KEHUA TECH MR33120 User manual

Uninterruptible Power Supply MR33120
User Manual

All rights reserved ©Kehua Data Co., Ltd.
i
Copyright © Kehua Data Co., Ltd. 2021.All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior
written consent of Kehua Data Co., Ltd.
Trademarks and Permissions
and other Kehua trademarks are trademarks of Kehua Data Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
Notice
The purchased products, services and features are stipulated by the contract made between Kehua and
the customer. All or part of the products, services and features described in this document may not be
within the purchase scope or the usage scope. Unless otherwise specification in the contract, all
statements, information, and recommendations in this document are provided “AS IS” without warranties,
guarantees or representations of any kind, either express or implied.
The information in this document is subject to change without notice. Every effort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute a warranty of any kind, express or implied.
KEHUA DATA CO.,LTD.
Address:
No.457,MalongRoad,TorchHigh-TechIndustrialZone,Xiamen,Fujian,China
Website:
www.kehua.com
E-mail:
[email protected]
Customer Service Telephone:
400-808-9986
Tel:
0592-5160516
Fax:
0592-5162166

Foreword
Uninterruptible Power Supply MR33120
User Manual
ii
All rights reserved ©Kehua Data Co., Ltd.
Foreword
Summaries
Thank you for choosing the UPS!
This document gives a description of the MR33120, including the features, performance, appearance,
structure, working principles, installation, operation and maintenance, etc.
Please save the manual after reading, in order to consult in the future.
The figures in this manual are just for reference, for details please see the actual product.
Suitable Model
MR33120
Symbol Conventions
The manual quotes the safety symbols, these symbols used to prompt users to comply with safety
matters during installation, operation and maintenance. Safety symbol meaning as follows.
Symbol
Description
Alerts you to a high risk hazard that could, if not avoided, result in
serious injury or death.
Alerts you to a medium or low risk hazard that could, if not
avoided, result in moderate or minor injury.
Alerts you to a potentially hazardous situation that could, if not
avoided, result in equipment damage, data loss, performance
deterioration, or unanticipated results.
Anti-static prompting.
Be care electric shock prompting.

Uninterruptible Power Supply MR33120
User Manual
Foreword
All rights reserved ©Kehua Data Co., Ltd.
iii
Symbol
Description
Provides a tip that may help you solve a problem or save time.
Provides additional information to emphasize or supplement
important points in the main text.
Product standard: Q/ZZKJ 007

Contents
Uninterruptible Power Supply MR33120
User Manual
iv
All rights reserved ©Kehua Data Co., Ltd.
Contents
1 Safety Description.........................................................................................................................1
1.1 Safety Announcements.....................................................................................................................................1
1.1.1 Safety Instructions ..................................................................................................................................1
1.1.2 Use Announcements for Battery.............................................................................................................4
1.1.3 ESD Protection........................................................................................................................................5
1.1.4 Grounding Requirements........................................................................................................................5
1.1.5 Warning Mark Setting.............................................................................................................................5
1.2 Operation and Maintenance Requirements ......................................................................................................5
1.3 Environment Requirements..............................................................................................................................7
2 Overview.........................................................................................................................................8
2.1 Product Intro.....................................................................................................................................................8
2.1.1 Model Meaning.......................................................................................................................................8
2.2 Features............................................................................................................................................................9
2.3 Working Principle........................................................................................................................................... 11
2.3.1 Schematic Diagram............................................................................................................................... 11
2.3.2 Working Mode ...................................................................................................................................... 11
2.4 Appearance and Structure...............................................................................................................................13
2.4.1 Appearance............................................................................................................................................13
2.4.2 Structure Layout....................................................................................................................................15
2.5 Optional Accessory ........................................................................................................................................23
2.5.1 SNMP Card and Its Software................................................................................................................24
2.5.2 Expansion Card.....................................................................................................................................26
2.5.3 Parallel/BSC Accessory ........................................................................................................................29
2.5.4 Battery Temperature Sampling Accessory ............................................................................................30

