Huawei SUN2000-M3 User manual

SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-

User Manual

Issue 11

Date 2023-01-10

HUAWEI TECHNOLOGIES CO., LTD.

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 specied 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 eort 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: https://e.huawei.com

About This Document

Overview

This document describes the SUN2000-20KTL-M3, SUN2000-29.9KTL-M3,

SUN2000-30KTL-M3, SUN2000-36KTL-M3, and SUN2000-40KTL-M3 (also referred

to as SUN2000) in terms of their installation, electrical connections,

commissioning, maintenance, and troubleshooting. Before installing and operating

the SUN2000, ensure that you are familiar with the features, functions, and safety

precautions provided in this document.

Intended Audience

This document is applicable to:

● Installers

● Users

Symbol Conventions

The symbols that may be found in this document are dened as follows.

Symbol Description

Indicates a hazard with a high level of risk which, if not

avoided, will result in death or serious injury.

Indicates a hazard with a medium level of risk which, if

not avoided, could result in death or serious injury.

Indicates a hazard with a low level of risk which, if not

avoided, could 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-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-

User Manual About This Document

Symbol Description

Supplements the important information in the main text.

NOTE is used to address information not related to

personal injury, equipment damage, and environment

deterioration.

Change History

Changes between document issues are cumulative. The latest document issue

contains all changes made in earlier issues.

Issue 11 (2023-01-10)

Updated 1 Safety Information.

Updated 2.3 Label Description.

Updated 4.2 Tool Preparation.

Updated 7 Man-Machine Interaction.

Updated 8.3 Troubleshooting.

Updated 10 Technical Specications.

Added J Contact Information.

Issue 10 (2022-09-26)

Updated 5.2 Preparing Cables.

Updated 5.4 Connecting the AC Output Power Cable.

Issue 09 (2022-06-30)

Updated 5.2 Preparing Cables.

Updated 5.5 Installing the DC Input Power Cable.

Updated 5.7.1 Communication Modes.

Updated 7 Man-Machine Interaction.

Updated 7.1.3 SmartLogger Networking Scenario.

Updated 8.3 Troubleshooting.

Updated 10 Technical Specications.

Added H PV String Access Detection.

Issue 08 (2022-04-14)

Updated 5.2 Preparing Cables.

SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-

User Manual About This Document

Updated 5.7.1 Communication Modes.

Updated D Rapid Shutdown.

Issue 07 (2022-01-30)

Updated 4.3 Selecting an Installation Position.

Updated 8.2 Routine Maintenance.

Issue 06 (2022-01-04)

Updated 5.2 Preparing Cables.

Updated 7.1.2 Creating a PV Plant and a User.

Updated 7.3.1 Grid-tied Point Control.

Updated 7.3.2 Apparent Power Control on the Inverter Output Side.

Updated 10 Technical Specications.

Updated A Grid Codes.

Issue 05 (2021-11-25)

Updated 5.4 Connecting the AC Output Power Cable.

Issue 04 (2021-07-25)

Updated 5.2 Preparing Cables.

Updated 10 Technical Specications.

Issue 03 (2021-04-15)

Updated 2.1 Product Introduction.

Updated 5.2 Preparing Cables.

Updated 5.5 Installing the DC Input Power Cable.

Updated 10 Technical Specications.

Issue 02 (2020-11-20)

Updated 2.3 Label Description.

Updated 4.3 Selecting an Installation Position.

Updated 5.2 Preparing Cables.

Updated 5.7.1 Communication Modes.

Updated 10 Technical Specications.

SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-

User Manual About This Document

Issue 01 (2020-10-15)

This issue is the rst ocial release.

SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-

User Manual About This Document

Contents

About This Document................................................................................................................ ii

1 Safety Information.................................................................................................................. 1

1.1 Personal Safety.........................................................................................................................................................................2

1.2 Electrical Safety........................................................................................................................................................................4

1.3 Environment Requirements................................................................................................................................................. 6

1.4 Mechanical Safety................................................................................................................................................................... 8

2 Overview................................................................................................................................. 13

2.1 Product Introduction............................................................................................................................................................ 13

2.2 Appearance............................................................................................................................................................................. 15

2.3 Label Description.................................................................................................................................................................. 16

2.4 Working Principles................................................................................................................................................................ 18

2.4.1 Circuit Diagram.................................................................................................................................................................. 18

2.4.2 Working Modes.................................................................................................................................................................. 18

3 SUN2000 Storage...................................................................................................................20

4 Installation..............................................................................................................................21

4.1 Checking Before Installation............................................................................................................................................. 21

4.2 Tool Preparation.................................................................................................................................................................... 22

4.3 Selecting an Installation Position.................................................................................................................................... 23

4.4 Moving the SUN2000.......................................................................................................................................................... 27

4.5 Installing the Mounting Bracket...................................................................................................................................... 28

4.5.1 Support-mounted Installation.......................................................................................................................................29

4.5.2 Wall-mounted Installation............................................................................................................................................. 30

4.6 Installing a SUN2000........................................................................................................................................................... 31

