6 Eaton 93PM UPS (400V/480V Four-Wire – 100 kW Frame) Installation and Operation Manual 164000566—Rev 0411..33 BBaatttteerryy SSyysstteemmAlthough not provided with the UPS, a battery system is required to provide emergency short-term backuppower to safeguard operation during brownouts, blackouts, and other power interruptions. The battery systemshould be equipped with lead-acid batteries. An external battery disconnect switch or tie point must be usedwhen battery systems are located separate from the UPS cabinet and wiring exceeds the number of batteryterminals available.A supplemental 48 Vdc shunt trip signal for the battery disconnect device is provided by the UPS, but is notrequired for normal operation.11..44 BBaassiicc SSyysstteemm CCoonnffiigguurraattiioonnssThe following basic UPS system configurations are possible:• Single UPS with one to four external battery cabinets• Single UPS with one to four external battery cabinets and accessory cabinets• Two to four UPSs with one to four standard external battery cabinets for each UPS• Two to four UPSs with one to four standard external battery cabinets for each UPS and accessory cabinetsThe UPS system configuration can be enhanced by adding optional accessories such as a RemoteEmergency Power-off (REPO) control or Minislot communication cards.11..55 UUssiinngg TThhiiss MMaannuuaallThis manual describes how to install and operate the Eaton 93PM, Four-Wire UPS. Read and understand theprocedures described in this manual to ensure trouble-free installation and operation. In particular, bethoroughly familiar with the REPO procedure (see paragraph or ) or the LOAD OFF procedure (see paragraphor ).The information in this manual is divided into sections and chapters. The system, options, and accessoriesbeing installed dictate which parts of this manual should be read. At a minimum, Chapter 1 Introductionthrough Chapter 4 UPS System Installation and should be examined.Read through each procedure before beginning the work. Perform only those procedures that apply to the UPSsystem being installed or operated.11..66 CCoonnvveennttiioonnss UUsseedd iinn TThhiiss MMaannuuaallThis manual uses these type conventions:• Bold type highlights important concepts in discussions, key terms in procedures, and menu options, orrepresents a command or option that you type or enter at a prompt.• Italic type highlights notes and new terms where they are defined.• Screen type represents information that appears on the screen or LCD.Icon DescriptionNote Information notes call attention to important features or instructions.[Keys] Brackets are used when referring to a specific key, such as [Enter] or [Ctrl].In this manual, the term UPS refers only to the UPS cabinet and its internal elements. The term UPSsystem refers to the entire power protection system – the UPS cabinet, an external battery system, andoptions or accessories installed.Introduction
