Paper
protective film
Sealing putty
16
5
Powering On and Starting the UPS
Powering On the UPS
5.1
Turn on the upstream mains input switch.
Turn on output circuit breaker Q5-1, Q5-2 and Q5-3.
Turn on input circuit breaker Q1-1, Q1-2, Q1-3 and upstream bypass input switch.
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 mains and bypass inputs of the UPS, or the voltage
and frequency output from the external input power distribution cabinet (PDC) to the UPS.
Ensure that the line voltage is in the range of 138
–485 V AC and the frequency is in the range
of 40
–70 Hz.
After the UPS is powered on, initialization begins. The monitoring display unit (MDU)
displays the Huawei logo and an initialization progress bar.
4
Verifying the Installation
1. Check that there is no foreign matter in the
cabinets.
2. (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
3. After verifying the installation, reinstall all the
covers.
4. Do not remove the dustproof cover before
power-on to prevent dust from entering the
UPS.
Sealing putty must be used as a whole and
the gap can be sealed only from the top.
Turn on SPD switch 1QFS and 2QFS.
