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1 About This Manual
1.1 Preface
Dear customers, thank you for using the outdoor central inverter developed and
manufactured by Sungrow Power Supply Co. Ltd. We sincerely hope that this product can
meet your needs and welcome any comments on the performance and functions of the
product. Your feedback helps us continue to improve the quality of our products.
1.2 Validity
This manual is valid for the following device types:
SG1250UD
SG1500UD
For ease of description, the foregoing products are referred to as "the inverter" hereinafter.
1.3 Brief Introduction
This manual is valid for the outdoor central inverters SG1250UD/SG1500UD (referred to as
the inverter hereinafter) and contains the following information:
Safety instructions
Describes the safety precautions on the operation and maintenance of the inverter.
Product description
Describes the composition, structure, functions, and operation modes of the inverter.
Use
Introduces the inverter operations and use of HMI
Routine maintenance
Introduces the daily maintenance of the inverter and the replacement of the accessories.
Troubleshooting
Introduces the potential faults and troubleshooting of the inverter.
Others
Introduces the technical data of the inverter, exclusion of liability, and contact information.
1.4 Target Group
This manual is intended for persons who perform operation and maintenance on the
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