Huawei SUN2000-50KTL-ZHM3 User manual

SUN2000-(50KTL-ZHM3, 50KTL-M3)

User Manual

Issue 05

Date 2023-02-28

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 SUN2000-50KTL-ZHM3 and SUN2000-50KTL-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-(50KTL-ZHM3, 50KTL-M3)

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 05 (2023-02-28)

Updated 2.1 Product Introduction.

Updated 5.2 Preparing Cables.

Updated 5.6 (Optional) Installing the Smart Dongle.

Updated 10 Technical Specications.

Issue 04 (2023-01-10)

Updated 1 Safety Information.

Updated 4.2 Tool Preparation.

Updated 5.2 Preparing Cables.

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

Updated 7.3.1 Grid-tied Point Control.

Updated G Rapid Shutdown.

Added J Locating Insulation Resistance Faults.

Issue 03 (2022-08-30)

Added the SUN2000-50KTL-M3 model.

Updated 2.1 Product Introduction.

Updated 10 Technical Specications.

Updated A Grid Codes.

Added G Rapid Shutdown.

Added H NS Protection.

Issue 02 (2022-08-12)

Updated 5.2 Preparing Cables.

SUN2000-(50KTL-ZHM3, 50KTL-M3)

User Manual About This Document

Updated 5.4 Connecting the AC Output Power Cable.

Updated 5.5 Installing the DC Input Power Cable.

Updated 10 Technical Specications.

Issue 01 (2022-05-20)

This issue is the rst ocial release.

SUN2000-(50KTL-ZHM3, 50KTL-M3)

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.................................................................................................................................................... 36

5.4 Connecting the AC Output Power Cable...................................................................................................................... 38

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

5.6 (Optional) Installing the Smart Dongle........................................................................................................................ 47

5.7 Connecting the Signal Cable............................................................................................................................................. 49

SUN2000-(50KTL-ZHM3, 50KTL-M3)

User Manual Contents

5.7.1 Communication Modes................................................................................................................................................... 51

5.7.2 (Optional) Connecting the RS485 Communications Cable to the SUN2000............................................... 53

5.7.3 (Optional) Connecting the RS485 Communications Cable to the Power Meter.........................................54

5.7.4 (Optional) Connecting the Power Grid Scheduling Signal Cable..................................................................... 55

5.7.5 (Optional) Connecting the Rapid Shutdown Signal Cable................................................................................. 56

6 Commissioning.......................................................................................................................58

6.1 Checking Before Power-On................................................................................................................................................58

6.2 System Power-On................................................................................................................................................................. 59

7 Man-Machine Interaction....................................................................................................61

7.1 Scenario in Which SUN2000s Are Connected to the FusionSolar Smart PV Management System.........62

7.1.1 (Optional) Registering an Installer Account............................................................................................................ 62

7.1.2 Creating a PV Plant and a User.................................................................................................................................... 63

7.1.3 SmartLogger Networking Scenario............................................................................................................................. 63

7.2 Scenario in Which SUN2000s Are Connected to Other Management Systems..............................................64

7.3 Energy Control....................................................................................................................................................................... 64

7.3.1 Grid-tied Point Control.................................................................................................................................................... 64

7.3.2 Apparent Power Control on the Inverter Output Side..........................................................................................69

8 Maintenance...........................................................................................................................70

8.1 System Power-O.................................................................................................................................................................70

8.2 Routine Maintenance.......................................................................................................................................................... 71

8.3 Troubleshooting..................................................................................................................................................................... 72

8.4 Replacing a Fan..................................................................................................................................................................... 83

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...............................................................................................................................96

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

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

D Resetting Password............................................................................................................ 105

E Setting Dry Contact Scheduling Parameters................................................................ 106

F AFCI.........................................................................................................................................107

G Rapid Shutdown..................................................................................................................109

H NS Protection...................................................................................................................... 110

I Smart I-V Curve Diagnosis................................................................................................. 111

J Locating Insulation Resistance Faults.............................................................................112

SUN2000-(50KTL-ZHM3, 50KTL-M3)

User Manual Contents

K Contact Information...........................................................................................................116

L Acronyms and Abbreviations............................................................................................118

SUN2000-(50KTL-ZHM3, 50KTL-M3)

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-(50KTL-ZHM3, 50KTL-M3)

User Manual 1 Safety Information

● The equipment is installed or used in environments that do not comply with

international, national, or regional standards.

● The equipment is installed or used by unqualied personnel.

● You fail to follow the operation instructions and safety precautions on the

product and in the document.

● You remove or modify the product or modify the software code without

authorization.

● You or a third party authorized by you cause the equipment damage during

transportation.

● The equipment is damaged due to storage conditions that do not meet the

requirements specied in the product document.

● You fail to prepare materials and tools that comply with local laws,

regulations, and related standards.

● The equipment is damaged due to your or a third party's negligence,

intentional breach, gross negligence, or improper operations, or other reasons

not related to the Company.

1.1 Personal Safety

D ANGER

Ensure that power is o during installation. Do not install or remove a cable with

power on. Transient contact between the core of the cable and the conductor will

generate electric arcs or sparks, which may cause a re or personal injury.

D ANGER

Non-standard and improper operations on the energized equipment may cause

re, electric shocks, or explosion, resulting in property damage, personal injury, or

even death.

D ANGER

Before operations, remove conductive objects such as watches, bracelets, bangles,

rings, and necklaces to prevent electric shocks.

D ANGER

During operations, use dedicated insulated tools to prevent electric shocks or short

circuits. The dielectric withstanding voltage level must comply with local laws,

regulations, standards, and specications.

SUN2000-(50KTL-ZHM3, 50KTL-M3)

User Manual 1 Safety Information

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