1. Sarrera
The EPEVER Tracer-BN Series MPPT solar charge controller is designed for solar power systems, featuring advanced Maximum Power Point Tracking (MPPT) technology. This manual provides essential instructions for the Tracer3215BN model, ensuring efficient and safe operation of your solar charging system. It is suitable for 12V/24V battery systems and supports a maximum PV input voltag150V-eko e.

Irudia: Aurrealdea view of the EPEVER MPPT Charge Controller Tracer3215BN.
2. Segurtasun-argibideak
Observe the following safety guidelines during installation and operation to prevent damage to the controller or injury:
- Ensure proper wiring polarity for all connections (PV, battery, load).
- Do not exceed the maximum PV input voltage 150VDC-koa.
- Connect the battery first before connecting solar panels or loads.
- The controller features multiple electronic protections, including:
- PV zirkuitu laburren babesa
- PV gainboltage alarma babesa
- PV current limiting protection
- PV alderantzizko polaritate babesa
- Bateriaren gainkargaren aurkako babesa
- Bateria deskarga gainditzeko babesa
- Bateriaren alderantzizko polaritatearen babesa
- Karga gainkarga babestea
- Karga zirkuitu laburren babesa
- Gainberotzearen babesa
- Install the controller in a well-ventilated area to ensure adequate heat dissipation.
- Avoid exposing the controller to direct sunlight, moisture, or corrosive environments.
3. Produktuaren ezaugarriak
The Tracer3215BN controller incorporates advanced features for optimal solar system performance:
- Advanced MPPT Technology: High tracking efficiency (≥ 99.5%) and peak conversion efficiency (98%).
- Fast Tracking: Ultra-fast tracking speed and accurate Maximum Power Point (MPP) recognition.
- Wide MPP Operating Voltage Barrutia: Adapts to various solar panel configurations.
- PV Current Limiting: Reliable automatic PV current limiting function.
- Diseinu iraunkorra: Die-cast aluminum housing for excellent heat dissipation and extended lifespan.
- Bateriaren bateragarritasuna: Supports Sealed, Gel, Flooded, and User-defined battery types. Includes battery temperature compensation.
- Flexible Load Control: Multiple load working modes: Manual Control, Light ON/OFF, Light On+Timer, and Time Control.
- Datuen jarraipena: Real-time energy statistics and data monitoring.
- Komunikazioa: RS485 port with industrial standard MODBUS open architecture for communication with MT50, APP, or PC software.
- Firmware berritzea: Supports firmware upgrades for future enhancements.

Image: Visual summary of the Tracer-BN series features.
4. Components and Ports Identification
Familiarize yourself with the controller's external components and connection ports:

Image: Labeled diagram of the controller's external features.
| Elementua | Izena | Elementua | Izena |
|---|---|---|---|
| 1 | Bero-Hondagailua | 6 | Kargatu terminala |
| 2 | Kargatzen LED adierazlea | 7 | RS-485 ataka |
| 3 | RTS portua | 8 | Botoia |
| 4 | Eguzki Terminala | 9 | Bateriaren LED adierazlea |
| 5 | Bateria terminala |
Azalpena:
- RTS Port (3): Connection for a Remote Temperature Sensor to remotely detect battery temperature.
- RS-485 Port (7): Used to monitor the controller via PC and update controller software using an RS485 (RJ45 Interface) connection.
5. Konfigurazioa eta instalazioa
Follow these steps for proper installation of your Tracer3215BN controller:
- Muntaketa: Mount the controller vertically on a flat surface in a well-ventilated indoor area, away from direct sunlight, high temperatures, and moisture. Ensure sufficient space around the heat sink for air circulation. The mounting dimensions are 130mm x 204mm with Φ4.7 mounting holes.
- Wiring Order: Connect the system components in the following sequence to ensure safety and proper operation:
- Step 1: Connect the Battery: Connect the battery to the controller's battery terminals. Ensure correct polarity. The controller will detect the system voltage (12V/24V auto work).
- Step 2: Connect the Solar Panel: Connect the solar panel array to the controller's solar terminals. Ensure correct polarity.
- Step 3: Connect the Load: Connect the DC load to the controller's load terminals. Ensure correct polarity.
- Kablearen tamaina: Use appropriate cable sizes. For the Tracer3215BN, a power cable size of 6AWG (16mm²) is recommended.
- Lurreratzea: The controller features common negative grounding. Ensure proper grounding according to local electrical codes.

Image: Wiring diagram illustrating connections for battery, solar panel, and DC load.

