Einführung
Thank you for choosing the Ferrex GT-BWC-01 Irrigation Computer. This device is designed to automate your garden watering, ensuring efficient and precise irrigation. It features adjustable watering intervals, a rain sensor, and is suitable for common tap connections. Please read this manual carefully before installation and operation to ensure proper use and longevity of the product.
Sicherheitshinweise
- Dieses Gerät ist nur für den Außenbereich bestimmt.
- Ensure the tap connection is secure to prevent leaks.
- Do not immerse the device in water. It is splash-proof (IPX4), but not waterproof.
- Use only the specified battery type (2 x 1.5V AA). Do not mix old and new batteries or different battery types.
- Außerhalb der Reichweite von Kindern aufbewahren.
- Versuchen Sie nicht, das Gerät selbst zu zerlegen oder zu reparieren. Wenden Sie sich zur Reparatur an qualifiziertes Fachpersonal.
- Protect the device from frost during winter months by disconnecting it from the tap and storing it indoors.
Packungsinhalt
Bitte überprüfen Sie, ob alle Artikel im Paket vorhanden sind:
- Ferrex GT-BWC-01 Irrigation Computer
- Rain Sensor with approximately 5m cable
- System adapter (1/2")
- Adapter with 26.5 mm (G3/4") thread
- Bedienungsanleitung
Produkteigenschaften
- Compatible with common taps with 33.3 mm (G1") thread. Includes adapters for 26.5 mm (G3/4") and 1/2" connections.
- Adjustable for up to 4 separate irrigation intervals per day.
- Freely selectable irrigation days.
- Manual water extraction function with a single button press.
- Splash-proof housing (IPX4) for outdoor durability.
- Adjustable irrigation time from approximately 1 to 240 minutes.
- Wired rain sensor (approx. 5m cable) to interrupt watering during rainfall.
- Betriebsvolumentage: 3V (2 x 1.5V AA batteries).
- Operating pressure: Maximum 6 bar.
Setup und Installation
1. Einlegen der Batterie
- Open the battery compartment on the back of the irrigation computer.
- Insert two 1.5V AA batteries, ensuring correct polarity (+/-).
- Close the battery compartment securely to maintain splash protection.
2. Anschluss an den Wasserhahn
- Ensure your tap has a G1" (33.3 mm) thread. If not, use the provided G3/4" (26.5 mm) or 1/2" adapter.
- Screw the irrigation computer firmly onto the tap. Hand-tighten only; do not overtighten.
- Connect your garden hose or irrigation system to the outlet of the irrigation computer.
3. Connecting the Rain Sensor
- Plug the rain sensor cable into the designated port on the side of the irrigation computer.
- Place the rain sensor in an open area where it can accurately detect rainfall, away from direct spray from sprinklers.
- The rain sensor will automatically interrupt watering cycles when sufficient rain is detected.

Image: The Ferrex GT-BWC-01 Irrigation Computer connected to a tap, with the rain sensor positioned nearby. The display shows various settings.
Bedienungsanleitung
The irrigation computer features an LCD display and several buttons for navigation and setting adjustments.
Anzeige überview (Refer to product image for visual reference)
- Uhrzeit (Time): Zeigt die aktuelle Uhrzeit an.
- Wochentag Bewässerungentag (Weekday Irrigation Day): Shows current day and selected irrigation days (SU MO TU WE TH FR SA).
- Zyklus (Cycle): Indicates the current watering cycle (1, 2, 3, 4).
- Startzeit (Start Time): Displays the programmed start time for a cycle.
- Zeitdauer (Duration): Shows the programmed watering duration in minutes.
- Sparfunktion (Special Function): Displays settings for water-saving features (e.g., WATER 4 MIN PAUSE 2 MIN).
- Programmwahl (Program Selection): Indicates the current program mode (e.g., AUTO).
Tastenfunktionen
- OK-Taste: Bestätigt die Auswahl und geht zur nächsten Einstellung über.
- Auf-/Ab-Tasten (+/-): Adjust values or navigate through options.
- Manual Watering Button (Tap icon): Startet oder beendet die manuelle Bewässerung.
Programming the Irrigation Computer
Follow these steps to program your desired watering schedule:
- Aktuelle Uhrzeit einstellen: Press the OK button until 'Uhrzeit' (Time) is highlighted. Use the +/- buttons to set the current hour and minute, then press OK to confirm.
- Set Current Day and Irrigation Days: Navigate to 'Wochentag Bewässerungentag'. Use +/- to select the current day. Then, select the days you wish to water. Press OK to confirm each selection.
- Select Watering Cycle: Go to 'Zyklus'. You can program up to 4 independent watering cycles (1, 2, 3, 4). Select a cycle to program.
- Startzeit einstellen: For the selected cycle, navigate to 'Startzeit'. Use +/- to set the desired start time for watering. Press OK.
- Bewässerungsdauer einstellen: Navigate to 'Zeitdauer'. Use +/- to set the watering duration from 1 to 240 minutes. Press OK.
- Configure Special Function (Sparfunktion): If available, adjust water-saving settings. For example, 'WATER 4 MIN PAUSE 2 MIN' might mean 4 minutes of watering followed by a 2-minute pause, repeated.
- Select Program Mode: Ensure 'Programmwahl' is set to 'AUTO' for automatic operation based on your programmed schedule.
Manuelle Bewässerung
To manually water, press the button with the tap icon. Press it again to stop manual watering. This function does not affect the programmed schedule.
Wartung
- Batteriewechsel: Replace batteries when the low battery indicator appears on the display or if the device stops functioning. Always replace both batteries simultaneously.
- Reinigung: Reinigen Sie das Äußere des Geräts mit adamp cloth. Do not use abrasive cleaners or solvents. Ensure the rain sensor is free of debris for accurate operation.
- Winterlager: Before the first frost, disconnect the irrigation computer from the tap, remove the batteries, and store the unit and rain sensor in a dry, frost-free location.
Fehlerbehebung
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Gerät lässt sich nicht einschalten. | Die Batterien sind leer oder falsch eingelegt. | Batterien austauschen und dabei auf die richtige Polarität achten. |
| Kein Wasserfluss. | Tap is closed; low water pressure; program not set; rain sensor active. | Open the tap fully; check water supply; ensure program is active (AUTO); check rain sensor for accumulated water. |
| Wasser tritt an der Verbindung aus. | Connection not tight enough; missing or damaged washer. | Ensure connection is hand-tight; check and replace washer if necessary. |
| Regensensor funktioniert nicht. | Sensor port dirty; sensor placed incorrectly; cable damaged. | Clean sensor and port; reposition sensor; check cable for damage. |
Technische Daten
- Modell: GT-BWC-01
- Betriebslautstärketage: 3 V (2 x 1.5 V AA batteries)
- Stromverbrauch: 300 mA
- Betriebsdruck: Max. 6 bar
- Tap Connection: G1" (33.3 mm) with G3/4" (26.5 mm) and 1/2" adapters
- Bewässerungszeit: Ca. 1 – 240 Minuten
- Bewässerungsintervalle: Bis zu 4 pro Tag
- Schutzklasse: IPX4 (spritzwassergeschützt)
- Rain Sensor Cable Length: Ca. 5 m
- Material: Plastik
- Anzeigetyp: LCD
- Abmessungen (Paket): 19.99 x 16 x 11 cm
- Gewicht (Paket): 712 g
Garantie und Support
This product comes with a standard manufacturer's warranty. For specific warranty details, please refer to the warranty card included in your package or contact your retailer. For technical support or inquiries, please contact Ferrex customer service through the contact information provided with your purchase documentation.





