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Features of this product
Thank you for purchasing the BY35S/BY50S/BY80S/BY120S Uninterruptible Power Supply (UPS).
This unit is a UPS designed specifi cally for personal computers.
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The UPS protects (backs up) personal computers, displays, peripherals, and so on up to a
power consumption of 350VA/210W (BY35S), 500VA/300W(BY50S), 800VA/500W(BY80S),
1200VA/720W(BY120S) from failures in the power supply, such as power failures and voltage
variations.
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It protects connected devices from surge coming from power line.
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You can easily replace batteries by yourself.
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By using the UPS monitoring software, the system can be shut down automatically when a
power failure occurs.
Read this manual thoroughly to make the most of the unit.
Introduction
©OMRON Corporation. 2011 All Rights Reserved.
Notes on the use of the Backup Power Supply
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This product is designed and manufactured for use with FA or OA equipment such as personal
computers.
Do not use it when very high reliability and safety are required as listed below.
• Medical equipment that may cause death directly
• Applications that may cause injury (applications that directly affect the operation and control
of planes, ships, railroads, elevators, and so on)
• Applications that are always subjected to vibration such as cars and ships
• Applications in which a failure of this product may cause signifi cant damage or effect to the
society and public (important computer systems, main communication equipment, public
transportation systems, and so on)
• Equipment with the same level of importance
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For equipment that greatly affects the safety of people and maintaining public functions, spe-
cial considerations related to operation, maintenance, and management must be taken such
as duplicating the system and emergency power generation facilities.
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Observe the contents of this manual such as the use conditions and environments.
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When you want to use this product for an important system that requires very high reliability,
contact us; ________________________________
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Do not modify/alter this product.
Disclaimers
We are not liable for any damage or secondary damage resulting from the use of our product, in-
cluding malfunction and failure of equipment, connected devices, or software.
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Make sure to read the safety precautions before using the unit.
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In the event you transfer or sell this unit to a third party, please include all of the documentation
that came with this unit. This is to ensure that the unit is used in line with the conditions de-
scribed in the included documentation.
• This manual contains important safety-related information. Please read and understand the
contents of the manual before beginning operation.
If you discover any omissions or errors in the manual, please contact the shop of purchase.
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Windows is the registered trademark of Microsoft Corporation in the United States and/or other
countries.
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The names of other companies and products mentioned herein are the trademarks or
registered trademarks of their respective owners.
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Note on user registration
Please fi ll out the required items on the included user registration card and send it to our
customer support center.
Voluntary Control Council for Interference (VCCI) by information technology
equipment
This is VCCI Class B equipment. Though the equipment is designed to be used in residential envi-
ronment, it may cause radio interference if used nearby the radio or TV receivers.
Operate it properly according to the instruction manual.
