9
5
Powering On and Starting the UPS
2. After verifying the installation, reinstall all
the covers.
3. (Remove the paper protective film from the
sealing putty.) After routing cables and
verifying cable connections, seal the gap
between cables and the cabinet using
sealing putty.
Dustproof cover
4. Do not remove the dustproof cover before
power-on to prevent dust inside the UPS.
Powering On the UPS
5.1
Close the upstream bypass and mains input switches.
After the UPS is powered on, initialization begins. The MDU displays the Huawei logo and an
initialization progress bar.
Sealing putty
Sealing putty must be used as a whole and
the gap can be sealed only from the top.
Paper
protective film
1. Before powering on the UPS, ensure that the UPS has passed all check items in the
UPS5000
Commissioning and Acceptance Report
and Chapter 4.
2. Measure the voltage and frequency of the UPS upstream input switch. The line voltage range is
138
–485 V AC, and the frequency range is 40–70 Hz.