1. Introducción
This manual provides detailed instructions for the installation, setup, operation, and maintenance of the Intermatic ST01 24-Hour In-Wall Timer. The ST01 is a heavy-duty digital timer designed for in-wall flush mounting, suitable for controlling various electrical loads including incandescent and fluorescent lighting. Please read this manual thoroughly before installation and use to ensure safe and proper operation.

Imagen 1: Frente view of the Intermatic ST01 24-Hour In-Wall Timer. This image displays the timer's digital LCD screen and control buttons, designed for flush mounting within a standard wall box.
2. Información de seguridad
WARNING: Risk of Electric Shock. Installation requires working with high voltage wiring. Always turn off power at the circuit breaker or fuse box before installation or servicing. Installation should be performed by a qualified electrician or trained personnel.
- No instalar con las manos mojadas.
- Do not use in locations where it may be exposed to water or extreme humidity.
- Asegúrese de que todas las conexiones del cableado sean seguras y cumplan con los códigos eléctricos locales.
- This device is rated for 120-277V, 15A, 1800W. Do not exceed these ratings.
- Sólo para uso en interiores.
3. Contenido del paquete
Verifique que todos los componentes estén presentes antes de comenzar la instalación:
- Intermatic ST01 24-Hour In-Wall Timer (1 unit)
- Tornillos de montaje (2 unidades)
- Tuercas para cables (3 unidades)
- Manual de instrucciones (este documento)
4. Instalación
Siga estos pasos para una instalación segura y adecuada:
- Apagar la energía: Locate the circuit breaker or fuse that supplies power to the switch box where the timer will be installed. Turn off the power completely. Verify power is off using a voltage probador.
- Eliminar el interruptor existente: Carefully remove the wall plate and unscrew the existing switch from the wall box. Disconnect the wires from the old switch, noting which wire was connected to which terminal (typically Line, Load, and Ground).
- Cablear el temporizador: The ST01 timer typically has three wires:
- Black (Line): Conectar al cable caliente entrante proveniente del disyuntor.
- Red (Load): Connect to the wire going to the light fixture or appliance.
- Verde (tierra): Connect to the bare copper or green ground wire in the wall box.
- Montar el temporizador: Gently fold the wires into the wall box. Insert the timer into the wall box and secure it with the provided mounting screws.
- Instale la placa de pared: Coloque una placa de pared estándar (no incluida) sobre el temporizador.
- Restaurar energía: Vuelva a encender la energía en el disyuntor o en la caja de fusibles.
Note: The ST01 is designed for flush mounting and requires a standard electrical wall box.
5. Configuración inicial y programación
Tras el encendido inicial o después de un corte de energíatage, the timer's internal CR2 lithium battery maintains settings, but you may need to set the current time and program schedules.
- Establecer hora actual:
- Presione el RELOJ botón.
- Utilice el HORA y MINUTO buttons to adjust the current time. The display operates in a 12-hour format (AM/PM).
- Prensa RELOJ de nuevo para guardar y salir.
- Program ON/OFF Schedules: The ST01 allows for multiple ON/OFF programs over a 24-hour period.
- Presione el PROG Botón. La pantalla mostrará "1 ON".
- Usar HORA y MINUTO Botones para configurar el tiempo de encendido deseado para el programa 1.
- Prensa PROG De nuevo. La pantalla mostrará "1 OFF".
- Usar HORA y MINUTO Botones para configurar el tiempo de apagado deseado para el programa 1.
- Repeat for additional programs (e.g., "2 ON", "2 OFF", etc.) as needed.
- Prensa RELOJ to save all programs and return to normal operation.
Refer to the timer's LCD display for visual cues during programming.
6. Funcionamiento del temporizador
Once programmed, the ST01 timer will automatically switch connected devices ON and OFF according to your set schedules. You can also manually override the timer:
- ENCENDIDO/APAGADO manual: Presione el MANUAL button to cycle through ON, OFF, and AUTO modes.
- EN: The connected device will remain ON, overriding all programs.
- OFF: The connected device will remain OFF, overriding all programs.
- COCHE: The timer will operate according to the programmed schedules. This is the default operating mode.
- Random Mode (if available): Some models may include a random mode for security. Consult the specific model's features if this is desired.
7. Mantenimiento
The Intermatic ST01 timer requires minimal maintenance:
- Limpieza: Wipe the timer's surface with a soft, damp Paño. No utilice limpiadores abrasivos ni disolventes.
- Batería: The internal CR2 lithium battery maintains time and program settings during power outages. This battery is typically long-lasting and not user-replaceable. If the display becomes dim or settings are lost frequently, professional servicing may be required.
- Inspección: Periodically inspect the timer and wall plate for any signs of damage or loose connections.
8. Solución de problemas
| Problema | Posible causa | Solución |
|---|---|---|
| La pantalla del temporizador está en blanco. | No hay energía en el temporizador. | Check circuit breaker/fuse. Ensure wiring connections are secure. |
| El temporizador no se enciende ni se apaga en los horarios programados. | Incorrect programming or timer is in Manual ON/OFF mode. | Verify program settings. Ensure timer is in AUTO mode by pressing the MANUAL botón hasta que aparezca "AUTO". |
| El tiempo o los programas se pierden después de un corte de energíatage. | Batería interna baja o agotada. | The CR2 lithium battery is designed for long life. If this occurs frequently, the unit may require replacement or professional service. |
| El dispositivo conectado no se enciende ni se apaga. | Faulty wiring, faulty load, or timer malfunction. | Verify wiring connections. Test the connected device directly. If issues persist, consult a qualified electrician. |
9. Especificaciones
- Modelo: ST01
- Tipo: 24-Hour In-Wall Digital Timer
- Volumentage: 120 - 277 V
- Ampedad: 15 A
- Fuerza: 1800 W
- Polacos: 1
- Operación: ON/OFF, Digital, LCD Display
- Ajuste de hora: Formato de 12 horas
- Batería: CR2 Lithium (for memory backup)
- Temperatura de funcionamiento: 32 °F a 104 °F (0 °C a 40 °C)
- Montaje: Montaje empotrado
- Dimensiones (totales): 2.75" H x 1.75" W x 1.46" D (70mm H x 44mm W x 37mm D)
- Color: Blanco
- Material: Metal
- Certificaciones: Certificado por CSA
- Compatibilidad: Incandescent, Fluorescent lighting
- Peso del artículo: 8 onzas (aprox. 227 gramos)
10. Garantía y soporte
For warranty information and technical support, please contact Intermatic customer service. Keep your purchase receipt as proof of purchase.
Servicio al cliente Intermatic:
- Websitio: www.intermatic.com
- Refer to the official Intermatic webSitio para obtener la información de contacto y los detalles de la garantía más actualizados.





