Eaton 9355 Installation And Operation Manual

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Contents

Eaton 9355 UPS (20/30kVA) Installation and Operation Manual 164201626—Rev F www.eaton.com/powerquality 79Chapter 11 UPS MaintenanceThis section explains how to:l Care for the UPS and batteriesl Recycle used batteries or UPSl Use the maintenance bypass switch (MBS)l Use parallel bypassUPS and Battery CareFor the best preventive maintenance, keep the area around the UPS clean and dust–free. If the atmosphere isvery dusty, clean the outside of the system with a vacuum cleaner.For full battery life, keep the UPS at an ambient temperature of 77°F (25°C).Note: The batteries in the UPS are rated for a 3–5 year service life. The length of service life varies,depending on the frequency of usage and ambient temperature. Batteries used beyond expectedservice life will often have severely reduced runtimes. Replace batteries at least every 5 years to keepunits running at peak efficiency.Storing the UPS and BatteriesWhen storing the UPS and optional cabinets, the following requirements should be met:l Verify that the battery circuit breaker is in the OFF position.l Avoid temperature and humidity extremes. To maximize battery life, the recommended storage temperatureis 59°F (15°C) to 77°F (25°C).l If you store the UPS for a long period, recharge the batteries every 10 months by applying utility power. Thebatteries charge to 80% capacity in approximately 3 hours. However, it is recommended that the batteriescharge for 48 hours after long-term storage.l Check the battery recharge date on the shipping carton label. If the date has expired and the batteries werenever recharged, do not use the UPS. Contact your service representative.When to Replace BatteriesWhen the indicator flashes and the LCD panel displays Battery Failure, the batteries may need replacing.Contact your service representative to order new batteries.Change the batteries approximately every five years.Recycling the Used Battery or UPSContact your local recycling or hazardous waste center for information on proper disposal of the used batteryor UPS.