Uninterruptible Power Supply MR33120
User Manual
Contents
All rights reserved ©Kehua Data Co., Ltd.
v
2.5.5 Surge Protection Device........................................................................................................................30
2.5.6 Top Wiring Accessory...........................................................................................................................30
2.5.7 Battery Tripper Control Accessroy........................................................................................................31
2.6 Alarm Function...............................................................................................................................................31
3 Installation....................................................................................................................................41
3.1 Installation Process.........................................................................................................................................41
3.2 Installation Preparation ..................................................................................................................................42
3.2.1 Installation Tools...................................................................................................................................42
3.2.2 Installation Environment.......................................................................................................................43
3.2.3 Installation Clearance............................................................................................................................44
3.2.4 Input and Output Wire Selection...........................................................................................................44
3.3 Transporting, Unpacking and Checking.........................................................................................................46
3.3.1 Transportation.......................................................................................................................................46
3.3.2 Unpacking and Checking......................................................................................................................47
3.4 Mechanical Installation..................................................................................................................................48
3.4.1 UPS Installation....................................................................................................................................48
3.4.2 Optional Accessory Installation ............................................................................................................52
3.5 Electrical Connection.....................................................................................................................................61
3.6 Parallel System Connection ...........................................................................................................................65
3.7 System Check and Test...................................................................................................................................67
3.7.1 Check Electrical Connection.................................................................................................................67
3.7.2 UPS Test................................................................................................................................................67
3.7.3 Connect Load........................................................................................................................................68
4 Touch Screen Operation ............................................................................................................69
4.1 Menu Hierarchy .............................................................................................................................................69
4.2 Main Page ......................................................................................................................................................70
4.3 System Work Status Display ..........................................................................................................................71
4.4 Buzzer Control Function................................................................................................................................76
4.5 Monitor Page..................................................................................................................................................76
4.5.1 Mains Input...........................................................................................................................................76

Contents
Uninterruptible Power Supply MR33120
User Manual
vi
All rights reserved ©Kehua Data Co., Ltd.
4.5.2 Bypass Input .........................................................................................................................................77
4.5.3 Battery Input .........................................................................................................................................78
4.5.4 REC. Module ........................................................................................................................................78
4.5.5 INV. Module .........................................................................................................................................79
4.5.6 Output Information ...............................................................................................................................79
4.6 Set Manage.....................................................................................................................................................80
4.6.1 Cabinet Set............................................................................................................................................81
4.6.2 Battery Set.............................................................................................................................................82
4.6.3 Output Set .............................................................................................................................................82
4.6.4 Smart Mode...........................................................................................................................................83
4.6.5 Dry Contact...........................................................................................................................................83
4.6.6 Battery Test...........................................................................................................................................84
4.6.7 Communication Set...............................................................................................................................84
4.6.8 Record Manage.....................................................................................................................................85
4.6.9 HMI Set.................................................................................................................................................85
4.6.10 Password Set.......................................................................................................................................86
4.7 Information Manage.......................................................................................................................................86
4.7.1 Run Information....................................................................................................................................87
4.7.2 History Record......................................................................................................................................88
4.7.3 User Log ...............................................................................................................................................88
4.7.4 Smart Record ........................................................................................................................................89
4.7.5 Smart Wave Record...............................................................................................................................89
4.7.6 Device Information...............................................................................................................................90
4.8 ON/OFF .........................................................................................................................................................91
5 Use and Operation ......................................................................................................................93
5.1 Use Announcements.......................................................................................................................................93
5.2 Operation Process...........................................................................................................................................93
5.3 ON/OFF Operation.........................................................................................................................................94
5.3.1 Check Before Power-on........................................................................................................................94
5.3.2 Start UPS...............................................................................................................................................94

Uninterruptible Power Supply MR33120
User Manual
Contents
All rights reserved ©Kehua Data Co., Ltd.
vii
5.3.3 Shut Down UPS....................................................................................................................................96
5.3.4 Switch to Bypass Mode Manually ........................................................................................................97
5.3.5 Switch to Maintenance Bypass Mode From Mains Mode ....................................................................97
5.3.6 Switch to Inverter Mode from Maintenance Bypass Mode...................................................................98
5.3.7 Emergency Power Off (EPO)................................................................................................................99
5.3.8 Emergency Power Off Recovery...........................................................................................................99
5.4 Parallel System ON/OFF Operation...............................................................................................................99
5.4.1 Start Parallel System.............................................................................................................................99
5.4.2 Shut Down Parallel System.................................................................................................................102
5.4.3 Emergency Power Off(EPO)...............................................................................................................102
6 Maintenance and Troubleshooting .......................................................................................104
6.1 Maintenance Guide ......................................................................................................................................104
6.1.1 Safety Precautions...............................................................................................................................104
6.1.2 Preventive Maintenance......................................................................................................................104
6.2 Battery Maintenance ....................................................................................................................................105
6.3 Battery Replacement Announcements..........................................................................................................105
6.4 Troubleshooting............................................................................................................................................106
6.4.1 Common Abnormal Phenomena Diagnosis ........................................................................................106
6.4.2 Emergency Dispose for System Fault.................................................................................................108
7 Package, Transportation and Storage....................................................................................110
7.1 Package ........................................................................................................................................................ 110
7.2 Transportation .............................................................................................................................................. 110
7.3 Storage ......................................................................................................................................................... 110
A Technical Specifications.........................................................................................................111
B Physical Characters ..................................................................................................................115
C Acronyms and Abbreviations................................................................................................116