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Huawei SUN2000-17KTL - User Manual

Huawei SUN2000-17KTL
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SUN2000 (8KTL-28KTL)
User Manual
Issue
12
Date
2019-06-30
HUAWEI TECHNOLOGIES CO., LTD.

Table of Contents

Other manuals for Huawei SUN2000-17KTL

Preview: Quick Guide
Quick Guide50 pages

Questions and Answers

  • T
    Tracy CopelandJul 29, 2025
    How to fix DC Over Voltage on Huawei Inverter?
    • V
      vincentsalazarJul 29, 2025
      If your Huawei Inverter SUN2000 is showing a DC Over Voltage alarm, it means the voltage from your PV modules is too high. To fix this, you need to reduce the number of PV modules connected in series for each PV string (1 and 2, 3 and 4, or 5 and 6) until the open-circuit voltage is at or below the inverter's maximum input voltage. Once you've adjusted the PV array configuration, the SUN2000 alarm should disappear.
  • N
    Nicole HurstAug 3, 2025
    Why does my Huawei SUN2000-17KTL show Abnormal Grid Voltage?
    • L
      Lee PerezAug 3, 2025
      If your Huawei Inverter is showing an Abnormal Grid Voltage error, it could be due to a couple of reasons. If the alarm seems to be a one-time occurrence (Cause ID = 4), it might be due to a temporary issue with the power grid, and the SUN2000 should automatically return to normal operation once the grid stabilizes. However, if the grid-tied point voltage is consistently too high (Cause ID = 16/19/26), you should contact your local power operator to investigate the grid conditions.
  • K
    Karl HallAug 7, 2025
    What to do if Huawei SUN2000-17KTL Inverter reports Abnormal Invert Circuit?
    • S
      suzannetaylorAug 7, 2025
      If your Huawei SUN2000 Inverter displays an Abnormal Invert Circuit error, it could be due to several reasons. If the cause ID is 13, 14, or 16, the SUN2000 monitors its external working conditions in real time and automatically reverts to normal operating status after the fault is rectified. If the Reason ID is 20, check whether the SUN2000 output cables are short-circuited and rectify any fault.
  • L
    Louis MolinaAug 11, 2025
    How to troubleshoot 'String 1-6 Reverse' on Huawei Inverter?
    • S
      Sharon MacdonaldAug 12, 2025
      If your Huawei Inverter SUN2000 reports 'String 1-6 Reverse', first check if the PV string is connected in reverse. If it is, wait until night when solar irradiance is low and the PV string voltage drops below 60V DC. Then, set the DC SWITCH to OFF and correct the PV string connection. Also, check if the number of PV modules connected in series is too small. If so, increase the number of PV modules connected in series to the SUN2000.
  • P
    phillip52Aug 16, 2025
    What to do if Huawei Inverter shows String 1-6 Abnormal?
    • B
      breannahurleyAug 16, 2025
      If your Huawei Inverter SUN2000 displays a 'String 1-6 Abnormal' message, start by checking if the output current of any PV string is significantly lower than the others. If it is, check whether the PV string is shielded. If the string is not shielded and is clean, inspect the PV modules for faults.
  • M
    Mark RitterAug 20, 2025
    Why is my Huawei Inverter showing Cabinet Overtemperature?
    • D
      Donna RobersonAug 20, 2025
      If your Huawei SUN2000 Inverter is showing a Cabinet Overtemperature warning, check the ventilation and ambient temperature around the installation location. If ventilation is poor or the temperature is too high, improve the ventilation and heat dissipation.
  • J
    Jean CastilloOct 24, 2025
    What to do if Huawei SUN2000-17KTL reports Abnormal DC Circuit?
    • C
      Crystal ThomasOct 24, 2025
      If the Huawei Inverter SUN2000 displays an abnormal DC circuit error, there are several potential solutions depending on the cause. If the cause ID is 3, 10, or 11, the inverter should automatically revert to normal operation once the external fault is resolved. However, if the cause ID is 12 or 15, try turning off both the AC output and DC input switches, waiting five minutes, and then turning them back on. If the problem continues, contact Huawei technical support. For cause ID 16, if there is no PID module in the system, disable PID protection at night and reactive power output at night on the SmartLogger or SUN2000 app. If a PID module is present, inspect it for faults and fix them. Also, verify that the crystalline silicon PV compensation mode of the SUN2000 and the PV module compensa...

