)FuseFuseFuseUPM 2BatteryBreakerE4, E5BatteryConverterInverterOutputContactor(K3)FuseRectifierInputContactor(K1)Battery Contactor (K2)FuseFuseFuseUPM 3BatteryBreakerE4, E5BatteryBreakerE4, E5BatteryConverterInverterOutputContactor(K3)FuseRectifierInputContactor(K1)Battery Contactor (K2)FuseFuseFuseUPM 1BatteryConverterInverterOutputContactor(K3)FuseRectifierInputContactor(K1)Battery Contactor (K2)FuseFuseFuseUPM 4X-SlotInterface48V BatteryShunt TripInterface BoardBattery AuxRemote EPOBuilding AlarmsAlarm RelaysFI-UPM CABINETBatteryBreakerCDCCAC Outputto CriticalLoadCBATTERY SYSTEM(Not supplied with the UPS)BATTERY SYSTEM(Not supplied with the UPS)BATTERY SYSTEM(Not supplied with the UPS)BATTERY SYSTEM(Not supplied with the UPS)E1,E2,E3AC Input to UPSRectifiers 3 WireA-B-C RotationA UPM 3UPM 2E1,E2,E3E1,E2,E3UPM 1A AUPM 4AE1,E2,E3E4,E5Figure 6‐28. Plus 1 UPS System – Four UPM, Separate Rectifier Feed, Separate Battery, IOM Configuration
