1. Introduction
This ECGSOLAX Hybrid Solar Inverter is a multi-function inverter/charger designed to provide uninterruptible power support. It integrates the functions of an inverter, a solar charger, and a battery charger into a portable unit. The comprehensive LCD display allows users to configure various settings, including battery charging current, AC/solar charger priority, and acceptable input voltage, to suit different application needs.
2. Key Features
- Pure sine wave output for high-quality AC power.
- Configurable input voltage range for both home appliances and personal computers via LCD settings.
- Adjustable battery charging current based on application requirements via LCD settings.
- Configurable AC/Solar Charger priority via LCD settings.
- Compatible with mains voltage or power generators.
- Automatic restart function upon AC power recovery.
- Comprehensive protection against overload, over temperature, and short circuits.
- Smart battery charger design for optimized battery performance.
- Cold start function.
- Low-noise operation, suitable for quiet environments.
3. Safety Instructions
WARNING: Please read all instructions and warnings carefully before installation and operation. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Ensure proper grounding of the inverter.
- Do not disassemble the inverter. Refer all servicing to qualified personnel.
- Keep the inverter away from flammable materials and moisture.
- Ensure adequate ventilation around the inverter to prevent overheating.
- Always use appropriate circuit breakers between the battery and the inverter, and for AC input/output.
- Verify correct polarity when connecting batteries.
- The inverter features multiple protection functions including: Short-circuit Protection, Surge Protection, Overload Protection, Over-Temperature Protection, Low Voltage Protection, High Voltage Protection, Over Current Protection, Under Voltage Protection, Backfill Protection, and Over Charge Protection.
4. Installation
4.1 General Connection Diagram
The inverter acts as a central component in your solar power system, connecting solar panels, a generator or utility grid, batteries, and household loads. Ensure all connections are secure and follow local electrical codes.
4.2 Battery Connection
The inverter is compatible with various 12V battery types, including Flooded (FLD), Lithium (LI), Sealed Lead-Acid (SLD), AGM, and GEL batteries. For user-defined battery types, settings must be configured via the LCD interface.
IMPORTANT: Always use a circuit breaker between the battery and the inverter for safety.
4.3 Recommended Battery Cable Size
| Model | Wire Size | Cable (mm²) | Torque value (max) |
|---|---|---|---|
| 2.0KVA 12V | 1 x 4AWG | 22 | 2 Nm |
5. Operation
5.1 LCD Display and Settings
The inverter features a comprehensive LCD display that allows users to monitor system status and configure various operational parameters. These include battery charging current, AC/solar charger priority, and acceptable input voltage ranges for different applications (e.g., personal computers vs. home appliances).
5.2 Pure Sine Wave Output
The inverter produces a pure sine wave output, which is identical to the waveform of the utility grid. This ensures high-quality AC power, stable output, and broad compatibility with sensitive electronic devices and various household appliances.
5.3 Appliance Compatibility and Load Selection
The inverter is compatible with a wide range of daily appliances. When connecting loads, it is crucial to consider the starting impulse current of different appliance types. The following table provides reference values; always select an inverter model appropriate for the actual equipment power, current, and load characteristics.
| S/N | Load Type | Load Rated Power | Start Impact Coefficient | Recommended Min. Continuous Output Power of Inverter | Examples |
|---|---|---|---|---|---|
| 1 | Resistive load | P | 1 | P | Electric Soldering Iron, Resistance Stove, Oven, Water Heater, Disinfection Cabinet, Rice Cooker, etc. |
| 2 | Inductive load | P | 3-10 | S=P*η | Electric motors, Refrigerators, Transformers, Air conditioners, Electric drills, Lawn mowers, Range hoods, Vacuum cleaners, Washing machines, etc. |
| 3 | Resistive load | P | 3-5 | P | TV, Computer host, Display projector, etc. |
| 4 | Mixed load | P | 1.5-3 | P | Induction cookers, Hair dryers, Microwave ovens, etc. |
5.4 Low-Noise Operation
The inverter incorporates noise reduction technology, ensuring quiet operation that will not disturb your environment. For reference, the inverter operates at approximately 45dB, significantly quieter than typical voice levels (60dB) or alarm clocks (80dB).
