1. Introduction
This PowMr 4.2KW Hybrid Solar Inverter is a multi-function inverter/charger, combining the functionalities of an inverter, solar charger, and battery charger. It is designed to provide uninterruptible power support in a portable size. The comprehensive LCD display allows for user-configurable and easy-to-access button operations, including battery charging current, AC/solar charger priority, and acceptable input voltage settings tailored to various applications.
Video: Unboxing and overview of the PowMr 4.2KW Hybrid Solar Inverter, highlighting its key features and components.
2. Features
- Pure sine wave inverter output.
- Configurable input voltage range for home appliances and personal computers via LCD setting.
- Configurable battery charging current based on applications via LCD setting.
- Configurable AC/Solar Charger priority via LCD setting.
- Compatible with mains voltage or generator power.
- Automatic restart function when AC power recovers.
- Comprehensive protection against overload, over temperature, and short circuit.
- Smart battery charger design for optimized battery performance.
- Cold start function for reliable operation.
3. Specifications
| Attribute | Value |
|---|---|
| Brand Name | PowMr |
| Model Number | POW-HVM4.2M-24V-N |
| Output Power | 1 - 200 KW |
| Size | 358x442x116 mm |
| Output Type | SINGLE |
| Weight | 8.9kg |
| Output Frequency | 50HZ/60HZ |
| Is Smart Device | Yes |
| Origin | Mainland China |
| Certification | CE |
| System Configuration | Photovoltaic Hybrid Solar Inverter |
| Output Voltage Waveform | Pure Sine Wave |
| Rated output power | 4.2KVA/4.2KW |
| Output Voltage | 230VAC |
| Battery Voltage | 24VDC |
| Maximum PV input power | 6200W |
| PV Array MPPT Voltage Range | 60VDC-500VDC |
| Application | Home solar system |
| Load type | Household appliances, farm tools |
| Feature | Built-in MPPT Solar Charge Controller |
| Item Type | MPPT Solar Inverter |
| Battery Type Compatibility | Lithium Batteries, Flooded Batteries, Gel Batteries, User Mode, Lead-acid Batteries, AGM Batteries |
3.1. Line Mode Specifications
| Parameter | Value |
|---|---|
| Input Voltage Waveform | Pure Sine Wave (Utility or Generator) |
| Nominal Input Voltage | 230Vac |
| Max AC Input Voltage | 300Vac |
| Efficiency (Line Mode) | >95% (Rated R load, battery full charged) |
| Transfer Time | 10ms typical (UPS); 20ms typical (Appliances) |
3.2. Inverter Mode Specifications
| Parameter | Value |
|---|---|
| Rated Output Power | 4.2KW |
| Output Voltage Waveform | Pure Sine Wave |
| Output Voltage Regulation | 230Vac±5% |
| Output Frequency | 50HZ |
| Peak Efficiency | 93% |
| Overload Protection | 3s@≥150% load; 5s@101%~150% load |
| Surge Capacity | 2* rated power for 5 seconds |
| Nominal DC Input Voltage | 24VDC |
| Cold Start Voltage | 23.0VDC |
| No Load Power Consumption | 30W |
3.3. Charge Mode Specifications
| Parameter | Value |
|---|---|
| Charging Algorithm | 3-Step |
| AC Charging Current (Max) | 100A |
| Max. PV Array Power | 6200W |
| Nominal PV Voltage | 240VDC |
| PV Array MPPT Voltage Range | 60VDC~500VDC |
| Max. PV Array Open Circuit Voltage | 500VDC |
| Max Charging Current (AC charger plus solar charger) | 120A |
3.4. Grid-Tie Operation Specifications
| Parameter | Value |
|---|---|
| Nominal Output Voltage | 220/230/240VAC |
| Feed-in Grid Voltage Range | 195-253VAC |
| Feed-in Grid Frequency Range | 49-51±1Hz/59-61±1Hz |
| Nominal Output Current | 18.2A |
| Maximum Conversion Efficiency (DC/AC) | 97% |
3.5. Two Load Output Power
| Parameter | Value |
|---|---|
| Full Load | 4200W |
| Maximum Main Load | 4200W |
| Maximum Second Load (battery model) | 1400W |
| Main Load Cut Off Voltage | 26VDC |
| Main Load Return Voltage | 27VDC |
4. Setup
Before installation, ensure all components are present and undamaged. The package includes the inverter device and a user manual. Carefully unpack the inverter and inspect it for any signs of damage during transit.
