1. Introduction
This ECGSOLAX hybrid solar inverter is a multifunctional device, integrating an MPPT solar charge controller, a high-frequency pure sine wave inverter, and a UPS function module into a single unit. It is designed for off-grid backup power and self-consumption applications, providing reliable power for various daily appliances.
2. Key Features
- Pure sine wave AC output.
- Rated power 1.2kW/kVA, with a power factor of 1.
- MPPT (Maximum Power Point Tracking) solar charge controller with a range of 17V~115V and 115Voc.
- High frequency design resulting in a small size and light weight.
- Configurable input voltage range for home appliances and personal computers via LCD settings.
- Configurable battery charging current based on application requirements via LCD settings.
- Configurable AC/Solar Charger priority via LCD settings.
- Compatible with mains voltage or generator power.
- Automatic restart function when AC power recovers.
- Comprehensive protection against overload, over-temperature, and short circuits.
- Smart battery charger design for optimized battery performance.
- Cold start function.
- Optional Wi-Fi remote monitoring capability.
- Configurable for various battery types including AGM, Flooded (FLD), Lithium (LIB), and User-Defined (FEL) via LCD settings.
3. Packing List
Ensure all items are present in the package:
| No. | Item | Quantity | Description |
|---|---|---|---|
| 1 | Inverter | 1 | |
| 2 | Datasheet | 1 | English |
| 3 | User manual | 1 | English |
4. Product Overview and Components
4.1 Front Panel Indicators and Buttons
The front panel features an LCD display and several indicators and buttons for monitoring and configuration:
- AC Indicator: Shows the status of the AC input.
- Invert Indicator: Indicates when the inverter is active.
- Charging Indicator: Displays the battery charging status.
- Fault Indicator: Alerts to any system faults.
- LCD Display: Provides detailed operational information and settings.
- ESC Button: Used to exit menus or cancel selections.
- Up Button: Navigates upwards through menus or increases values.
- Down Button: Navigates downwards through menus or decreases values.
- Enter Button: Confirms selections or enters sub-menus.
4.2 Side and Rear Panel Connections
The side and rear panels house the essential connection ports:
- Power On/Off Switch: Controls the main power to the inverter.
- COM Port: Communication port (e.g., RS232).
- PE (Protective Earth): Grounding connection for safety.
- AC Input: Connection for grid or generator AC power.
- AC Output: Connection for household appliances.
- Battery Input: Connections for the external battery bank.
- PV Input: Connections for solar panel arrays.
5. Setup and Installation
5.1 Connection Diagram
The inverter can be connected to various power sources and loads as shown in the diagram below. Ensure all connections are secure and follow local electrical codes.
5.2 Battery Connection
The inverter is compatible with 12V battery types including AGM, GEL, Flooded, Lithium, and User-defined. It is crucial to use a circuit breaker between the battery and the inverter for safety.
Recommended Battery Cable Size:
| Model | Wire Size | Cable (mm²) | Torque value (max) |
|---|---|---|---|
| 2.0KVA 12V | 1 x 4AWG | 22 | 2 Nm |
| 3.2KVA 24V | 1 x 6AWG | 14 | 2 Nm |
Note: The provided model is 1.2KW 12V, so refer to the 12V specifications for cable sizing.
6. Operating Instructions
6.1 Initial Power-Up
After all connections are made, switch on the inverter using the Power On/Off switch. The LCD display will illuminate, and indicators will show the current status. Refer to the LCD display for real-time information and to configure settings such as input voltage range, battery charging current, and AC/Solar charger priority.
6.2 Load Compatibility
The inverter is compatible with a variety of daily appliances. However, it is important not to overload the unit. Different types of loads have varying starting impulse currents. Always select an appropriate inverter model based on the actual equipment power, current, and load characteristics.
Selection Model of Load Power and Inverter:
| S/N | Load Type | Load Rated Power | Start Impact Coefficient | Minimum Continuous Output Power of Inverter Recommended | For Example |
|---|---|---|---|---|---|
| 1 | Resistive load | P | 1 | S=P*η | Electric Soldering Iron, Resistance Stove, Oven, Water Heater, Disinfection Cabinet, Rice Cooker, etc. |
| 2 | Inductive load | 3-10 | Electric motors, Refrigerators, Transformers, Air conditioners, Electric drills, Lawn mowers, Range hoods, Vacuum cleaners, Washing machines, etc. | ||
| 3 | Resistive load | 3-5 | TV, Computer host, Display projector, etc. | ||
| 4 | Mixed load | 1.5-3 | Induction cookers, Hair dryers, Microwave ovens, etc. |
6.3 Wi-Fi Communication (Optional)
If the optional Wi-Fi module is installed, you can monitor the inverter's operation remotely via a dedicated application. This allows you to check the inverter's status anytime, anywhere.
7. Maintenance
To ensure optimal performance and longevity of your ECGSOLAX hybrid solar inverter, regular maintenance is recommended:
- Keep the inverter in a clean, dry, and well-ventilated area.
- Periodically check all electrical connections for tightness and signs of corrosion.
- Ensure the cooling vents are free from dust and obstructions.
- Monitor the LCD display for any fault indicators and address them promptly.
- Refer to the full user manual (PDF) for detailed maintenance schedules and procedures.
8. Troubleshooting
If you encounter issues with your inverter, consider the following basic troubleshooting steps:
- No Power Output: Check all input power sources (solar, utility, generator) and battery connections. Ensure the Power On/Off switch is in the 'On' position.
