Huawei UPS5000-E Series User Manual page 183

UPS5000-E-(40 kVA-128 kVA)
User Manual (Integrated UPS 2.0)
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Procedure
Step 1 Manually shut down the inverter to transfer the UPS to bypass mode. For details, see
6.4 Shutting Down and Powering Off the UPS.
Step 2 Select a value (± 5%, ± 6%, ± 7%, ± 8%, ± 9%, or ± 10%) from the ECO voltage range
drop-down list box, as shown in Figure 6-23.
Figure 6-23 Setting ECO voltage range
Step 3 Set Working mode to ECO, as shown in Figure 6-24. Information indicating that the UPS
works in ECO mode is displayed on the LCD.
Issue 04 (2018-04-20)
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.
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6 Operations
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