Replacing The Ups; Removing The Ups - Lenovo RT8.0kVA Installation And User Manual

6u rack or tower ups
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Replacing the UPS

The HotSwap MBP allows you to service or replace the UPS without interrupting
the connected loads.

Removing the UPS

About this task
To remove the UPS:
Procedure
Figure 11. Locking the UPS Input switch (8/11k VA 1Phase)
During the battery test, the UPS transfers to Battery mode and discharges the
battery pack for 25 seconds. The front panel displays "Battery test in
progress" and the percentage of the test completed.
1. Press any button to activate the menu options. Then, select Control > Bypass.
2. Verify that the UPS is in Bypass mode by checking its display panel. (The
Bypass LED is on:
3. Move the manual rotary switch on the MBP to the Bypass position. The
Bypass mode red light on the MBP goes on, indicating that the load is
powered directly from utility power or, if so wired, by the Bypass AC source.
4. Pull out the yellow tab on the MBP rotary switch and install a lock to ensure
that the switch remains in the Bypass position, to prevent the load from
losing power during servicing.
5. Switch the MBP's UPS Input switch and UPS Bypass Input switch (3Phase
model only) to the 0 (off) position. Install locks to ensure that they remain in
the 0 (off) position.
Important: To prevent exposure to hazardous voltage, the switches must
remain in the 0 (off) position during servicing and while the UPS is
disconnected.
.)
Chapter 7. UPS maintenance
51

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