Performing Epo - Huawei UPS2000-G-3KRTL-V2 User Manual

UPS2000-G-(3 kVA-20 kVA)-V2
User Manual (Two Live Wires)
Step 4 Open the external battery circuit breaker for each UPS or the general battery circuit breaker
(when all UPSs share a battery string). If no external battery circuit breaker is configured,
disconnect battery cables from each UPS.
----End

5.3.3 Performing EPO

Turn on the EPO switches (provided by the customer). The parallel system enters the EPO
state. That is, the inverters shut down, and the parallel system will not transfer to bypass
mode.
Figure 5-4
Figure 5-4 EPO cable connection in a parallel system
Issue 07 (2019-12-19)
shows the EPO cable connection in a parallel system.

Connect an external switch to the EPO port on the UPS. After you turn on the switch, the UPS stops
inverter output and does not transfer to bypass mode. Output terminals completely power off, which
meets the emergency power-off purpose.
 The external EPO switch (switch or dry contact signals controlled by a switch) is provided by the
customer.
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