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Step 2.
Check the UPS front panel display for active alarms or notices. Resolve any active alarms before
continuing. See the Troubleshooting section.
Step 3.
Check the UPS status from the front panel to view the active alarms. Correct the alarms and
restart if necessary.
Shutting down the UPS
To shut down the UPS:
Step 1.
Press the
button on the UPS front panel. The UPS goes into Standby mode.
Step 2.
If desired, set the upstream circuit breaker (not provided) to the "O" (off) position to switch off
the utility power.
The UPS turns off.
UPS start-up with HotSwap MBP
Note: Verify that the total equipment ratings do not exceed the UPS capacity to prevent an overload alarm.
Step 1.
Check that the UPS is correctly connected to the HotSwap MBP (see "HotSwap MBP connection"
on page 31).
Step 2.
Verify that the MBP terminal blocks are connected to the normal AC source and, if so wired,
to the Bypass AC source.
Step 3.
Check that the MBP's manual Bypass switch is set to the Bypass position.
Step 4.
Set the upstream circuit breaker (not provided) to the I position (on) to switch on the utility power,
and set the Bypass source upstream circuit breaker (not provided) to the I position (on) to switch
on the Bypass power.
Step 5.
Verify that the Bypass mode red light on the MBP goes on, indicating that the load is now powered
by the normal AC source the or Bypass AC source.
Step 6.
Set the MBP's Normal AC source switch and Bypass AC source switch (if present) to the I position.
Step 7.
Verify that the UPS is correctly powered (the UPS display panel illuminates).
Step 8.
Press the UPSOn button to start the UPS.
Step 9.
Select Control ➙ Go to Bypass (Bypass LED should be On).
Step 10. Verify that the UPS mode green light on the MBP goes on, indicating that the UPS output power is
available on the MBP.
Important: Do not continue to the next step if the UPS mode"green light on the MBP is still off.
Step 11. Set the MBP's manual Bypass switch to the UPS position.
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6U Rack or Tower UPS RT8.0kVA and RT11.0VA and Maintenance Bypass Installation and User's Guide
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