Symbol Description
Supplements the important information in the main text.
NOTE is used to address information not related to
personal injury, equipment damage, and environment
deterioration.
 
Change History
Changes between document issues are cumulative. The latest document issue
contains all changes made in earlier issues.
Issue 05 (2023-02-28)
Updated 2.1 Product Introduction.
Updated 5.2 Preparing Cables.
Updated 5.6 (Optional) Installing the Smart Dongle.
Updated 10 Technical 
Specications.
Issue 04 (2023-01-10)
Updated 1 Safety Information.
Updated 4.2 Tool Preparation.
Updated 5.2 Preparing Cables.
Added 5.7.5 (Optional) Connecting the Rapid Shutdown Signal Cable.
Updated 7.3.1 Grid-tied Point Control.
Updated G Rapid Shutdown.
Added J Locating Insulation Resistance Faults.
Issue 03 (2022-08-30)
Added the SUN2000-50KTL-M3 model.
Updated 2.1 Product Introduction.
Updated 10 Technical 
Specications.
Updated A Grid Codes.
Added G Rapid Shutdown.
Added H NS Protection.
Issue 02 (2022-08-12)
Updated 5.2 Preparing Cables.
SUN2000-(50KTL-ZHM3, 50KTL-M3)
User Manual About This Document
Issue 05 (2023-02-28) Copyright © Huawei Technologies Co., Ltd. iii