Connecting A Remote Epo Switch - Huawei UPS5000-E-200K-SM User Manual

UPS5000-E-(200 kVA-300 kVA)
User Manual (50 kVA Power Modules)
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3.2.11 Connecting a Remote EPO Switch

● The Company does not provide the EPO switch or cable. Prepare them by
● Equip the EPO switch with a protective cover to prevent misoperations, and
● Triggering EPO will shut down the rectifier, inverter, charger, and static bypass,
● Set remote EPO for the SmartLi system separately. The SmartLi system shall
Connect the requisite EPO switch to UPS dry contacts.
●
●
Figure 3-111 Cable connection for an NC EPO switch
Figure 3-112 Cable connection for an NO EPO switch
Issue 17 (2023-07-10)
NO TE
The number and colors of signal cables are for reference only.
NO TICE
yourself. The recommended cable size 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.
not share switch contacts with other devices such as the UPS.
Figure 3-111 shows the cable connections for an NC EPO switch.
Figure 3-112 shows the cable connections for an NO EPO switch.
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