4.1. System Configuration Diagram
Diagram: This diagram illustrates a typical hybrid power system setup. The inverter connects to solar panels (PV Array), a battery bank (24V lithium or lead-acid), and can draw power from a generator or utility grid. It provides single-phase 230V output to home appliances.
- Solar Power: Max. VOC: 500V DC. PV Array MPPT Voltage Range: 60-450V DC. Max. PV Array Power: 6200W.
- Max Charging Current: 120A (AC charger + solar charger).
- Battery: Compatible with 24V lithium battery and lead-acid battery.
- Output: Single phase 230V output, 4.2KW, for home appliances.
4.2. Battery Compatibility
The inverter is compatible with multiple battery types, including AGM, GEL, FLD (Flooded), LI (Lithium), SLD, and USER-defined modes. When solar energy is present, setting the battery type to LIB will activate the lithium battery after 3 seconds.
Image: Visual representation of compatible battery types: AGM, GEL, FLD (Flooded), LI (Lithium), SLD, and USER-defined.
5. Operating Instructions
The inverter features a comprehensive LCD display for user interaction and configuration. All settings can be adjusted via the buttons on the LCD panel.
5.1. Configurable Settings via LCD Display
Image: The LCD display allows configuration of various parameters, including AC/Solar charger priority, battery charging current, and input voltage range for different applications.
5.2. Multiple Charging and Output Modes
The inverter supports various charging and output modes to optimize power management based on availability and priority.
Diagram: This diagram illustrates the different charging and output modes:
- Three Battery Charging Modes: Solar priority, Solar + Utility, Only Solar.
- Output Modes: Solar priority, Utility priority, SBU mode.
6. Maintenance
To ensure optimal performance and longevity of your PowMr Hybrid Solar Inverter, regular maintenance is recommended:
- Keep the inverter clean and free from dust and debris. Ensure ventilation openings are not blocked.
- Periodically check all electrical connections for tightness and signs of corrosion.
- Monitor the LCD display for any error codes or unusual readings. Refer to the troubleshooting section if issues arise.
- Ensure the battery bank is maintained according to the manufacturer's specifications for the specific battery type used.
- Avoid exposing the inverter to direct sunlight, excessive heat, or moisture.
7. Troubleshooting
If you encounter issues with your PowMr Hybrid Solar Inverter, please refer to the following general troubleshooting steps. For specific error codes or complex problems, consult the detailed manual provided with the product or contact customer support.
- No Power/Display Off: Check all power connections, including AC input, battery connections, and PV input. Ensure the main power switch is ON.
- Inverter Not Outputting AC: Verify that the battery voltage is within the operating range. Check for overload or short circuit conditions. Ensure the output mode is correctly configured.
- Battery Not Charging: Check PV input voltage and current. Ensure AC input is present if utility charging is enabled. Verify battery type settings on the LCD.
- Overload Protection Triggered: Reduce the load connected to the inverter. Check for any faulty appliances causing excessive current draw.
- Over Temperature Warning: Ensure adequate ventilation around the inverter. Clear any obstructions from the cooling fans.
8. User Tips
- Always ensure proper grounding for safety during installation and operation.
- Regularly monitor the LCD display for system status and performance indicators.
- When configuring battery settings, accurately select your battery type to ensure optimal charging and discharge cycles, prolonging battery life.
- Consider installing a remote monitoring module (if available for your model) to track performance and receive alerts from anywhere.
9. Warranty and Support
The PowMr 4.2KW Hybrid Solar Inverter comes with a 1-year warranty from the date of purchase. For any technical assistance, warranty claims, or support inquiries, please contact your seller or PowMr customer service. Ensure you have your purchase details and product model number available when contacting support.
Image: This image confirms a 1-year warranty for all products from the store.
