Replacing The Internal Batteries - Eaton 9355-F47 Unirom User Manual

Replacing the Internal Batteries

Eaton 9355-F47 Unirom UPS (10/15 kVA) User's Guide
Lethal voltage will be present when performing the steps in this section.
To replace the internal batteries:
1. Notify others working in the immediate area that the UPS is under
maintenance control.
2. Verify that the input, output, and battery circuit breakers are in the
OFF position (see Figure 41).
3. Using customer-provided locks, lock the input and output circuit
breakers in the OFF position. Display a DO NOT OPERATE tag,
completed with your name, the date, and the time of locking.
4. Verify the absence of hazardous energy according to Table 1 on
page 9.
D A N G E R
Figure 41. UPS Rear View
S
164201642 Rev C www.eaton.com/powerquality
UPS MAINTENANCE
UPS Battery
Circuit Breaker
Input and Output
Circuit Breakers
85