Remote Epo - Huawei UPS5000-E-600K-SC User Manual

UPS5000-E-(600 kVA-800 kVA)
User Manual
Figure 3-66 Neutral wire

3.2.8 Remote EPO

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Connect the prepared EPO switch to UPS dry contacts.
cable connections for an NC EPO switch and an NO EPO switch.
Issue 02 (2016-01-20)
After you connect cables, reinstall the beam and switch extension poles (if removed), power distribution
covers, and bypass cabinet side panel on the cabinet.
Huawei does not provide the EPO switch or cable. Prepare them by yourself. The
recommended cable is 22 AWG.
Equip the EPO switch with a protective cover to prevent misoperations, and cover the
cable with protective tubing.
Triggering EPO will shut down the rectifier, inverter, charger, and static bypass, but does
not disconnect the UPS mains input. To power off the UPS completely, turn off the
front-end input switch when you trigger EPO.
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Figure 3-67 and Figure 3-68
3 Installation
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