Performing Epo; Parallel System Operations; Installing Cables - Huawei UPS2000-G Series User Manual

UPS2000-G-(6 kVA-20 kVA)
User Manual
Step 4 Switch off the external battery circuit breaker (if any) or disconnect battery cables.
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5.2.4 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 5-7
Figure 5-7 EPO cable connection on a single UPS

5.3 Parallel System Operations

5.3.1 Installing Cables

Context
This section describes operations on a parallel system consisting of two 15 kVA/20
kVA UPSs.
Procedure
Step 1 Install power cables.
Issue 21 (2022-10-13)
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The operation in Step 3
power sources. When they use the same power source, you only need to switch off the UPS
AC input circuit breaker.
shows the EPO cable connection on a single UPS.
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● For UPS2000-G-15KRTL-01/UPS2000-G-20KRTL-01, choose Settings > System
Parameters > Other Settings and set EPO Enable to Enable.
● 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.
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is performed when the mains input and bypass input use different
5 Operations
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