MGE UPS Systems Galaxy PW user manual User’s Manual List of secondary messages, Load on Mains

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User’s Manual

list of secondary messages

LOAD ON MAINS 2

The load has been transferred to the bypass AC source (M2) and is no longer protected (only in on-line mode). The buzzer sounds continuously.

MAINS 2 OUTSIDE TOLERANCES TRANSFER DISABLED

CHECK MAINS 2

The bypass AC source (M2) frequency or voltage is outside tolerances and the inverter is unable to synchronize. Transfer of the load from the inverter to the bypass AC source (M2) or vice-versa will result in an interruption of the supply of power to the load. The buzzer sounds slowly and discontinuously.

BATTERY OVERTEMPERATURE, CHECK VENTILATION

The battery temperature is outside toler- ances. The buzzer sounds slowly and dis- continuously.

BATTERY ROOM VENTILATION FAULT, CHECK VENTILATION

A fault requiring servicing has occurred in the battery room ventilation system. The rectifier/charger shuts down after a 30- second time delay.

The user must take steps to re-establish correct operation of the ventilation system. This message also signals an abnormally high temperature in the filter inductor.

The buzzer sounds slowly and discontinu- ously.

MAINS 1 OUTSIDE TOLERANCES, CHECK MAINS 1

The normal AC source (M1) frequency or voltage is outside specified tolerances and the rectifier/charger has shut down. The inverter is on battery power.

MAINS 1 INPUT SWITCH Q1

IS OPEN

The normal AC input (M1) switch Q1 is open. It must be closed for rectifier/charg- er start-up. The buzzer sounds slowly and discontinuously.

INTERNAL UPS FAULT,

LOAD TRANSFER FAULT,

CALL MAINTENANCE

A fault has occurred in the static switch that transfers the load between the invert- er and the bypass AC source (M2). Servicing by the after-sales support department is required. The buzzer sounds continuously.

OVERLOAD

RATED CURRENT PER PHASE = XXX A

CHECK LOAD LEVEL

This display informs the user that load cur- rent is greater than rated current, and gives the value. The buzzer sounds con- tinuously.

UPS SHUTDOWN DUE TO AN

OVERLOAD,

CHECK LOAD LEVEL

This message follows the preceding when the overload persists. The UPS has shut down and the buzzer sounds continuously.

INVERTER NOT IN PHASE WITH MAINS 2.

TRANSFER DISABLED, CHECK MAINS 2

The phase difference between the inverter and the bypass AC source (M2) is outside tolerances. Transfer of the load between the inverter and the bypass AC source

(M2) will result in an interruption in the sup- ply of power to the load.

For parallel UPSs, this message should be interpreted as meaning the phase differ- ence between the inverter for which the message is displayed and the other invert- ers is outside tolerances.

UPS SHUTDOWN

BY AN EXTERNAL COMMAND

The inverter has received a command to shut down. The command is in the form of a signal from received the remote-indica- tions relay board which has been set for this function.

n the inverter is started again.

MAINS 2 INPUT SWITCH Q4S IS OPEN

The bypass AC source (M2) input switch Q4S is open, i.e. backup power for the load via the bypass AC source (M2) is not available.

INVERTER OUTPUT SWITCH Q5N IS OPEN

Inverter output switch Q5N is open, i.e. the load cannot be supplied via the inverter.

