1. Introduction
The SRNE ASP series solar hybrid inverter is a sophisticated device integrating solar energy storage, mains charging, and AC pure sine wave output. Controlled by DSP technology, it offers high response speed, reliability, and industrial-standard performance through advanced control algorithms. This inverter supports four charging modes (solar only, mains priority, solar power priority, and solar hybrid) and two output modes (inverter and Mains Power) to suit diverse application requirements.
The solar charging module utilizes optimized MPPT technology for rapid tracking of the PV array's maximum power point, ensuring maximum energy harvest from solar panels with a wide MPPT voltage range. The AC-DC charging module employs a full digital double closed-loop control for precise voltage and current regulation, featuring a wide AC voltage input range and comprehensive I/O protection. The DC-AC inverter module, based on all-digital intelligent design and SPWM technology, delivers a pure sine wave output suitable for various AC loads, including household appliances, power tools, and industrial equipment. The product features a sectional LCD display for real-time system data and status, complemented by extensive electronic protection for enhanced safety and stability.
2. Key Features
2.1 Functional Characteristics
- Supports various energy storage batteries, including lead-acid and lithium-ion, with configurable discharge times.
- Dual activation function for lithium-ion batteries in sleep mode (activated by mains/PV power).
- Supports split-phase/single-phase pure sine wave output.
- Adjustable phase voltage within 100 Vac, 105 Vac, 110 Vac, 120 Vac, and 127 Vac.
- Dual-channel PV input with simultaneous Maximum Power Point Tracking (MPPT) for charging/carrying capacity.
- Dual-channel MPPT with up to 99.9% efficiency and a maximum single-channel current of 18 A, compatible with high-power modules.
- Four charge modes: PV only, mains first, PV first, and mains + PV.
- Timed charge and discharge function for optimizing electricity costs based on time-of-use pricing.
- Energy-saving mode to reduce no-load energy losses.
- Two output modes: mains bypass output and inverter output, ensuring uninterrupted power supply.
- LCD display for dynamic flowchart, real-time system data, and operating status.
- 360° protection: short circuit, overcurrent, overvoltage, undervoltage, and overload protection.
- Supports CAN, USB, RS485 communication.
- Advanced MPPT technology with efficiency up to 99.9%.
- LCD screen design with 3 LED indicator lights for dynamic display of system data and running status.
- Intelligent adjustable speed fan for efficient heat dissipation and extended system lifespan.
- Complete short circuit protection, over-voltage and under-voltage protection, overload protection, and backfeed protection.
2.2 Design Characteristics
- Full-digital double closed-loop control combined with advanced SPWM technology for pure sine wave output.
- Advanced MPPT technology with 99.9% efficiency.
- LCD screen and three LED indicator lights clearly indicate status and data.
- Intelligent and variable-speed fan for efficient heat dissipation and extended system life.
- Multiple safety protection functions: short circuit protection, overload protection, reverse polarity protection, etc.
3. Specifications
| Attribute | Value |
|---|---|
| Brand Name | SRNE |
| Model Number | ASP4865U140-H |
| Type | DC/AC Inverters, Off-Grid/Grid-Tie Solar Inverter |
| Rated Output Power (W) | 6500W |
| Peak Power | 13000VA |
| Output Power | 1 - 200 KW |
| Output Type | DUAL |
| Output Voltage Waveform | Pure Sine Wave |
| Output Frequency | 50Hz/60Hz |
| Output Current | 140A |
| Rated Battery Input Voltage | 48V |
| Battery Type | Lead-acid Battery or Lithium Battery |
| Maximum PV Input Power | 10000W |
| Maximum PV Open-circuit Voltage | 550Vdc |
| Maximum PV Charging Current | 60A |
| Hybrid Charging Maximum Charging Current | 140A |
| Rated Input Voltage (AC) | 110Vac |
| Mains Maximum Charging Current | 80A |
| Size | 556mm*345mm*182mm |
| Weight | 22kg |
| Certification | CE, RoHS |
| Origin | Mainland China |
| Function 1 | Working without battery under special conditions. |
| Function 2 | Grid-connected mode can be set. |
| Function 3 | Support WIFI Module |
| Feature 1 | LCD with touch screen operation |
| Feature 2 | Waterproof, strong corrosive ability |
3.1 Package Dimensions
- Length: 56 cm
- Width: 35 cm
- Height: 19 cm
- Weight: 23.0 kg
4. Setup and Installation
Proper installation is crucial for the safe and efficient operation of your SRNE solar inverter. Please follow all local electrical codes and safety guidelines. It is recommended that installation be performed by a qualified electrician.
4.1 Physical Overview
4.2 Connection Ports
4.3 Wiring Diagrams
The inverter supports both split-phase and single-phase AC output configurations. Ensure correct wiring according to the desired mode.
