1. Product Overview
The Deye SUN-SG01LP1-EU series hybrid inverter is designed for residential and light commercial solar energy systems. It maximizes the self-consumption rate of solar energy, enhancing energy independence. This inverter efficiently manages power flow, allowing excess solar energy to charge a 48V low voltage battery and providing power to loads when needed. It also supports charging from a diesel generator to ensure an uninterrupted power supply during grid outages.
Key features include:
- Colorful touch LCD for intuitive control.
- IP65 protection degree for outdoor installation.
- Configurable 6 time periods for battery charging/discharging.
- Max. charging/discharging current of 190A.
- Scalable up to 16 units in parallel.
- DC couple and AC couple functionality for retrofitting existing solar systems.
- Support for energy storage from diesel generators.
- 48V low voltage battery compatibility for safety and reliability.
- Unique Smart Load application and Grid peak shaving function.
- 4ms fast transfer from on-grid to off-grid mode, ensuring stable operation for sensitive loads like traditional air conditioners.
2. Setup and Installation
The Deye Hybrid Inverter is designed for wall-mounted installation. Due to the electrical nature of the product, it is highly recommended that installation and wiring be performed by a qualified electrician to ensure safety and proper functionality.
2.1. Physical Installation
The inverter should be mounted on a sturdy wall in a location that allows for adequate ventilation and access for maintenance. The IP65 rating ensures protection against dust and water jets, making it suitable for outdoor environments.
2.2. Electrical Connections
All electrical connections, including PV input, battery connections, grid connection, load output, and generator input, must be made according to local electrical codes and the detailed wiring diagrams provided in the full product manual. The inverter features dedicated ports for these connections, as well as RS485/CAN ports for battery communication.
Ensure all DC switches are in the 'OFF' position before making any connections. Verify correct polarity for all DC connections (PV and Battery). The inverter supports parallel operation for increased capacity, with up to 16 units capable of being connected in parallel.
3. Operating Instructions
Once installed and connected, the inverter can be powered on. The colorful touch LCD provides real-time system status and allows for configuration of various operating parameters.
3.1. Initial Power-Up
- Ensure all connections are secure and correct.
- Turn on the DC switch on the side of the inverter.
- Turn on the AC breaker for the grid connection.
- The inverter will initiate its startup sequence. Follow any on-screen prompts on the LCD.
3.2. Operating Modes and Features
- Self-Consumption: Prioritizes using solar energy for household loads, then charging the battery, and finally feeding excess power back to the grid.
- Grid Peak Shaving: Utilize stored battery energy during peak grid electricity rates to reduce consumption from the grid. This function can be activated or deactivated via the inverter's interface.
- Off-Grid Functionality: In the event of a grid failure, the inverter can seamlessly switch to off-grid mode within 4ms, drawing power from the solar panels and battery to supply critical loads.
- Battery Management: Configure up to 6 time periods for optimal battery charging and discharging, allowing for time-of-use optimization. The inverter communicates with the battery management system (BMS) via RS485/CAN for efficient and safe operation.
- Diesel Generator Integration: The inverter can be configured to charge the battery from a diesel generator, providing an additional layer of energy security.
4. Maintenance
Regular maintenance ensures the longevity and optimal performance of your Deye Hybrid Inverter.
- Visual Inspection: Periodically check the inverter for any visible damage, loose connections, or signs of overheating.
- Cleaning: Keep the inverter's exterior clean and free from dust and debris. Ensure ventilation openings are not obstructed. Use a soft, dry cloth for cleaning. Do not use abrasive cleaners or liquids.
- Connection Checks: Annually, have a qualified electrician inspect all electrical connections to ensure they are tight and free from corrosion.
- Software Updates: Keep the inverter's firmware updated. Updates can often be performed remotely via the smart monitoring platform.
For any internal maintenance or repairs, always contact qualified service personnel.
5. Troubleshooting
If you encounter issues with your Deye Hybrid Inverter, consider the following basic troubleshooting steps:
- No Power/Display Off: Check all AC and DC breakers. Ensure the DC switch on the inverter is in the 'ON' position. Verify grid power supply.
- Low Output/Charging Issues: Check PV panel connections and ensure they are clean and free from shading. Verify battery connections and state of charge.
