Eaton 93PM UPS (400V/480V Four-Wire – 100 kW Frame) Installation and Operation Manual 164000566—Rev 04 119Figure 66. REPO OperationActivated(Pushbutton locked into place.) (Unlock pushbutton to release.)Deactivated77..44 MMuullttiippllee EExxtteerrnnaall PPaarraalllleell SSyysstteemm OOppeerraattiioonnNOTE 1 If an Integrated Battery Cabinet (IBC) is installed, refer to the Eaton 93PM IntegratedBattery Cabinet Installation Manual-Large and Large High Rate or the Blank, listed inChapter 1 Introduction, For More Information section, for IBC batterybreaker location.NOTE 2 If an Sidecar Integrated Accessory Cabinet-Bypass (SIAC-B) is installed, refer to theEaton 93PM Sidecar Integrated Accessory Cabinet-Bypass Installation and Operation (50kW and 100 kW SIAC-B) Manual, listed in Chapter 1 Introduction, For MoreInformation section, for operating instructions.NOTE 3 This unit is a four-wire device. The loss of a single input phase or the loss of neutral withunbalanced four-wire loads will be considered a complete loss of input power anddischarge the battery to provide power to the load. This unit does not utilize an activelyswitched neutral. Installations are advised that the loss of neutral may affect four-wireloads. Please contact Eaton if your supply neutral is switched. (e.g. by a 4-pole ATSswitch)77..44..11 SSttaarrttiinngg tthhee PPaarraalllleell SSyysstteemm iinn DDoouubbllee CCoonnvveerrssiioonn MMooddeeTo start the UPS system:1. Close all Module Output Breakers (MOBs).2. Close the UPS input feeder circuit breaker.3. If dual feed, close the UPS bypass feeder circuit breaker.4. If IBCs are installed, close the battery breakers.5. Observe the UPS control panel display becoming active, indicating logic power.6. Verify no alarms are active.7. Tap the CONTROLS tab on the main menu navigation bar. The System Control screen is displayed.8. Tap the GO ONLINE button.9. If requested, enter the Level 1 password. Default password is 1111.The rectifier and inverter turn on. The inverter continues to ramp up to full voltage.Once the inverter reaches full voltage, all UPS inverter switchgear close and the static switches turn off.Power is now supplied to the critical load in dual conversion mode from all UPSs. It takes approximatelyone minute for the UPSs to achieve the dual conversion mode.UPS Operating Instructions
