Huawei SUN2000 Series User manual

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
Issue
01
Date
2018-05-21
HUAWEI TECHNOLOGIES CO., LTD.

Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
i
Copyright © Huawei Technologies Co., Ltd. 2018. 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 Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are trademarks of Huawei Technologies 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 Huawei 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 specified 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.
Huawei Technologies Co., Ltd.
Address:
Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website:
http://e.huawei.com

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
About This Document
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
ii
About This Document
Purpose
This document describes the SUN2000-3.8KTL-USL0, SUN2000-5KTL-USL0,
SUN2000-7.6KTL-USL0, SUN2000-9KTL-USL0, SUN2000-10KTL-USL0, and
SUN2000-11.4KTL-USL0 (SUN2000 for short) in terms of installation, electrical connections,
commissioning, maintenance, and troubleshooting. Understand the safety information and get
familiar with the SUN2000 functions and features before installing and operating the
SUN2000.
Intended Audience
This document is intended for:
PV plant operation personnel and qualified electrical technicians responsible for
installing, wiring, commissioning, maintaining, and troubleshooting the SUN2000
Personnel using the app to view data and carry out operations
Symbol Conventions
The symbols that may be found in this document are defined as follows.
Symbol
Description
Indicates an imminently hazardous situation which, if not
avoided, will result in serious injury or death.
Indicates a potentially hazardous situation which, if not
avoided, could result in serious injury or death.
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.
Indicates a potentially hazardous situation which, if not
avoided, could result in equipment damage, data loss,
performance deterioration, or unanticipated results.
NOTICE is used to address practices not related to personal
injury.

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
About This Document
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
iii
Symbol
Description
Calls attention to important information, best practices and
tips.
NOTE is used to address information not related to personal
injury, equipment damage, or environment deterioration.
Change History
Changes between document issues are cumulative. The latest document issue contains all
updates made in previous issues.
Issue 01 (2018-05-21)
This issue is used for first office application (FOA).

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
Contents
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
iv
Contents
About This Document.................................................................................................................... ii
1 Safety Precautions.........................................................................................................................1
2 Product Overview .........................................................................................................................5
2.1 Product Introduction .....................................................................................................................................................5
2.2 Appearance ...................................................................................................................................................................8
2.3 Label Description........................................................................................................................................................12
2.4 Working Principles......................................................................................................................................................15
3 Storage...........................................................................................................................................18
4 System Installation .....................................................................................................................19
4.1 Checking Before Installation ......................................................................................................................................19
4.2 Tools and Instruments.................................................................................................................................................20
4.3 Determining the Installation Position .........................................................................................................................21
4.4 Installing the Mounting Bracket .................................................................................................................................25
4.4.1 Wall-Mounted Installation .......................................................................................................................................26
4.4.2 Support-Mounted Installation..................................................................................................................................27
4.5 Installing the SUN2000 ..............................................................................................................................................30
4.6 (Optional) Installing a SIM Card................................................................................................................................32
5 Electrical Connections................................................................................................................34
5.1 Preparing Cables.........................................................................................................................................................35
5.2 Installing the Pipe Fittings..........................................................................................................................................40
5.3 Electrical Connections................................................................................................................................................43
5.3.1 Connecting the AC Output Power Cable .................................................................................................................43
5.3.2 Connecting the PV Input Power Cable ....................................................................................................................48
5.3.3 Connecting the Battery Cable..................................................................................................................................51
5.3.4 Connecting the Signal Cables..................................................................................................................................54
5.3.5 (Optional) Installing an Antenna..............................................................................................................................57
6 System Commissioning .............................................................................................................59
6.1 Checking Before Power-On........................................................................................................................................59
6.2 Powering On the System.............................................................................................................................................60
6.3 Powering Off the System............................................................................................................................................62

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
Contents
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
v
6.4 Grid-tied/Backup Mode Switching.............................................................................................................................63
7 Operations on the Local FusionHome App ...........................................................................66
7.1 App Overview.............................................................................................................................................................66
7.2 Downloading and Installing the App ..........................................................................................................................68
7.3 Connecting to a SUN2000 WiFi Network ..................................................................................................................69
7.4 App Operations by the Installer ..................................................................................................................................73
7.4.1 Logging In to the App..............................................................................................................................................73
7.4.2 Querying the Device Information............................................................................................................................77
7.4.3 Maintaining the Devices..........................................................................................................................................80
7.4.3.1 Adding/Deleting Devices......................................................................................................................................81
7.4.3.2 Upgrading Devices ...............................................................................................................................................84
7.4.3.3 Performance Data .................................................................................................................................................86
7.4.3.4 Energy Control......................................................................................................................................................87
7.4.3.4.1 Grid-tied Point Control......................................................................................................................................88
7.4.3.4.2 Energy Storage Control......................................................................................................................................89
7.4.3.5 Starting or Shutting Down the SUN2000..............................................................................................................92
7.4.3.6 Restoring Factory Defaults...................................................................................................................................93
7.4.3.7 Clearing Data........................................................................................................................................................94
7.4.3.8 Starting AFCI Check.............................................................................................................................................95
7.4.3.9 Adjusting Total Energy Yield................................................................................................................................95
7.4.3.10 Restarting the SUN2000.....................................................................................................................................96
7.4.4 Quick Setting ...........................................................................................................................................................97
7.4.5 Setting Grid-Connection Parameters .....................................................................................................................100
7.4.5.1 Setting Grid Parameters......................................................................................................................................101
7.4.5.2 Protection Parameters .........................................................................................................................................103
7.4.5.3 Feature Parameters..............................................................................................................................................105
7.4.5.4 Power Adjustment...............................................................................................................................................110
7.4.5.5 Time Setting........................................................................................................................................................ 112
7.4.6 Communication Configuration .............................................................................................................................. 114
7.4.7 Managing Logs......................................................................................................................................................122
7.4.8 Menu......................................................................................................................................................................123
7.4.8.1 Changing the Password.......................................................................................................................................123
7.4.8.2 About ..................................................................................................................................................................124
7.5 App Operations by the User......................................................................................................................................124
7.5.1 Logging In to the App............................................................................................................................................124
7.5.2 Querying the Device Status ...................................................................................................................................125
7.5.3 Alarm Management ...............................................................................................................................................126
7.5.4 Querying the Power Curve ....................................................................................................................................127
7.5.5 Querying Energy Yields.........................................................................................................................................128
7.5.6 Settings ..................................................................................................................................................................128
7.5.7 About .....................................................................................................................................................................131

