Dell 3750W User Manual

Also see for H952N: Getting Started With Your System

Contents

Dell 3750W User Manual Manual pdf 58 page image

58 | UPS MaintenanceUPS MaintenanceThis chapter explains how to: Care for the UPS and batteries Transport the UPS Store the UPS and batteries Test the batteries Update the UPS firmwareUPS and Battery CareFor the best preventive maintenance, keep the area around the UPS clean and dust‐free. If theatmosphere is very dusty, clean the outside of the system with a vacuum cleaner. For full battery life,keep the UPS at an ambient temperature of 25°C (77°F).NOTE: The batteries in the UPS are rated for a 3–5 year service life. The length of service life varies, dependingon the frequency of usage and ambient temperature. Batteries used beyond expected service life will oftenhave severely reduced runtimes. Replace batteries at least every 5 years to keep units running at peakefficiency.Transporting the UPSNOTE: The internal UPS batteries MUST be disconnected before transportation.CAUTION: The following procedure should be performed or supervised by personnel knowledgeable aboutbatteries and the required precautions. Keep unauthorized personnel away from batteries.If the UPS requires any type of transportation, the batteries must be disconnected (but not removed)before the unit is transported:1 Verify that the UPS is off and unplugged.2 Place the UPS on a flat, stable surface with the front of the cabinet facing you.6