EPEVER MPPT 20A Solar Charge Controller Tracer2210AN-G3 User Manual

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your EPEVER MPPT 20A Solar Charge Controller, model Tracer2210AN-G3. This controller is designed for 12V/24V battery systems, featuring Maximum Power Point Tracking (MPPT) technology for efficient solar energy conversion.

Key Features:

• 20A charge/discharge current, 12V/24V DC battery system auto-identification.
• Max. PV input power: 260W for 12V battery, 520W for 24V battery. Max PV voltage of 100V.
• Common Negative ground design.
• Compatible with Lead-acid batteries (GEL/AGM, Sealed, Flooded) and Lithium batteries.
• Four load control modes: manual, light ON/OFF, light On+Timer, and test mode.
• Advanced MPPT technology with >99.5% tracking efficiency and 98% peak conversion efficiency.
• Backlight LCD display for monitoring.
• RS485 Communication port for optional modules (MT52, RTS, PC Cable, Bluetooth, Wifi).

Figure 1: EPEVER MPPT 20A Solar Charge Controller Tracer2210AN-G3. This image shows the front view of the solar charge controller with its LCD display and control buttons, along with icons illustrating its use in solar homes, power generators, cars, and boats.

2. Safety Instructions

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

• Ensure all wiring is correctly sized and properly insulated.
• Always connect the battery first, then the solar panel, and finally the load. Disconnect in reverse order.
• Do not use an electric screwdriver for terminal connections to avoid damage.
• Ensure proper ventilation around the controller to prevent overheating.
• The controller is designed for indoor use; avoid exposure to direct sunlight, high temperatures, and moisture.
• Only qualified personnel should perform installation and maintenance.

3. Product Overview

Components:

Figure 2: Labeled components of the Tracer2210AN-G3 controller. This image highlights the LCD display, mounting holes, Solar Panel Terminal, Remote Temp Sensor port, Battery Terminal, Load Terminal, and RJ45 Communication (COM) port.

LCD Display:

The LCD display provides real-time monitoring of system parameters. Use the SELECT and ENTER buttons to navigate and adjust settings.

Figure 3: Detailed view of the LCD display showing various parameters such as PV Input voltage/current, Charging current, Power generation, Load work mode, Battery voltage/current, Discharge capacity/current, and Temperature.

4. Installation and Wiring

Always Connect the Battery First!

Please read the complete installation instructions to familiarize yourself with the installation steps before proceeding.

Connecting Steps:

1. Battery Connection: Connect the battery to the controller. Ensure correct polarity (+ to + and - to -).
2. Solar Panel (PV array) Connection: Connect the solar panel to the controller. Ensure correct polarity.
3. Load Connection: Connect the DC load to the controller. Ensure correct polarity.

Disconnection Steps (Reverse Order):

1. Disconnect the Load.
2. Disconnect the Solar Panel (PV array).
3. Disconnect the Battery.

Figure 4: Connection Diagram. This diagram illustrates the proper wiring sequence for the solar panel, battery, DC load, and optional AC load via an inverter, all connected to the solar charge controller.

Installation Video:

5. Operation

Setting Battery Type:

The controller supports various battery types. To set the battery type:

1. Press the ENTER button and hold for 5 seconds under the battery voltage interface.
2. Press the SELECT button when the battery type interface is flashing to choose your battery type (e.g., GEL, Sealed, Flooded, User, LiFePO4, Li(NiCoMn)O2).
3. Press the ENTER button to confirm the battery type.

CAUTION: For 'User' battery type, refer to Chapter 3 of the full user manual for battery control voltage settings. Lithium battery parameters may require setting via a phone APP if the controller has a built-in Bluetooth module.

Figure 5: Compatible Battery Types. This image lists various lead-acid and lithium battery types supported by the controller, including Sealed, Gel, Flooded, LiFePO4, and Li(NiCoMn)O2.

Setting Load Working Mode:

To set the load working mode:

1. Press the ENTER button and hold for 5 seconds under the load mode interface.
2. Press the SELECT button when the load mode interface is flashing to choose the desired mode (e.g., Light ON/OFF, Test mode, Manual mode).
3. Press the ENTER button to confirm the load mode.

CAUTION: Light ON/OFF, Test mode, and Manual mode are set via Timer1. Timer2 will be disabled and display "2n".

6. Specifications

General Specifications:

• Brand: EPEVER
• Model: Tracer2210AN-G3
• Voltage: 12 Volts / 24 Volts Auto Work
• Material: Aluminum
• Display Type: LCD
• UPC: 791262788231

Model Comparison (Tracer-AN Series):

Battery Type Parameters:

Figure 6: Suitable Battery Types: Lead-Acid or Lithium. This table provides detailed voltage settings for various battery types including Sealed, Gel, Flooded, User-defined, LiFePO4 (LFP4S, LFP8S), and Li(NiCoMn)O2 (LCNM3S, LCNM6S, LCNM7S) for parameters like Over Voltage Disconnect, Charging Limit, Equalize Charging, Float Charging, and more.

7. Optional Accessories

Enhance the functionality of your EPEVER MPPT Solar Charge Controller with these optional accessories:

Figure 7: Optional Accessories. This image displays various optional accessories such as Remote Temperature Sensor (RTS), USB to RS485 cable, Remote Meter (MT50), WiFi Serial Adapter (eBox-WIFI-01), RS485 to Bluetooth Adapter (eBox-BLE-01), Logger (eLOG01), and PT Adapter (PT-ADP), along with their descriptions and uses.

• Remote Temperature Sensor (RTS300R47K3.81A): For accurate battery temperature compensation.
• USB to RS485 Cable (CC-USB-RS485-150U): Connects controller to PC for monitoring via Solar Station PC software.
• Remote Meter (MT50): External display for monitoring operating data and fault information.
• WiFi Serial Adapter (eBox-WIFI-01): Enables monitoring via mobile APP over WiFi.
• RS485 to Bluetooth Adapter (eBox-BLE-01): Enables monitoring via mobile APP over Bluetooth.
• Logger (eLOG01): Records operating data for analysis via PC software.
• PT Adapter (PT-ADP): Manages communication with multiple controllers.

8. Maintenance

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

• Check Connections: Periodically inspect all wiring connections for tightness and corrosion.
• Clean Controller: Keep the controller clean and free from dust. Use a dry cloth for cleaning.
• Inspect for Damage: Check for any physical damage to the casing, cables, or terminals.
• Monitor Performance: Regularly check the LCD display for normal operation and parameter readings.

9. Troubleshooting

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

• No Display: Check battery connections and ensure the battery voltage is within the operating range.
• No Charging: Verify solar panel connections and ensure sufficient sunlight. Check PV voltage on the display.
• Load Not Working: Check load connections and ensure the load control mode is correctly set. Verify battery voltage is above the low voltage disconnect setting.
• Overheating: Ensure adequate ventilation around the controller. Reduce load if necessary.
• Incorrect Battery Voltage Reading: Check battery connections and ensure the remote temperature sensor (if used) is properly connected.

For more complex issues, consult the detailed troubleshooting section in the complete user manual or contact EPEVER customer support.

10. Warranty and Support

EPEVER products come with a standard warranty. Please refer to the warranty card included with your product for specific terms and conditions. For technical support, product inquiries, or warranty claims, please contact EPEVER customer service through their official website or the retailer where you purchased the product.