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Introduction
2.0INTRODUCTION
Congratulations on your choice of the Liebert PowerSure™ PSI Uninterruptible Power Supply (UPS). It provides conditioned power to microcomputers and other sensitive electronic equipment.
Upon generation, AC power is clean and stable. However, during transmission it may be subject to voltage sags, spikes, or complete power failure which may interrupt computer operations, cause data loss, or even damage equipment. The PowerSure PSI protects equipment from these disturbances.
The PowerSure PSI comes in nominal power ratings of 1000, 1440, 2200, or 3000 VA. Refer to 12.0 - Specifications for details.
The PowerSure PSI is a 2U,
For ease of use, the PowerSure PSI contains Status Indicators to display Load Level, Battery Level, Buck/Boost, Over Temperature and Battery. It also provides
The PowerSure PSI has USB,
Figure 1 Front view of UPS
OFF Button
ON/Alarm Silence/
Battery Test Button
Voltage
Programming
Button
UPS Display (bezel removed)
Fault
Indicator
Load Level Indicators
Battery Level Indicators
UPS Status Indicators
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