1. Introducció
The SINOTIMER TM618SH is a versatile digital LCD timer switch designed for automatic control of various electrical equipment. It allows for precise scheduling with 1-second interval programming and 7-day weekly scheduling. This timer is ideal for applications such as streetlights, neon signs, lamps, water heaters, air conditioners, billboards, electric cookers, boosters, sprayers, bottlers, preheaters, agriculture facilities, and broadcasting equipment.
Equipped with an internal battery, the TM618SH retains programmed settings even during power failures. Its low power consumption, high-accuracy CMOS chip, and strong anti-jamming capabilities ensure reliable performance. The device is simple to set up and operate, conforming to IEC 60367 and CE certifications.
2. Característiques del producte
- Ideal for household use, designed for panel mounting.
- High load capacity: 16 Amps / 3600 watts.
- Comprehensive programming: 24 hours / 7 days a week programmable with 8 ON/OFF settings per day and 15 programming combinations.
- Built-in rechargeable battery for memory backup during power outages.
- Automatic time error correction: +/- 30 seconds weekly.
- Manual ON/OFF override function.
- Wide power input and output options: 5V, 12V, 24V, 110V, 220V.
- Large 1.6-inch HD LCD display for clear visibility.
- Features a sleep mode for reduced power consumption.
- Unique patent design with easy wiring.
3. Especificacions
| Característica | Especificació |
|---|---|
| Model | TM618sH |
| Interval de temperatura | -20 °C a +50 °C |
| Consum d'energia | 4.5 VA (MAX) |
| Contacte de commutació | 1 change over switch |
| Histèresi | 2 sec/day (at 25°C) |
| Capacity (Load) | 16A 250V AC, 20A @30 VDC (3600W) |
| Interval del temporitzador | 1 minute to 168 hours (7 days) |
| Error mitjà | 1s/24h (at 25°C) |
| Opcions d'alimentació | 5V, 12V, 24V, 110V, 220V |
| Mostra | LCD (1.6 inch) |
| Programes | 8 ON/OFF per day or week, 15 combinations |
| Interval mínim | 1 segons |
| Black-out (Battery Backup) | 60 dies |
| Bateria recarregable | 1.2 V |
| Dimensions | 60 mm x 60 mm x 30 mm |
| Tipus d'instal·lació | Muntat en panell |
| Format de rellotge | Format 12/24 hores |
| Countdown OFF Time Range | 1 Second to 24 Hours |
| Pes | 0.08 kg |

Figura 1: Paràmetres del producte

Figure 2: Timer Switch Dimensions (60x60x30mm)
4. Contingut del paquet
Upon opening the package, please ensure all items are present and undamaged:
- 1 x SINOTIMER TM618SH Digital LCD Timer Switch
- 1 x Manual d'usuari (aquest document)
The package dimensions are approximately 6cm (Length) x 6cm (Width) x 3cm (Height), with a total weight of about 0.1 kg.
5. Informació de seguretat
- Desconnecteu sempre l'alimentació abans de la instal·lació o el manteniment per evitar descàrregues elèctriques.
- Installation should be performed by a qualified electrician or knowledgeable individual.
- Ensure the timer's voltage rating matches your power supply.
- No supereu la capacitat de càrrega màxima de 16 A / 3600 W.
- Manteniu el dispositiu allunyat de l'aigua, la humitat i les temperatures extremes.
- Do not attempt to disassemble or repair the unit yourself. Contact support if issues arise.
6. Instal·lació
The TM618SH timer switch is designed for panel mounting. Follow the wiring diagram carefully for correct installation.
6.1 Esquema de cablejat

