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EATON Powerware
®
9155 Parallel UPS (8–15 kVA) User’s Guide S 164201592 Rev C www.powerware.com
3
Chapter 2 Safety Warnings
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This manual contains important instructions that you should follow during installation and
maintenance of the UPS and batteries. Please read all instructions before operating the
equipment and save this manual for future reference.
DANGER
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.
WARNING
S This UPS contains its own energy source (batteries). The UPS output may carry live
voltage even when the UPS is not connected to an AC supply.
S 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).
S To reduce the risk of fire, connect only to a circuit provided with 100 amperes maximum
branch circuit overcurrent protection in accordance with the National Electrical Code,
ANSI/NFPA 70.
S Output overcurrent protection and disconnect switch must be provided by others.
CAUTION
S Batteries can present a risk of electrical shock or burn from high short circuit current.
Observe proper precautions. Servicing should b e performed by qualified service
personnel knowledgeable of batteries and required precautions. Keep unauthorized
personnel away from batteries.
S Proper disposal of batteries is required. Refer t o your local codes for disposal
requirements.
S Never dispose of batteries in a fire. Batteries may explode when exposed to flame.