II
About This Manual
The manual mainly contains the product information, as well as guidelines for installation,
operation, and maintenance. The manual does not include complete information about the
photovoltaic (PV) system. Readers can get additional information at www.sungrowpower.
com or on the webpage of the respective component manufacturer.
Validity
This manual is valid for the following model of low-power grid-connected PV string inverters:
• SG3.0RT
• SG4.0RT
• SG5.0RT
• SG6.0RT
• SG7.0RT
• SG8.0RT
• SG10RT
• SG12RT
• SG15RT
• SG17RT
• SG20RT
• SG5.0RT-P2
• SG6.0RT-P2
• SG7.0RT-P2
• SG8.0RT-P2
• SG10RT-P2
• SG12RT-P2
• SG15RT-P2
• SG17RT-P2
• SG20RT-P2
It will be referred to as "inverter" hereinafter unless otherwise specified.
Target Group
This manual is intended for professional technicians who are responsible for installation, op-
eration, and maintenance of inverters, and users who need to check inverter parameters.
The inverter must only be installed by professional technicians. The professional technician
is required to meet the following requirements: