Huawei UPS5000-E-400K-SM User Manual page 260

UPS5000-E-(350 kVA-800 kVA)
User Manual (50 kVA Power Modules)




Procedure
Step 1 Manually shut down the inverter to transfer the UPS to bypass mode.
Step 2 Select a value (± 5%, ± 6%, ± 7%, ± 8%, ± 9%, or ± 10%) from the ECO voltage range
drop-down list box.
Figure 5-15 Setting ECO voltage range
Step 3 Set Working mode to ECO. Information indicating that the UPS works in ECO mode is
displayed on the LCD.
Figure 5-16 Setting ECO mode
Step 4 Manually start the inverter.
Issue 05 (2018-01-08)
Both a single UPS and the parallel system support the ECO mode for higher efficiency.
To avoid frequent transfer between ECO mode and normal mode, do not set the ECO
mode when the bypass input is unstable or is sensitive to load changes.
ECO mode is not recommended when the load is less than 10%.
Before transferring the UPS to ECO mode, ensure that the bypass module works
properly.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
5 Operations
251