The Deye Inverter SUN-5/6/8/10/12K-SG04LP3-EU is a three-phase hybrid inverter designed for energy-efficient solar power systems. Its advanced features, such as multi-operation modes, dual MPPT, and smart energy management, make it ideal for residential, commercial, and industrial applications.
Comprehensive Product Overview
The Deye Hybrid Inverter combines inverter, battery charger, and solar charger functionality. It ensures uninterrupted power supply while optimizing energy usage.
Key Features:
- Three-Phase Output: Provides 230/400V for seamless integration. Learn more about three-phase systems1 and how they work.
- Multi-Operation Modes: On-grid, off-grid, and UPS functions.
- Dual MPPT Trackers: Maximizes solar energy harvesting. Discover the benefits of MPPT2 technology in solar inverters.
- High Charging Capacity: Up to 300A for flexible battery configurations.
- Smart Battery Management: Configurable charging current and voltage.
- WiFi Monitoring: Real-time system data through the Deye app.
- IP65 Protection: Enables indoor and outdoor installation.
- Energy Use Optimization: Time-of-use and smart load management.
Technical Specifications:
| Model | SUN-5K | SUN-6K | SUN-8K | SUN-10K | SUN-12K |
|---|---|---|---|---|---|
| Rated Power Output | 5 kW | 6 kW | 8 kW | 10 kW | 12 kW |
| Max. PV Input Power | 10,000 W | 12,000 W | 16,000 W | 20,000 W | 24,000 W |
| Max. Charging Current | 150 A | 200 A | 250 A | 300 A | 300 A |
| MPPT Voltage Range | 160–800V | 160–800V | 160–800V | 160–800V | 160–800V |
| Efficiency | 97.6% | 97.6% | 97.6% | 97.6% | 97.6% |
Installation and Space Requirements
Proper installation is key to ensuring the inverter operates efficiently and safely.
Installation Environment:
- Placement: Mount on a stable, vertical wall, sheltered from direct sunlight and rain.
- Ventilation: Maintain a minimum clearance of 50 cm around the unit for heat dissipation. Learn why proper ventilation3 is important for inverters.
- Operating Temperature: -40°C to +60°C (derating above 45°C).
- Ingress Protection: IP65-rated for both indoor and outdoor use. Find out what IP65 protection4 means and why it matters for your inverter.
Mounting Instructions:
- Secure the provided mounting bracket to a vertical wall using expansion bolts.
- Hang the inverter on the bracket and ensure it is firmly attached.
- Verify stability before connecting cables.
Battery and Grid Connection Guidelines
The SUN-5/6/8/10/12K-SG04LP3-EU supports various battery configurations and seamless grid connections.
Battery Connection:
- Use appropriately sized cables based on the model (see table below).
- Ensure correct polarity (positive to positive, negative to negative).
- Tighten all connectors to a torque of 24.5 Nm for secure operation. Learn why torque5 is important when tightening electrical connections.
Recommended Cable Sizes:
| Model | Cable Size (mm²) | Torque Value (Nm) |
|---|---|---|
| 5kW | 35 | 24.5 |
| 6kW | 50 | 24.5 |
| 8kW | 70 | 24.5 |
| 10kW | 95 | 24.5 |
| 12kW | 120 | 24.5 |
Grid and Load Connection:
- Install an AC circuit breaker between the grid/load and the inverter for safety. Discover the role of AC circuit breakers6 in solar systems.
- Ensure proper insulation and secure all connections.
- Refer to the wiring diagram in the user manual for detailed guidance.
Solar PV Integration and MPPT Optimization
The Deye Inverter supports efficient solar energy harvesting through its dual MPPT technology.
PV Module Requirements:
- Maximum PV Input Voltage: 800V.
- MPPT Voltage Range: 160–800V. Learn more about the MPPT voltage range and its impact on efficiency.
- Maximum PV Input Power: Up to 24,000 W (for the 12kW model).
Recommended PV Parameters:
| Parameter | Value | Notes |
|---|---|---|
| Maximum Voc | 800V | Do not exceed this limit |
| MPPT Voltage Range | 160–800V | Optimal efficiency range |
| Max Input Current (per MPPT) | 20A | Ensure panels match this limit |
Connection Steps:
- Turn off the DC isolator before connecting solar modules. Understand the importance of DC isolators7.
- Use approved DC connectors to secure PV strings to the MPPT inputs.
- Ensure correct polarity and proper sealing to prevent electrical faults.
Operational Modes and Monitoring
This hybrid inverter offers various operational modes and advanced monitoring options.
Operating Modes:
- On-Grid Mode: Uses solar and battery power first, then exports surplus energy to the grid.
- Off-Grid Mode: Supplies loads independently using solar and battery energy.
- UPS Mode: Provides uninterrupted power during grid outages. Learn more about UPS Mode8.
Monitoring and Connectivity:
- LCD Touchscreen: Displays real-time data, system status, and error codes.
- WiFi Connectivity: Monitors system performance through the Deye app. Discover how WiFi connectivity9 helps in monitoring solar systems.
- Advanced Diagnostics: Tracks energy generation, consumption, and battery health.
Maintenance and Troubleshooting
Regular maintenance ensures the inverter operates reliably over its lifespan.
Maintenance Tips:
- Inspect connections monthly for signs of wear or damage.
- Keep vents clear of dust and debris for proper cooling.
- Update firmware10 periodically to ensure compatibility with the latest features.
Troubleshooting Common Issues:
| Issue | Possible Cause | Solution |
|---|---|---|
| Inverter not powering on | Loose connections | Check and secure all wiring |
| Low energy efficiency | Dirty solar panels | Clean panels and optimize settings |
| Error Code: Overload | High connected load | Reduce load11 and restart inverter |
| Error Code: Overtemperature | Poor ventilation | Improve airflow around the inverter |
Conclusion
The Deye Inverter SUN-5/6/8/10/12K-SG04LP3-EU offers exceptional performance and versatility for modern solar energy systems. Its advanced features, efficient energy management, and robust design make it an excellent choice for residential and commercial installations. Optimize your energy usage today with this reliable hybrid inverter.
Footnotes:
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Three-phase systems provide a stable and efficient power supply for larger electrical loads, commonly used in industrial and commercial applications. ↩
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MPPT technology helps in extracting the maximum possible power from solar panels by adjusting the operating point to the most efficient voltage. ↩
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IP65 protection ensures that the inverter is dust-tight and protected against water jets, making it suitable for both indoor and outdoor installations. ↩
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Proper ventilation helps to prevent overheating, ensuring the inverter operates within the optimal temperature range, which is crucial for efficiency and longevity. ↩
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Proper torque ensures that electrical connections are secure and prevents loose connections, which can lead to overheating or system failure. ↩
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AC circuit breakers protect the inverter and the electrical system by disconnecting the power in case of overload or short circuits, preventing potential damage. ↩
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DC isolators are safety devices that disconnect the solar panels from the inverter, preventing any electrical faults during installation or maintenance. ↩
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UPS Mode ensures that the inverter provides backup power from the battery during grid failures, ensuring uninterrupted energy supply for critical loads. ↩
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Wi-Fi connectivity allows remote monitoring and management of the solar system, enabling users to track performance and receive alerts on system status via the Deye app. ↩
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Regular firmware updates ensure that the inverter stays compatible with new solar technology and provides bug fixes for better performance. ↩
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An overload error typically occurs when too many devices are connected, exceeding the inverter's rated capacity. Reducing the connected load and restarting the inverter should resolve this issue. ↩
