Epever XTRA4210N G3 BLE MPPT Solar Charge Controller

1. Introduction

The Epever XTRA4210N G3 BLE is an advanced Maximum Power Point Tracking (MPPT) solar charge controller designed for off-grid solar systems. It efficiently manages power flow from your solar panels to your battery bank, ensuring optimal charging and extending battery life. Featuring high-quality components, ultra-fast tracking speed, and comprehensive electronic protection, this controller is suitable for various battery types, including lead-acid and lithium-ion. Its built-in Bluetooth functionality allows for convenient monitoring and parameter adjustment via a mobile application.

2. Safety Instructions

Please read all instructions and warnings in this manual carefully before installation and operation. Keep this manual for future reference.

• Ensure all wiring is correctly polarized and securely connected to prevent damage to the controller or other components.
• Always connect the battery first, then the solar panel, and finally the load. Disconnect in the reverse order.
• Do not short-circuit the solar panel or battery terminals.
• Install the controller in a well-ventilated area, away from flammable materials and direct sunlight.
• Wear appropriate personal protective equipment (PPE) when working with electrical systems.
• The controller is designed for specific battery voltages (12V/24V auto-recognition). Ensure your battery system matches these requirements.
• Do not attempt to disassemble or repair the controller yourself. Contact qualified personnel for service.

3. Setup

3.1 Unpacking

Upon receiving your Epever XTRA4210N G3 BLE, please check the package contents. Typically, it includes:

• Epever XTRA4210N G3 BLE MPPT Solar Charge Controller
• Temperature Sensor
• User Manual

3.2 Mounting

Mount the controller vertically on a wall or a stable surface, ensuring adequate air circulation for heat dissipation. Use the mounting holes provided on the controller's casing. Maintain a minimum clearance of 150mm (6 inches) above and below the controller for proper ventilation.

3.3 Wiring Connections

Follow the wiring diagram carefully. Incorrect wiring can damage the controller and other components. Ensure all connections are tight and secure.

1. Connect the Battery: Connect the battery to the controller's battery terminals (marked BATT +/-). Ensure correct polarity. The controller will automatically detect the system voltage (12V or 24V).
2. Connect the Solar Panel: Connect the solar panel array to the controller's PV terminals (marked PV +/-). Ensure correct polarity.
3. Connect the DC Load (Optional): Connect the DC load to the controller's load terminals (marked LOAD +/-). Ensure correct polarity.
4. Connect the Temperature Sensor: Plug the temperature sensor into the designated port on the controller. This is crucial for accurate battery temperature compensation.
5. Communication Ports: The controller features an RS485 communication port for connecting optional accessories like the MT50 remote meter, PC software via RS485 to USB adapter, or 4G/Wi-Fi modules for remote monitoring.

4. Operating Instructions

4.1 LCD Display and Buttons

The controller features an LCD display for real-time system information and five buttons for navigation and settings:

• PV/+ (Up/Increase): Navigate up or increase values.
• BATT/- (Down/Decrease): Navigate down or decrease values.
• LOAD/+ (Load Control/Enter): Control load output or confirm selection.
• SET (Setting): Enter/exit setting mode.
• ESC (Escape): Exit current menu or cancel operation.

The LCD displays various parameters such as PV voltage, battery voltage, charging current, load current, and system status. Refer to the detailed manual for specific display screens and their meanings.

4.2 Parameter Settings

You can adjust various charging and load parameters to suit your specific battery type and system requirements. Settings can be modified directly on the controller's LCD screen, via the EPEVER mobile application (using built-in Bluetooth), or through PC software connected via RS485.

• Battery Type Selection: The controller supports multiple battery types, including Sealed, Flooded, GEL lead-acid batteries, and various Lithium-ion chemistries (LiFePO4, Li(NiCoMn)O2). Ensure the correct battery type is selected for optimal charging.
• Lithium Battery Activation: The controller includes a stable lithium battery self-activation function.
• Load Operating Modes: Configure different load operating modes (e.g., always on, dusk-to-dawn, timed) based on your application needs.
• Charging Power/Current Limit: The controller automatically limits charging power and current to prevent exceeding rated values, protecting the battery and system.

4.3 Communication

The XTRA4210N G3 BLE offers versatile communication options:

• Built-in Bluetooth: Connect to the EPEVER mobile application on Android or iOS devices for wireless monitoring and parameter adjustment.
• RS485 Port: Use this port to connect to an MT50 remote meter, a PC via an RS485 to USB adapter, or optional 4G/Wi-Fi communication modules for remote monitoring and control.

5. Maintenance

Regular maintenance ensures the longevity and optimal performance of your solar charge controller.

• Check Connections: Periodically inspect all wiring connections for tightness and corrosion. Loose connections can cause overheating and power loss.
• Cleanliness: Keep the controller clean and free from dust and debris. The IP33-rated protective casing offers dust and water resistance, but regular cleaning of the heat sink fins is recommended to ensure efficient cooling.
• Ventilation: Ensure that the area around the controller remains clear and well-ventilated to prevent overheating.
• Firmware Updates: Check the Epever website or app for any available firmware updates to ensure your controller has the latest features and bug fixes.

6. Troubleshooting

If you encounter issues with your solar charge controller, refer to the following common problems and solutions:

• No Display/No Power:
  • Check battery connections and ensure the battery voltage is within the controller's operating range.
  • Verify that the battery fuse (if installed) is not blown.
• Battery Not Charging:
  • Check PV panel connections and polarity.
  • Ensure there is sufficient sunlight on the solar panels.
  • Verify PV open-circuit voltage is within the controller's limits.
  • Check if the battery type setting is correct.
• Load Not Working:
  • Check load connections and polarity.
  • Verify the load operating mode settings.
  • Ensure the battery voltage is above the low voltage disconnect (LVD) threshold.
  • Check if the load is overloaded or short-circuited.
• Overheating:
  • Ensure adequate ventilation around the controller.
  • Reduce the load or PV input if operating in extreme temperatures. The controller automatically reduces charging power when temperature is too high.

For more complex issues, consult the full Epever user manual or contact customer support.

7. Specifications

The following table outlines the key electrical parameters and features of the Epever XTRA4210N G3 BLE MPPT Solar Charge Controller:

8. User Tips

• Lithium Battery Compatibility: This controller is suitable for 120 Ah lithium batteries, making it a good choice for applications like campervans or RVs. Ensure the correct lithium battery type is selected in the settings.
• Remote Monitoring: Utilize the built-in Bluetooth with the EPEVER app for convenient monitoring of your system's performance and adjusting settings from your smartphone.
• System Expansion: The RS485 port allows for integration with other Epever accessories like the MT50 remote display or PC software for more detailed control and data logging.

9. Frequently Asked Questions (FAQ)

Q: Is this controller suitable for a 120 Ah lithium battery mounted on a motorhome?

A: Yes, the Epever XTRA4210N G3 BLE supports lithium batteries, including those with a capacity of 120 Ah, making it suitable for motorhome applications. Ensure you select the correct lithium battery type in the controller's settings.

10. Warranty and Support

For warranty information, technical support, or service inquiries, please contact the seller or the manufacturer directly. Keep your purchase receipt as proof of purchase.