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
Contents
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
vi
7.6 App Troubleshooting ................................................................................................................................................132
8 System Maintenance.................................................................................................................134
8.1 Routine Maintenance................................................................................................................................................134
8.2 Parts Replacement ....................................................................................................................................................135
8.2.1 Replacing the Power Compartment .......................................................................................................................135
8.3 SUN2000 Troubleshooting .......................................................................................................................................142
9 Handling the SUN2000 ............................................................................................................152
9.1 Removing the SUN2000...........................................................................................................................................152
9.2 Packing the SUN2000...............................................................................................................................................152
9.3 Disposing of the SUN2000.......................................................................................................................................152
10 Technical Specifications ........................................................................................................153
A Grid Codes.................................................................................................................................160
B Acronyms and Abbreviations ................................................................................................162

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
1 Safety Precautions
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
1
1 Safety Precautions
Safety
Before performing operations, read through this manual and follow all the precautions to
prevent accidents. The "DANGER", "WARNING", "CAUTION", and "NOTICE"
statements in this document do not represent all the safety instructions. They are only
supplements to the safety instructions.
Only certified electricians are allowed to install, connect cables for, commission, maintain,
and troubleshoot Huawei products, and they must understand basic safety precautions to
avoid hazards.
When operating Huawei equipment, in addition to following the general precautions in this
document, follow the specific safety instructions given by Huawei. Huawei will not be liable
for any consequence caused by the violation of the safety operation regulations and design,
production, and usage standards.
Disclaimer
Huawei shall not be liable for any consequence caused by any of the following events:
Damage during transportation
Storage conditions that do not meet the requirements specified in this document.
Incorrect storage, installation, or use
Installation or use by unqualified personnel
Failure to follow the operation instructions and safety precautions in this document
Operation in extreme environments which are not covered in this document
Operation beyond specified ranges.
Unauthorized modifications to the product or software code or removal of the product
Device damage due to force majeure (such as lightning, earthquake, fire, and storm)
Warranty expiration without extension of warranty service.
Installation or use in environments which are not specified in relevant international
standards

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
1 Safety Precautions
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2
Personnel Requirements
Only certified electricians are allowed to install, connect cables for, commission, maintain,
troubleshoot, and replace the SUN2000.
Operation personnel should receive professional training.
Operation personnel should read through this document and follow all the precautions.
Operation personnel should be familiar with the safety standards relevant to electrical
systems.
Operation personnel should understand the composition and working principles of the
grid-tied PV system and be aware of local regulations.
Operation personnel must wear proper personal protective equipment (PPE).
Protecting Labels
Do not scrawl or damage any labels on the SUN2000 enclosure. These labels contain
important information about safe operation.
Do not scrawl or damage the nameplate on the SUN2000 enclosure. This nameplate
contains important product information.
Installation
Never power on the SUN2000 during installation.
Ensure that the SUN2000 is not connected to a power supply or powered on before
finishing installation.
To allow proper heat dissipation and installation, maintain appropriate clearances
between the SUN2000 and other objects, as shown in Figure 1-1. If you have any
questions about the clearances, consult local technical support engineers.

SUN2000-(3.8KTL-11.4KTL)-USL0
User Manual
1 Safety Precautions
Issue 01 (2018-05-21)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3
Figure 1-1 Installation clearance
Ensure that the SUN2000 is installed in a well-ventilated environment.
Ensure that the SUN2000 heat sinks are free from blockage.
Do not open the front panel of the SUN2000.
Do not remove the terminals and ports at the bottom of the SUN2000.
Electrical Connections
Before connecting cables, ensure that the SUN2000 is secured in position and not damaged in
any way. Otherwise, electric shock or fire may occur.
Ensure that all electrical connections comply with local electrical standards.
Obtain approval from the local utility company before using the SUN2000 to generate
electricity in grid-tied mode.
Ensure that the cables used in a grid-tied PV system are properly connected and insulated
and meet all specification requirements.
Operation