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IMPORTANT SAFETY INSTRUCTIONS
2 Symmetra PX 10-40 kW 208 V Operation & Maintenance Guide - 990-4104B
Weight symbols
Operation safety
Total Power OFF procedure
<40 lb 40 - 70 lb. 70 - 120 lb >120 lb
WARNING!
- Hazardous electrically-charged parts inside the UPS are energized from the
battery supply even when the AC power is disconnected. Follow Total Power Off
procedure to completely de-energize the system.
- Remove all conductive jewelry such as chains, watches, and rings before handling
the Battery Units.
- Battery Units do not contain serviceable parts. Do not open.
- Do not dispose of Battery Units in a fire, as they may explode. Do not mutilate
Battery Units, as released electrolyte is harmful to the skin and eyes and may be
toxic.
WARNING!
After the UPS has been electrically wired, do not start it up. Start-up is
commissioned to APC-authorized personnel only.
For configurations including customer-supplied external batteries, refer to
manufacturer’s battery installation and maintenance instructions.
WARNING!
Before electrical installation begins, verify that the UPS is in the Total Power Off
mode by following this procedure.