INTRODUCTIONPower Xpert 9395 Plus 1 UPS (225–275 kVA) Installation and Operation Manual 164201710 Rev 7 www.eaton.com/powerquality 1-71.3 Battery SystemAlthough not provided with the UPS, a battery system is required to provideemergency short-term backup power to safeguard operation during brownouts,blackouts, and other power interruptions. The battery system should be equippedwith lead‐acid batteries. An external battery disconnect switch must be used.The UPMs may be powered with either a common or separate battery system. In acommon battery system, single and multiple UPMs are powered from one commonbattery source. In a separate battery system, multiple UPMs are each powered fromseparate battery sources.UPSs in distributed bypass and parallel systems must use a separate battery system.Consult the Power Xpert 9395 Integrated Battery Cabinet (Model 1085 and1085HR) Installation Manual for specifics on battery cabinet usage with thePowerXpert 9395.A supplemental 48 Vdc shunt trip signal for the battery disconnect device is providedby the UPS, but is not required for normal operation.NOTE The 9395 system can trip a maximum of six battery cabinets total. This applies to both the 1085standard and High Rate series batteries. If more than six battery cabinets in total are needed in a separateUPM battery configuration, DO NOT hook up the shunt trips.1.4 Using This ManualThis manual describes how to install and operate the Power Xpert 9395 Plus 1 UPS(225–275 kVA) cabinet. Read and understand the procedures described in this manualto ensure trouble-free installation and operation. In particular, be thoroughly familiarwith the REPO procedure (see paragraph 7.3.25 on page 7-30).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.1.5 Conventions Used in This ManualThis manual uses these type conventions: Bold type highlights important concepts in discussions, key terms in procedures,and menu options, or represents a command or option that you type or enter at aprompt. Italic type highlights notes and new terms where they are defined. Screen type represents information that appears on the screen or LCD.Icon DescriptionInformation notes call attention to important features or instructions.[Keys] Brackets are used when referring to a specific key, such as [Enter] or [Ctrl].