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Eaton 9170
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UPS (3–18 kVA) User's Guide S 164201393 Rev E www.eaton.com/powerquality
61
Chapter 6 Battery Cabinet Installation
If you are not installing battery modules into a separate external battery
cabinet, continue to “UPS Startup” on page 67.
W A R N I N G
Only qualified service personnel (such as a licensed electrician) should perform the battery
cabinet installation. Risk of electrical shock.
C A U T I O N
S 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.
S 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.
To install an external battery cabinet:
1. Open the carton containing the external battery 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).