Huawei UPS5000-A-400 kVA User Manual page 155

UPS5000-A-400 kVA
User Manual (50 kVA, PF=0.9)
Prerequisites
Measure the voltage and frequency where the UPS input circuit breakers (mains and bypass
input circuit breakers) on the bypass cabinet the external input switch is located. The voltage
range is 138–485 V, and the frequency range is 40–70 Hz.
Procedure
Step 1 Power on the UPS. The following describes how to power on the UPS in full configuration
and standard configuration.
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Step 2 After the LCD starts properly, perform the following operations:
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1.
Issue 03 (2020-01-10)
To power on a UPS in full configuration (configured with an internal mains input switch,
internal bypass input switch, internal output switch, and internal maintenance bypass
switch), perform the following operations:
a. Turn on the external bypass and mains input switches.
b. Turn on the internal bypass input switch.
c. Turn on the internal output switch.
d. Turn on the internal mains input switch.
e. Close the input surge protection circuit breaker (if any).
The UPS begins to work in normal mode and starts initialization. The LCD displays the
Huawei logo and an initialization progress bar.
To power on a UPS in standard configuration (configured only with an internal
maintenance bypass switch), perform the following operations:
a. Turn on the external bypass and mains input switches.
b. Close the input surge protection circuit breaker (if any).
The UPS begins to work in normal mode and starts initialization. The LCD displays the
Huawei logo and an initialization progress bar.
If you do not close the input surge protection circuit breaker, the system can start properly but will
generate an alarm, asking you to close the input surge protection circuit breaker.
If the UPS is starting for the first time, set the language, date and time, network
parameters, and system parameters on the Settings Wizard screen.
If this is not the first startup, retain the previous settings.
After you specify the settings, the Bypass mode and No battery alarms are displayed on the LCD.
The common buttons on the Settings Wizard screen are described as follows:
 Click Previous to return to the upper-level screen.
 Click Next to go to the next screen.
 Click Cancel to exit the Settings Wizard screen.
Various languages are available, such as Chinese and English. Press Down and Up to
view the language types, as shown in
Copyright © Huawei Technologies Co., Ltd.
Figure 5-2.
5 Operation Guide
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