1. Introduction
This manual provides essential information for the installation, operation, and maintenance of your EASUN 5.6KW 48V Hybrid Solar Inverter. Please read this manual thoroughly before installation and operation to ensure proper and safe usage of the device. This hybrid inverter is designed to efficiently manage power from solar panels, batteries, and the utility grid, providing a reliable power supply for your home or business.
Video: Overview of the EASUN 5.6KW Hybrid Solar Inverter.
2. Main Features
- Customizable status LED ring with RGB lights for visual feedback.
- Touchable button interface with a 4.3-inch colored LCD for easy configuration and monitoring.
- Supports USB On-the-Go (OTG) function for data transfer.
- Internal storage for data log events.
- Enables self-consumption and feed-in to the grid.
- Programmable supply priority for PV, Battery, or Grid sources.
- User-adjustable charging current and voltage settings.
- Multiple programmable operation modes: Grid-tie, off-grid, and grid-tie with backup.
- Built-in WiFi for convenient mobile monitoring via a dedicated application.
- Reserved communication port for Battery Management System (BMS) integration.
- Supports parallel operation of up to 9 units for increased capacity.

Image: Key features of the EASUN 5.6KW Hybrid Solar Inverter.
3. Package Contents
Upon unpacking, please verify that all items listed below are included and undamaged:
- EASUN 5.6KW Hybrid Solar Inverter Unit
- User Manual
- Software CD
- USB Communication Cable

Image: Contents included in the product package.
4. Technical Specifications

Image: Detailed technical specifications table.
| Parameter | Value |
|---|---|
| Model | IGrid SV IV 5.6KW |
| Rated Output Power | 5600W |
| Max. PV Input Power | 6000W |
| Max. Charging Power | 6000W |
| GRID-TIE OPERATION - PV Input (DC) | |
| Nominal DC Voltage | 360VDC/450VDC |
| Max. DC Voltage | 450VDC |
| Start-up Voltage / Initial Feeding Voltage | 110VDC/120VDC |
| MPPT Voltage Range | 120VDC~430VDC |
| Number of MPPT Trackers / Max. Input Current | 1/27A |
| GRID-TIE OPERATION - Grid Output (AC) | |
| Nominal Output Voltage | 220/230/240VAC |
| Output Voltage Range | 184-264.5VAC or 195.5-253VAC (Selectable) |
| Nominal Output Current | 24.3A |
| Power Factor | >0.9 |
| EFFICIENCY | |
| Max. Conversion Efficiency (DC/AC) | 96% |
| OFF-GRID OPERATION - AC Input | |
| AC Start-up Voltage / Auto Restart Voltage | 120-140VAC/180VAC |
| Acceptable Input Voltage Range | 90-280VAC or 170-280VAC |
| Max. AC Input Current | 40A |
| OFF-GRID OPERATION - PV Input (DC) | |
| Max. DC Voltage | 450VDC |
| MPPT Voltage Range | 120VDC~430VDC |
| Number of MPPT Trackers / Max. Input Current | 1/27A |
| BATTERY MODE OUTPUT (AC) | |
| Nominal Output Voltage | 220/230/240VAC |
| Output Waveform | Pure Sine Wave |
| Efficiency (DC to AC) | 93% |
| HYBRID OPERATION - PV Input (DC) | |
| Nominal DC Voltage | 360VDC/450VDC |
| Max. DC Voltage | 450VDC |
| Start-up Voltage / Initial Feeding Voltage | 110VDC/120VDC |
| MPPT Voltage Range | 120VDC~430VDC |
| Number of MPPT Trackers / Max. Input Current | 1/27A |
| HYBRID OPERATION - Grid Output (AC) | |
| Nominal Output Voltage | 220/230/240VAC |
| Output Voltage Range | 184-264.5VAC or 195.5-253VAC (Selectable) |
| Nominal Output Current | 24.3A |
| HYBRID OPERATION - AC Input | |
| AC Start-up Voltage / Auto Restart Voltage | 120-140VAC/180VAC |
| Acceptable Input Voltage Range | 90-280VAC or 170-280VAC |
| Max. AC Input Current | 40A |
| BATTERY & CHARGER | |
| Nominal DC Voltage | 48VDC |
| Max. Solar Charging Current | 120A |
| Max. AC Charging Current | 120A |
| Max. Charging Current | 120A |
| GENERAL PHYSICAL | |
| Dimension (D*W*H) | 140*295*468 mm |
| Net Weight | 12 kg |
5. Installation and Setup
Before proceeding with installation, ensure the inverter is placed in a well-ventilated area, away from direct sunlight, heat sources, and moisture. All electrical connections must be performed by qualified personnel in accordance with local electrical codes.
5.1. System Diagram

Image: System diagrams illustrating operation with and without battery connected.
5.2. PV Connection
When connecting PV modules, observe the following parameters:
- The Open Circuit Voltage (Voc) of PV modules must not exceed the maximum PV array open circuit voltage of the inverter.
- The Open Circuit Voltage (Voc) of PV modules should be higher than the minimum battery voltage.

