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DBU20B-N12A3
Huawei DBU20B-N12A3 Manuals
Manuals and User Guides for Huawei DBU20B-N12A3. We have
2
Huawei DBU20B-N12A3 manuals available for free PDF download: User Manual, Quick Manual
Huawei DBU20B-N12A3 User Manual (70 pages)
Distributed Power System
Brand:
Huawei
| Category:
Power Supply
| Size: 2.35 MB
Table of Contents
About this Document
3
Table of Contents
5
Safety Precautions
7
General Safety
7
Personnel Requirements
11
Electrical Safety
11
Installation Environment Requirements
13
Mechanical Safety
14
Battery Safety
17
Overview
21
Introduction
21
Features
22
System Configuration
23
Components
25
Psu (Dpu40D-N06A3)
25
Lithium Battery (DBU20B-N12A3/DBU50B-N12A1)
29
Optional) LIVE-C APP
33
Installing the LIVE-C APP
33
Logging in to the LIVE-C APP
33
Maintenance
36
Preventive Maintenance
36
Exterior
36
Distributed Power Unit
37
Lithium Battery
37
Cable
38
Rectifying Common Faults
39
AC Power Failure
39
AC Overvoltage
39
AC Undervoltage
40
DC Overvoltage
40
DC Undervoltage
40
Parallel Fail
40
Communication Failure
41
Rectifier Fault
41
Rectifier Power Failure
41
Communication Failure (ESMU)
42
All ESMU Communication Failure
42
Board Hardware Fault
42
Low Temperature Protection
42
High Temperature Protection
42
Overcharge Protection
43
Overdischarge Protection
43
Battery Cell N Fault
43
Discharge Overcurrent Protection
43
Charge Overcurrent Protection
44
Heater Fault
44
BMU Missing
44
Component Replacement
44
Replacing a Quick Connector (PSU)
45
Replacing a Quick Connector (Lithium Battery)
48
Replacing a PSU (PSU Only)
49
Replacing Psus (Interconnected Psus)
51
Replacing a PSU (PSU Plus Lithium Battery)
54
Replacing a Lithium Battery (Lithium Battery Only)
55
Replacing a Lithium Battery (PSU Plus Lithium Battery)
57
Replacing a DC Fuse
59
A Technical Specifications
62
B Alarm Description
68
C Acronyms and Abbreviations
69
Huawei DBU20B-N12A3 Quick Manual (9 pages)
Distributed Power
Brand:
Huawei
| Category:
Power distribution unit
| Size: 3.3 MB
Table of Contents
Installation Preparations
2
Installing Cables
6
Verifying the Installation
8
Power-On Commissioning
8
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