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Chapter 1 SAFETY INSTRUCTIONS
TIONS
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
This manual contains important instructions that should be followed during installation and maintenance of the
UPS and batteries. Please read all instructions before operating the equipment and save this manual for future
reference. The UPS operates with mains, battery or bypass power. It contains components that carry high
currents and voltages. The properly installed enclosure is earthed and IP20 rated against electrical shock and
foreign objects. However, the UPS is a sophisticated power system and only qualified personnel is allowed to
install and service the UPS.
WARNING
• Operations inside the UPS must be performed by a service engineer from the manufacturer or from
an agent authorized by the manufacturer.
• 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
• The UPS is powered by its own energy source (batteries). The output terminals may be energised
even when the UPS is disconnected from an AC source. 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.
• Ensure all AC and DC power sources are disconnected before performing installation or service.
Power may come from multiple sources.
•
In parallel system, output terminals may be energised even when the UPS is turned off.
• Ensure system grounding/PE continuity when undertaking installation or service.
• Batteries can present a risk of electrical shock or burn from high short-circuit current.
• ELECTRIC ENERGY HAZARD. Do not attempt to alter any battery wiring or connectors. Attempting
to alter wiring can cause injury.
• Do not open or mutilate batteries. Released electrolyte is harmful to the skin and eyes. It may be
toxic.
•
IMPORTANT: the battery may consist of multiple parallel strings, disconnect all strings before
installation.
Summary of Contents for 93PR Series
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