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SUN2000-(33KTL, 36KTL, 40KTL)-US User Manual

This document describes the SUN2000-33KTL-US/36KTL-US/40KTL-US in terms of its installation, electrical connections, commissioning, maintenance, and troubleshooting. The codes for mounting bracket supplied separately are 01073920, 01073921 and 01073922. The codes for mounting bracket supplied with the SUN2000 are 01073331, 01073332 and 01073569.

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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

Before performing operations, read through this manual and follow all the precautions to prevent accidents. 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.

  • Transportation
  • The storage conditions do not meet the requirements specified in this document.
  • Violate the operation instructions and safety precautions in this document for installation, cable connecting, and maintenance.
  • Operation in extreme environments which are not covered in this document
  • Unauthorized modifications to the product or software code
  • Installation or use in environments which are not specified in related international standards

Important Safety Instructions

Save These Instructions: This manual contains important instructions for the SUN2000-33KTL-US/36KTL-US/40KTL-US that shall be followed during installation and maintenance of the SUN2000.

Caution: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

Personnel Requirements

Only qualified electrical technicians are allowed to install and operate the SUN2000.

  • Operation personnel should receive professional training.
  • Operation personnel should read through this document and follow all the precautions.
  • Operation personnel should be familiar with the safety specifications about the electrical system.
  • Operation personnel should understand the composition and working principles of the grid-tied PV power system and local regulations.

Sign Protection

  • Do not tamper with any warning signs on the SUN2000 chassis because these signs contain important information about safe operation.
  • Do not tamper with the nameplate on the SUN2000 chassis because it contains important product information.


  • Ensure that the SUN2000 is not connected to a power supply and is not powered on before starting installation.
  • Ensure that there are no objects within 300 mm (11.81 in.), 200 mm (7.87 in.), 500 mm (19.69 in.), 600 mm (23.62 in.), and 1000 mm (39.37 in.) of the left, right, top, bottom, and front of the SUN2000, respectively. This is to allow sufficient space for installation and heat dissipation. For ease of installation, ensure that the SUN2000 bottom is at most 730 mm (28.74 in.) from the ground. If you have any questions about the distance, consult the local technical support engineers.
  • Ensure that the SUN2000 is installed in a well ventilated environment.
  • Ensure that the SUN2000 heat sinks are free from blockage.
  • Open the maintenance compartment door of the chassis before connecting cables. Do not perform any operation on other components inside the chassis except connecting AC power cables and communications cables.

Cable Connections

Before connecting cables, ensure that the SUN2000 is securely positioned 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 power supply department before using the SUN2000 to generate electricity in grid-tied mode.
  • Ensure that the cables used in a grid-tied PV power system are properly connected and insulated and meet specifications.


High voltages may cause electric shocks and serious injuries during SUN2000 operating. Strictly comply with the safety precautions in this document and associated documents when operating the SUN2000.

  • Do not touch an operating SUN2000 because the heat sinks may have a temperature over 60°C (140°F) and may cause burns when the SUN2000 is operating.
  • Follow local laws and regulations when operating the equipment.

Maintenance and Replacement

High voltages may cause electric shocks and serious injuries during SUN2000 operating. Therefore, before 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 and proper tools and testing equipment.
  • Before performing maintenance tasks, power off the SUN2000 and wait at least 5 minutes.
  • Place temporary warning signs or erect fences to prevent unauthorized access to the maintenance site.
  • Rectify any faults that may compromise the SUN2000 security performance before powering on the SUN2000 again.
  • Observe ESD precautions during the maintenance.
  • For personal safety, wear insulation gloves and protective shoes.
Updated: 2019-07-29

Document ID: EDOC1100021945

Views: 5916

Downloads: 1188

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