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design allows authorized service personnel to remove repairable components with
very little disassembly. All repairable parts and assemblies are located in the front
of the UPS, allowing all routine maintenance and servicing to be performed with
front panel access.
You must schedule periodic performance checks of your UPS to keep it running
properly. Regular routine checks of operation and system parameters will enable
your UPS system to function efficiently for many trouble-free years.
Important Safety Instructions
Remember that your UPS is designed to supply power EVEN WHEN
DISCONNECTED FROM THE UTILITY POWER. The UPS interior is unsafe until the
DC power source is disconnected and the electrolytic capacitors are discharged.
After disconnecting the utility power and the DC power, authorized service
personnel should wait at least 5 minutes before attempting internal access to the
UPS system.
WARNING:
LETHAL VOLTAGE PRESENT. This unit should not be operated with the cabinet
doors open or protective panels removed. Do not make any assumptions about
the electrical state of any cabinet in the UPS system.
WARNING:
Battery maintenance or battery replacement should be performed by
authorized service personnel only. Keep unauthorized personnel away from
battery room.
Powerware BPIII Harsh Environment UPS 50--75 kVA Installation and Operatio
164201261 Rev. F 111503
Maintaining the UPS System
The components inside the UPS cabinet are secured to a
sturdy metal frame that is supported by the UPS magnetics. This
n
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