SG6K photovoltaic grid-connected inverter user manual, mainly introduces the function, installation, use and other content of the product.
This manual introduces the SG6K photovoltaic grid‑connected inverter, its main components and functions, and explains how it converts DC power from solar arrays into grid‑compatible AC power. It is intended for installers, service technicians, and end users who need detailed guidance on safe installation, commissioning, and operation.
The document covers symbol explanations, safety instructions, overall system description, functional modes, monitoring and diagnostics, mechanical and electrical installation procedures, technical data, and warranty information, providing a complete reference for the SG6K inverter. This manual is written in Chinese.
| Maximum solar array power | 6.6 kW |
|---|---|
| Maximum DC voltage | 780 V |
| Maximum DC input current | 20 A |
| Rated AC output power | 6 kW |
| Output THD (rated) | < 3 % |
| Power factor (rated) | > 0.99 |
| Maximum efficiency | 94.5 % |
| Dimensions (W×H×D) | 410 mm × 580 mm × 283 mm |
| Weight | 63 kg |
| Noise level | < 40 dB |
| IP protection rating | IP65 |
| Operating temperature range | -25 °C to +60 °C |
| Operating humidity range | 0 % to 95 % (non‑condensing) |
| Maximum number of PV strings | 4 |
| Maximum current per DC string | 10 A |
The inverter must not be connected to a DC voltage higher than 780 V.
Up to four PV strings can be connected, with each string limited to 10 A and a total DC current limit of 20 A.
All installation and wiring must be performed by a qualified electrical or mechanical engineer, and the DC side must be isolated before any work.
The total DC input current must not exceed 20 A.