Eaton 93PR - Chapter 1 SAFETY INSTRUCTIONS

Eaton 93PR 500 kW UPS
User's and Installation Guide 1
Chapter 1 SAFETY INSTRUCTIONS
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.