Control-panel Display

17

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Contents Galaxy PW Page Galaxy PW User’s Manual Galaxy PW 100 to 225 kVA Important Safety Instructions This page intentionally left blank Service and Factory Repair Call 1 800 438 WarrantyGalaxy PW User’s Manual Galaxy PW TM 100 to 225 kVA User’s manualThis page intentionally left blank Contents Galaxy Pwtm 100 to 225 kVA How to use this manualIntroduction General characteristics of Galaxy PW UPSSystem description Schematic diagram of the Galaxy PW systemIsolation and protection devices Different types of Galaxy PW systemsSingle-UPS unit Parallel UPS system External bypass for parallel UPSs and the hot-swap optionBattery time Operation in on-line modeNormal operation Operation with the normal AC source downBattery charge cycle User’s Manual Operation with the normal AC source restoredInverter shutdown or overload Single-UPS unit on-line modeParallel UPSs with redundancy Parallel UPSs without redun- dancyOperation with an engine generator set Example of an installation with an engine generator setOutput voltage quality and continuity Steady state voltage regulationGalaxy PW cabinets Battery cabinetUPS cabinet General Control panelIndications Inverter on button System start-up Start-upStart-up of a module Shutdown of the inverter ShutdownControl-panel display Display of alarmsGeneral organization Display of messagesGalaxy Pwtm 100 to 225 kVA List of primary messages Load Protected ON-LINE ModeLoad on Mains User’s Manual List of secondary messagesBattery Charging BAT. = XXX a U BAT. = XXX Voltage measurements Measurement systemCurrent measurements Selections and settings Battery measurementsSet date and time Inverse video Battery testPast events Maintenance bypass AlarmsSignal transmission Signal receptionEnvironment information Presentation of event time-stamping by Galaxy PW Logging and time-stampingUtilization via the Galaxy PW display Example Consulting statisticsNb of backups 1 min this is Elapsed backup time min this isMin nb of backups 3 min this is Total time with Tbatt 25 C h thisBattery Utilization via TeleserviceMaintenance configuration MaintenanceSingle-UPS unit UPS isolationGalaxy PW Isolate all UPSsGalaxy PW External bypass Visual check Battery maintenanceFunctional check Options Maintenance bypassGalvanic isolation and voltage matching transformers Electrical supervisionThis page intentionally left blank Scenic Avenue Costa Mesa, CA Reorder formPage Page Scenic Avenue, Costa Mesa, California 92626 714 557

Galaxy PW specifications

The MGE UPS Systems Galaxy PW is a high-performance uninterruptible power supply designed to provide reliable power protection for critical systems in various environments, including data centers, industrial settings, and commercial facilities. Known for its advanced features and innovative technologies, the Galaxy PW is engineered to ensure seamless operation, even in the event of power disturbances.

One of the standout features of the Galaxy PW is its modular design, allowing for easy scalability and flexibility. This design enables users to customize the power capacity according to their specific needs, accommodating future growth without requiring a complete system overhaul. The modular architecture consists of interchangeable power modules that can be easily added or replaced, ensuring minimal downtime and optimized performance.

The Galaxy PW uses cutting-edge double-conversion technology, which provides a high level of power quality and reliability. This technology ensures that any fluctuations in input power do not affect the output, delivering clean and stable electricity to connected equipment. This is particularly essential for sensitive electronics that require a consistent power supply to function correctly.

Another significant characteristic of the Galaxy PW is its energy efficiency. The UPS is designed to operate at high efficiency levels, often exceeding 96%. This not only helps in reducing the overall energy consumption but also lowers operational costs and reduces the carbon footprint of the facility. The Eco-Mode feature allows the UPS to deliver power with minimal energy loss during normal operating conditions.

The Galaxy PW is equipped with advanced communication and management features, including an intuitive graphical LCD display that provides real-time information on the system's status and performance metrics. Users can monitor input and output voltages, current load levels, and battery health at a glance. Additionally, the UPS supports various communication protocols and interfaces, facilitating integration with building management systems and remote monitoring tools.

Safety and reliability are also top priorities for the Galaxy PW. The system features robust battery management to extend the lifespan of the batteries while ensuring optimal performance. The UPS is designed with several protections, including overload, short-circuit, and thermal protection, to safeguard both the UPS and connected loads.

In summary, the MGE UPS Systems Galaxy PW integrates modularity, energy efficiency, advanced monitoring, and robust protection features to deliver unmatched reliability for critical power applications. Its innovative design and technologies make it an ideal choice for businesses seeking a reliable power protection solution.
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