MGE UPS Systems EPS 7000 user manual Charger OFF

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EPS 7000 Single Module

INPUT KVA LIMITED

COMMAND ON !

This message indicates that the rectifier/battery charger has been instructed to limit the power drawn from the main AC input (mains 1) source. This condition occurs, for example, when the load is being supplied by an undersized motor-generator set; the UPS battery source is called upon to make up the difference.

BATTERY CURRENT

LIMIT COMMAND ON !

This message indicates that the rectifier/battery charger has been instructed to limit the charge current to the battery. Normal charge current to the battery will be supplied when the command is released. This condition occurs, for example, when the load is being supplied by an undersized motor-generator set.

QF1 BATTERY BREAKER

OPEN !

This message indicates that the battery circuit breaker QF1 has been opened or has tripped. the load is no longer protected, since battery power is unavailable.

LOW BATTERY

. . . !

This message indicates that the inverter has shut down, due to depletion of the batterys' stored energy.

CHARGER OFF

. . . !

This message indicates that the rectifier/battery charger has shut down.

CHARGER FAULT

CALL SERVICE !

This message indicates that a fault has occurred in the rectifier/battery charger, and that service is required.

Q1 UPS INPUT CB

OPEN !

This message indicates that the input isolation circuit breaker is open or has tripped. It must be closed for rectifier/battery charger start-up.

INVERTER OVERLOAD

CHECK P.F. AND KW

This message indicates that the inverter is in an overload condition, usually due to excessive real power (kW) being drawn by the load. The flashing “KW” indicates that the operator should check the load real power. The inverter will keep supplying the load for a certain amount of time depending on the overload level.

INVERTER FAULT

CALL SERVICE !

This message indicates that a fault has occurred in the inverter, and that service is required.

INVERTER SHUTDOWN

OVERLOAD > I MAX!

This message indicates that an overload greater than 1.5 times the full power rating of the inverter has occurred, and that the inverter has shut down.

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Operation

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Contents EPS Opening enclosures expose hazardous voltages. Always refer Service to qualified personnel onlyWith installation manual, may cause harmful interference to Louverture des cabinets expose des tensions dangereusesFor service call MGE UPS SYSTEMS, Inc Scenic Avenue Costa Mesa, CA 92626 714Revision History WarrantyService and Factory Repair Call Proprietary Rights StatementService personnel against possible equipment damage How To Use This ManualService personnel against safety hazards and possible Equipment featureUPS Unit Serial Number MBP Cabinet Serial Number N t e n t EPS 7000 Single Module Operation Figures This page left blank intentionally Reference Manuals Section Descriptions MaintenanceScope IntroductionGeneral Description Specifications, Circuit Breakers and Powerflow Diagrams QF1Circuit Breaker Locations on the Maintenance Bypass Cabinet Power Flow Diagrams Normal Operation On-Battery OperationSingle Module Indicators and Controls Front Panel Alphanumeric Display Hidden Panel Cover PlateAudible alarm Front PanelAlphanumeric Display and Controls Settings Display PushbuttonTwo-line Alphanumeric Display Alphanumeric Display Pushbuttons Numbered Lights Hidden Panel IndicatorsØOn/off LED Alphanumeric Indicators Reserved for future useAudible alarm reset Test connectorClear fault log Hidden Panel Lower PushbuttonsCertain the load can tolerate this interruption see section Using the forced transfer functions will cause the load toExperience an interruption for a minimum of 0.8 seconds. Be Forced TransfersThis page left blank intentionally Status Screen Display General status screenSelect English U.S. as the display language to match Settings Selection ScreenAlarms Displays as presented in this manualSensor Measurements Bypass V, HzVoltage Measurements RMSCurrent Measurements Load Crest FPower Frequency Measurements Load P1 P2 P3 KVABattery Measurements Battery Measurements DisplaysSecondary Alarms General AlarmsLCD Messages Battery Cabinet Overtemp Charger OFF Inverter Shutdown Thermal Overload a Preparations Before Start-up Checks Before Start-up Start-upProgrammed for automatic restart, the inverter will Automatically start after the battery disconnect circuitBecause it is standard for the UPS module to be Breaker QF1 has been closedWith Maintenance Bypass Normal ShutdownMaintenance bypass will disconnect the attached load Without Maintenance BypassOpening Q4S with the inverter stopped in a UPS without Forced Transfer from Bypass AC Input Source to Inverter Uninterrupted Transfer ConditionsForced Transfer from Inverter to Bypass AC Input Leistungsfaehigkeit. Unbeabsichtigtes Schweissen und Gleichstrom zum Wechselrichter kommt gewoehnlich von derBatteriebank mit einer sehr hohen Kurzschluss Schwere Verbrennungen koennen die Folgevon fehlerhafterReplacement Parts Preventive MaintenanceLevel Description Symbols Definition / Meaning O s s a r yIEC LCD Spdt Volts This page left blank intentionally Reorder form Scenic Avenue Costa Mesa, CA Page Page Scenic Avenue, Costa Mesa, California 92626 714 557