1. Introduktion og overview
The EPEVER Tracer3210AN is a 30A Maximum Power Point Tracking (MPPT) solar charge controller designed for 12V/24V automatic system voltage detection. It features a maximum PV input voltage of 100V and negative grounding. This controller is equipped with an MT50 remote meter, a temperature sensor (RTS), and an RS485 PC communication cable for comprehensive monitoring and control.
This manual provides detailed instructions for the safe and efficient installation, operation, and maintenance of your Tracer3210AN solar charge controller.
2. Produktfunktioner
- Avanceret MPPT-teknologi: Ensures high tracking efficiency (over 99.5%) for optimal solar energy harvesting.
- Automatisk systemvolumentage: Automatically detects 12V or 24V battery systems.
- High PV Input: Supports maximum PV input voltage op til 100V.
- Negative Grounding: Common negative grounding design for system compatibility.
- Alsidig batterikompatibilitet: Supports Sealed, Gel, Flooded, Lithium, and user-defined battery types.
- Built-in LCD Display: Provides real-time display of key charging parameters.
- Flere kommunikationsmuligheder: Includes RS-485 interface for PC software, mobile app connectivity (via optional accessories), and MT50 remote meter.
- USB-udgang: Dual USB ports (5V Max: 2.2A) for charging external devices.
- Current Limiting Function: Allows for future expansion of solar panels without overloading.
- Robust design: Features aluminum alloy material for efficient heat dissipation.
3. Komponenter overview
The EPEVER Tracer3210AN kit includes the following components:
- Tracer3210AN MPPT Solar Charge Controller
- MT50 fjernbetjeningsmåler
- Fjerntemperatursensor (RTS)
- PC Communication Cable (RS485 to USB)
- Monteringsskruer og vægdyvler
- Brugermanual


4. Opsætning og installation
Proper installation is crucial for the safe and efficient operation of your solar charge controller. Please follow these steps carefully.
4.1 Ledningsinstruktioner
Connection Order: Always connect the battery first, then the solar panel, and finally the load.
Disconnection Order: Disconnect the solar panel first, then the load, and finally the battery.
- Connect the battery to the controller's battery terminals (BAT+ and BAT-).
- Connect the solar panel to the controller's PV terminals (PV+ and PV-).
- Connect the load to the controller's load terminals (LOAD+ and LOAD-).
- Connect the Remote Temperature Sensor (RTS) to the designated RTS port.
- Connect the MT50 Remote Meter or PC Communication Cable to the RS485 port as needed.