- Fault Indicator On: Consult the LCD display for specific error codes or messages. Refer to the detailed user manual for a list of fault codes and their remedies.
- Overload Warning: Reduce the connected load. Ensure the total power consumption of your appliances does not exceed the inverter's rated capacity.
- Over-temperature Warning: Ensure the inverter has adequate ventilation and is not exposed to direct sunlight or excessive heat. Clear any obstructions from the cooling vents.
For complex issues, it is recommended to consult a qualified technician or refer to the comprehensive troubleshooting section in the full user manual.
9. Specifications
| AC Input | |
|---|---|
| Rated Input Voltage (VAC) | 208/220/230/240; L+N+PE |
| Voltage Range (VAC) | 90~280 (APP/GEN mode); 170~264 (UPS mode) |
| Frequency (Hz) | 50/60 (Auto Adaptive) |
| AC Output | |
|---|---|
| Rated Capacity (kVA/kW) | 1.2 (Output Power rating will be reduced to 90%, when setting the Output Voltage to 208V) |
| Surge Power (kVA) | 2.4 |
| Voltage (VAC) | 208/220/230/240 |
| Power Factor (PF) | 1 |
| Frequency (Hz) | 50/60±0.1% |
| Switch Time (ms) | 10 (APP/UPS/GEN mode) |
| WaveForm | Pure Sine Wave |
| Overload Capacity (Battery Mode) | 60s@102%-110%load; 10s@120%-200%load |
| Max. Efficiency (Battery Mode) | 90%@12VDC |
| Charger (PV/AC) | |
|---|---|
| Solar Charger Type | MPPT |
| Max PV Input Current (A)/Power (W) | 18/800 |
| MPPT Range@Operating Voltage (VDC) | 17-115 |
| PV Start-up Voltage (VDC) | 20 |
| Max PV Open Circuit Voltage (VDC) | 115 |
| Max PV Charge Current (A) | 50 |
| Max AC Charge Current (A) | 50 |
| Max. Charge Current (PV+AC) (A) | 100 |
| Battery | |
|---|---|
| Normal Voltage (VDC) | 12 |
| Battery Type | Lithium/Lead-acid |
| General Data | |
|---|---|
| HMI | LCD |
| Interface | RS232 |
| Monitoring | WiFi(Optional) |
| Ingress Protection | IP21 |
| Operating Temperature (°C) | -10~60 |
| Relative Humidity | 5%~95% (Non-condensing) |
| Storage Temperature (°C) | -15~60 |
| Max. Operating Altitude (m) | 4000 (Derating above 2000) |
9.1 Output Power Derating Curve
The output power rating of the inverter may be reduced under certain conditions. The following table and curve illustrate how output power is affected by the status of battery, PV, and AC input, and battery voltage.
| Battery | PV | AC Input | Max Output Power |
|---|---|---|---|
| L | N | N | Follow the Battery Voltage Derating Curve as shown below. |
| N | L | N | No Output |
| N | N | L | Input Voltage * Input Max current 10A |
| L | L | N | Follow the Battery Voltage Derating Curve as shown below. |
| N | L | L | Input Voltage * Input Max Current 10A |
| L | N | L | Input Voltage * Input Max Current 10A |
| L | L | L | Input Voltage * Input Max Current 10A |
Note: 'L' in the diagram represents a connected state, while 'N' signifies a not connected state.
10. Comprehensive Protection Features
The ECGSOLAX inverter is equipped with 360° protection to ensure safe and reliable operation:
- Short Circuit Protection: Prevents damage from short circuits.
- Over Voltage Protection: Safeguards against excessive voltage.
- Over Current Protection: Protects against current surges.
- Under Voltage Protection: Ensures stable operation during low voltage conditions.
- Over-Load Protection: Prevents damage from excessive loads.
- Backfill Protection: Protects against reverse power flow.
- Over Charge Protection: Prevents battery overcharging.
- Over-Temperature Protection: Shuts down the unit if internal temperatures become too high.
11. Application Scenarios
This hybrid solar inverter is versatile and suitable for various applications:
- Solar Home Systems: Enjoy solar power for your residence.
- RV (Recreational Vehicle): Power your RV on the road.
- Outdoor Camping: Realize the freedom of electricity use in remote locations.
- Farm: Provide power supply for outdoor tools and equipment.
- Boat: Sail with sun power, providing electricity for marine applications.
- Hybrid Energy System: Integrate with existing utility or generator power.
- Backup Power: Reliable power during outages.
12. User Tips
- Optional Wi-Fi Module: The inverter supports optional Wi-Fi communication for remote monitoring. If you wish to use this feature, you may need to purchase a compatible Wi-Fi device separately.
- Load Management: Always calculate the total power consumption of your appliances, especially those with high starting currents, to avoid overloading the inverter. Refer to the load compatibility table in Section 6.2.
- Battery Selection: When configuring battery settings via the LCD, ensure you select the correct battery type (AGM, FLD, LIB, FEL, or User-Defined) to optimize charging and discharge cycles.
13. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the official ECGSOLAX website or contact your authorized dealer. Keep your purchase receipt and product serial number handy for faster service.
A detailed user manual in PDF format is available for download. This document provides comprehensive information on installation, operation, troubleshooting, and safety guidelines. You can access the PDF manual here.
