14
8
Powering On and Starting the UPS
Before power on, ensure that all the items in the
UPS5000 Commissioning and Acceptance
Report
have been checked, that there is no foreign matter or dust inside and outside the
cabinet, that the cabinets are connected securely, that cables are properly connected, and that
all the UPS switches and upstream switch are OFF.
Powering On the UPS
8.1
Switch on the UPS input circuit breaker QF1.
The UPS works in normal mode and starts
initialization. The LCD displays the Huawei
logo and an initialization progress bar.
Close the upstream input switch.
Is MCCB
input used?
Yes
Switch on the MCCB.
No: ATS
input is used.
Commission the ATS by following the
instructions in chapter 7 "ATS Commissioning
Before System Power-On".
Measure the voltage and frequency of the UPS input switch and upstream input switch. Voltage
range: 80
–280 V AC (phase voltage); frequency range: 40–70 Hz.
