EASUN POWER ISolar-SMH-II Series Solar Inverter User Manual
This manual provides detailed information for the EASUN POWER ISolar-SMH-II series solar inverters, including models like the 4.2K and 7K, featuring DAXTROMN 3.8KW technology and 110A MPPT solar charging capabilities. It is intended for users and installers to ensure safe and efficient operation.
1. Introduction
Welcome to the user manual for the EASUN POWER ISolar-SMH-II series solar inverters. These advanced inverters are designed to convert DC power from solar panels into AC power for your home or business. This document covers installation, operation, maintenance, and troubleshooting for models such as the ISolar-SMH-II-4.2K-WIFI and ISolar-SMH-II-7K. The DAXTROMN 3.8KW technology ensures efficient power conversion.
2. Safety Precautions
Important Safety Information: Please read all safety instructions before installation and operation. Failure to follow these guidelines may result in electric shock, fire, or personal injury.
- Always disconnect all power sources before performing any maintenance. ⚡
- Ensure installation is performed by qualified personnel. ??
- Keep the inverter in a dry, well-ventilated area. ?️
- Do not operate the inverter in extreme temperatures. ?️
- Verify all wiring connections are secure. ✔️
3. Product Overview
The ISolar-SMH-II series inverters are high-performance devices featuring:
- Pure Sine Wave output for clean power. 〰️
- Built-in 110A MPPT (Maximum Power Point Tracking) solar charger for optimized solar energy harvesting. ☀️
- Wide PV input voltage range. ⚡
- Selectable input voltage for various applications. ?️
- Configurable AC/Solar input priority. ?
- Compatibility with mains voltage or generator power. ?
- Auto restart while AC is recovering. ?
- Overload protection. ?️
- Surge protection. ⚡
- Battery over-charge protection. ?
- User-friendly LCD display and status indicator lights. ?️
4. Specifications
Key technical specifications for the ISolar-SMH-II series:
| Parameter | ISolar-SMH-II-4.2K | ISolar-SMH-II-7K |
|---|---|---|
| Rated Power | 4200W | 7000W |
| Input Voltage Range (PV) | 150 VDC (120-450 VDC) | 150 VDC (120-450 VDC) |
| Max PV Array Power | 5000W | 8000W |
| MPPT Charger Current | 110A | 110A |
| Output Voltage | 230VAC | 230VAC |
| Waveform | Pure Sine Wave | Pure Sine Wave |
5. Installation Guide
Proper installation is crucial for the safe and efficient operation of your solar inverter. It is recommended that installation be performed by a qualified technician.
General Steps:
- Mount the inverter securely in a suitable location. ?
- Connect the PV array to the inverter's DC input terminals. ☀️➡️⚡
- Connect the battery bank to the inverter's battery terminals. ?➡️⚡
- Connect the AC output to your electrical panel or load. ⚡➡️?
- Connect the communication cable (if applicable, e.g., for Wi-Fi monitoring). ?
- Ensure all connections are tight and correctly polarized. ✔️
Refer to the detailed diagrams and wiring instructions in the full manual for specific connections.
6. Operation
The inverter can be operated using the control panel on the unit or via remote monitoring software.
LCD Display: The LCD screen provides real-time information on PV input, battery status, load power, and system faults. ?
Buttons: Use the buttons to navigate menus, set parameters, and control operation modes (e.g., Solar priority, Mains priority). ?️
Monitoring: For Wi-Fi models, connect to the network to monitor performance remotely via the EASUN POWER app or web portal. ?
7. Troubleshooting
If you encounter issues, consult the following common problems and solutions:
- No Output: Check PV input voltage, battery connection, and ensure the inverter is turned on. ❌
- Overload: Reduce the connected load. Ensure the load does not exceed the inverter's rated capacity. ⚖️
- Battery Fault: Verify battery voltage and connection. Check battery health. ?❓
- PV Fault: Check PV array wiring and voltage. Ensure it is within the inverter's operating range. ☀️❓
For persistent issues, please contact EASUN POWER support.
8. Warranty and Support
This product comes with a manufacturer's warranty. For detailed warranty terms and conditions, please refer to the warranty certificate provided with the product or visit the EASUN POWER official website. For technical support or inquiries, please contact Easun Power Factory Store.
