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UPS User’s Guide S Rev B www.powerware.com
Chapter 6 Battery Cabinet Installation
If you are not installing battery modules into a separate external battery
cabinet, continue to “UPS Startup” on page 63.
WARNING
Only qualified service personnel (such as a licensed electrician) should perform
the battery cabinet installation. Risk of electrical shock.
CAUTION
쑺 Before connecting an external battery cabinet to the UPS cabinet or to
another external battery cabinet, verify that all AC input power is removed
from the UPS. Open the input service circuit breaker or turn the external
bypass switch to the SERVICE position.
쑺 Disconnect all battery strings in the UPS cabinet and/or battery cabinet to
ensure DC voltage is removed from the internal DC buses. You can remove
all battery modules or unplug each pair of battery modules from the cabinet
backplane.
1. Open the carton containing the external ba ttery cabinet cable
assembly.
2. Locate the 3-slot section in the UPS cabinet that contains the
power entrance panel. Unscrew and remove the rear panel of
this section (see Figure 42).
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