6. Maintenance
- Regularly inspect all cables and connections for wear, damage, or loose contacts.
- Keep the inverter's ventilation openings clear of dust and debris to ensure proper airflow.
- Clean the exterior of the inverter with a dry cloth. Do not use liquid cleaners.
- Periodically check battery terminals for corrosion and clean if necessary.
- Monitor the LCD display for any error codes or warnings and consult the troubleshooting section if issues arise.
7. Troubleshooting
This section provides guidance for common issues. For complex problems, contact qualified service personnel.
- No Power Output: Check battery connections, input AC/solar power, and ensure all circuit breakers are engaged. Verify the inverter is turned on.
- Overload Warning: Reduce the connected load. The inverter will automatically attempt to restart after an overload event.
- Over Temperature Warning: Ensure adequate ventilation. Clear any obstructions from the inverter's cooling fins. Allow the unit to cool down.
- Battery Low Voltage: Check battery charge level. Ensure solar panels are receiving sufficient sunlight or that the AC charger is functioning.
- Inconsistent Output: Verify input voltage stability from both solar and grid sources. Check for loose connections.
8. Specifications
| General Specifications | |
|---|---|
| Brand Name | ECGSOLAX |
| Model Number | ECG-HVM1.2K-12V, ECG-HVM2K-12V |
| Rated Power | 1200W / 2000W |
| Surge Power | 2400VA (1.2K model) / 4000VA (2K model) |
| Waveform | Pure Sine Wave |
| AC Voltage Regulation (Batt. Mode) | 230VAC ± 5% |
| Inverter Efficiency (Peak) | 90% |
| Transfer Time | 10 ms (for Personal Computer) / 20 ms (for Home Appliances) |
| Rated Voltage D.C. | 12VDC |
| Floating Charge Voltage | 13.5VDC |
| Overcharge Protection | 16VDC |
| Output Frequency | 50/60Hz (Auto sensing) |
| EU LVD Voltage | Below 50Vac or 75Vdc |
| Is Smart Device | No |
| Origin | Mainland China |
| Certification | CE |
| EMC | EN61000, EN55022, EN55024 |
| IP Grade | IP21 |
| Mounting | Wall-mounted |
| Dimensions (D*W*H) | 370*260*160 mm (37*26*16 CM) |
| Net Weight | 4.5 KG |
| Operating Temperature | -10°C to 50°C |
| Storage Temperature | -15°C to 60°C |
| Humidity | 5% to 95% Relative Humidity (Non-condensing) |
| AC Charger Specifications | |
| Charge Current | 20A |
| AC Input Voltage | 230VAC |
| Selectable Voltage Range | 170-280VAC (for Personal Computer) / 90-280VAC (for Home Appliances) |
| Solar Charger Specifications | |
| Max. PV Array Power | 800W |
| MPPT Range @ Operating Voltage | 17VDC-115VDC |
| Max. PV Array Open Circuit Voltage | 150VDC |
| Max. Solar Charge Current | 50A |
| Max. Efficiency | 98% |
| Combined Charging | |
| Max. Charge Current (AC Charger + Solar Charger) | 70A |
9. User Tips
- Operation Without Battery: While some advanced hybrid inverters may offer limited functionality without a battery, this ECGSOLAX inverter is designed to provide "uninterruptible power support," which inherently relies on a connected battery for stable operation and backup power. For optimal performance and to utilize all features, a battery connection is essential.
- Load Matching: Always consider the starting surge current of inductive loads (e.g., motors, refrigerators) when selecting your inverter model. These loads can draw significantly more power at startup than their rated continuous power.
- Ventilation: Ensure the inverter is installed in a location with ample airflow to prevent overheating, especially during high load operation or in warm climates.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the contact details provided by your retailer or the manufacturer's official website. Keep your purchase receipt as proof of purchase for any warranty claims.
