1. Introducción
This manual provides detailed instructions for the installation, operation, and maintenance of your BN-LINK U211A Countdown Timer Switch. This device is designed to automate the shut-off of lights and exhaust fans, contributing to energy savings and convenience. Please read this manual thoroughly before installation and use.

Figure 1: BN-LINK U211A Countdown Timer Switch
2. Información de seguridad
- Instalación profesional recomendada: For your safety, it is highly recommended to have a qualified electrician install this product.
- Desconexión de energía: Always cut off power at the circuit breaker before attempting any installation, wiring, or maintenance to prevent electric shock.
- Cable neutro requerido: This timer switch requires a neutral wire for proper operation. Ensure your wall box has a neutral wire before proceeding with installation.
- Single Pole Only: This switch is designed for single-pole applications only. It is not intended for use in 3-way applications where multiple switches control the same outlet.
- Uso exclusivo en interiores: Este producto es solo para uso en interiores.
- Capacidad de carga: Do not exceed the maximum load capacity: 15A/1875W Resistive or General Purpose, 10A/1250W Ballast or Tungsten, ½ HP. Exceeding these limits can cause damage to the switch and connected devices, and poses a fire hazard.
3. Contenido del paquete
Verifique que todos los artículos estén presentes en su paquete:
- BN-LINK U211A Countdown Timer Switch
- Placa de pared
- Tornillos de montaje
- Wire Nuts (Orange Twist Connectors)

Figure 2: Included components and size details
4. Instalación
Siga estos pasos cuidadosamente para una correcta instalación:
- Corte de energía: Turn off the main power at the circuit breaker for the switch location you will be working on.
- Uninstall Current Switch: Retire con cuidado la placa de pared existente y el interruptor de la caja de pared.
- Identificar cables: Identify the wires in your wall box: hot (line), load, neutral, and ground. A neutral wire is required.
- Conectar cables: Use the included orange twist connectors to connect the wires from the wall box to the corresponding wires on the timer switch. Ensure connections are secure.
- Conectar el cable blanco from the timer to the cable neutro En la caja de pared.
- Conectar el alambre negro from the timer to the hot (line) wire En la caja de pared.
- Conectar el cable rojo from the timer to the cable de carga En la caja de pared.
- Conectar el cable verde from the timer to the cable de tierra En la caja de pared.
- Interruptor seguro: Gently push all connected wires and the timer switch into the wall box. Secure the timer switch to the wall box using the provided mounting screws.
- Instale la placa de pared: Attach the decorative wall plate over the installed timer switch.
- Restaurar energía: Vuelva a encender la energía en el disyuntor.
- Inicializar: The timer will initialize. Wait for all indicator lights to go out, signaling that initialization is complete.

Figura 3: Diagrama de cableado
Video 1: BN-LINK Countdown Timer Switch Installation and Operation Guide. This video demonstrates the installation process and how to use the timer's countdown functions.
5. Operación
The BN-LINK U211A Countdown Timer Switch features a touch ON/OFF button and multiple preset countdown options.

Figure 4: Timer Switch Features
Configurar un temporizador de cuenta regresiva
- Press the button corresponding to your desired countdown duration (5 min, 10 min, 30 min, 60 min, 2 hours, or 4 hours).
- An LED indicator above the selected time will illuminate, confirming the countdown is active. The connected device (light or fan) will remain on for the selected duration and then automatically turn off.
- If you select a different countdown option while one is already active, the timer will reset to the newly selected duration.
- Pressing the same countdown button while it is active will not restart the countdown. To restart, first press the power button to turn the unit off, then press the desired countdown option again.
Manual ON/OFF and Always ON Mode
- To turn ON (Always ON Mode): If the unit is off, press the main power button (with the power symbol) once. The connected device will turn on and stay on indefinitely.
- Apagar: If the unit is in Always ON mode or a countdown is running, press the main power button once to turn the connected device off.
- Override Countdown: If a countdown is active, pressing the main power button once will turn the device off. Pressing it again will enter Always ON mode.
6. Especificaciones
| Característica | Especificación |
|---|---|
| Modelo | Sub-211A |
| Modo de operación | Automático |
| Calificación actual | 15 Amps |
| Vol de funcionamientotage | 125 voltios |
| Quétage | 1875 vatios |
| Método de control | Tocar |
| Tipo de interruptor | Toggle (Push Button Actuator) |
| Tipo de circuito | 1 vías |
| Tipo de montaje | Montaje en pared |
| Dimensiones (L x An x Al) | 4.2 x 1.8 x 2 pulgadas |
| Material | Plastic (body), Copper, Brass (contacts) |
| Color | Blanco |
| Clasificación de temperatura | De 5 °F a 122 °F |
| Certificaciones | Listado en ETL |
7. Solución de problemas
If you encounter issues with your BN-LINK U211A Countdown Timer Switch, refer to the following common solutions:
- El interruptor no responde:
- Asegúrese de que se restablezca la energía en el disyuntor.
- Verify all wire connections are secure and correct according to the installation instructions.
- Check if the connected load exceeds the maximum wattagmi o ampedad
- Countdown Not Starting/Resetting:
- To restart a countdown, first press the main power button to turn the unit off, then select your desired countdown time again.
- If switching between countdowns, the new countdown will start from its full duration.
- Lights/Fan Remain On Indefinitely:
- The switch might be in "Always ON" mode. Press the main power button once to turn it off, or select a countdown duration.
- Operación intermitente:
- Ensure the neutral wire connection is solid. A loose neutral wire can cause erratic behavior.
- Confirm the switch is not installed in a 3-way circuit.
Para obtener más ayuda, comuníquese con el servicio de atención al cliente de BN-LINK.
8. Garantía y soporte
BN-LINK products are designed for ease of use and quality. This product is ETL Listed, ensuring it meets recognized safety standards.
For information regarding product warranty, returns, or technical support, please refer to the documentation included with your purchase or visit the official BN-LINK website. You may also contact BN-LINK customer service directly for assistance.
Política de devoluciones: El ganador de la buybox ofrece una política de devolución de 30 días para reembolso o reemplazo.