4.2 Module Installation (if applicable)
The Tracer3210AN controller supports various interface modules for enhanced functionality. To change or install modules:
- Pry the cover of the controller off using a screwdriver.
- Insert the desired module (e.g., Display Standard 2 Modules (DS2), USB COM Slave (UCS)) into the designated slot.
- Sæt dækslet på igen.
5. Betjeningsvejledning
5.1 LCD-display og knapfunktioner
The controller features an LCD display and buttons for monitoring and setting parameters.
- PV Browsing Interface: Tryk på knappen for at view PV data. Hold for 5 seconds to set data.
- BATT Browsing Interface: Tryk på knappen for at view battery data. Hold for 5 seconds to set battery type, capacity, and temperature.
- Load Browsing Interface: Tryk på knappen for at view load data. Hold for 5 seconds to set load working mode.
- Indstilling af grænseflade: Press the button to enter settings. Hold for 5 seconds to set parameters.
5.2 Indstilling af batteritype
To ensure proper charging, set the correct battery type:
- Tryk på SÆT button for the setting interface.
- Tryk på BATT button and hold for 5 seconds to enter the battery type interface.
- Tryk på PV + or LÆS- buttons to choose the battery type (e.g., Sealed, GEL, FLD, LiFePO4, Li(NiCoMn)O2, USE).
- Tryk på SÆT knappen for at bekræfte batteritypen.
FORSIGTIGHED: Når standardbatteritypen er valgt, vil batterivolumentage control parameters will be set by default and cannot be changed. To change these parameters, select "User" battery type.
5.3 Setting Load Working Mode
The controller offers various load working modes:
- Manual Control Mode (default): Press the button to open/close the load.
- Lys ON/OFF: Load turns on/off based on light conditions.
- Light ON + Timer: Load turns on based on light and stays on for a set duration.
- Tidskontrol: Load operates according to a programmed schedule.
Refer to the MT50 remote meter or PC software for detailed configuration of load working modes.
6. Vedligeholdelse
To ensure optimal performance and longevity of your EPEVER Tracer3210AN solar charge controller, regular maintenance is recommended:
- Undersøg forbindelser: Kontrollér regelmæssigt alle ledningsforbindelser for tæthed og korrosion. Løse forbindelser kan forårsage overophedning og skader.
- Rengør controller: Keep the controller clean and free from dust and debris. Ensure the heat sink fins are not obstructed to maintain proper cooling.
- Overvåg ydeevne: Regularly check the LCD display or connected remote meter/app for normal operating parameters (PV voltage, batteri voltage, charging current).
- Batteriinspektion: Inspect battery terminals for corrosion and ensure the battery is in good condition. For flooded batteries, check electrolyte levels.
- Miljøtjek: Ensure the installation environment is within the specified temperature and humidity ranges.
7. Fejlfinding
If you encounter issues with your Tracer3210AN controller, consider the following common troubleshooting steps:
- Ingen skærm/strøm: Check battery connections and ensure the battery voltage is within the operating range. Verify fuses are intact.
- Ingen opladning: Confirm solar panel connections are secure and receiving adequate sunlight. Check PV voltage on the display. Ensure the battery type is correctly set.
- Indlæsning virker ikke: Verify load connections. Check the load working mode settings. Ensure the battery has sufficient charge.
- Fejlkoder: Refer to the full user manual for specific error codes displayed on the LCD or MT50 remote meter.
For persistent issues, contact EPEVER customer support or consult a qualified technician.
8. Tekniske specifikationer
Below are the detailed specifications for the Tracer3210AN model:
| Punkt | Tracer 3210AN |
|---|---|
| System nominel voltage | 12 / 24VDC Auto |
| Nominel ladestrøm | 30A |
| Nominel afladningsstrøm | 30A |
| Batteri voltage rækkevidde | 8~32V |
| Maks. PV åbent kredsløb voltage | 100V |
| MPP voltage rækkevidde | (Batteri voltage +2V)~72V |
| Maks. PV indgangseffekt | 390W/12V, 780W/24V |
| Eget forbrug | ≤12mA |
| Afladningskreds voltage drop | ≤0.23V |
| Temperaturkompenseringskoefficient | -3mV/°C/2V (standard) |
| Jordforbindelse | Fælles negativ |
| RS485 interface | 5VDC / 100mA |
| LCD-baggrundsbelysningstid | 60S (standard) |
| Opbevaringstemperaturområde | -20℃ ~ +70℃ |
| Relativ luftfugtighed | ≤95 %, NC |
| Indhegning | IP30 |
| Monteringshul størrelse | Φ5 mm |
Note: When a lead-acid battery is used, the controller has no low temperature protection. Max PV open circuit voltage is at minimum operating environment temperature. At 25℃ environment temperature. When a lithium-ion battery is used, the system voltage kan ikke identificeres automatisk.

9. Tilslutningsmuligheder
The Tracer3210AN controller offers various connectivity options for monitoring and control:
- MT50 Remote Meter: Displays operating data and fault information. Easy to operate with a numeric display.
- PC-software: Connect via USB to RS485 cable (CC-USB-RS485-150U) for monitoring and parameter modification using Solar Station PC software.
- Mobil app: Connect via OTG cable (OTG-12CM) or optional WiFi/Bluetooth adapters (eBox-WiFi-01, eBox-BLE-01) for real-time monitoring and parameter modification via mobile app.
- Logger: eLOG01 logger can record operating data of the controller for later review.
10. Garanti og support
For warranty information, technical support, or service inquiries, please refer to the warranty card included in your product packaging or visit the official EPEVER website. Ensure you have your product model and serial number available when contacting support.
For additional resources and FAQs, you may visit the EPEVER Store on Amazon.





