Huawei SUN2000-5KTL-M1 User Manual (English)

Other manuals for Huawei SUN2000-5KTL-M1

Questions and Answers:

M
Monique Davis MDAug 31, 2025
What causes string current backfeed in Huawei Controller?
- J
  Justin CastilloSep 1, 2025
  String current backfeed on your Huawei Controller means the number of PV modules connected in series is insufficient, causing the end voltage to be lower than other strings. Here's how to troubleshoot: 1. Check if the number of PV modules connected in series to this PV string is less than that of other PV strings connected in parallel. If so, wait until the PV string current decreases below 0.5 A, then turn off the DC switch and adjust the number of PV modules in the PV string. 2. Check if the PV string is shaded. 3. Check if the open-circuit voltage of the PV string is abnormal.
R
robinsonjacobAug 30, 2025
How to fix grid underfrequency on Huawei Controller?
- L
  Lisa BergerAug 30, 2025
  A grid underfrequency alarm on the Huawei Controller indicates that the power grid frequency is lower than the requirements for the local power grid code. Here's how to address it: 1. If the alarm is occasional, the power grid may be temporarily abnormal, and the SUN2000 should recover automatically. 2. If the alarm persists, check whether the power grid frequency is within the acceptable range. If not, contact the local power operator. If it is, you can modify the grid underfrequency protection threshold using the app, SmartLogger, or NMS, but only with the consent of the local power operator.
E
Erika GomezAug 29, 2025
What causes grid overfrequency on Huawei Controller?
- A
  angela98Aug 29, 2025
  A grid overfrequency alarm on the Huawei Controller indicates that the power grid frequency is higher than the requirements for the local power grid code. Here's what to do: 1. If the alarm occurs occasionally, the power grid may be temporarily abnormal, and the SUN2000 should recover automatically. 2. If the alarm persists, verify that the power grid frequency is within the acceptable range. If it is not, contact your local power operator. If it is within range, you can modify the grid overfrequency protection threshold through the app, SmartLogger, or NMS, but only with the consent of the local power operator.
W
Wendy HumphreyAug 28, 2025
How to resolve DC arc fault on Huawei Controller?
- M
  Michelle GravesAug 28, 2025
  If your Huawei Controller is showing a DC arc fault, it means the PV string power cables are arcing or have poor contact. Check the PV string cables to ensure they are properly connected and not arcing.
C
crawfordstephanieAug 27, 2025
What to do if Huawei Controller shows string reverse connection?
- S
  Suzanne GarrettAug 27, 2025
  The 'String reverse connection' error on your Huawei Controller indicates that the PV string polarity is reversed. To fix this, check if the PV string is connected in reverse. If it is, wait until the PV string current drops below 0.5 A, then turn off the DC switch and correct the PV string polarity.
J
Janice LopezAug 26, 2025
How to fix high string input voltage on Huawei Controller?
- L
  Linda PattonAug 27, 2025
  The high string input voltage on your Huawei Controller indicates that the PV array is not properly configured. Too many PV modules are connected in series, causing the PV string open-circuit voltage to exceed the maximum operating voltage. To resolve this, reduce the number of PV modules connected in series until the PV string open-circuit voltage is within the acceptable range. The alarm should disappear once corrected.
J
Jillian JamesAug 25, 2025
What to do if Huawei Controller reports grid loss?
- H
  Harry HernandezAug 26, 2025
  If the Huawei Controller displays a grid loss alarm, it means a power grid outage has occurred, or the AC circuit is disconnected, or the AC switch is off. The alarm should clear automatically once the power grid recovers. You can also check if the AC circuit is disconnected or if the AC switch is turned off.
F
Frank SullivanAug 25, 2025
How to troubleshoot grid overvoltage on Huawei Controller?
- B
  Brenda AndersonAug 25, 2025
  A grid overvoltage alarm on your Huawei Controller indicates that the grid voltage exceeds the upper threshold. Try these steps: 1. If the alarm is occasional, it could be a temporary grid issue. The SUN2000 should recover automatically once the grid stabilizes. 2. If the alarm persists, verify that the grid voltage is within the acceptable range. If it's not, contact your local power operator. If it is within range, you can adjust the grid overvoltage protection threshold using the mobile app, SmartLogger, or NMS, but only with the consent of the local power operator. 3. Also, check for peak voltage issues on the power grid; if the problem persists, contact the power operator.

