UPS2000-G-(3 kVA-20 kVA)-V2
User Manual (Two Live Wires)
5 Operations
Issue 07 (2019-12-19)
Copyright © Huawei Technologies Co., Ltd.
81
----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.
shows the EPO cable connection on a single UPS.
Figure 5-2
EPO cable connection on a single UPS
Connect an external switch to the EPO port on the UPS. After you turn on the switch, the inverter
shuts down, and the UPS will not transfer to bypass mode. Output terminals completely power off,
which meets the EPO purpose.
The external EPO switch (switch or dry contact signals controlled by a switch) is provided by the
customer.
5.3 Parallel System Operations
This section describes operations on a UPS2000-G-15 kVA/20 kVA (dual-live-wire input
dual-live-wire output) parallel system.