Figure 3: TM618SH Wiring Diagram
Connexions de terminals:
- Terminal 1 (LINE): Connect to the live (phase) wire of your input power supply.
- Terminal 2 (NEUT INPUT): Connect to the neutral wire of your input power supply.
- Terminal 3: No s'utilitza.
- Terminal 4 (NEUT OUTPUT): Connect to the neutral wire of your load.
- Terminal 5 (LOAD OUTPUT): Connect to the live (phase) wire of your load.
Font d'alimentació d'entrada: The timer supports various input voltages including 5V, 12V, 24V, 110V, and 220V AC (50/60Hz), depending on the specific model variant. Ensure your model matches your power supply.
Càrrega de sortida: The output can handle up to 16 Amps at 250V AC or 20 Amps a 30V DC.
6.2 Muntatge
The TM618SH is designed for panel mounting. Ensure adequate space for ventilation and access to terminals. Refer to Figure 2 for precise dimensions (60mm x 60mm x 30mm) for cutting the mounting hole.
7. Configuració inicial
7.1 First Use and Reset
Before initial use or if the display is blank or unresponsive, perform a reset:
- Locate the small 'R' button on the front panel (usually near the SEC button).
- Use a pointed object (like a pen tip) to press the 'R' button. The display will reset to 0:00.
Video 1: Demonstrates basic operations including reset, setting time, and countdown.
7.2 Configuració de l'hora i el dia actuals
- Manteniu premut el botó RELOJ botó.
- Mentre aguanta RELOJ, premeu SETMANA per configurar el dia actual de la setmana.
- Mentre aguanta RELOJ, premeu HORA per configurar l'hora actual.
- Mentre aguanta RELOJ, premeu MIN per configurar el minut actual.
- Mentre aguanta RELOJ, premeu SEC to set the current second.
7.3 Switching 12/24 Hour Format
To switch between 12-hour (AM/PM) and 24-hour formats, simultaneously press the MIN i SEC buttons (as shown in Video 1).
8. Instruccions de funcionament
8.1 Programació de cicles d'encesa/apagada
The TM618SH supports up to 8 ON/OFF programs per day or week, with 15 different programming combinations.
- Premeu el botó PROG Premeu el botó una vegada per entrar al mode de programació. La pantalla mostrarà «1 ON».
- Premeu SETMANA to select the day(s) for the first ON event. You can choose a single day, a block of days (e.g., Mon-Fri), or all days.
- Premeu HORA i MIN per configurar l'hora d'encesa desitjada.
- Premeu PROG de nou. La pantalla mostrarà «1 OFF».
- Repeat steps 2 and 3 to set the desired OFF time for the first program.
- Continueu prement PROG per canviar ciclísticament i configurar fins a 8 programes d'encesa/apagada.
- Després de configurar tots els programes desitjats, premeu el botó RELOJ per sortir del mode de programació i tornar a la visualització de l'hora actual.

Figure 4: Visual representation of programming features (1-second interval, 12/24hr format, 7-day programmable, 8 ON/OFF per day).
8.2 Anulació manual
To manually switch the timer's output ON or OFF, press the MANUAL button. This will cycle through ON, AUTO, and OFF modes. In AUTO mode, the timer will follow the programmed schedule.
8.3 Funció de compte enrere
The timer includes a countdown function with a range from 1 second to 24 hours.
- To set the countdown, simultaneously press the SETMANA i SEC buttons (as shown in Video 1).
- Utilitza el HORA, MIN, i SEC botons per configurar la durada del compte enrere desitjada.
- Premeu el botó MANUAL botó per iniciar el compte enrere.
- To stop the countdown prematurely, press the PROG botó.
9. Manteniment
9.1 Neteja
To clean the timer switch, wipe it with a soft, dry cloth. Do not use abrasive cleaners, solvents, or immerse the device in water.
9.2 Bateria
The TM618SH has an internal rechargeable 1.2V battery that maintains settings during power outages. This battery is designed for long-term use and typically does not require user replacement. If the timer consistently loses settings or the display remains blank after a power cycle, the internal battery may need professional servicing.
10. Solució De Problemes
- La pantalla està en blanc: Check the power supply connection. If power is present, press the 'R' (Reset) button with a pointed object.
- Els programes no s'estan executant:
- Verifiqueu que el dia i l'hora actuals estiguin configurats correctament.
- Ensure the timer is in 'AUTO' mode (check the display for 'ON AUTO OFF' indicator). If it's in 'ON' or 'OFF' mode, press the MANUAL button to switch to 'AUTO'.
- Double-check your programmed ON/OFF times for accuracy.
- Visualització de l'hora incorrecta: Reset the timer using the 'R' button and then re-set the current time and day.
11. Consells d'usuari
- The clock supports both 12-hour (AM/PM) and 24-hour formats. You can switch between them by pressing the MIN and SEC buttons simultaneously.
- The countdown OFF time range is highly flexible, from a minimum of 1 second up to a maximum of 24 hours.
- For specific, short-duration tasks, you can program the timer for very precise intervals, such as setting an ON event for Sunday at 07:00 and an OFF event for the same Sunday at 07:05.
12. Garantia i Suport
This product comes with a standard manufacturer's warranty against defects in materials and workmanship. For warranty claims, technical support, or service inquiries, please contact your retailer or the manufacturer directly. Please retain your proof of purchase for warranty validation.





