1. Gabatarwa
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 voltagda 150V.

Hoto: Gaba view of the EPEVER MPPT Charge Controller Tracer3215BN.
2. Umarnin Tsaro
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).
- Kar a wuce matsakaicin ƙarfin shigarwar PVtage 150VDC.
- Connect the battery first before connecting solar panels or loads.
- The controller features multiple electronic protections, including:
- Kariyar gajeriyar kewayawa PV
- Farashin PVtage ƙararrawa kariya
- PV current limiting protection
- Kariyar juzu'i na PV
- Kariyar wucewar baturi
- Kariyar baturi akan fitarwa
- Kariyar juyar da baturi
- Kariyar lodi mai yawa
- Load gajeriyar kariyar kewaye
- Kariyar zafi fiye da kima
- 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. Kayan Samfura
The Tracer3215BN controller incorporates advanced features for optimal solar system performance:
- Fasaha ta MPPT mai zurfi: 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 Range: Adapts to various solar panel configurations.
- PV Current Limiting: Reliable automatic PV current limiting function.
- Zane Mai Dorewa: Die-cast aluminum housing for excellent heat dissipation and extended lifespan.
- Dacewar baturi: 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.
- Kulawa da Bayanai: Real-time energy statistics and data monitoring.
- Sadarwa: RS485 port with industrial standard MODBUS open architecture for communication with MT50, APP, or PC software.
- Sabunta Firmware: 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.
| Abu | Suna | Abu | Suna |
|---|---|---|---|
| 1 | Ruwan Zafi | 6 | Load Terminal |
| 2 | Alamar cajin LED | 7 | Saukewa: RS-485 |
| 3 | tashar jiragen ruwa RTS | 8 | Maɓalli |
| 4 | Solar Terminal | 9 | Batirin LED mai nuna alama |
| 5 | Tashar baturi |
Bayani:
- 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. Saita da Shigarwa
Follow these steps for proper installation of your Tracer3215BN controller:
- hawa: 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: Haɗa nauyin DC zuwa tashoshin lodin na mai sarrafawa. Tabbatar da daidaiton polarity.
- Girman Kebul: Use appropriate cable sizes. For the Tracer3215BN, a power cable size of 6AWG (16mm²) is recommended.
- Kasa: 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. Umarnin Aiki
Once installed, the controller operates automatically. However, you can configure settings and monitor performance:
- Zaɓin Nau'in Baturi: 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:
- Sarrafa Manual: Turn the load ON/OFF manually.
- Haske ON/KASHE: Load turns ON at dusk and OFF at dawn.
- Light On+Timer: Load turns ON at dusk and stays ON for a set duration.
- Ikon Lokaci: 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. Kulawa
Regular maintenance ensures the longevity and optimal performance of your charge controller:
- Duba Haɗin kai: Periodically check all wiring connections (PV, battery, load) for tightness and corrosion. Loose connections can cause overheating and damage.
- Mai Tsabtace Mai Kulawa: Keep the controller's exterior clean and free from dust and debris. Ensure the heat sink fins are clear for effective cooling.
- Samun iska: Verify that the installation area remains well-ventilated and free from obstructions that could impede airflow around the controller.
- Ayyukan Kulawa: Regularly check the controller's display or monitoring software for any error codes or unusual readings.
- Lafiyar Baturi: Ensure your battery bank is properly maintained according to the battery manufacturer's guidelines.
8. Shirya matsala
If you encounter issues with your Tracer3215BN controller, consider the following:
- Babu Caji:
- Check PV panel connections and ensure correct polarity.
- Tabbatar da ƙarfin shigar da PVtage is within the controller's operating range (Max 150VDC).
- Ensure sufficient sunlight on the solar panels.
- Loda Ba Ya Aiki:
- Check load connections and ensure correct polarity.
- Tabbatar da baturi voltage yana sama da ƙananan voltage disconnect threshold.
- Check the selected load working mode.
- Ensure the load current does not exceed the rated discharge current (30A).
- Mai Kula da Zafi Fiye da Kima:
- Tabbatar da isasshen iska a kusa da na'urar sarrafawa.
- Reduce the load or PV input if consistently operating at maximum capacity in high ambient temperatures.
- Lambobin Kuskure: 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. Bayanan fasaha
Key technical data for the Tracer3215BN MPPT Charge Controller:

Image: Detailed technical specifications table.
| Siga | Daraja |
|---|---|
| Tsarin Suna Voltage | 12VDC / 24VDC Auto work |
| Ƙididdigar Cajin Yanzu | 30 A |
| Fitar da Kima na Yanzu | 30 A |
| Max. Shigar da Rana Voltage | Saukewa: 150VDC |
| Matsakaicin Ƙarfin Shigar da PV (Batir 12V) | 390W |
| Matsakaicin Ƙarfin Shigar da PV (Batir 24V) | 780W |
| Self-consumption (12V) | ≤60mA |
| Self-consumption (24V) | ≤30mA |
| Girman Dutsen | 130mm x 204mm |
| Girman Ramin Hawa | Φ4.7 |
| Wutar Wuta | 6AWG (16mm²) |
| Girma | 281mm x 160mm x 60mm |
| Nauyi | 2.3kg |
| Yanayin Yanayin Aiki | -35 ℃ ~ +55 ℃ |
| Danshi mai Dangi | ≤95% (N.C.) |
| Yadi | IP30 |
| Kasa | Komai na gari |
| Tashar Sadarwa | RS485 / RJ45 Interface |
10. Garanti Bayani
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. Taimako
Should you require technical assistance, have questions regarding installation, operation, or troubleshooting, please contact:
- EPEVER Customer Service: Refer to the official EPEVER webshafin don cikakkun bayanai.
- 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.