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32 Installation Guide APC Silcon 10-40kW 400V UPS
990-4050
External Connection
4.7 APC Silcon Battery Cabinets
Installation and use of this product must comply with all national, federal, state, municipal or
local codes. If you need assistance, please have your UPS model and serial number ready and
call APC, see “How to Contact APC” in this guide.
For more information on the APC World Wide Web site at http://www.appc.com.
IMPORTANT SAFETY INSTRUCTIONS
a The installation of battery drawers in UPS cabinets requires battery knowledge and should be
made or supervised by qualified personnel only. Keep unauthorized personnel away from
batteries.
b Use identical battery types and numbers when replacing batteries. See battery supplier
manual for further details.
c CAUTION - Do not dispose of batteries in a fire. Battery may explode.
d CAUTION - Batteries are fully charged on delivery. Do not short battery terminals or DC
terminals.
e CAUTION - Avoid rough treatment and opening of batteries. Released electrolyte is harmful
to skin and eyes and may be toxic.
f CAUTION - Batteries may cause electric shocks and high voltage short-circuit current. Follow
below precautions when working with batteries:
1 Remove watches, rings and other metal objects.
2 Use tools with insulated handles.
3 Wear rubber gloves and boots.
4 Do not leave tools or metal parts on top of batteries.
5 Disconnect charging source prior to connecting batteries.
WARNING!
The entire system contains HAZARDOUS AC/DC VOLTAGES from several power sources.
Some terminals and components are live even with the system being switched off!
ONLY qualified electricians should carry out installations according to national and local codes.
NO UPS types may have built-in batteries when connected to external batteries!
NEVER install batteries not complying with APC specifications. Failing that, the installer takes
over full responsibility!
NEVER lift or transport connected or installed batteries.
NOTICE!
For reliability reasons do not stand on the UPS. keep the UPS cabinet surface free of any objects.