1. Introducció
The Intermatic TN300CH70 Automatic Lamp Timer is a reliable and easy-to-use device designed to automate the control of your lamps and other electrical appliances. By setting specific ON and OFF times, you can enhance security, save energy, and add convenience to your daily routine. This timer features a robust 15 Amp, 1 HP rating, making it suitable for various electrical loads, and includes a manual override switch for immediate control.
2. Informació de seguretat
- Llegiu atentament totes les instruccions abans d'instal·lar o fer funcionar el temporitzador.
- Do not exceed the electrical ratings of 15 Amps or 1 HP. Overloading the timer can cause damage or create a fire hazard.
- This timer is designed for indoor use only. Do not expose it to water, moisture, or extreme temperatures.
- Ensure the timer is unplugged from the wall outlet before cleaning or performing any maintenance.
- No intenteu desmuntar ni reparar el temporitzador. Envieu totes les tasques de manteniment a personal qualificat.
- Mantenir fora de l'abast dels nens.
3. Producte acabatview

Figure 1: Intermatic TN300CH70 Automatic Lamp Timer in retail packaging. This image displays the Intermatic TN300CH70 Automatic Lamp Timer, a plug-in mechanical timer, sealed in its clear plastic retail packaging. The packaging highlights key features such as 'LAMP TIMER', 'Turns lights on and off automatically', 'Manual override ON/OFF switch', and '15 AMPS'. The timer itself is round, white, with a grey rotating dial marked with hours and a 'TIME OF DAY' indicator.
The TN300CH70 is a compact, plug-in mechanical timer. It features a rotating dial with segments that allow you to set specific ON and OFF times throughout a 24-hour period. A manual override switch provides instant control, allowing you to turn the connected appliance ON or OFF regardless of the programmed schedule.
Components clau:
- Marcador de temps: A 24-hour rotating dial with numbered segments (1-12 for AM/PM) to set the current time and program ON/OFF cycles.
- Program Pins/Segments: Integrated segments around the dial that are pushed in or pulled out to define ON and OFF periods.
- Interruptor d'anul·lació manual: A switch (often a slider or button) to manually turn the connected device ON or OFF, bypassing the timer's program.
- Outlet: The receptacle on the timer where you plug in your appliance.
- Endoll: The prongs that insert into a standard wall outlet.
4. Configuració i programació
4.1 Configuració de l'hora actual
- Hold the timer in your hand.
- Rotate the entire time dial clockwise until the current time aligns with the 'TIME OF DAY' indicator (usually a small arrow or line on the stationary part of the timer). Ensure you distinguish between AM and PM hours (e.g., 3 PM would be 15 on a 24-hour dial, or the 3 in the PM section).
4.2 Programació dels temps d'encesa/apagada
The timer allows for up to 3 ON/OFF settings per day. Each segment on the dial typically represents a specific time interval (e.g., 15 or 30 minutes). To program:
- Identify the segments corresponding to the desired ON and OFF times.
- Per establir un ON period, push the segments cap a dins for the duration you want the appliance to be on.
- Per establir un OFF period, leave the segments cap a fora for the duration you want the appliance to be off.
- Ensure there are clear transitions between ON and OFF segments.
4.3 Connexió del temporitzador
- Plug the Intermatic TN300CH70 timer into a standard 120V AC wall outlet.
- Connecteu la lamp or appliance you wish to control into the outlet on the timer. Ensure the appliance's own switch is set to the ON position.
5. Funcionament
5.1 Funcionament automàtic
Once programmed and connected, the timer will automatically turn the connected appliance ON and OFF according to your set schedule. The time dial will continuously rotate, indicating the current time and activating the segments as they pass the 'TIME OF DAY' indicator.
5.2 Anulació manual
The manual override switch allows you to temporarily bypass the programmed schedule. If the appliance is currently OFF according to the program, you can slide the switch to ON to turn it on immediately. If it's ON, you can slide it to OFF. The timer will resume its programmed schedule at the next programmed ON or OFF transition.
6. Manteniment
- To clean the timer, unplug it from the wall outlet.
- Wipe the exterior with a soft, dry cloth. Do not use abrasive cleaners, solvents, or immerse the timer in water.
- Ensure the timer's vents (if any) are not obstructed to allow for proper air circulation.
7. Solució De Problemes
7.1 Timer Not Turning ON/OFF at Programmed Times
- Comprova l'hora actual: Ensure the 'TIME OF DAY' indicator is correctly aligned with the current time on the dial, and that AM/PM is correctly set.
- Verify Program Segments: Make sure the ON/OFF segments are pushed in or pulled out correctly for the desired times.
- Manual Override Position: Check if the manual override switch is in the correct position for automatic operation.
- Font d'alimentació: Ensure the wall outlet is receiving power. Test with another appliance.
7.2 Appliance Not Receiving Power
- Appliance Switch: Confirm that the appliance's own power switch is in the ON position.
- Timer Plugged In: Ensure the timer is securely plugged into the wall outlet.
- Appliance Plugged In: Ensure the appliance is securely plugged into the timer's outlet.
- Sobrecàrrega: Check if the appliance's power consumption exceeds the timer's rating (15 Amps, 1 HP).
8. Especificacions
| Número de model | TN300CH70 |
| Marca | Intermatic |
| Qualificació elèctrica | 15 Amp, 1 CV |
| Nombre de configuracions | 3 ON/3 OFF per day |
| Tipus de muntatge | Muntatge endollat |
| Dimensions del producte (P x A x A) | 3" x 5" x 7" |
| Pes de l'article | 1.6 unces |
| UPC | 078275113541 |
| Fabricant | Intermatic, Inc. |
9. Garantia i Suport
For detailed warranty information, product registration, or technical support, please refer to the official Intermatic weblloc web o poseu-vos en contacte amb el seu departament d'atenció al client. Conserveu el rebut de compra com a comprovant de compra per a qualsevol reclamació de garantia.
Intermatic, Inc.
Weblloc: www.intermatic.com
Contact information can typically be found on their weblloc.





