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SUN2000-(100KTL, 110KTL, 125KTL) Series User Manual

This document describes the SUN2000-125KTL-M0,SUN2000-110KTL-M0,SUN2000-100KTL-M0,SUN2000-100KTL-M1 and SUN2000-100KTL-INM0 in terms of its installation, electrical connections, commissioning, maintenance, and troubleshooting. BOM number: 01074693, 01074694, 01074695, 01074695-001 and 01074695-002.

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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).
Opening the Maintenance Compartment Door

Opening the Maintenance Compartment Door


  • Do not open the panel cover of the solar inverter.
  • Before opening the maintenance compartment door, ensure that no electrical connections are made for the solar inverter on the AC or DC side.
  • If you need to open the maintenance compartment door in rainy or snowy days, take protective measures to prevent rain or snow from entering the maintenance compartment. If unavoidable, do not open the maintenance compartment door.
  • Do not leave unused screws in the maintenance compartment.


  1. Open the maintenance compartment door and install the support bar.

    Figure 5-7 Opening the maintenance compartment door

  2. Remove the accessories and keep them properly.

    Figure 5-8 Removing the accessories

  3. Select a crimping module according to the type of the AC output power cable.

    Figure 5-9 Select the crimping module

    (A) Crimping module for multi-core cables of a 3-pin model

    (B) Crimping module for single-core cables of a 3-pin model

    (C) Crimping module for multi-core cables of 4-pin models

    (D) Crimping module for single-core cables of 4-pin models

Follow-up Procedure

Use scissors to cut off the joints of the rubber rings to remove them. All rubber rings are removed in the same way.

Remove the corresponding rubber rings in strict accordance with the cable diameter, and ensure that the crimping module is not damaged. Otherwise the protection level of the solar inverter will be affected.

Figure 5-10 Remove the rubber ring
Updated: 2019-12-25

Document ID: EDOC1100087908

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