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SUN2000-(90KTL, 95KTL, 100KTL, 105KTL) Series User Manual

This document describes the SUN2000-90KTL-H0, SUN2000-90KTL-H1, SUN2000-90KTL-H2, SUN2000-95KTL-INH0, SUN2000-95KTL-INH1, SUN2000-100KTL-H0, SUN2000-100KTL-H1, SUN2000-100KTL-H2, and SUN2000-105KTL-H1 in terms of their installation, electrical connections, commissioning, maintenance, and troubleshooting. The codes are 01074242, 01074240, 01074241, 01074243, 01074283, 01074397, 01074293, 01074400, 01074398, 01074282 and 01074399.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Safety Precautions

Safety Precautions

General Safety

  • Before performing operations, read through this manual and follow all the precautions to prevent accidents. The "DANGER", "WARNING", "CAUTION", and "NOTICE" marks in this document do not represent all the safety instructions. They are only supplements to the safety instructions.
  • The personnel responsible for installing, connecting cables for, commissioning, maintaining, and troubleshooting Huawei products should be qualified and trained to master the correct operation methods and the knowledge of safety precautions.

When operating Huawei equipment, in addition to following the general precautions in this document, follow the specific safety instructions given by Huawei. The safety precautions provided in this document do not cover all the safety precautions. Huawei shall not be liable for any consequence caused by the violation of the safety operation regulations and design, production, and usage standards.


Huawei shall not be liable for any consequence caused by any of the following events:

  • Damage during the transportation by the customer
  • Violation of the storage requirements specified in this document
  • Incorrect storage, installation, or use
  • Installation or use by unqualified personnel
  • Failure to obey the operation instructions and safety precautions in this document
  • Operation in extreme environments which are not covered in this document
  • Operation beyond specified ranges
  • Unauthorized modifications to the product or software code or removal of the product
  • Device damage due to force majeure (such earthquake, fire, and storm)
  • The warranty expires and the warranty service is not extended.
  • Installation or use in environments which are not specified in related international standards

Personnel Requirements

Only certified electricians are allowed to install, connect cables for, commission, maintain, troubleshoot, and replace the SUN2000. Operation personnel must meet the following requirements:

  • Receive professional training.
  • Read through this document and follow all the precautions.
  • Be familiar with the safety specifications about the electrical system.
  • Understand the components and functioning of a grid-tied PV system, and be familiar with relevant local standards.
  • Wear proper personal protective equipment (PPE) during any operation on the SUN2000.

Protect Labels

  • Do not scrawl, damage, or block the labels on the SUN2000 enclosure.
  • Do not scrawl, damage, or block the nameplate on the side of the SUN2000 enclosure.


Never work under power during installation.

  • Ensure that the SUN2000 is not connected to a power supply or powered on before finishing installation.
  • Ensure that the SUN2000 is installed in a well-ventilated environment.
  • Ensure that the SUN2000 heat sinks are free from blockage.
  • Never open the host panel cover of the SUN2000.
  • Never remove the terminals and cable glands at the bottom of the SUN2000.

Electrical Connections

Before connecting cables to the SUN2000, ensure that the SUN2000 is secured in position and not damaged in any way. Otherwise, electric shocks or fire may occur.

  • Ensure that all electrical connections comply with local electrical standards.
  • Obtain approval from the local electric utility before using the SUN2000 to generate electricity in grid-tied mode.
  • Ensure that the cables used in a grid-tied PV system are properly connected and insulated and meet all specification requirements.


High voltage may cause an electric shock, which results in serious injury, death or serious property damage from the SUN2000 in operation. Strictly comply with the safety precautions in this document and associated documents to operate the SUN2000.

  • Do not touch an energized SUN2000 because the heat sink has a high temperature.
  • Follow local laws and regulations when operating the SUN2000.

Maintenance and Replacement

High voltage may cause an electric shock, which results in serious injury, death or serious property damage from the SUN2000 in operation. Prior to maintenance, power off the SUN2000 and strictly comply with the safety precautions in this document and associated documents to operate the SUN2000.

  • Maintain the SUN2000 with sufficient knowledge of this document, proper tools, and testing equipment.
  • Before performing maintenance tasks, power off the SUN2000 and wait at least 15 minutes.
  • Temporary warning labels or fences must be placed to prevent unauthorized people entering the site.
  • Rectify any faults that may compromise the SUN2000 security performance before powering on the SUN2000 again.
  • Observe electrostatic discharge (ESD) precautions during maintenance.
Updated: 2019-10-12

Document ID: EDOC1100020646

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