Remote Epo - Huawei UPS5000-S-400K-SM User Manual

UPS5000-S-(350 kVA-800 kVA)
User Manual
Figure 3-85 Signal cables routed from the bottom
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Follow-up Procedure
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3.2.8 Remote EPO

● Huawei does not provide the EPO switch or cable. If the cable is required, the
● Equip the EPO switch with a protective cover to prevent misoperations, and
● Triggering EPO will shut down the rectifier, inverter, charger, and static bypass,
Connect the requisite EPO switch to UPS dry contacts.
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Issue 12 (2023-05-26)
After connecting cables, reinstall the covers of the power distribution subrack,
rear panel, and side panel of the bypass cabinet.
After connecting cables, check that a certain clearance is reserved between
the internal switch (if any) extension pole and power cables to avoid friction.
NO TICE
recommended cable is 22 AWG.
cover the cable with protective tubing.
but does not disconnect the UPS mains input. To power off the UPS completely,
open the front-end input switch when triggering EPO.
Figure 3-86 shows the cable connections for an NC EPO switch.
Figure 3-87 shows the cable connections for an NO EPO switch.
Copyright © Huawei Digital Power Technologies Co., Ltd.
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