APC manual APC Worldwide Customer Support, 990-1377D-001, 06/2008

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APC Worldwide Customer Support

Customer support for this or any other APC product is available at no charge in any of the following ways:

Go to the APC Web site to access documents in the APC Knowledge Base and to submit customer support requests.

www.apc.com (Corporate Headquarters)

Connect to localized APC Web sites for specific countries, each of which provides customer support information.

www.apc.com/support/

Global support searching APC Knowledge Base and using e-support.

Contact an APC Customer Support center by telephone or e-mail.

Local, country-specific centers: go to www.apc.com/support/contact for contact information.

Contact the APC representative or other distributor from whom you purchased your APC product for information on how to obtain local customer support.

Entire contents copyright 2008 American Power Conversion Corporation. All rights reserved. Reproduction in whole or in part without permission is prohibited. APC, the APC logo, and Symmetra are trademarks of American Power Conversion Corporation. All other trademarks, product names, and corporate names are the property of their respective owners and are used for informational purposes only.

990-1377D-001

*990-1377D-001*

06/2008

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Contents Operation Page Content Configuration Overview Navigation TreeScreen symbols Display Symbols and ButtonsNavigation symbols Buttons BreakersHow to Access Summary Screens from UPSAccess Bypass Summary screens How to Access the APC Symmetra MW Remote Display How to start a web-based remote sessionBattery operation OperationOperation Modes Normal operationStatic bypass operation Manual bypass operationHow to start up the system from manual bypass operation Operation ProceduresHow to access screens protected by the user-password  Press the Operation button on the UPS Summary screen How to transfer from normal to static bypass operation How to transfer from static bypass to normal operation  Press Initiate TransferConfiguration How to Configure the SystemHow to change the password How to configure the Touch-Screen settings screenHow to configure the Modbus Settings screen How to configure the Regional Settings screen How to configure the Network Configuration screensConfiguration How to Configure the System Configuration How to Configure the System How to configure the Display Settings How to configure the Battery Test Settings screen Maintenance Predictive Maintenance ScreensHow to access Predictive Maintenance screens Inverter DC Capacitors screenInverter AC Capacitors screen Top Fans screenMain Static Switch Fans screen Inverter Fans screenHow to Change the Air Filters Troubleshooting Alarm TypesAlarm button Alarm levelsHow to view active alarms How to view the event logTroubleshooting Alarm Types 06/2008 APC Worldwide Customer Support990-1377D-001

990 specifications

The APC 990 is a high-performance uninterruptible power supply (UPS) designed to provide reliable power protection for critical equipment in various settings, including data centers, network closets, and industrial environments. Recognized for its exceptional efficiency and robust features, the APC 990 caters to the needs of its users by ensuring continuous power availability.

One of the standout characteristics of the APC 990 is its modular design, which facilitates easy scalability and maintenance. This UPS system allows users to adapt to growing power needs by adding or replacing modules without significant downtime. The modular approach also enhances redundancy, ensuring that even if one module fails, the system continues to function efficiently.

The APC 990 boasts an impressive power factor, often rated at 0.9 or higher, which indicates its ability to deliver more usable power while minimizing energy loss. This feature not only improves the efficiency of the UPS but also reduces the overall energy consumption, contributing to a more environmentally friendly operation. The system’s high efficiency translates into lower operational costs for businesses that rely on it for power backup.

Equipped with advanced technologies, the APC 990 features Intelligent Battery Management (IBM) to optimize battery performance and lifespan. This technology intelligently adjusts charging parameters based on the specific characteristics of the connected batteries, thereby prolonging their operational life and enhancing reliability.

Furthermore, the APC 990 includes a user-friendly interface that provides real-time monitoring and alerts through a graphical LCD display. This interface allows users to access crucial information such as power status, load levels, and battery health at a glance. The system can also be integrated with network management solutions for remote monitoring, ensuring that users are always informed about the status of their power supply.

The robust physical design of the APC 990 ensures durability and performance even under demanding conditions. Its compact form factor enables efficient use of space, while its advanced cooling technology prevents overheating, thus maintaining optimal performance.

In summary, the APC 990 stands out in the market for its combination of modular design, high efficiency, advanced battery management, and user-friendly interface. These features make it an ideal choice for businesses seeking reliable and scalable power protection solutions for their critical infrastructure.