This manual introduces the installation design, mechanical installation, and electrical connection of the SG100K3 photovoltaic grid-connected inverter product developed and produced by Sunshine Power Co., Ltd.
This manual is intended for personnel who install or commission the SG100K3 photovoltaic grid‑connected inverter. It assumes the reader has basic knowledge of electrical wiring and mechanical principles and includes safety symbols, warnings, and precautions to protect people and equipment.
The document covers the full installation process: delivery contents, product description, installation design (environment, cable routing, ventilation), mechanical mounting, electrical connections (DC and AC side, grounding, communication), a checklist for final inspection, and step‑by‑step commissioning procedures. Appendices provide technical data, warranty terms, and contact information. This manual is written in Chinese.
| Maximum Efficiency | 97.0% (including transformer) |
|---|---|
| European Efficiency | 96.4% (including transformer) |
| Protection Class | IP20 |
| Night Standby Power | <30 W |
| Operating Temperature | -25 °C ~ +55 °C |
| Cooling Method | Air cooling |
| Relative Humidity | 0 % ~ 95 % (no condensation) |
| Maximum Altitude | 6000 m (de‑rate above 3000 m) |
| Standard Communication | RS485 |
| Optional Communication | Ethernet |
During the warranty period, Sungrow will repair or replace the inverter free of charge if the product bears the company’s logo and the customer provides a purchase invoice.
The inverter supports RS485 as the standard communication interface and offers Ethernet as an optional interface.