1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Deye Hybrid Single Phase Solar Energy System. Please read this manual thoroughly before installation and operation, and keep it for future reference.
The Deye Hybrid Inverter is designed to manage power flow from multiple sources, including solar panels, batteries, and the utility grid, ensuring optimal energy utilization for residential and commercial applications. It supports both lead-acid and lithium-ion battery types and offers a range of power outputs.
2. Technical Specifications
The following table details the technical specifications for the Deye SUN-SG05LP1-EU series hybrid inverters:
| Feature | SUN-3.6K-SG05LP1-EU | SUN-5K-SG05LP1-EU | SUN-6K-SG05LP1-EU | SUN-7K-SG05LP1-EU | SUN-7.6K-SG05LP1-EU | SUN-8K-SG05LP1-EU |
|---|---|---|---|---|---|---|
| Battery Input Data | ||||||
| Battery Type | Lead-acid or Lithium-ion | |||||
| Battery Voltage Range (V) | 40-60 | |||||
| Max. Charging Current (A) | 90 | 120 | 135 | 175 | 190 | 190 |
| Max. Discharging Current (A) | 90 | 120 | 135 | 175 | 190 | 190 |
| Charging Strategy for Li-ion Battery | Self-adaption to BMS | |||||
| Number of Battery Input | 1 | |||||
| PV String Input Data | ||||||
| Max. PV Input Power (W) | 4680 | 6500 | 7800 | 10000 | 9880 | 10400 |
| Max. PV Input Voltage (V) | 500 | |||||
| Start-up Voltage (V) | 125 | |||||
| MPPT Voltage Range (V) | 150-425 | |||||
| Rated PV Input Voltage (V) | 370 | |||||
| Max. Operating PV Input Current (A) | 13+13 | 26+26 | ||||
| Max. Input Short-Circuit Current (A) | 17+17 | 34+34 | ||||
| No. of MPP Trackers / No. of Strings per MPP Tracker | 2/1+1 | 2/2+2 | ||||
| AC Input/Output Data | ||||||
| Rated AC Input/Output Active Power (W) | 3600 | 5000 | 6000 | 7000 | 7600 | 8000 |
| Max. AC Input/Output Apparent Power (VA) | 3960 | 5500 | 6600 | 7700 | 8360 | 8800 |
| Rated AC Input/Output Current (A) | 16.4/15.7 | 22.7/21.7 | 27.3/26.1 | 31.9/30.5 | 34.5/33 | 36.4/34.8 |
| Max. AC Input/Output Current (A) | 18/17.2 | 25/23.9 | 30/28.7 | 35/33.5 | 38/36.3 | 40/38.3 |
Other general specifications:
- Input Voltage: 500 V
- Output Voltage: 220/230 0.85Un-1.1Un
- Output Current: 18~40A
- Output Frequency: 50/45-55, 60/55-65
- Output Type: Single
- Size: 330x580x232 mm
- Type: DC/AC Inverters, Hybrid Grid Inverter
- Inverter Efficiency: 97.6% Max
- Weight: 24.9 kg
- Application: Home Solar Power System
- OEM: Accepted
3. Product Overview
The Deye Hybrid Inverter is a compact and robust unit designed for efficient energy management. It features a clear display for monitoring system status and multiple connection ports for PV input, battery, grid, and load.


Key components include:
- Integrated Display: Provides real-time system status, energy flow, and error messages.
- DC Switch: For safely disconnecting the DC input from the PV array.
- Battery Terminals: Connections for lead-acid or lithium-ion battery banks.
- PV Input Terminals: Connections for solar panel strings.
- Grid Connection: For connecting to the utility grid.
- Load Output: For connecting to household or commercial loads.
- Communication Ports (COM1, COM2, COM3, WIFI): For monitoring and system integration.
4. Installation Instructions
Proper installation is crucial for the safe and optimal performance of your Deye Hybrid Inverter. It is recommended that installation be performed by a qualified electrician or solar professional.
4.1. Safety Precautions
- Ensure all power sources (PV, battery, grid) are disconnected before beginning installation.
- Wear appropriate personal protective equipment (PPE), including insulated gloves and safety glasses.
- Do not install the inverter in direct sunlight, rain, or snow. Choose a well-ventilated area.
- Ensure the mounting surface can support the weight of the inverter (approx. 24.9 kg).
4.2. Mounting the Inverter
- Select a suitable vertical wall surface, ensuring adequate clearance around the inverter for ventilation and maintenance.