5 Electrical Connections.......................................................................................................... 33

5.1 Precautions.............................................................................................................................................................................. 33

5.2 Preparing Cables................................................................................................................................................................... 34

5.3 Connecting the PE Cable.................................................................................................................................................... 37

5.4 Connecting the AC Output Power Cable...................................................................................................................... 39

5.5 Installing the DC Input Power Cable.............................................................................................................................. 44

5.5.1 Cable Connection Description....................................................................................................................................... 44

5.5.2 Connecting Cables to Amphenol Helios H4 Connectors......................................................................................46

SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-

User Manual Contents

5.5.3 Connecting Cables to Staubli MC4 Connectors...................................................................................................... 47

5.6 (Optional) Installing the Smart Dongle........................................................................................................................ 49

5.7 Connecting the Signal Cable............................................................................................................................................. 51

5.7.1 Communication Modes................................................................................................................................................... 53

5.7.2 (Optional) Connecting the RS485 Communications Cable to the SUN2000............................................... 55

5.7.3 (Optional) Connecting the RS485 Communications Cable to the Power Meter.........................................56

5.7.4 (Optional) Connecting the Power Grid Scheduling Signal Cable..................................................................... 57

5.7.5 (Optional) Connecting the Rapid Shutdown Signal Cable................................................................................. 58

6 Commissioning.......................................................................................................................60

6.1 Checking Before Power-On................................................................................................................................................60

6.2 System Power-On................................................................................................................................................................. 61

7 Man-Machine Interaction....................................................................................................63

7.1 Scenario in Which SUN2000s Are Connected to the FusionSolar Smart PV Management System.........64

7.1.1 (Optional) Registering an Installer Account............................................................................................................ 64

7.1.2 Creating a PV Plant and a User.................................................................................................................................... 65

7.1.3 SmartLogger Networking Scenario............................................................................................................................. 65

7.2 Scenario in Which SUN2000s Are Connected to Other Management Systems..............................................66

7.3 Energy Control....................................................................................................................................................................... 66

7.3.1 Grid-tied Point Control.................................................................................................................................................... 66

7.3.2 Apparent Power Control on the Inverter Output Side..........................................................................................71

8 Maintenance...........................................................................................................................72

8.1 System Power-O.................................................................................................................................................................72

8.2 Routine Maintenance.......................................................................................................................................................... 73

8.3 Troubleshooting..................................................................................................................................................................... 74

9 Handling the Inverter...........................................................................................................86

9.1 Removing the SUN2000..................................................................................................................................................... 86

9.2 Packing the SUN2000..........................................................................................................................................................86

9.3 Disposing of the SUN2000................................................................................................................................................ 86

10 Technical Specications.....................................................................................................87

A Grid Codes...............................................................................................................................95

B Device Commissioning....................................................................................................... 101

C Built-in PID Recovery......................................................................................................... 104

D Rapid Shutdown................................................................................................................. 105

E Resetting Password.............................................................................................................106

F Setting Dry Contact Scheduling Parameters................................................................ 107

G AFCI........................................................................................................................................ 108

H PV String Access Detection.............................................................................................. 110

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I Smart I-V Curve Diagnosis................................................................................................. 113

J Contact Information............................................................................................................114

K Acronyms and Abbreviations........................................................................................... 116

SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-

User Manual Contents

1 Safety Information

Statement

Before transporting, storing, installing, operating, using, and/or maintaining the

equipment, read this document, strictly follow the instructions provided herein,

and follow all the safety instructions on the equipment and in this document. In

this document, "equipment" refers to the products, software, components, spare

parts, and/or services related to this document; "the Company" refers to the

manufacturer (producer), seller, and/or service provider of the equipment; "you"

refers to the entity that transports, stores, installs, operates, uses, and/or

maintains the equipment.

The Danger, Warning, Caution, and Notice statements described in this

document do not cover all the safety precautions. You also need to comply with

relevant international, national, or regional standards and industry practices. The

Company shall not be liable for any consequences that may arise due to

violations of safety requirements or safety standards concerning the design,

production, and usage of the equipment.

The equipment should be used in an environment that meets the design

specications. Otherwise, the equipment may be faulty, malfunctioning, or

damaged, which is not covered under the warranty. The Company shall not be

liable for any property loss, personal injury, or even death caused thereby.

Comply with applicable laws, regulations, standards, and specications during

transportation, storage, installation, operation, use, and maintenance.

Do not perform reverse engineering, decompilation, disassembly, adaptation,

implantation, or other derivative operations on the equipment software. Do not

study the internal implementation logic of the equipment, obtain the source code

of the equipment software, violate intellectual property rights, or disclose any of

the performance test results of the equipment software.

The Company shall not be liable for any of the following circumstances or

their consequences:

● The equipment is damaged due to force majeure such as earthquakes, oods,

volcanic eruptions, debris ows, lightning strikes, res, wars, armed conicts,

typhoons, hurricanes, tornadoes, and other extreme weather conditions.

● The equipment is operated beyond the conditions specied in this document.

SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-

User Manual 1 Safety Information

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