Powerware 9390 UPS 100160 kVA - Manual (Page 19)

EATON Powerware ® 9390 UPS (20–80 kVA) Installation and Operation Manual S 164201603 Rev 2 www.powerware.com 2-1
Chapter 2 Safety Warnings
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
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This manual contains important instructions that should be followed during installation and maintenance
of the UPS and batteries. Read all instructions before operating the equipment and save this manual for
future reference.
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The UPS is designed for industrial or computer room applications, and contains safety shields behind the
door and front panels. However, the UPS is a sophisticated power system and should be handled with
appropriate care.
D A N G E R
This UPS contains LETHAL VOLTAGES. All repairs and service should be performed by AUTHORIZED
SERVICE PERSONNEL ONLY. There are NO USER SERVICEABLE PARTS inside the UPS.
W A R N I N G
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The UPS is powered by its own energy source (batteries). The output terminals may carry live voltage
even when the UPS is disconnected from an AC source.
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To reduce the risk of fire or electric shock, install this UPS in a temperature and humidity controlled,
indoor environment, free of conductive contaminants. Ambient temperature must not exceed 40
C
(104 F). Do not operate near water or excessive humidity (95% maximum). The system is not intended for
outdoor use.
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Ensure all power is disconnected before performing installation or service.
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All precautions suggested by battery manufacurers concerning working on or around large battery banks
should be adhered to.
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Batteries can present a risk of electrical shock or burn from high short‐circuit current. The following
precautions should be observed: 1) Remove watches, rings, or other metal objects; 2) Use tools with
insulated handles; 3) Do not lay tools or metal parts on top of batteries; 4) Wear rubber gloves and boots.
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In order to change the 9390 UPS batteries from lead acid to Nicad or from NiCad to lead acid, the
internal firmware setup of the UPS must be changed by your Eaton Service representative. Failure to do
so will cause battery pack damage and loss of battery backup capability.
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ELECTRIC ENERGY HAZARD. Do not attempt to alter any UPS or battery wiring or connectors. Attempting
to alter wiring can cause injury.
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Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes. It may be toxic.
Figure