MGE UPS Systems 250A Maintenance, Trouble-shooting and solutions, Meaning Action, 17 red

Page 19

 

 

 

 

4. Maintenance

4.1 Trouble-shooting and solutions

 

 

 

 

 

 

 

 

Alarm

Meaning

Action

 

 

 

 

 

WARNING

The current on the indicated output circuit is

Monitor the power drawn on the circuit and

 

 

 

between 60 and 80% of the maximum value

avoid adding other loads to the circuit.

 

 

 

for the circuit.

 

 

 

 

 

 

ALARM

The current on the indicated output circuit is

Turn off certain loads connected to the

 

 

 

higher than 80% of the maximum value for

circuit until the fault disappears (after alarm

 

 

 

the circuit.

reset).

 

 

 

 

 

OVER VOLTAGE

The voltage on the distribution system is

Monitor the voltage on the distribution

 

 

 

high.

system. The connected loads may suffer

 

 

 

 

breakdowns.

 

 

 

 

 

OVER CURRENT

The load on the PMM module is higher than

Turn off certain connected loads until the

 

 

 

250A.

fault disappears (after alarm reset).

 

 

 

 

 

AUX INPUT ALARM

◗Temperature rise in the isolation

◗Check the ventilation system in the room.

 

 

 

transformer.

◗Shut down the PMM module, then start it

 

 

 

◗Activation of the remote shutdown function.

up again when the remote shutdown signal

 

 

 

 

has been cleared.

 

 

 

 

 

 

 

 

 

 

 

 

Fault

Possible Causes

Action

 

 

 

 

 

No display

◗Fuses F1 blown,

◗Call the MGE after-sales technical support,

 

 

 

◗Disconnector-fuse F1 open.

◗Close disconnector-fuse F1.

 

 

 

 

 

Incoherent measurement

◗Fuses F2 blown,

◗Call the MGE after-sales technical support,

 

values

◗Disconnector-fuse F2 open.

◗Close disconnector-fuse F2.

 

 

 

 

 

 

LED

17 yellow

The current on at least one output circuit is

Consult the list of alarms (alarm mode) and

 

 

 

between 60 and 80% of the maximum value

reset the alarm.

 

 

 

for the circuit.

 

 

 

 

 

 

 

LED

17 red

One of the following:

Consult the list of alarms (alarm mode) and

 

 

 

◗The current on at least one output circuit is

reset the alarm.

 

 

 

higher than 80% of the maximum value for

 

 

 

 

the circuit,

 

 

 

 

◗Overvoltage (>457V),

 

 

 

 

◗Overcurrent (>250A),

 

 

 

 

◗Transformer temperature too high,

 

 

 

 

◗Actuation of remote shutdown function.

 

 

 

 

 

 

34020201EN/AB - Page 19

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Contents Power Management Module 2 34020201EN/AB Introduction Foreword SymbolsStructure of this document Contents 250 a PMM modules Module characteristicsNumber of circuits Isolation Depth Width Height Weight PresentationVersion with 126 circuit breakers doors open Access to the circuit breakersVersion with 60 circuit breakers doors open Control panel Access to connectionsExample showing the version with 126 output circuits Footprint of module InstallationSetting up the module Module 825 mm deepAttach the module to the wall using the two rear brackets Installation against a wallModule 425 mm deep ≥ 400 mm Back-to-back assemblyModule with isolation transformer Input power connectionsC PEN Output circuit connections Alarm and remote shutdown connectionsCommunication connections Turning on the PMM module OperationDisplay General metering AlarmsMetering Output-circuit meteringTurning off the PMM module SetupCommunication settings Operation settings display and alarmsPossible Causes Action MaintenanceTrouble-shooting and solutions Meaning ActionPacking materials Recycling at the end of service lifeEnvironment This product has been designed to respect the environmentAppendices Version without isolation transformer Simplified diagramsVersion with isolation transformer PMM ModuleModbus communication information Access to communicated informationAlarm LED Type 1-alarm Type 2-alarm Cause Contact Auxiliary contact functions# Bit Description Major alarms on circuits 1 to Minor alarm threshold % for circuit Appendices 28 34020201EN/AB # Bit NV Description Bit NV Description # Bit Float Coeff Description Card MCM general status and measurementsRS-232 GlossaryIsolation transformer Output circuitOutput circuits 16-19 Index34 34020201EN/AB

250A specifications

MGE UPS Systems has garnered a reputation for delivering high-quality power protection solutions, and the 250A model stands out as an excellent choice for businesses seeking reliable uninterruptible power supply (UPS) systems. This particular model is designed to handle critical loads while ensuring continuous power availability and safeguarding equipment against power disturbances.

One of the main features of the MGE UPS Systems 250A is its robust power capacity. It can efficiently supply power to critical devices, making it suitable for a range of applications including data centers, telecommunication networks, and industrial environments. The 250A offers a highly scalable solution, allowing businesses to expand their power needs as they grow.

In terms of technology, the MGE UPS Systems 250A utilizes advanced double-conversion technology, which converts incoming AC power to DC and then back to AC. This process ensures that the connected equipment receives a consistent and clean sine wave output, free from fluctuations and disturbances. The UPS is equipped with high-efficiency operation modes, including Eco-mode, which help reduce energy consumption and operational costs while maintaining optimal performance.

Another notable characteristic of the 250A is its versatility in connectivity and integration. It features a comprehensive range of communication ports, enabling seamless integration with existing infrastructures. The UPS can be monitored and managed remotely, allowing for real-time insights into the power status and performance metrics. This level of monitoring is crucial for ensuring optimal operation and for preemptively addressing potential issues.

Moreover, MGE UPS Systems has placed a strong emphasis on user-friendly design in the 250A model. The intuitive interface and clear display make it easy for operators to navigate through settings and configurations. Additionally, the modular design of the UPS allows for easy maintenance and upgrades, minimizing downtime and optimizing service efficiency.

To enhance its reliability, the MGE UPS Systems 250A comes with multiple safety features, including overload protection, short circuit protection, and temperature monitoring. These safeguards ensure that the system operates within safe parameters, reducing the risk of damage to both the UPS and connected equipment.

In summary, the MGE UPS Systems 250A is a powerful and versatile solution for businesses requiring reliable power protection. With its advanced technology, energy-efficient design, and user-friendly features, it meets the demands of modern power requirements while ensuring seamless operation and equipment safety.
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