Image: PV Panel connection diagram and recommended PV module parameters.
5.3. Battery Connection
The IGrid SV IV 5.6KW model supports a 48VDC battery system. Ensure batteries are connected in series to achieve the required voltage, maintaining correct polarity.

Image: Example of connecting four 12V batteries in series for a 48V system.
5.4. Rear Panel Connections
Familiarize yourself with the rear panel connections for AC input/output, DC input, PV input, and communication ports.

Image: Labeled rear panel connections.
5.5. Parallel Function
The inverter supports parallel operation of up to 9 units for single-phase or 3-phase configurations. Refer to the diagrams for proper power connections.

Image: Parallel operation diagrams for single and three-phase systems.
6. Operation
6.1. Display and Touch Keys
The inverter features a 4.3-inch colored LCD with touch-sensitive buttons and a customizable RGB LED ring for status indication.

Image: Product overview with dimensions and touch key functions.
| Function Key | Description |
|---|---|
| ESC (Return/Exit) | To exit the current setting or menu. |
| Up Arrow (▲) | To access USB setting mode or navigate up in menus. |
| Down Arrow (▼) | To move to the last selection or navigate down in menus. |
| Enter (↵) | To confirm or enter the selection in setting mode. |

Image: Inverter display showing operational data and touch controls.
6.2. Operation Modes
The inverter supports various programmable operation modes:
- Grid-tie: Feeds excess solar power back to the utility grid.
- Off-grid: Operates independently from the utility grid, typically using battery storage and solar power.
- Grid-tie with backup: Combines grid-tie functionality with battery backup for uninterrupted power during outages.
Refer to the detailed manual (on CD) for specific programming instructions for each mode.
6.3. RGB LED Ring Customization
The inverter's RGB LED ring can be customized to display various colors, providing visual cues for operational status or personal preference.

Image: Examples of customizable RGB LED ring colors.
7. Communication
The inverter offers multiple communication options for monitoring and control:
- USB: For direct connection to a PC for monitoring and configuration.
- RS-232: Serial communication port for PC connection.
- BMS Communication Port: Supports CAN, RS-485, or RS-232 for integration with Battery Management Systems.
- Dry Contact: For external control signals.
- Built-in WiFi: Enables remote monitoring via a mobile application.

Image: Communication connections for PC and BMS.
8. Maintenance
Regular maintenance ensures the longevity and optimal performance of your inverter. Always disconnect all power sources before performing any maintenance.
- Cleaning: Periodically clean the inverter's exterior and ventilation openings to prevent dust buildup, which can affect cooling. Use a dry, soft cloth.
- Connections: Annually check all electrical connections (PV, battery, AC input/output) for tightness and signs of corrosion.
- Environment: Ensure the installation environment remains within specified temperature and humidity ranges.
- Firmware Updates: Check the manufacturer's website for any available firmware updates to improve performance or add features.
9. Troubleshooting
If you encounter issues with your inverter, consult the following general troubleshooting steps. For detailed error codes and solutions, refer to the comprehensive user manual provided on the software CD.
- No Power/Display: Check all power connections (AC input, battery, PV input) and ensure the power switch is in the 'ON' position. Verify circuit breakers are not tripped.
- Low Output Power: Inspect PV panel connections and ensure they are clean and free from shading. Check battery voltage and health.
- Inverter Overheating: Ensure adequate ventilation around the unit. Clear any obstructions from the air vents. Reduce load if consistently overheating.
- Communication Issues: Verify USB/Ethernet cable connections. Ensure WiFi settings are correctly configured and the mobile app is updated.
- Error Codes: Note any error codes displayed on the LCD and consult the detailed manual for specific diagnostic steps.
10. User Tips
- For optimal battery life, ensure your battery charging parameters are correctly set according to your battery type (e.g., LiFePO4, Lead-Acid).
- Regularly monitor your system's performance via the mobile app to identify any anomalies early.
- When configuring parallel units, ensure all inverters are of the same model and firmware version for stable operation.
11. Warranty and Support
For warranty information, technical support, or service requests, please contact your authorized dealer or the EASUN POWER customer service. Keep your purchase receipt and product serial number handy for faster service.