- Use the provided mounting bracket as a template to mark the drilling points on the wall.
- Drill holes and insert appropriate wall anchors.
- Secure the mounting bracket to the wall.
- Carefully lift the inverter and hang it onto the mounting bracket. Ensure it is securely seated.

4.3. Electrical Connections
Refer to the wiring diagram provided with your specific model for detailed connection instructions. The general steps are:
- Grounding: Connect the inverter to a reliable ground point.
- Battery Connection: Connect the battery cables to the inverter's battery terminals, ensuring correct polarity.
- PV Input Connection: Connect the PV strings to the designated PV input terminals. Verify correct polarity and voltage.
- AC Grid Connection: Connect the AC input from the utility grid to the inverter's grid terminals.
- AC Load Connection: Connect the AC output to your household or commercial loads.
- Communication Connections: Connect any necessary communication cables (e.g., for BMS, monitoring, or remote control).
Warning: Incorrect wiring can cause severe damage to the inverter, batteries, and connected loads, and poses a risk of electric shock. Always double-check all connections before applying power.
5. Operating Instructions
5.1. Initial Startup
- After all electrical connections are securely made and verified, turn on the DC switch on the inverter.
- Turn on the battery breaker.
- Turn on the PV array breaker.
- Turn on the AC grid breaker.
- The inverter will perform a self-test and then begin operation. Monitor the display for status messages.
5.2. Monitoring and Settings
The integrated display provides information on:
- PV input power and voltage
- Battery charge/discharge status and voltage
- AC grid voltage and frequency
- Load consumption
- System errors or warnings
Advanced settings and detailed monitoring can typically be accessed via the inverter's communication interface (e.g., Wi-Fi module and mobile app, or PC software).
5.3. Shutdown Procedure
- Turn off the AC grid breaker.
- Turn off the PV array breaker.
- Turn off the battery breaker.
- Turn off the DC switch on the inverter.
- Wait for the inverter's display to turn off completely.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your inverter.
- Visual Inspection (Monthly): Check for any visible damage, loose connections, or signs of overheating. Ensure ventilation openings are clear of dust and debris.
- Cleaning (Quarterly): Gently clean the exterior of the inverter and ventilation grilles with a soft, dry cloth. Do not use liquids or abrasive cleaners.
- Connection Check (Annually): With the system safely shut down, check all electrical connections for tightness and corrosion.
- Firmware Updates: Periodically check the manufacturer's website or app for available firmware updates to ensure your inverter has the latest features and bug fixes.
Caution: Only qualified personnel should perform internal maintenance or repairs.
7. Troubleshooting
This section provides solutions to common issues you might encounter. For more complex problems, contact technical support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Inverter not turning on | No DC input from PV or battery; DC switch off; loose connections. | Check PV and battery connections and breakers. Ensure DC switch is ON. |
| Low power output | Shading on PV panels; dirty panels; insufficient PV input; battery issues. | Check for shading, clean PV panels. Verify PV array size and battery health. |
| Error message on display | Specific system fault. | Note the error code and consult the full user manual or contact technical support. |
| No grid connection | Grid outage; AC breaker tripped; incorrect grid parameters. | Check utility power. Reset AC breaker. Verify grid settings in inverter. |
8. User Tips
- For optimal battery life, avoid consistently deep discharging lithium-ion batteries.
- Utilize the monitoring app/software to track energy production and consumption, helping you optimize your energy usage patterns.
- Ensure your inverter's firmware is up-to-date for the best performance and security.
- If you experience frequent power outages, consider oversizing your battery bank slightly to provide longer backup duration.
9. Warranty and Support
For warranty information, please refer to the official Deye warranty statement provided with your product or visit the manufacturer's website. For technical support, troubleshooting assistance, or spare parts, please contact your local Deye distributor or the manufacturer directly.
Technical Support Contact:
- Online support via WhatsApp/WeChat/Email is available.
- Video call support can be provided for post-delivery issues.
10. Manufacturer Information
This product is manufactured by Anhui Tongyuan Environment Energy Saving Co., Ltd., operating under the Toyon Energy brand. The company is committed to providing complete PV and energy storage solutions, including residential and commercial systems.
Toyon Energy's business encompasses residential, commercial, landfill + photovoltaic composite projects, wind power, charging piles, and energy storage, offering integrated application solutions for various scenarios.





