Eaton 93PM UPS (20–100 kW, 480V – 100 kW Frame) Installation and Operation Manual P-164000227—Rev 6 www.eaton.com/powerquality 2-1Chapter 2 Safety WarningsIMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONSThis manual contains important instructions that should be followed during installation andmaintenance of the UPS and batteries. Read all instructions before operating the equipment andsave this manual for future reference.The UPS is designed for industrial or computer room applications, and contains safety shieldsbehind the door and front panels. However, the UPS is a sophisticated power system and shouldbe handled with appropriate care.DANGERThis UPS contains LETHAL VOLTAGES. All repairs and service should be performed byAUTHORIZED SERVICE PERSONNEL ONLY. There are NO USER SERVICEABLE PARTS inside theUPS.WARNINGl The UPS is powered by its own energy source (batteries). The output terminals may carry livevoltage even when the UPS is disconnected from an AC source.l To reduce the risk of fire or electric shock, install this UPS in a temperature and humiditycontrolled, indoor environment, free of conductive contaminants. Ambient temperature mustnot exceed 40C (104F). Do not operate near water or excessive humidity (95% maximum).The system is not intended for outdoor use.l As a result of the connected loads high leakage current is possible. Connection to earth groundis required for safety and proper product operation. Do not check UPS operation by any actionthat includes removal of the earth (ground) connection with loads attached.l Emergency Power Off (EPO) and Remote Emergency Power Off (REPO) functionality is disabledfor UPS systems configured for UL 924 auxiliary lighting. To remove power from the system aLOAD OFF command (see paragraph 6.3.15 or 6.4.17) must be given using the front panelcontrols and all breakers opened.l Ensure all power is disconnected before performing installation or service.l Batteries can present a risk of electrical shock or burn from high short-circuit current. Thefollowing precautions should be observed: 1) Remove watches, rings, or other metal objects;2) Use tools with insulated handles; 3) Do not lay tools or metal parts on top of batteries;4) Wear rubber gloves and boots.l ELECTRIC ENERGY HAZARD. Do not attempt to alter any UPS or battery wiring or connectors.Attempting to alter wiring can cause injury.l Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes. It maybe toxic.
