1. Uvod
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 voltage od 150V.

Slika: Front view of the EPEVER MPPT Charge Controller Tracer3215BN.
2. Sigurnosna uputstva
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).
- Ne prekoračujte maksimalnu ulaznu PV snagu.tage od 150VDC.
- Connect the battery first before connecting solar panels or loads.
- The controller features multiple electronic protections, including:
- PV zaštita od kratkog spoja
- PV overvoltage alarmna zaštita
- PV current limiting protection
- PV zaštita od obrnutog polariteta
- Zaštita od prekomjernog punjenja baterije
- Zaštita baterije od prekomjernog pražnjenja
- Zaštita od obrnutog polariteta baterije
- Zaštita od preopterećenja
- Zaštita od kratkog spoja opterećenja
- Zaštita od pregrijavanja
- 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. Značajke proizvoda
The Tracer3215BN controller incorporates advanced features for optimal solar system performance:
- Napredna MPPT tehnologija: High tracking efficiency (≥ 99.5%) and peak conversion efficiency (98%).
- Fast Tracking: Ultra-fast tracking speed and accurate Maximum Power Point (MPP) recognition.
- Široki MPP operativni volumentage Raspon: Adapts to various solar panel configurations.
- PV Current Limiting: Reliable automatic PV current limiting function.
- Izdržljiv dizajn: Die-cast aluminum housing for excellent heat dissipation and extended lifespan.
- Kompatibilnost baterija: Supports Sealed, Gel, Flooded, and User-defined battery types. Includes battery temperature compensation.
- Flexible Load Control: Višestruki načini rada s opterećenjem: Ručna kontrola, UKLJUČENO/ISKLJUČENO svjetlo, UKLJUČENO svjetlo + tajmer i Vremenska kontrola.
- Nadgledanje podataka: Real-time energy statistics and data monitoring.
- Komunikacija: RS485 port with industrial standard MODBUS open architecture for communication with MT50, APP, or PC software.
- Nadogradnja firmvera: 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.
| Stavka | Ime | Stavka | Ime |
|---|---|---|---|
| 1 | Heat Sink | 6 | Učitavanje terminala |
| 2 | LED indikator punjenja | 7 | RS-485 port |
| 3 | RTS Port | 8 | Dugme |
| 4 | Solarni terminal | 9 | LED indikator baterije |
| 5 | Terminal baterije |
Objašnjenje:
- 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. Postavljanje i instalacija
Follow these steps for proper installation of your Tracer3215BN controller:
- Montaža: 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.
- Redoslijed ožičenja: 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: Spojite DC opterećenje na terminale opterećenja kontrolera. Osigurajte ispravan polaritet.
- Dimenzija kabla: Use appropriate cable sizes. For the Tracer3215BN, a power cable size of 6AWG (16mm²) is recommended.
- uzemljenje: 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. Uputstvo za upotrebu
Once installed, the controller operates automatically. However, you can configure settings and monitor performance:
- Izbor tipa baterije: 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:
- ručna kontrola: Turn the load ON/OFF manually.
- Svjetlo UKLJUČENO/ISKLJUČENO: Opterećenje se uključuje u sumrak, a isključuje u zoru.
- Uključivanje svjetla + tajmer: Load turns ON at dusk and stays ON for a set duration.
- Kontrola vremena: Load operates during specified time periods.
- Monitoring and Configuration: 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. Održavanje
Redovno održavanje osigurava dugotrajnost i optimalne performanse vašeg kontrolera punjenja:
- Pregledajte veze: Povremeno provjeravajte sve spojeve ožičenja (PV, baterija, opterećenje) na čvrstoću i koroziju. Labavi spojevi mogu uzrokovati pregrijavanje i oštećenje.
- Čisti kontroler: Keep the controller's exterior clean and free from dust and debris. Ensure the heat sink fins are clear for effective cooling.
- ventilacija: Verify that the installation area remains well-ventilated and free from obstructions that could impede airflow around the controller.
- Performanse monitora: Regularly check the controller's display or monitoring software for any error codes or unusual readings.
- Zdravlje baterije: Ensure your battery bank is properly maintained according to the battery manufacturer's guidelines.
8. Otkrivanje problema
If you encounter issues with your Tracer3215BN controller, consider the following:
- Bez punjenja:
- Check PV panel connections and ensure correct polarity.
- Provjerite ulazni volumen PV-atage is within the controller's operating range (Max 150VDC).
- Ensure sufficient sunlight on the solar panels.
- Učitavanje ne radi:
- Check load connections and ensure correct polarity.
- Provjerite zapreminu baterijetage je iznad niske zapreminetagprag isključenja.
- Check the selected load working mode.
- Ensure the load current does not exceed the rated discharge current (30A).
- Pregrijavanje kontrolera:
- Osigurajte odgovarajuću ventilaciju oko kontrolera.
- Reduce the load or PV input if consistently operating at maximum capacity in high ambient temperatures.
- Kodovi grešaka: 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. Tehničke specifikacije
Key technical data for the Tracer3215BN MPPT Charge Controller:

Image: Detailed technical specifications table.
| Parametar | Vrijednost |
|---|---|
| Nominalni sistem Voltage | 12VDC / 24VDC Auto work |
| Nazivna struja punjenja | 30A |
| Nazivna struja pražnjenja | 30A |
| Max. Solarni ulaz Voltage | 150VDC |
| Maks. ulazna snaga PV sistema (12V baterija) | 390W |
| Maks. ulazna snaga PV sistema (24V baterija) | 780W |
| Self-consumption (12V) | ≤60mA |
| Self-consumption (24V) | ≤30mA |
| Montažna dimenzija | 130mm x 204mm |
| Veličina rupe za montažu | Φ4.7 |
| Power Cable | 6AWG (16mm²) |
| Dimenzija | 281 mm x 160 mm x 60 mm |
| Težina | 2.3kg |
| Temperatura radnog okruženja | -35℃ ~ +55℃ |
| Relativna vlažnost | ≤95% (NC) |
| Enclosure | IP30 |
| Uzemljenje | Common Negative |
| Komunikacioni port | RS485 / RJ45 Interface |
10. Informacije o garanciji
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. Podrška
Should you require technical assistance, have questions regarding installation, operation, or troubleshooting, please contact:
- EPEVER Customer Service: Refer to the official EPEVER webweb mjesto za kontakt detalje.
- Ovlašteni prodajni agent: GolandCentury (as mentioned in product information).
When contacting support, please have your product model (Tracer3215BN) and any relevant error codes or observations ready.