Toshiba 1500 Plus Battery Backup Time, Battery Low Voltage Tolerances, Battery Check Function

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TOSHIBA

5.0Operating the UPS

5.7Battery Backup Time

The UPS unit's batteries provide about 5-12 minutes of back-up time depending on the capacity of the UPS. These times are valid when a unit is operating under full load. When the units are operating at half load, the batteries can power the load equipment about 3 times longer. The exact length of these times will depend on the UPS model used, condition of the batteries, amount of load, temperature and other variables. See battery backup time in the standard specifications Sections 4.1 through 4.2.

5.8Battery Low Voltage Tolerances

Excessive discharge will cause the UPS unit's battery voltage to drop. The chart shown below lists the voltage level at which each UPS unit's low-voltage alarm will sound and also at what level the low-voltage condition will cause the unit to automatically shut down.

UPS Capacity

600VA

800VA

1000VA

 

 

 

 

Nominal voltage

60.0

60.0

60.0

in Vdc

 

 

 

 

 

 

 

Alarm voltage

52.8

52.8

52.8

in Vdc

 

 

 

 

 

 

 

Shutdown voltage

48.0

48.0

48.0

 

 

 

 

5.9Battery Check Function

Part of the UPS start-up procedure is an automatic 'Battery Check' to see if a problem exists in the battery circuit. When the UPS is started it will begin operation in the bypass mode. An automatic voltage level test of the batteries is made while operating in the bypass mode for five seconds. A failure of this first test will activate visual and audible alarms (see section 5.3.3 "battery problem"). If this test is passed, then the UPS will auto- transfer from bypass mode to on line operating mode. A ten second automatic voltage check of the batteries is made after the UPS has auto-transferred from bypass to on line mode. Normal on line operation continues if the second test is passed. If the second test fails, then the "Fault" LED will flash and up to three additional automatic battery voltage checks are made at 3 hour intervals while the inverter continues to operate. If the batteries are found to be normal during one of these three tests then the "Fault" LED will stop flashing and normal inverter operation will continue. A failure of the third and final check will activate visual and audible alarms (see section 5.3.3 "battery problem") causing an auto-transfer back to bypass. If the batteries are indicated "bad" then

STOP the UPS and allow a 24 hour charge on the batteries before restarting.

5.10System Reset

The UPS is reset by moving the STOP/RUN switch from "run" to "stop" and then back to "run". Use the reset procedure to transfer from bypass back to inverter after a fault occurs. Some faults may only be cleared by shutting down the UPS, waiting for all LED's on the front panel to go off, and then restarting the UPS.

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Contents 1500 Plus Series Page Toshiba Contents Section Preventive Maintenance/Parts Replacement Contents ContdTroubleshooting Procedures External Dimensions/Panel Layout/Shipping WeightsIntroduction General Safety Instructions Important Safety Instructions Model Capacity Manufacturer Type QuantityImportant Safety Instructions ViiInstructions Importantes Concernant LA Sécurité ViiiTheory of Operation Power BackupPower Conditioning Application and UseStorage of UPS equipment Inspection of the new UPS equipmentAfter Uncrating AvoidInstallation Precautions General Prestart Precautions Operating PrecautionsSpecifications Standard Series Specifications Model NumberUE1E1E006-5M Battery Backup Mode Operation Modes AC Input Mode normal operationPower flow in AC input mode Power flow in battery backup modePower flow in circuit-bypass mode Operation Modes Circuit-bypass modeSystem Protection Features Visual and Audible Indicator Function Chart Condition Cause Operation Monitoring Visual Indicator FunctionsAudible Alarm Functions Indicators OperationUPS On-Line Mode Display Front Panel LayoutBattery Recharging Rated battery voltagesBattery Check Function Battery Backup TimeBattery Low Voltage Tolerances System ResetDB25 Connector Pinout Pin Symbol DescriptionUPS Shutdown via RS-232C RS-232C Serial Communication InterfaceDry Contact Interface Non-Fatal Fault Mode Non-Fatal Fault Mode Display ChartFatal Fault Mode Fatal Fault Mode Display ChartPreventive and Scheduled Maintenance/Parts Replacement Preventive MaintenanceFuse Rating Chart Fuse ratingExternal Dimensions/Shipping Weights/Panel Layout External DimensionsModel Pounds Kilograms Panel Layout Shipping WeightsShipping Weight 48.8 22.2Toshiba International Corporation

1500 Plus specifications

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