Dell K812N, 5600W, 5600R OL HV-US manual Storing the UPS and Batteries, When to Replace Batteries

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5Replace the UPS front cover (see Figure 27).

Figure 27. Replacing the UPS Front Cover

Storing the UPS and Batteries

If you store the UPS for a long period, recharge the battery every 6 months by connecting the UPS to utility power. The batteries charge to 90% capacity in approximately 4 hours. However, it is recommended that the batteries charge for 48 hours after long-term storage.

Check the battery recharge date on the shipping carton label. If the date has passed and the batteries were never recharged, do not use the UPS. Contact your service representative.

When to Replace Batteries

When the status summary screen displays the UPS fault icon with the “Service Battery” alarm and the audible alarm sounds continuously, the batteries may need replacing. Contact your service representative to order new batteries.

NOTE: With the user-replaceable battery feature, UPS batteries can be replaced easily without turning the UPS off or disconnecting the load.

60	UPS Maintenance

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Contents Users Guide October 2009 164201888 Table of Contents Additional UPS Features UPS and Battery Care Transporting the UPSTesting Batteries UPS Status Menu Event Log MenuIntroduction Dell Online Rack UPSIntroduction Finding Information What are You Looking For? Find It HereSafety Warnings Important Safety InstructionsSafety Warnings Safety Warnings Installation Inspecting the EquipmentUnpacking the Cabinet Unpacking the CabinetLifting the Cabinet UPS Rear Panels 208V Rear PanelUPS Front Panel Dell Online Rack UPS Front PanelRackmount Setup Removing the Battery Retaining BracketRemoving the Battery Trays Installing the Rails Installing the Cabinet Install the UPS battery trays see Figure Installation Snap the UPS front cover into place see Figure Installing the EBM Installing the UPSInstalling Remote Emergency Power-off Repo ConnectionsRepo Connector Hardwiring the UPS Input Circuit Breaker Diagram Typical External Isolating Device Installation Backfeed Protection DevicesTerminal Position UPS Initial Startup Operation UPS Startup and ShutdownStarting the UPS Starting the UPS on Battery UPS ShutdownControl Panel Functions Control Button Functions Control Button SequenceChanging the Language Display FunctionsStartup Screen Screen Locked UPS StatusBattery Mode Bypass ModeBad Battery Detected or Battery Disconnected UPS General Alarms ActiveStatus Summary Screens Description Battery Test Status Normal ModeStandby Mode Battery Status Screens Description Event LogMeasurements Control Screens Control Screens DescriptionSettings Settings Description Available Settings Default SettingIdentification Settings Description Available Settings Default Setting Settings Description Available Settings Default Setting Settings Description Available Settings Default Setting Settings Description Available Settings Default Setting Transferring from Normal to Bypass Mode Transferring from Bypass to Normal ModeTransferring the UPS Between Modes Retrieving the Event LogBehavior on Overload Configuring Load Segments Controlling Load Segments Through the DisplayConfiguring Automatic Start Delay Configuring Automatic on Battery Shutdown Configuring Battery Settings Configuring the UPS for an EBMConfiguring Automatic Restart Running Automatic Battery TestsConfiguring Automatic Battery Tests Additional UPS Features RS-232 and USB Communication PortsRS-232 Communication Port Pin Assignment Dell Network Management Card Optional Dell Network Management Card on a 5600W OL UPSDell UPS Management Software UPS Maintenance UPS and Battery CareTransporting the UPS Remove the UPS front cover see Figure When to Replace Batteries Storing the UPS and BatteriesTesting Batteries Updating the UPS FirmwareSpecifications Power Levels Rated at Nominal Inputs Regulation Normal ModeRegulation Battery Mode Electrical OutputEnvironmental and Safety Operating TemperatureTemperature Relative Humidity Safety ConformanceBattery Configuration Battery TypeBattery Runtimes VoltageTroubleshooting Accessing Alarms and ConditionsUPS Status Menu Typical Alarms and Conditions Event Log MenuAction UPS Troubleshooting Troubleshooting Silencing the Alarm

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