Huawei UPS5000-A - Battery Mode; Maintenance Bypass Mode; ECO Mode

2.3.3 Battery Mode
If the AC input voltage of the rectier becomes abnormal, the UPS transfers to
battery mode. The power unit obtains DC power from batteries, which is converted
into AC output over the inverter.
Figure 2-5 Battery mode
2.3.4 Maintenance Bypass Mode
When the UPS works in maintenance bypass mode, the current ows through the
maintenance bypass instead of the power unit and bypass unit, allowing you to
maintain the UPS.
Figure 2-6 Maintenance bypass mode
2.3.5 ECO Mode
The economic control operation (ECO) mode is an energy-saving mode, which you
can congure on the liquid crystal display (LCD) or web user interface (WebUI). In
UPS5000-A-(30 kVA-120 kVA)
User Manual 2 Product Overview
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