UPS Operating Instructions

3.The UPS is now operating in Bypass mode and the BYPASS status indicator is illuminated.

The power module (PM) status indicates READY. The system is now on bypass and the UPS power processor remains on.

W A R N I N G

Power is present inside the UPS cabinets.

10.1.5 Transfer from Bypass to Normal Mode

To transfer the critical load to Normal mode, perform the following procedure:

1.Press the CONTROLS pushbutton on the main menu bar. The System Controls screen appears.

2.Press the NORMAL pushbutton on the System Controls menu bar.

The UPS transfers to Normal mode. If the power processor is not available, the system remains on bypass and an alarm sounds.

3.The UPS is now operating in Normal mode, and the NORMAL status indicator is illuminated.

The power module (PM) status indicates ONLINE.

10.1.6Transfer from Normal to Bypass Mode and Shut Down UPS

To transfer the critical load to Bypass mode and shut down the UPS, perform the following procedure:

1.Transfer the critical load to bypass by performing the procedure in paragraph 10.1.4.

2.Press the CONTROLS pushbutton on the main menu bar. The System Control screen appears.

3.Press the pushbutton to display System Controls Screen 2.

4.Press the PM OFF pushbutton on the System Controls menu bar.

The power module (PM) status indicates SHUTDOWN. The input and output contactors open, the battery breaker or disconnect is tripped, and the power module is turned off. The bypass source supplies the critical load.

W A R N I N G

Power is present inside the UPS cabinets.

10-4

Powerware® 9390 UPS (40–80 kVA) Installation and Operation Manual S 164201535 Rev C

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Powerware 9390 operation manual Transfer from Bypass to Normal Mode, Transfer from Normal to Bypass Mode and Shut Down UPS

9390 specifications

The Powerware 9390 is a high-performance uninterruptible power supply (UPS) designed for critical applications in data centers, telecommunications, and other industries requiring maximum uptime. This UPS system is renowned for its durability, efficiency, and advanced technological features, making it an ideal choice for environment-sensitive operations.

One of the standout characteristics of the Powerware 9390 is its modular architecture. This design allows for scalability, enabling businesses to tailor the power supply to fit their specific needs. Users can add or remove power modules as demand fluctuates, ensuring optimal performance without overspending on unnecessary capacity. The system is available in various power ratings, typically ranging from 40 kVA to 750 kVA.

Among the key technologies utilized in the Powerware 9390 is the Advanced Battery Management (ABM) system. This innovative feature helps extend battery life by monitoring and optimizing charging cycles. The ABM technology uses an intelligent three-stage charging process, significantly reducing battery wear while ensuring high availability of power during outages. This enhancement not only improves reliability but also lowers maintenance costs over time.

Energy efficiency is another hallmark of the Powerware 9390, as it incorporates double-conversion technology to maintain voltage stability. This ensures that sensitive electronic equipment is protected from surges and fluctuations in power supply. Additionally, the UPS offers high input power factor and low harmonic distortion, contributing to overall energy savings while minimizing the environmental impact.

The Powerware 9390 is equipped with advanced monitoring and management features that allow users to maintain complete control over their power infrastructure. An intuitive LCD display provides real-time metrics on system performance, battery status, and operational logs. Furthermore, the UPS can be integrated with network management systems, enabling remote monitoring and management via web interfaces.

In terms of safety characteristics, the Powerware 9390 adheres to rigorous industry standards, ensuring that it provides reliable performance under various operating conditions. Its robust construction and redundant components further enhance reliability, making it a popular choice in mission-critical environments.

In conclusion, the Powerware 9390 stands out as a leader in the UPS market, combining modular scalability, advanced battery management, energy efficiency, and robust safety features. Its ability to adapt to the needs of dynamic organizations while providing reliable power protection makes it an invaluable asset for any critical application. With its state-of-the-art technologies, businesses can depend on the Powerware 9390 for continuity, efficiency, and peace of mind.