The Deye Inverter SUN-7.6/8/10/12K-SG02LP1-EU-AM2/AM3 is a high-performance single-phase hybrid inverter designed for residential and commercial solar systems. With advanced energy management capabilities, parallel operation, and intelligent monitoring, this inverter offers reliable and efficient energy solutions.
Comprehensive Product Overview
The Deye Hybrid Inverter combines solar, grid, and battery power management into one unit. Its design ensures compatibility with both on-grid and off-grid systems, while its advanced features, such as dual MPPT trackers and AC coupling, optimize energy utilization.
Key Features:
- Flexible Operation Modes: Supports on-grid, off-grid, and backup modes.
- Dual MPPT Trackers: Maximizes energy harvesting from multiple solar arrays. Learn more about MPPT1 technology and its role in solar energy optimization.
- Battery Compatibility: Works seamlessly with 48V lithium-ion and lead-acid batteries.
- High Charging Capacity: Maximum charging/discharging current of up to 250A.
- Parallel Operation: Allows up to 16 inverters to work together for larger systems.
- Six Charging/Discharging Periods: Enables customized energy management.
- AC Coupling Support: Retrofitting existing solar systems is straightforward.
- IP65 Protection: Suitable for indoor and outdoor installations.
- User-Friendly Interface: Features a colorful touchscreen LCD for intuitive operation.
Technical Specifications:
| Specification | SUN-7.6K | SUN-8K | SUN-10K | SUN-12K |
|---|---|---|---|---|
| Rated Power Output | 7.6 kW | 8.0 kW | 10.0 kW | 12.0 kW |
| Maximum PV Input Power | 15,200 W | 16,000 W | 20,000 W | 24,000 W |
| MPPT Voltage Range | 150-425V | 150-425V | 150-425V | 150-425V |
| Max. Efficiency | 97.6% | 97.6% | 97.6% | 97.6% |
| Max. Charging Current | 190A | 190A | 220A | 250A |
| Battery Voltage | 48V | 48V | 48V | 48V |
Installation and Space Requirements
Proper installation ensures optimal performance and longevity of the inverter.
Installation Environment:
- Placement: Mount on a stable, vertical wall free from direct sunlight, rain, and excessive dust.
- Ventilation: Ensure a minimum clearance of 50 cm around the inverter for airflow. Learn why ventilation is crucial for inverter performance.
- Operating Temperature: -40°C to +60°C (derating applies above 45°C).
- Ingress Protection: IP65-rated2, suitable for outdoor use.
Mounting Instructions:
- Use the provided mounting bracket and expansion bolts to secure the inverter to the wall.
- Hang the inverter securely onto the bracket.
- Verify stability before proceeding with wiring.
Pre-Installation Checklist:
- Mounting bracket and screws
- Approved AC and DC cables
- User manual for wiring guidelines
Battery and Grid Connection Guidelines
The SUN-7.6/8/10/12K-SG02LP1-EU-AM2/AM3 inverter supports flexible battery and grid connections for seamless energy storage and supply.
Battery Connection:
- Use appropriately sized cables (see table below). Learn how to choose the right cable size3 for battery connections.
- Ensure correct polarity (positive to positive, negative to negative).
- Tighten battery connectors to a torque of 24.5 Nm. Read why torque4 is important in battery connections.
Recommended Cable Sizes:
| Model | Cable Size (mm²) | Torque Value (Nm) |
|---|---|---|
| 7.6kW | 70 | 24.5 |
| 8-12kW | 70 | 24.5 |
Grid and Load Connection:
- Install a 63A circuit breaker between the grid/load and the inverter.
- Ensure proper wiring and insulation for all AC and DC connections.
- Follow the polarity and wiring diagrams in the user manual.
Solar PV Integration and MPPT Optimization
This inverter’s dual MPPT technology maximizes solar energy utilization, even under varying sunlight conditions.
PV Module Requirements:
- Maximum PV Input Voltage: 550V. Learn why maximum voltage5 is important in solar system connections.
- MPPT Voltage Range: 150-425V.
- Maximum PV Input Power: Up to 24,000 W (for SUN-12K model).
Recommended PV Parameters:
| Parameter | Value | Notes |
|---|---|---|
| Maximum Voc | 550V | Do not exceed this limit |
| MPPT Voltage Range | 150V–425V | Optimal efficiency range |
| Max Input Current (per MPPT) | 13A | Ensure panels match this limit |
Connection Steps:
- Turn off the DC isolator before connecting solar modules.
- Connect PV strings to the MPPT inputs, ensuring correct polarity.
- Secure the connections with approved waterproof connectors.
Operational Modes and Monitoring
The Deye Hybrid Inverter offers flexible operational modes to meet various energy needs, along with advanced monitoring features.
Operating Modes:
- On-Grid Mode: Uses solar and battery power while exporting excess energy to the grid. Learn about the differences between on-grid, off-grid, and backup6 modes in solar systems.
- Off-Grid Mode: Supplies loads independently using solar and battery energy.
- Backup Mode: Provides uninterrupted power during grid outages by switching to battery backup.
Monitoring and Connectivity:
- Touchscreen LCD: Displays system status, PV performance, and error codes.
- WiFi Monitoring: Connect to the Deye app for remote monitoring and control. Discover how Wi-Fi monitoring7 works in solar systems.
- Advanced Diagnostics: Tracks energy generation, consumption, and battery health.
Maintenance and Troubleshooting
Regular maintenance ensures efficient and reliable operation over the inverter’s lifespan.
Maintenance Tips:
- Inspect connections monthly for wear or damage.
- Keep the air vents free from dust and debris to maintain proper cooling.
- Regularly update the firmware to ensure compatibility with new features. Learn why firmware updates8 are important for solar inverters.
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 panels9 and optimize settings |
| Error Code: Overload | High connected load | Reduce load and restart inverter |
| Error Code: Overtemperature | Poor ventilation | Improve airflow around the inverter |
Conclusion
The Deye Inverter SUN-7.6/8/10/12K-SG02LP1-EU-AM2/AM3 is a robust and efficient solution for solar energy management. Its advanced features, high power capacity, and flexible operational modes make it an excellent choice for residential and commercial applications. Whether you’re optimizing energy usage or ensuring uninterrupted power, this inverter delivers top-tier performance.
Footnotes:
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MPPT (Maximum Power Point Tracking) technology helps optimize energy production by adjusting the operating point of solar panels to maximize the power output. ↩
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IP65 rating means the inverter is dust-tight and protected against water jets, making it suitable for outdoor installation and tough environments. ↩
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Choosing the right cable size ensures that the current flow is safe and efficient, preventing overheating or power loss. ↩
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Applying the correct torque to battery connectors prevents loose connections and ensures a reliable and secure electrical contact, reducing the risk of failure. ↩
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The maximum input voltage ensures that the solar system components, including the inverter, are not damaged by overvoltage conditions, which could lead to failure or reduced lifespan. ↩
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On-grid, off-grid, and backup modes are different ways solar systems operate. On-grid systems feed excess power to the grid, off-grid systems are independent, and backup mode ensures power supply during outages. ↩
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Wi-Fi monitoring allows users to remotely track and control their solar system, providing real-time data and diagnostics via an app. ↩
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Firmware updates ensure the inverter operates with the latest features, fixes, and optimizations, helping to maintain compatibility with new technologies. ↩
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Regular cleaning of solar panels prevents dirt and debris from reducing energy absorption, ensuring efficient performance. ↩
