1. Introducción
Thank you for choosing the SCS Sentinel WaterProg Outdoor Irrigation Timer. This device is designed to automate your garden or lawn watering, ensuring efficient water usage and healthy plant growth. Please read this manual carefully before installation and operation to ensure proper use and to maximize the lifespan of your product.
2. Precauciones de seguridad
- This device is designed for outdoor use with cold water only. Do not use with hot water or other liquids.
- Asegúrese de que todas las conexiones estén bien ajustadas para evitar fugas y daños por agua.
- Do not immerse the timer in water. While weather-resistant (IP55 rated), it is not submersible.
- Mantener fuera del alcance de los niños.
- Replace batteries with new ones of the correct type (2 x AA 1.5V) when indicated by the low battery icon. Do not mix old and new batteries or different battery types.
- Deseche las baterías usadas de manera responsable de acuerdo con las regulaciones locales.
3. Producto terminadoview
The SCS Sentinel WaterProg is a compact, automatic irrigation timer designed for easy installation and efficient water management. Its robust, weather-resistant casing makes it ideal for various outdoor environments.

Figura 1: Frente view of the SCS Sentinel WaterProg timer, showing the digital display, rotary dial, and control buttons.
Características principales:
- Diseño compacto: Dimensions of 122x64.9x118 mm for easy installation on faucets or hoses.
- Uso en exteriores: IP55 rated, weather-resistant casing for durable performance.
- Sólo agua fría: Specifically designed for traditional cold water irrigation systems.
- Programación automática: Customizable watering cycles to minimize water waste and ensure optimal plant health.
- Fácil instalación: Tool-free setup directly onto a faucet.
4. Contenido del paquete
Al desembalar, asegúrese de que todos los artículos estén presentes y sin daños:
- 1 x SCS Sentinel WaterProg Irrigation Timer (Model HCN0087)
- 1 x Manual de usuario (este documento)
- Additional connectors/seals (if included, refer to packaging)

Figura 2: The SCS Sentinel WaterProg timer shown in its retail box, indicating typical package contents.
5. Configuración
5.1 Instalación de la batería
The WaterProg timer requires two (2) AA 1.5V batteries (not included).
- Localice la tapa del compartimiento de la batería en la parte posterior del temporizador.
- Deslice o desenrosque la tapa para abrirla.
- Insert two new AA 1.5V alkaline batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Cierre bien la tapa del compartimento de la batería.

Figura 3: Trasero view of the timer, highlighting the battery compartment and product specifications.
5.2 Conexión del temporizador
The timer is designed for tool-free installation.
- Screw the timer directly onto your outdoor faucet. Ensure the connection is hand-tight to prevent leaks.
- Connect your garden hose to the outlet at the bottom of the timer. Again, hand-tighten for a secure fit.

Figura 4: The WaterProg timer installed on an outdoor faucet, ready for use.
6. Instrucciones de funcionamiento
The WaterProg timer features a rotary dial and several buttons for easy programming.
6.1 Puesta en hora del reloj
- Gire el dial giratorio a AJUSTAR RELOJ.
- Utilice el HOUR+/MINI- Botones para configurar la hora actual. Presione HORA+ to increase hours and MINI- para disminuir los minutos.
- Once the correct time is set, turn the dial to the next desired setting or to AUTO Para salvar.
6.2 Programming Watering Cycles
The timer allows you to set a start time, duration, and frequency for watering.
- SET START TIME: Gire el dial a HORA DE INICIO. Usar HOUR+/MINI- Botones para configurar la hora de inicio deseada para el riego.
- CUÁNTO TIEMPO: Gire el dial a CUÁNTO TIEMPO. Usar HOUR+/MINI- buttons to set the duration of each watering cycle (e.g., 10 minutes, 30 minutes).
- CON QUÉ FRECUENCIA: Gire el dial a CON QUÉ FRECUENCIA. Usar HOUR+/MINI- buttons to set the frequency (e.g., every 12 hours, every 24 hours, every 2 days).
6.3 Modo automático
After programming your watering cycles, turn the dial to AUTO. The timer will now operate according to your set schedule.
6.4 Riego manual
Para regar manualmente fuera del horario programado:
- Presione el MANUAL botón.
- Utilice el HOUR+/MINI- Botones para configurar la duración de riego manual deseada.
- Prensa MANUAL again to start watering. The timer will automatically stop after the set duration.
- Para detener el riego manual antes de tiempo, presione MANUAL de nuevo.
6.5 Función de retraso por lluvia
To pause watering for a period due to rain:
- Presione el RETRASO POR LLUVIA botón.
- Utilice el HOUR+/MINI- buttons to set the delay duration (e.g., 24 hours, 48 hours).
- Prensa RETRASO POR LLUVIA again to activate the delay. Watering will resume automatically after the delay period.
- Para cancelar el retraso por lluvia, presione RETRASO POR LLUVIA de nuevo.
6.6 Turning Off the Timer
To completely stop all watering functions, turn the rotary dial to APAGADO.
7. Mantenimiento
- Limpieza: Limpia el temporizador con un anuncioamp Paño. No utilice limpiadores abrasivos ni disolventes.
- Reemplazo de batería: When the low battery indicator appears on the display, replace both AA batteries promptly to ensure continuous operation.
- Almacenamiento de invierno: Before the first frost, disconnect the timer from the faucet and hose. Remove the batteries and store the timer indoors in a dry, frost-free location.
8. Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| El temporizador no se enciende / La pantalla está en blanco. | Baterías muertas o instaladas incorrectamente. | Reemplace las baterías con baterías AA nuevas de 1.5 V, asegurándose de la polaridad correcta. |
| El agua no fluye. | Faucet is off; Timer is in OFF mode; Low water pressure; Clogged filter. | Ensure faucet is fully open; Turn dial to AUTO or MANUAL; Check water pressure; Clean the filter washer inside the timer inlet. |
| El temporizador tiene fugas en las conexiones. | Loose connections; Damaged washer. | Tighten connections by hand; Check and replace rubber washers if damaged. |
| Watering schedule is incorrect. | Incorrect programming; Rain Delay active. | Re-program START TIME, HOW LONG, and HOW OFTEN settings; Check if Rain Delay is active and cancel if necessary. |
9. Especificaciones
- Modelo: HCN0087
- Dimensiones: 12.2P x 12.2l x 12.2H centimeters (122 x 64.9 x 118 mm)
- Fuente de alimentación: 2 pilas AA de 1.5 V
- Material: Acrilonitrilo Butadieno Estireno (ABS), Plástico
- Color: White (main body is black, but product listing specifies white)
- Peso: 35 gramos
- Tipo de agua: Solo agua fría
- Protección de entrada: IP55 (Dust protected and protected against low pressure water jets from any direction)
10. Garantía y soporte
SCS Sentinel offers a 2-year availability of spare parts within the EU for this product.
For further assistance, troubleshooting, or to download the full user manual, please visit the official SCS Sentinel websitio:

Figura 5: The timer displayed alongside a document showing a QR code and link for manual downloads.
Official Downloads Page: https://www.scs-sentinel.com/downloads