Connecting The Bcb Box; Connecting The Bbb Box; Installing A Battery Grounding Failure Detector - Huawei UPS5000-E-400K-SM User Manual

UPS5000-E-(350 kVA-800 kVA)
User Manual (50 kVA Power Modules)

3.2.4.4 Connecting the BCB Box

Open the cover of the battery circuit breaker box (BCB box), and connect the BCB port on the
dry contact card to the control signal port on the BCB box. For details, see PDU8000-(0125,
0250, 0400, 0630, 0800) DCV8-BXA001 BCB-BOX User Manual.
After you install the BCB box, adjust the disconnection protection threshold of the
end-of-discharge (EOD) based on backup time to avoid overcurrent disconnection. The
default values are as follows:
1. If backup time < 1 h, EOD is 1.67 V/cell.
2. If 1 h ≤ backup time < 3 h, EOD is 1.75 V/cell.
3. If backup time ≥ 3 h, EOD is 1.80 V/cell.

3.2.4.5 Connecting the BBB Box

Connect the BBB box. For details, see the PDU8000-(0630, 1250, 2000) DCV8-BGA001 BBB
Box User Manual.

3.2.4.6 Installing a Battery Grounding Failure Detector

Procedure
Step 1 Install a battery grounding failure detector.
For the installation method, see UPS Battery Grounding Failure Detector User Manual.
Issue 05 (2018-01-08) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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