Image: Controller dimensions for mounting reference.
6. Funtzionamendu-argibideak
Once installed, the controller operates automatically. However, you can configure settings and monitor performance:
- Bateria mota hautatzea: The controller supports Sealed, Gel, Flooded, and User-defined battery types. Select the appropriate type through the controller's interface (if available) or via external monitoring tools (MT50, APP, PC software) to ensure correct charging parameters.
- Load Working Modes: Configure the DC load output behavior using the available modes:
- Eskuzko kontrola: Turn the load ON/OFF manually.
- Argia piztu/itzali: Load turns ON at dusk and OFF at dawn.
- Light On+Timer: Load turns ON at dusk and stays ON for a set duration.
- Denbora kontrola: Load operates during specified time periods.
- Monitorizazioa eta konfigurazioa: Use the optional MT50 remote meter, mobile application, or PC software connected via the RS485 port to monitor real-time data, view energy statistics, and adjust parameters.
7. Mantentzea
Regular maintenance ensures the longevity and optimal performance of your charge controller:
- Ikuskatu konexioak: Periodically check all wiring connections (PV, battery, load) for tightness and corrosion. Loose connections can cause overheating and damage.
- Kontrolatzaile garbia: Keep the controller's exterior clean and free from dust and debris. Ensure the heat sink fins are clear for effective cooling.
- Aireztapena: Verify that the installation area remains well-ventilated and free from obstructions that could impede airflow around the controller.
- Monitorearen errendimendua: Regularly check the controller's display or monitoring software for any error codes or unusual readings.
- Bateria osasuna: Ensure your battery bank is properly maintained according to the battery manufacturer's guidelines.
8. Arazoak
If you encounter issues with your Tracer3215BN controller, consider the following:
- Kargarik ez:
- Check PV panel connections and ensure correct polarity.
- Egiaztatu PV sarrerako bolumenatage is within the controller's operating range (Max 150VDC).
- Ensure sufficient sunlight on the solar panels.
- Karga ez dabil:
- Check load connections and ensure correct polarity.
- Egiaztatu bateria bolumenatage bolumen baxuaren gainetik dagotage deskonektatzeko atalasea.
- Check the selected load working mode.
- Ensure the load current does not exceed the rated discharge current (30A).
- Kontrolagailuaren gehiegizko berotzea:
- Ensure adequate ventilation around the controller.
- Reduce the load or PV input if consistently operating at maximum capacity in high ambient temperatures.
- Errore-kodeak: Refer to the controller's display or monitoring software for specific error codes and consult the EPEVER official documentation for their meaning and resolution.
9. Zehaztapen Teknikoak
Key technical data for the Tracer3215BN MPPT Charge Controller:

Irudia: Zehaztapen teknikoen taula zehatza.
| Parametroa | Balioa |
|---|---|
| Sistema Nominala Voltage | 12VDC / 24VDC Auto work |
| Karga-korronte nominala | 30A |
| Deskarga-korronte nominatua | 30A |
| Max. Eguzki Sarrera Voltage | 150VDC |
| Max. PV Input Power (12V Battery) | 390W |
| Max. PV Input Power (24V Battery) | 780W |
| Self-consumption (12V) | ≤60mA |
| Self-consumption (24V) | ≤30mA |
| Muntatze Dimentsioa | 130 mm x 204 mm |
| Muntatzeko zuloaren tamaina | Φ4.7 |
| Elikatze-kablea | 6AWG (16 mm²) |
| Dimentsioa | 281 mm x 160 mm x 60 mm |
| Pisua | 2.3kg |
| Lan-ingurunearen tenperatura | -35 ℃ ~ + 55 ℃ |
| Hezetasun erlatiboa | ≤95% (N.C.) |
| Itxitura | IP30 |
| Lurreratzea | Ezezko arrunta |
| Komunikazio Portua | RS485 / RJ45 Interface |
10. Bermearen informazioa
For detailed warranty terms and conditions, please refer to the product packaging, the official EPEVER website, or contact your authorized dealer. Warranty coverage typically includes defects in materials and workmanship under normal use.
11. Laguntza
Should you require technical assistance, have questions regarding installation, operation, or troubleshooting, please contact:
- EPEVER Customer Service: Refer to the official EPEVER webharremanetarako datuak lortzeko gunea.
- Authorized Sales Agent: GolandCentury (as mentioned in product information).
When contacting support, please have your product model (Tracer3215BN) and any relevant error codes or observations ready.