4.3.1 Split-phase Mode (Default)
| Item | Description |
|---|---|
| Applicable model | ASP series U model |
| AC output phase voltage (L-N) | 100 VAC-120 VAC, 120 VAC (default) |
| AC output line voltage (L-L) | 200 VAC-240 VAC, 240 VAC (default) |
4.3.2 Single-phase Mode
| Item | Description |
|---|---|
| Applicable model | ASP series U model |
| AC output phase voltage (L-N) | 100 VAC-120 VAC, 120 VAC (default) |
4.3.3 Split-phase System with Multiple Inverters (1+1 System)
5. Operation
5.1 Powering On/Off
Locate the AC input breaker on the side of the inverter (refer to Section 4.1, Side View). Ensure all connections are secure before powering on. To power on, switch the AC input breaker to the 'ON' position. To power off, switch it to 'OFF'.
5.2 LCD Display and Indicators
The inverter features an LCD with touch screen operation and three LED indicator lights to display real-time system data and running status. The dynamic flowchart on the LCD provides a visual representation of the system's operation.
5.3 Charging Modes
The inverter offers four selectable charging modes:
- Solar Only: Prioritizes charging from solar PV input.
- Mains Priority: Prioritizes charging from the utility grid.
- PV First: Prioritizes using PV power for loads, then charging.
- Mains + PV: Utilizes both mains and PV power for charging and loads.
5.4 Output Modes
Two output modes are available:
- Mains Bypass Output: Power is supplied directly from the utility grid, bypassing the inverter.
- Inverter Output: Power is supplied from the inverter (from battery or PV), providing pure sine wave AC.
5.5 Timed Charge and Discharge
Users can set specific charge and discharge times to optimize energy usage and potentially save on electricity costs, especially when utilizing time-of-use tariffs.
5.6 Energy-Saving Mode
Activate the energy-saving mode to reduce no-load energy losses when the inverter is not actively supplying power to loads.
6. Maintenance
To ensure optimal performance and longevity of your SRNE solar inverter, regular maintenance is recommended:
- Cleaning: Keep the inverter's exterior clean and free from dust and debris. Ensure ventilation openings are unobstructed.
- Connection Checks: Periodically inspect all electrical connections (PV, battery, grid, load) for tightness and signs of corrosion.
- Environmental Conditions: Ensure the inverter is operating within its specified environmental conditions (temperature, humidity) and is protected from direct sunlight and moisture.
- Firmware Updates: Check the manufacturer's website for any available firmware updates to ensure your inverter has the latest features and bug fixes.
7. Troubleshooting and Protection Features
The SRNE inverter is equipped with comprehensive protection functions to safeguard the unit and connected systems:
- Short Circuit Protection: Automatically shuts down in case of a short circuit.
- Overcurrent Protection: Protects against excessive current draw.
- Overvoltage and Undervoltage Protection: Safeguards against input or output voltages outside safe operating limits.
- Overload Protection: Prevents damage from excessive load demands.
- Reverse Polarity Protection: Protects against incorrect battery terminal connections.
- Backfeed Protection: Prevents unintended power flow back into the grid or other sources.
In case of a fault, the LCD display will show error codes or messages, and indicator lights may change status. Refer to the detailed fault code list in the complete product manual for specific troubleshooting steps. If an issue persists, contact technical support.
8. User Tips
- Battery Capacity Matching: The battery capacity of your system should be carefully determined based on the specific usage requirements of your loads and application scenarios. Incorrect sizing can lead to insufficient power or wasted generation. Always refer to the manual's recommendations or consult with a qualified professional.
9. Frequently Asked Questions (FAQ)
- Q: Can this equipment work with grid injection?
- A: Yes, the SRNE ASP4865U140-H inverter supports grid-connected mode, which can be configured in the settings.
- Q: Can I use this model with both 100 volts and 200 volts simultaneously?
- A: Yes, this inverter supports both split-phase and single-phase pure sine wave output. In split-phase mode, it can provide 120V (L-N) and 240V (L-L) AC output. The phase voltage is adjustable within the range of 100 Vac to 127 Vac.
- Q: What is the maximum current output and can it handle 6 kilowatts?
- A: The inverter has an output current of 140A. Its rated output power is 6500W (6.5 kW), so it can certainly handle a 6 kW load.
- Q: Does it have only one solar input?
- A: No, the inverter supports dual-channel PV input and features simultaneous dual Maximum Power Point Tracking (MPPT).
10. Warranty and Support
The SRNE 6500W Split Phase Parallel Function Solar Inverter comes with an 18-month warranty period from the date of purchase. For technical support, service, or warranty claims, please contact your authorized dealer or SRNE customer service. Ensure you have your model number (ASP4865U140-H) and purchase details available. The inverter supports CAN, USB, and RS485 communication interfaces for monitoring and diagnostics.