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

Other manuals for Huawei SUN2000-5KTL-M1

Questions and Answers:

E
Emily GilbertSep 5, 2025
How to troubleshoot low insulation resistance on Huawei Controller?
- J
  James DiazSep 5, 2025
  Low insulation resistance on your Huawei Controller indicates a short circuit between the PV array and the ground, or that the PV array is in a moist environment with poor insulation to the ground. To address this: 1. Check the impedance between the PV array output and the ground. Rectify any short circuits or insufficient insulation. 2. Check whether the PE cable of the SUN2000 is correctly connected. 3. If the impedance is lower than the specified protection threshold in a cloudy or rainy environment, log in to the app, SmartLogger, or NMS and set the Insulation resistance protection threshold.
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.
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.
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.
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.
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.
K
Karen LopezSep 6, 2025
What causes output overcurrent on Huawei Controller?
- D
  Donald PorterSep 6, 2025
  An output overcurrent alarm on the Huawei Controller means the power grid voltage dropped dramatically or the grid is short-circuited, causing the SUN2000's transient output current to exceed the upper threshold, triggering protection. The SUN2000 monitors external conditions and should automatically recover after the fault is rectified. If the alarm persists, check for a short circuit in the output. If the problem continues, contact your dealer or Huawei technical support.
E
Eugene ZimmermanSep 4, 2025
What does abnormal grounding mean on a Huawei Controller?
- D
  Dr. Robert Larson IIISep 4, 2025
  Abnormal grounding on the Huawei Controller indicates that the neutral wire or PE cable of the inverter is not connected, or the output mode set for the inverter is inconsistent with the cable connection mode. Power off the inverter first (turn off the AC output switch and DC input switch, and wait for a period of time). Then: 1. Check whether the PE cable for the inverter is connected properly. 2. If the inverter is connected to a TN power grid, check whether the neutral wire is properly connected and whether the voltage of the neutral wire to ground is normal. 3. After powering on the inverter, check whether the output mode set for the inverter is consistent with the output cable connection mode.
J
Joseph StephensSep 2, 2025
Why is the grid frequency unstable on my Huawei Controller?
- M
  mitchelljoeSep 2, 2025
  An unstable grid frequency alarm on the Huawei Controller indicates the power grid frequency change rate doesn't meet local power grid code requirements. Here's what you can do: 1. If the alarm is occasional, it may be a temporary grid issue, 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.
C
careyrobertSep 3, 2025
How do I fix a phase wire short-circuited to PE error on a Huawei Controller?
- M
  Michael DavisSep 3, 2025
  If the Huawei Controller indicates a phase wire short-circuited to PE, it means the impedance of the output phase wire to PE is low, or the output phase wire is short-circuited to PE. Check the impedance of the output phase wire to PE, locate the position with low impedance, and rectify the fault.

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