INTRODUCTIONEATON Eaton 9395 550/275 UPS (225–550 kVA) Installation and Operation Manual 164201716 Rev 2 www.eaton.com/powerquality1-41.1.2 Control PanelThe control panel, located on the front of the UPS, contains a liquid crystal display(LCD) and pushbutton switches to control the operation of the UPS and to display thestatus of the UPS system. See Chapter 7, “UPS Operating Instructions,” foradditional information.1.1.3 Customer Interface Building Alarm Monitoring – Up to five inputs in the UPS are available to connect thefacility's alarm system contacts. Some system configurations may limit the numberof inputs available. The UPS uses these inputs to monitor the building alarms inaddition to the UPS status. See Chapter 8, “Communication,” for additionalinformation. Alarm Contact – One alarm contact is provided for connection to equipment at thefacility, such as a light, an audible alarm, or a computer terminal. The equipmentconnected to this contact alerts you to a UPS alarm. See Chapter 8,“Communication,” for additional information. X-Slot Communication Bays – Four communication bays are standard equipment.One to four optional X-Slot® connectivity cards can be installed in the UPS moduleat any time. X-Slot cards are quickly installed at the front of the UPS and arehot-pluggable. See Chapter 8, “Communication,” for additional information.1.1.4 Advanced Battery ManagementA three-stage charging system increases battery service life by optimizing rechargetime, and protects batteries from damage due to high current charging and inverterripple currents. Charging at high currents can overheat and damage batteries.1.1.5 Power Management SoftwareLanSafe® Power Management Software is bundled as part of the Software Suite CDshipped with the UPS. See Chapter 8, “Communication,” for additional information.1.2 Options and AccessoriesContact an Eaton sales representative for information about the following options.1.2.1 Integrated Battery CabinetsBattery backup protection can be provided by equipping the UPS system with up tofour Eaton9395 battery cabinets containing sealed lead‐acid, maintenance‐freebatteries. The battery cabinets are available with a 240-cell configuration. The cabinetsare designed for standalone installation and may be installed adjacent to the UPS or ina separate location. The recommended installation location for adjacent batterycabinets is on the right side of the UPS cabinet to allow for future expansion using anexternal module.1.2.2 Field Installed UPMA Field Installed UPM (FI-UPM) provides N+1 redundancy for the UPS system. TheFI-UPM may be installed at any time in the future when power needs change. Themodule cabinet is installed on the left side of the ISBM section and is wired directly tothe UPS. No input or output wiring changes are needed for redundancy. Operationremains the same as for the original UPS.