To prevent triggering overload protection, start the loads with higher power and then loads
with lower power.
----End
6.2.1.7 Performing EPO
Turn on the EPO switch (provided by the customer). The UPS enters the EPO state.
That is, the UPS shuts down the inverter, and does not transfer to bypass mode.
Figure 6-14 EPO cable connection on a single UPS
● Connect an external switch to the EPO ports of the UPS. After you turn on the switch in
the case of emergency, the inverter stops and the UPS does not transfer to bypass
mode. In this way, the UPS stops supplying power through the output terminals
immediately.
● The external EPO switch (switch or dry contact signal controlled by a switch) is provided
by the customer.
UPS2000-H-(6 kVA-10 kVA)
User Manual 6 Power-On Commissioning
Issue 03 (2023-08-20) Copyright © Huawei Digital Power Technologies Co., Ltd. 108
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