- Error Codes: Refer to the detailed error code list in the comprehensive product manual for specific meanings and solutions.
- System Not Operating as Expected: Review configured operating parameters on the LCD or via the monitoring platform.
If problems persist after basic troubleshooting, contact technical support for assistance. Do not attempt to open or repair the inverter yourself, as this may void the warranty and pose safety risks.
6. Specifications
6.1. General Data
| Parameter | Value |
|---|---|
| Operating Temperature Range (°C) | -45~60°C, >45°C Derating |
| Cooling | Smart cooling |
| Noise (dB) | <30 dB |
| Communication with BMS | RS485; CAN |
| Weight (kg) | 48.5kg |
| Size (mm) | 464(W)*798.4(H)*300(D) |
| Protection Degree | IP65 |
| Installation Style | Wall-mounted |
| Warranty | 5 years |
6.2. AC Output Data & Efficiency
| Parameter | 12000W | 14000W | 16000W |
|---|---|---|---|
| Rated AC Output Power (W) | 12000W | 14000W | 16000W |
| AC Output Rated Current (A) | 52.2 | 60.9 | 69.6 |
| Max. Continuous AC Passthrough (A) | 100 | ||
| Peak Power (off grid) | 2 times of rated power, 5 S | ||
| Power Factor | 0.8 leading to 0.8 lagging | ||
| Output Frequency and Voltage | 50/60Hz; L/N/PE 220/230Vac (single phase) | ||
| Grid Type | Single Phase | ||
| DC injection current (mA) | <0.5% In | ||
| Efficiency | |||
| Max. Efficiency | 97.60% | ||
| Euro Efficiency | 96.50% | ||
| MPPT Efficiency | 99.90% | ||
| Certifications and Standards | |||
| Grid Regulation | CEI 0-21, VDE-AR-N 4105, NRS 097, IEC 62116, IEC 61727, G99, G98, VDE 0126-1-1, RD 1699, C10-11 | ||
| Safety EMC/Standard | IEC/EN 61000-6-1/2/3/4, IEC/EN 62109-1, IEC/EN 62109-2 | ||
6.3. Battery Input Data & PV String Input Data
| Model | SUN-12K-SG01LP1-EU | SUN-14K-SG01LP1-EU | SUN-16K-SG01LP1-EU |
|---|---|---|---|
| Battery Input Data | |||
| Battery Type | Lead-acid or Lithium-ion | ||
| Battery Voltage Range (V) | 40-60V | ||
| Max. Charging Current (A) | 220A | 250A | 290A |
| Max. Discharging Current (A) | 220A | 250A | 290A |
| UPS Power (W) | 12000 | ||
| Charging Curve | 3 Stages / Equalization | ||
| External Temperature Sensor | Yes | ||
| Charging Strategy for Li-Ion Battery | Self-adaption to BMS | ||
| PV String Input Data | |||
| Max. DC Input Power (W) | 15600W | 18200W | 20800W |
| Max. DC Input Voltage (V) | 500 | ||
| Start-up Voltage (V) | 125 | ||
| MPPT Range (V) | 150-425V | ||
| Rated DC Input Voltage (V) | 370 | ||
| PV Input Current (A) | 2G+2G+2S | ||
| Max. PV ISC (A) | 44+44+44 | ||
| No. of MPPT Trackers | 3 | ||
| No. of Strings Per MPPT Tracker | 2 | ||
7. Warranty and Support
The Deye SUN-SG01LP1-EU series hybrid inverter comes with a 5-year warranty. During the warranty period, if a product issue arises, our engineers will first provide a solution based on the specific situation. If the problem persists, the product will be refunded or replaced free of charge.
Damage incurred during transit will be handled according to the terms of the contract.
7.1. Technical Support
For technical assistance, troubleshooting, or warranty claims, please contact our support team. The smart monitoring platform allows for remote parameter setting and firmware updates, facilitating easier PV plant operation and maintenance.
7.2. User Tips
- Professional Installation: Always engage a certified electrician for wiring and installation to ensure safety and compliance with electrical standards.
- Optimize Self-Consumption: Utilize the inverter's programmable battery charging/discharging periods to maximize the use of self-generated solar power and reduce reliance on grid electricity during peak hours.
- Monitor Performance: Regularly check the inverter's LCD display and the smart monitoring platform for system performance and any alerts.