User`s manual

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7
1-2 BENEFITS
The ETERNALIGHT 1 is designed to fit the needs for virtually all power conditioning and
UPS applications. It has been specifically designed to power all forms of modern data
processing, communications, process control equipment, lighting and emergency
lighting equipment. The UPS does not require any derating as other UPS products may
when powering 100% electronic loads including switch-mode power supplies.
The ETERNALIGHT 1 protects sensitive electrical equipment, such as computer
systems, telecommunication networks, LANs, multi-user systems and instrumentation
systems from electrical interference. The UPS protects these systems from power
problems associated with poor quality AC power including complete power outages.
Electrical disturbances can come from practically anywhere: from the incoming power
lines and from within a building. Outside electrical disturbances include lightning strikes,
utility switching, brownouts, and accidents. Electrical disturbances from within the
building can be caused by load cycling (elevators, HVAC systems) fault conditions,
welders, and other electrically noisy equipment. Whether the electrical disturbances are
generated outside or from within the facility, the following power problems will occur:
• Complete power outages
• Brown-outs including momentary sags
• Voltage surges
• Transients including common-mode and transverse-
mode noise
• Frequency shifts and fluctuations
Sensitive electrical equipment needs protection from power problems. Without power
protection, users of sensitive equipment may experience:
• Loss of data including data corruption
• Database corruption
• Equipment and component deterioration
• Premature equipment failures
• Unexpected equipment failures
• Missed deadlines, especially during batch processing
• Loss of real-time transaction processing
• Loss of employee productivity