User manual for SUN series string inverters (SUN-40K-G04, SUN-45K-G04, SUN-50K-G04) covering safety warnings, installation, operation, and specifications.
This manual provides safety warnings, installation guidelines, wiring instructions, and operating procedures for the SUN-40K-G04, SUN-45K-G04, and SUN-50K-G04 grid‑connected photovoltaic string inverters. It emphasizes proper handling of AC and DC connections, required protective measures, and steps to ensure safe commissioning.
The document also describes the front‑panel indicator lights, key technical specifications such as power consumption, environmental limits, dimensions, and warranty information. Users can reference the parameter tables for performance data and follow the recommended maintenance practices. This manual is written in Chinese.