INTRODUCTIONEATON Eaton 9395 550/275 UPS (225–550 kVA) Installation and Operation Manual 164201716 Rev 2 www.eaton.com/powerquality1-81.4 Basic System ConfigurationsThe following basic UPS system configurations are possible: Single UPS with one UPM and two to four battery cabinets for the UPM Single UPS with one common battery UPM, a common battery FI-UPM, and two tofour battery cabinets for the UPMs Single UPS with one separate battery UPM, a separate battery FI-UPM, and two tothree battery cabinets per UPM Single UPS with one UPM and a standalone battery rack system Single UPS with one common battery UPM, a common battery FI-UPM, and onestandalone battery rack system for the UPMs Single UPS with one separate battery UPM, a separate battery FI-UPM, and onestandalone battery rack system per UPM Distributed bypass system with two to five UPSs and a customer-suppliedtie cabinetThe UPS system configuration can be enhanced by adding optional accessories suchas a Remote Emergency Power-off (REPO) control, RMP II, or X-Slot communicationcards.The base configuration (first two digits of the configuration number) for the UPS islisted in Table 1‐1. The configuration number can be found on the rating labelmounted on the internal safety shield panel inside the front door.Table 1‐1. Base Configuration DigitsConfiguration Base Digits550 kVA ISBM, one UPM, Continuous Static Switch (CSS) CR1.5 Using This ManualThis manual describes how to install and operate the Eaton9395 550/275UPS cabinet.Read and understand the procedures described in this manual to ensure trouble-freeinstallation and operation. In particular, be thoroughly familiar with the REPOprocedure (see paragraph 7.3.25 on page 7-29).The information in this manual is divided into sections and chapters. The system,options, and accessories being installed dictate which parts of this manual should beread. At a minimum, Chapters 1 through 4 and Chapter 7 should be examined.Read through each procedure before beginning the procedure. Perform only thoseprocedures that apply to the UPS system being installed or operated.