UPS2000-G-(6 kVA-20 kVA)
User Manual
5 Operations
Issue 13 (2019-05-05)
Copyright © Huawei Technologies Co., Ltd.
71
Non-initial startup
When the initialization is complete, the standby screen is displayed. On the standby
screen, press
to enter the main menu. Choose
Main Menu
>
Settings
>
System
Parameters
>
Output
to view output settings: if the system uses three-phase input
three-phase output,
Output mode
is set to
Three-phase
; if the system uses three-phase
input single-phase output or single-phase input single-phase output,
Output mode
is set
to
Single-phase
.
Voltage level
and
Frequency level
are set based on the rated voltage
and frequency. Press
ESC
to return to the standby screen.
Step 3
Perform "startup operations" on the UPS. The UPS runs in battery mode.
Step 4
When the UPS runs properly, close the UPS AC output circuit breaker Q1, and start the loads.
To prevent triggering overload protection, start the loads with higher power and then loads with lower
power.
----End
5.2.2 Shutting down the UPS
Shutting down the Inverter
To shut down the inverter, perform any of the following operations:
On the default screen, hold down
ESC
for more than 5 seconds. Release the button when
you hear a beep sound. The inverter shuts down, and the UPS transfers to bypass mode.
On the default screen, press
to enter the main menu. Choose
Shutdown
to shut
down the inverter. The UPS transfers to bypass mode.
The two methods are called "shutdown operations" in this section.
Shutting down the UPS
Step 1
Shut down the loads.
Step 2
Perform "shutdown operations" on the UPS. The inverter shuts down. The UPS transfers to
bypass mode.
Step 3
Open the UPS mains input circuit breaker K
m
1, bypass input circuit breaker K
b
1, and output
circuit breaker Q1.
Perform
when there are two mains inputs. In the case of one mains input, you need only to open
the UPS mains input circuit breaker.
Step 4
Open the external battery circuit breaker (if there is), or disconnect battery cables.
----End
5.2.3 Performing EPO
Turn on the EPO switch (provided by the customer). The UPS enters the EPO state. That is,
the inverter shuts down, and the UPS will not transfer to bypass mode.