Summary

About This Document

Purpose

Explains the scope and goal of the SUN2000 User Manual.

Intended Audience

Defines the target readers for the SUN2000 User Manual.

Symbol Conventions

Explains the meaning of symbols used throughout the document.

Change History

Safety Precautions

Personnel Requirements

Specifies who is authorized to operate the SUN2000.

Label Protection

Advises against tampering with warning signs or nameplates.

Installation

Covers safety considerations during the installation phase.

Electrical Connection

Highlights safety measures for making electrical connections.

Operation

Details safety precautions to be followed during SUN2000 operation.

Maintenance and Replacement

Outlines safety procedures for maintenance tasks.

Overview

2.1 Introduction

Describes the functions, models, and application of the SUN2000.

2.2 Appearance

Describes the physical appearance and external dimensions of the SUN2000.

2.3 Label Conventions

Details symbols and nameplate information for the SUN2000.

2.4 Monitoring Panel

Explains the LCD, indicators, and buttons of the SUN2000 monitoring panel.

2.5 Working Principles

Describes the circuit diagrams and working modes of the SUN2000.

SUN2000 Storage

Installation

4.1 Checking Before Installation

Details checks for outer packing and product accessories before installation.

4.2 Tools

Lists required tools for installation and cable connections.

4.3 Determining the Installation Position

Provides requirements for choosing an appropriate installation location.

4.4 Support-mounting the SUN2000

Details the procedure for securing the SUN2000 using a rear panel.

4.5 Wall-mounting the SUN2000

Details the procedure for wall-mounting the SUN2000 using a rear panel.

Electrical Connections

5.1 Connecting PGND Cables

Details how to connect the SUN2000 to a ground bar for grounding.

5.2 Connecting AC Output Power Cables

Explains connecting SUN2000 to the AC grid via output power cables.

5.3 Connecting DC Input Power Cables

Details connecting SUN2000 to PV strings using DC input power cables.

5.4.1 Communications Ports

Explains functions of USB and RS485 ports on the SUN2000.

5.4.2 Connecting RS485 Communications Cables

Details connecting RS485 communication cables to equipment.

System Operation

6.1 Checking Before Power-On

Lists checks required before powering on the SUN2000.

6.2 Powering On the SUN2000

Outlines the procedure for powering on the SUN2000.

6.3 Setting Initialization Parameters

Guides setting initial parameters like language, time, and grid code.

Man-Machine Interaction

7.1 Monitoring Menu Hierarchy

Describes the menu structure on the SUN2000's LCD panel.

Viewing System Data

Guides on viewing operating info, energy yields, and system version.

System Settings and Operations

Covers setting parameters, performing operations, and managing alarms and system reset.

Maintenance

8.1 Powering Off the SUN2000

Details safety precautions for powering off the SUN2000 for maintenance.

8.2 Routine Maintenance

Provides advice on performing routine maintenance tasks for optimal performance.

8.3 Troubleshooting

Offers troubleshooting measures for common fault alarms in the SUN2000.

SUN2000 Handling

9.1 SUN2000 Removal

Describes the steps required to safely remove the SUN2000 from its installation.

9.2 SUN2000 Packing

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

9.3 Disposing the SUN2000

Outlines the procedures for disposing of the SUN2000 according to local rules.

Technical Specifications

Efficiency

Lists maximum and European efficiency ratings for SUN2000 models.

Input

Details input specifications like max power, voltage, and current for SUN2000 models.

Output

Lists output specifications like rated power, voltage, current, and power factor.

Protection

Summarizes protection features like DC switch, anti-islanding, and surge protection.

Display and Communication

Details display options and communication interfaces (Graphical LCD, LED, RS485).

General Data

Lists general data such as dimensions, weight, temperature range, and IP rating.

Topology

States that the SUN2000 topology is transformerless.

Acronyms and Abbreviations

Power Grid Codes

Huawei SUN2000-17KTL Specifications

General IconGeneral
Max. efficiency98.6%
European efficiency98.3%
Max. DC voltage1100 V
MPPT voltage range200 V - 1000 V
Max. input current per MPPT26 A
Number of MPPTs2
AC nominal power17000 W
Operating temperature range-25°C to +60°C
CoolingNatural Convection
Protection ratingIP65
Max. AC power18700 VA
Rated AC voltage220 V / 380 V, 230 V / 400 V

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