1. Einleitung
This manual provides essential information for the safe and efficient operation of your Xantrex C12 Solar Charge Controller. The C12 is a sophisticated 12-amp controller designed for charge, lighting, or load management in solar power systems. It features three-stage charging, user-definable voltage parameters, and automatic equalization to optimize battery performance and longevity. Please read this manual thoroughly before installation and use.
2. Sicherheitshinweise
Always observe the following safety precautions to prevent personal injury and damage to the controller or other equipment.
- Stellen Sie sicher, dass alle Kabel die richtige Dimensionierung haben und ordnungsgemäß isoliert sind.
- Always disconnect power from the solar array and battery before installing or servicing the controller.
- Install the controller in a dry, well-ventilated area, away from flammable materials.
- Do not attempt to open or repair the controller. Refer all servicing to qualified personnel.
- Wear appropriate personal protective equipment, including eye protection, when working with batteries.
3. Packungsinhalt
Überprüfen Sie, ob alle Artikel im Paket vorhanden sind:
- Xantrex C12 Solar Charge Controller (1 unit)
- Bedienungsanleitung (dieses Dokument)
4. Einrichtung und Installation
The Xantrex C12 controller is designed for quick and easy setup. Follow these general steps for installation:
- Montage: Choose a suitable location for mounting the controller. It should be close to the battery, in a cool, dry, and well-ventilated area, protected from direct sunlight and moisture.
- Batterieanschluss: Connect the battery to the controller's battery terminals first. Ensure correct polarity (positive to positive, negative to negative). This step is crucial for the controller to sense battery voltage.
- Anschluss des Solarmoduls: Connect the solar panel array to the controller's solar input terminals. Again, observe correct polarity.
- Lastanschluss (optional): If using the controller for load management, connect your DC loads to the designated load terminals. Ensure the total current draw of the loads does not exceed the controller's rated ampära.
- Überprüfung: Vor dem Einschalten alle Verbindungen auf festen Sitz und korrekte Polarität prüfen.
Wichtig: Always connect the battery first and disconnect it last. Failure to do so may damage the controller.
5. Bedienungsanleitung
The Xantrex C12 controller automatically manages the charging process and load distribution.
- Drei-Stage Aufladen: Der Controller verwendet einen Drei-S-Schaltkreis.tage charging algorithm (bulk, absorption, float) to efficiently charge your battery and prolong its lifespan.
- User-Definable Voltage Parameter: The C12 allows for customization of voltage setpoints to match specific battery types and requirements. Refer to the display indicators section for details on HVD (High Voltage Disconnect) and UVD (Low Voltage Disconnect) settings.
- Automatic Equalization: The controller can perform automatic equalization cycles, which are crucial for maintaining the health of flooded lead-acid batteries. The "EQUALIZE ACTIVATED" indicator will illuminate during this process.
- Lastkontrolle: When configured for load control, the controller will disconnect the load if the battery voltage fällt unter die Low Voltage Disconnect (LVD) threshold to protect the battery from deep discharge.
6. Anzeigeanzeigen
The front panel of the Xantrex C12 features an intuitive LED display to indicate battery status and operational modes.

Abbildung 1: Vorderseite view of the Xantrex C12 Solar Charge Controller, showing the LED indicator panel.
The LED panel provides visual feedback on the system's status:
- BATTERY FULL (Solid Green LEDs): Indicates the battery is fully charged or near full. The specific voltage thresholds for High Voltage Disconnect (HVD) are displayed on the panel (e.g., HVD - 0.25V, HVD - 0.50V, HVD - 0.75V, ABOVE 12.8V).
- BATTERY EMPTY (Solid Red LEDs): Indicates the battery is discharged or near empty. The specific voltage thresholds for Low Voltage Disconnect (UVD) are displayed (e.g., BELOW 12.8V, UVD - 0.50V, UVD - 0.75V, UVD - 1.0V).
- NIEDRIGE VOLTAGE DISCONNECT (Orange/Red LEDs): Leuchtet, wenn die Batterieladungtage drops below a critical level, and the load has been disconnected to protect the battery.
- OVERLOAD (Orange/Red LEDs): Indicates that the connected load is drawing excessive current, potentially causing the controller to shut down the load output.
- EQUALIZE ACTIVATED (Green LED): Lights up when the automatic battery equalization cycle is active.
- START/STOP EQ (Button): A push-button located at the bottom of the panel to manually initiate or stop an equalization cycle.
7. Wartung
The Xantrex C12 Solar Charge Controller requires minimal maintenance.
- Regelmäßige Inspektion: Überprüfen Sie regelmäßig alle Kabelverbindungen auf festen Sitz und Korrosion.
- Reinigung: Keep the controller's exterior clean and free of dust. Use a dry cloth; do not use liquid cleaners.
- Belüftung: Um eine Überhitzung zu vermeiden, ist darauf zu achten, dass die Lüftungsöffnungen nicht verstopft sind.
8. Fehlerbehebung
If you encounter issues with your Xantrex C12 controller, refer to the following common problems and solutions:
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Kein Display/Keine Stromversorgung | Loose battery connection, reversed polarity, blown fuse (external) | Check battery connections and polarity. Inspect external fuses. |
| Akku wird nicht geladen | No solar input, reversed solar polarity, faulty solar panel, battery already full | Check solar panel connections and polarity. Verify solar panel output. Monitor battery status. |
| Load disconnected (Low Voltage Disconnect LED on) | Akku voltage zu niedrig | Allow battery to charge. Reduce load. |
| Overload LED on | Excessive current draw from load | Reduce the connected load. Check for short circuits in the load wiring. |
If the problem persists after attempting these solutions, contact Xantrex customer support.
9. Spezifikationen
| Besonderheit | Detail |
|---|---|
| Marke | Xantrex |
| Modell | C12 |
| AmpAlter | 12 Amps |
| Bandtage | 12 Volt |
| Anzeigetyp | LCD (LED indicators on front panel) |
| Artikelgewicht | 1.35 Pfund (0.61 kg) |
| Verpackungsabmessungen | 6.7 x 4.8 x 1.8 Zoll (17 x 12.2 x 4.6 cm) |
| Material | Metall, Kunststoff |
| UPC | 687873000520 |
10. Garantie und Support
For detailed warranty information, please refer to the warranty card included with your product or visit the official Xantrex webWebsite.
If you require technical assistance or have questions not covered in this manual, please contact Xantrex customer support through their official webWebsite oder dafür vorgesehene Supportkanäle.