Huawei SUN2000-5KTL-M1 Specifications

General

Max. Efficiency	98.4%
Rated AC Output Power	5000 W
Max. Apparent Power	5500 VA
Max. DC Input Voltage	1100 V
Number of MPPTs	2
Operating Temperature Range	-25°C to +60°C
Start Voltage	200 V
European Efficiency	97.8%
Protection Degree	IP65
Start-up Voltage	200 V
Output Voltage Range	180 V - 280 V
Frequency Range	50 Hz / 60 Hz
Power Factor	0.8 leading ... 0.8 lagging
THD	<3%
Cooling Method	Natural Convection
Max. DC Power	7500 W
Rated AC Voltage	230 V

Summary

Security Declaration

Product Lifecycle

Huawei's regulations on product lifecycle.

Vulnerability

Huawei's regulations on product vulnerability management.

Preconfigured Digital Certificate

Digital certificates preconfigured on Huawei devices.

Huawei Enterprise End User License Agreement

End user license agreement for Huawei Software.

Lifecycle of Product Documentation

Huawei after-sales user documentation lifecycle policy.

About This Document

Overview

Describes the SUN2000 inverter's installation, connections, commissioning, maintenance, and troubleshooting.

Intended Audience

Specifies the document is applicable to installers and users.

Symbol Conventions

Defines the symbols used in the document for warnings and notes.

Safety Information

Personal Safety

Covers essential precautions for personal safety during operations, including PPE and avoiding hazards. Includes general and personnel requirements.

Electrical Safety

Addresses safety precautions related to electrical connections, grounding, and cabling. Covers grounding and cabling requirements.

Environment Requirements

Details requirements for safe installation environments, avoiding hazards like flammable materials and water. Covers general requirements.

Mechanical Safety

Provides guidance on safe handling of heavy objects, using ladders, hoisting, and drilling operations. Covers various mechanical safety aspects.

Overview

Product Introduction

Introduces the SUN2000 inverter's functions, models, and technical specifications.

Appearance

Details the physical appearance of the SUN2000 inverter and its components.

Label Description

Explains various labels and symbols on the SUN2000 enclosure and nameplate.

Working Principles

Explains the SUN2000's circuit diagram and operational modes, covering diagrams and mode descriptions.

Installation

Checking Before Installation

Ensures the inverter and packing materials are intact before proceeding with installation.

Tools

Lists the required tools for installation, including hand tools and PPE.

Determining the Installation Position

Covers requirements for selecting a suitable installation location.

Moving the SUN2000

Provides instructions and precautions for safely moving the SUN2000 unit.

Installing the Mounting Bracket

Details the process for installing the mounting bracket for wall or support mounting.

Electrical Connections

Precautions

General safety precautions before making any electrical connections to the SUN2000.

Installation Preparation

Covers preparation steps and component descriptions for electrical connections.

Connecting the PE cable

Details the procedure for safely connecting the protective earth (PE) cable.

Connecting the AC Output Power Cable

Provides instructions for connecting the AC output power cable to the SUN2000.

Installing DC Input Power Cables

Guides the user through safely connecting DC input power cables to the SUN2000.

Connecting Battery Cables

Details the safe procedure for connecting battery cables to the SUN2000.

Installing the Smart Dongle

Instructions for installing the WLAN-FE or 4G Smart Dongle.

Connecting the Signal Cable

Explains how to connect signal cables, including COM port pin definitions.

Connecting the RS485 Communications Cable (Inverter Cascading)

Describes how to connect RS485 cables for cascading multiple inverters.

