EPEVER Tracer AN Series MPPT Solar Charge Controller User Manual

1. Introduction

The EPEVER Tracer AN series solar charge controller utilizes advanced Maximum Power Point Tracking (MPPT) technology to ensure maximum energy harvest from your solar panels. Designed with a common positive grounding and a robust algorithm, it efficiently tracks the optimal power point of the PV array under various conditions. This manual provides essential information for the safe and effective installation, operation, and maintenance of your Tracer AN series controller.

2. Safety Instructions

• Read all instructions in this manual before installation and operation.
• Ensure all wiring is correctly polarized and securely connected to prevent damage.
• Always connect the battery first, then the solar panel, and finally the load (if applicable). Disconnect in the reverse order.
• Do not disassemble or attempt to repair the controller. Contact qualified personnel for service.
• 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.

3. Product Overview

The Tracer AN series controller features a multi-function LCD display for intuitive system information and two control buttons: SELECT and ENTER. It supports various battery types and offers an RS485 port for communication with external devices like remote meters or PC software.

4. Setup

4.1 Mounting

Mount the controller vertically on a wall or other stable surface, ensuring adequate airflow around the heatsink for proper cooling. Avoid direct sunlight, high temperatures, and humid environments.

4.2 Wiring Sequence

Follow this wiring sequence carefully to prevent damage to the controller or other components:

1. Connect the Battery: Connect the battery to the controller's battery terminals. Ensure correct polarity (+ to + and - to -). The controller will power on.
2. Connect the Solar Panel: Connect the solar panel array to the controller's PV terminals. Ensure correct polarity.
3. Connect the Load (Optional): If your model supports a load output, connect the DC load to the controller's load terminals.

4.3 Optional Accessories Connection

The Tracer AN series supports various optional accessories for enhanced monitoring and control:

• Remote Meter (MT50): Connects via RS485 to set parameters and monitor system data remotely.
• Data Logger (eLOG01): Records real-time parameters via RS485 communication.
• Bluetooth Adapter (Box-BLE-01): Enables wireless communication with mobile apps for monitoring and control.
• WiFi Adapter (eBox-WIFI-01): Provides WiFi connectivity for remote monitoring and control.
• Remote Temperature Sensor (RTS300R47K3.81A): Improves battery charging accuracy by providing ambient temperature compensation.
• Communication Cable (CC-USB-RS485-150U): Connects the controller to a PC for software-based configuration and monitoring.
• OTG Cable (OTG-12CM): Connects the controller to a mobile APP for direct control.

5. Operating Instructions

5.1 LCD Display Navigation

The multi-function LCD displays real-time system status and parameters. Use the 'SELECT' and 'ENTER' buttons to navigate through menus and adjust settings:

• SELECT Button: Used to cycle through different display screens or menu options.
• ENTER Button: Used to confirm a selection, enter a menu, or modify a parameter.

5.2 Parameter Settings

The controller's parameters can be fully programmed via PC software or a remote meter (e.g., MT50). This allows customization of battery type, charge voltage settings, load control modes, and other system preferences. Refer to the specific accessory manual for detailed instructions on parameter configuration.

6. Maintenance

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

• Check Connections: Periodically inspect all wiring connections for tightness and corrosion. Loose connections can cause overheating and damage.
• Clean the Controller: Keep the controller clean and free from dust and debris. Use a dry cloth to wipe the casing. Ensure the heatsink fins are clear for efficient heat dissipation.
• Inspect for Damage: Look for any signs of physical damage, such as cracked casing, frayed wires, or discolored components.
• Monitor System Performance: Regularly check the LCD display or connected monitoring devices (MT50, PC software, mobile app) to ensure the system is operating within expected parameters.
• Battery Health: Ensure batteries are properly maintained according to their manufacturer's guidelines.

7. Troubleshooting

This section outlines common issues and potential solutions. For more complex problems, consult the manufacturer's support or a qualified technician.

• No Display/No Power:
  • Check battery connections and ensure they are secure and correctly polarized.
  • Verify battery voltage is within the controller's operating range.
• No Charging from PV:
  • Check solar panel connections and polarity.
  • Ensure there is sufficient sunlight and the PV array is producing voltage above the battery voltage.
  • Verify PV open circuit voltage is within the controller's maximum limit.
• Low Charging Current:
  • Check for shading on solar panels.
  • Ensure battery is not already fully charged.
  • Verify correct battery type settings in the controller.
• Load Not Working (if applicable):
  • Check load connections and polarity.
  • Verify load control settings (e.g., timer, manual on/off).
  • Ensure battery voltage is above the low voltage disconnect (LVD) threshold.

8. Specifications

The following table details the specifications for various Tracer AN series models:

9. User Tips

• For optimal performance, ensure your solar panel array voltage is significantly higher than your battery voltage, especially for 48V systems, to allow the MPPT algorithm to work effectively.
• Consider using a remote meter (MT50) or PC software for easier monitoring and precise parameter adjustments, as the built-in LCD can be limited for complex configurations.
• If experiencing inconsistent charging, double-check all cable gauges and lengths to minimize voltage drop, particularly for longer runs.
• Regularly check the battery's state of charge and health. A failing battery can negatively impact the entire solar system's performance.

10. Warranty and Support

For warranty information, please refer to the documentation provided with your purchase or contact your authorized EPEVER dealer. For technical support or inquiries, please reach out to the seller or manufacturer's customer service channels.