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About This Manual
This manual describes the transportation and storage, electrical connection, troubleshooting,
and maintenance of the pad-mounted transformer.
1.1 Validity
This manual applies to the following models:
• Pad-mounted transformer
1.2 Target Group
This manual is intended for professional technicians who are responsible for the installation,
operation, and maintenance of MV grid-connected inverters. The professional technician is
required to meet the following requirements:
• Know electronic, electrical wiring, and mechanical expertise, and be familiar with
electrical and mechanical schematics.
• Should be familiar with the composition and working principles of the PV system and its
front- and rear-level equipment.
• Have received professional training related to the installation and commissioning of
electrical equipment.
• Be able to quickly respond to hazards or emergencies that occur during installation and
commissioning.
• Be familiar with the relevant standards and specifications of the country/region where the
project is located.
1.3 How to Use This Manual
Please read this manual carefully before using the product and keep it properly at a place
for easy access.
The products and product manuals are always in the process of improvement and upgrade.
If the manual received is slightly inconsistent with the product, it may be a result of a product
version upgrade, and the actual product shall prevail. For any questions, please contact
Sungrow Customer Service.
1.4 Symbol Explanations
To ensure the safety of the users and their properties when they use the product and to
make sure that the product is used optimally and efficiently, this manual provides users with
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