Transferring To Bypass Mode; Setting Eco Mode - Huawei UPS5000-E User Manual

UPS5000-E-(60 kVA-125 kVA)
User Manual (Integrated UPS 3.0)
Step 5 After the MDU initialization is complete, start the inverter.
----End
Lithium Battery Cold Start
Step 1 Check that the cables between the UPS and the lithium battery cabinet are
properly connected.
Step 2 Switch off the UPS input circuit breaker QF1.
Step 3 Power on the lithium battery cabinet. For details, see the user manual for the
lithium battery cabinet.
Step 4 Use a multimeter to measure the voltages of the positive and negative battery
strings connected to the UPS battery input terminals. If the measured values are
consistent with the voltages displayed on the System Status screen of the lithium
battery cabinet, the batteries are properly connected.
Step 5 When the green indicator on the BCU in the lithium battery cabinet blinks at 1 Hz
or is steady on, press and hold down the BATT START button on the UPS bypass
module for more than 2 seconds. The system automatically enters the battery cold
start state. The MDU displays the initialization progress bar.
Step 6 After the MDU initialization is complete, start the inverter.
----End

6.7 Transferring to Bypass Mode

Before shutting down the inverter, ensure that the bypass is normal. If the bypass
is not normal, after the inverter is shut down, the UPS supplies no power, and the
loads shut down.
Shut down the UPS inverter. Shut down the inverter on the LCD, and the UPS
transfers to bypass mode.

6.8 Setting ECO Mode

Context
●
●
Issue 06 (2023-08-25)
NO TICE
NO TE
If the inverter is shut down when the input voltage or frequency exceeds the specified
threshold, the UPS supplies no power, and the loads shut down.
The UPS is set to non-ECO mode by default. Set the UPS to ECO mode when
it is required.
In ECO mode, the bypass takes priority over the inverter in supplying power. If
the bypass is disconnected, the UPS transfers to inverter mode. The transfer
Copyright © Huawei Digital Power Technologies Co., Ltd.
6 Power-On and Commissioning
177