Connecting the RS485 Communications Cable (Smart Power Sensor)

Details the RS485 cable connections for integrating a smart power sensor.

Connecting the Power Grid Scheduling Signal Cable

Explains how to connect the signal cable for power grid scheduling.

Connecting a Signal Cable to the Smart Backup Box

Provides instructions for connecting a signal cable to the Smart Backup Box.

Connecting the NS Protection Signal Cable

Details how to connect NS protection signal cables to inverters and the SmartLogger.

Commissioning

Checking Before Power-On

Checklist for ensuring all components and connections are correctly set before initial power-on.

SUN2000 power-on

Step-by-step guide for safely powering on the SUN2000 inverter.

Man-Machine Interaction

App Commissioning

Guides users through commissioning the SUN2000 using the FusionSolar App.

Parameters Settings

Covers configuration of various SUN2000 operational parameters.

SmartLogger Networking Scenario

Explains how to set up networking with a SmartLogger.

Maintenance

SUN2000 Power-Off

Provides essential steps and safety precautions for powering off the SUN2000.

Routine Maintenance

Outlines regular checks and maintenance tasks to ensure long-term operation.

Troubleshooting

Guides users on how to resolve common issues and alarms.

Handling the Inverter

Removing the SUN2000

Instructions for safely disconnecting and removing the SUN2000 from its mounting.

Packing the SUN2000

Guidance on how to properly pack the SUN2000 for storage or transport.

Disposing of the SUN2000

Information on the correct disposal procedures for the SUN2000 at end-of-life.

Technical Specifications

SUN2000 Technical Specifications

Detailed technical data for various SUN2000 models, including efficiency, input, and output parameters.

Optimizer Technical Specifications

Technical data for the SUN2000-450W-P optimizer.

Long String Design (Full Optimizer Configuration)

Specifications for long string configurations with optimizers.

Grid Code

Device Commissioning

Resetting Password

Rapid Shutdown

Locating Insulation Resistance Faults

AI Energy Management Assistant (EMMA)

Acronyms and Abbreviations

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Huawei SUN2000-5KTL-M1 User Manual

Table of Contents

Other manuals for Huawei SUN2000-5KTL-M1

Questions and Answers:

Huawei SUN2000-5KTL-M1 Specifications

Summary

Security Declaration

Product Lifecycle

Vulnerability

Preconfigured Digital Certificate

Huawei Enterprise End User License Agreement

Lifecycle of Product Documentation

About This Document

Overview

Intended Audience

Symbol Conventions

Safety Information

Personal Safety

Electrical Safety

Environment Requirements

Mechanical Safety

Overview

Product Introduction

Appearance

Label Description

Working Principles

Installation

Checking Before Installation

Tools

Determining the Installation Position

Moving the SUN2000

Installing the Mounting Bracket

Electrical Connections

Precautions

Installation Preparation

Connecting the PE cable

Connecting the AC Output Power Cable

Installing DC Input Power Cables

Connecting Battery Cables

Installing the Smart Dongle

Connecting the Signal Cable

Connecting the RS485 Communications Cable (Inverter Cascading)

Connecting the RS485 Communications Cable (Smart Power Sensor)

Connecting the Power Grid Scheduling Signal Cable

Connecting a Signal Cable to the Smart Backup Box

Connecting the NS Protection Signal Cable

Commissioning

Checking Before Power-On

SUN2000 power-on

Man-Machine Interaction

App Commissioning

Parameters Settings

SmartLogger Networking Scenario

Maintenance

SUN2000 Power-Off

Routine Maintenance

Troubleshooting

Handling the Inverter

Removing the SUN2000

Packing the SUN2000

Disposing of the SUN2000

Technical Specifications

SUN2000 Technical Specifications

Optimizer Technical Specifications

Long String Design (Full Optimizer Configuration)

Grid Code

Device Commissioning

Resetting Password

Rapid Shutdown

Locating Insulation Resistance Faults

AI Energy Management Assistant (EMMA)

Acronyms and Abbreviations

Related product manuals