Introducere
The SINOTIMER TM-919B is a highly versatile 7-day, 24-hour programmable digital timer switch designed for automatic control of various electrical equipment. This device is ideal for applications requiring precise scheduling, such as street lamps, neon lights, water heaters, air conditioners, and agricultural facilities. Its robust design and user-friendly interface ensure reliable operation and easy setup.
Key features include a 30A load capacity, 16 ON/OFF programs, and a built-in rechargeable battery for memory backup during power failures. The timer is designed for DIN rail mounting, making it suitable for integration into electrical distribution boards.
Produs terminatview

Figura 1: Față view of the TM-919B Digital Timer, displaying the time and control buttons for programming.

Figura 2: lateral view of the TM-919B, illustrating its compact design and the integrated DIN rail mounting clip.

Figura 3: Față view of the TM-919B with approximate dimensions: 8.7cm height, 6cm width, and 4.5cm depth.
Măsuri de siguranță
Always disconnect power before installation or maintenance. Installation should be performed by a qualified electrician in accordance with local electrical codes. Do not expose the device to moisture or extreme temperatures. Ensure proper wiring to avoid damage to the unit or connected appliances.
Configurare și instalare
- Montare: The TM-919B is designed for DIN rail mounting. Securely attach the timer to a standard 35mm DIN rail within your electrical distribution board.
- Cablaj:
- Connect the main power supply (220-240V AC, 50/60Hz) to the input terminals (typically marked L and N or 1 and 2).
- Connect the load (appliance) to the output terminals (typically marked 3, 4, 5 for a changeover switch). Refer to the wiring diagram on the device for precise connections. Ensure the load does not exceed 30A (resistive) or 15A (inductive).
- Pornire inițială: After wiring, restore power. The display should illuminate. The built-in battery will begin charging, which may take a few hours for full capacity.
- Resetați: If the display is erratic or you wish to clear all settings, press the "R" (Reset) button using a pointed non-metallic object. This will clear all programs and reset the clock.
Instrucțiuni de operare
Setarea orei curente
- Apăsați tasta „P” button (Program) once to enter time setting mode.
- Presa "D+" pentru a seta ziua curentă a săptămânii.
- Presa "H+" pentru a seta ora curentă.
- Presa "M+" pentru a seta minutul curent.
- To switch between 12-hour (AM/PM) and 24-hour format, press „P” şi "H+" simultan.
- Apăsați tasta „P” button again to exit time setting and return to normal operation.
Programming ON/OFF Cycles (16 Programs)
Temporizatorul acceptă până la 16 programe PORNIT/OPRIT. Fiecare program constă dintr-un timp de PORNIRE și un timp de OPRIRE.
- Apăsați tasta „P” button repeatedly to cycle through the program settings (1 ON, 1 OFF, 2 ON, 2 OFF, ..., 16 ON, 16 OFF). The display will show "1 ON", "1 OFF", etc.
- When "1 ON" is displayed, use "D+" to select the day(s) of the week for this ON event. Options include individual days, weekdays, weekends, or all days.
- Utilizare "H+" şi "M+" pentru a seta ora și minutul dorite de PORNIRE.
- Presa „P” again to move to "1 OFF". Set the day(s), hour, and minute for the OFF event using "D+", "H+", și "M+".
- Repetați pașii 2-4 pentru orice programe suplimentare (până la 16).
- După setarea tuturor programelor dorite, apăsați butonul „P” button until the display shows the current time, or wait for 30 seconds for it to automatically return to normal operation.
Anulare manuală
The timer has a manual override function to temporarily change the output state.
- Apăsați tasta "MANUAL" button (or a button labeled with a hand icon, if present) repeatedly to cycle through modes:
- PE: Ieșirea este pornită continuu.
- AUTO ON: Output is currently ON, following the program.
- OPRIT: Ieșirea este permanent OPRITĂ.
- OPRIRE AUTOMATA: Output is currently OFF, following the program.
- Select "AUTO ON" or "AUTO OFF" to ensure the timer follows the programmed schedule.
Întreţinere
The SINOTIMER TM-919B is designed for low maintenance. Keep the device clean and free from dust. Do not use abrasive cleaners. The built-in rechargeable battery is designed for long life and typically does not require replacement under normal operating conditions. If the display frequently goes blank during power outages, the battery may need servicing by a qualified technician.
Depanare
| Problemă | Cauza posibila | Soluţie |
|---|---|---|
| Afișajul este gol. | Fără alimentare; bateria internă descărcată. | Check power connections. Allow unit to charge for several hours after initial power-up. |
| Cronometrul nu se pornește/oprește la orele programate. | Incorrect programming; manual override set to ON/OFF; current time incorrect. | Verify program settings. Ensure manual override is set to "AUTO ON" or "AUTO OFF". Correct current time. |
| Output is always ON or always OFF. | Manual override engaged. | Press the "MANUAL" button until "AUTO ON" or "AUTO OFF" is displayed. |
| Erratic display or unresponsive buttons. | System error; static electricity. | Perform a full reset by pressing the "R" button. Reprogram all settings. |
Specificații
| Parametru | Valoare |
|---|---|
| Model | TM-919B |
| Alimentare electrică | 220-240V AC, 50/60Hz |
| Capacitate de încărcare | 30A (Resistive), 15A (Inductive) @ 250V AC |
| Programe | 16 ON/OFF settings per day/week |
| Interval minim | 1 minut |
| Interval de timp | 1 minut până la 168 de ore (7 zile) |
| Baterie internă | 1.2V/40mA rechargeable (for memory backup) |
| Time Error Correction | ±30 seconds per week |
| Dimensiuni (L x l x H) | 87mm x 60mm x 45mm (approx. 8.7 x 4.5 x 6 cm) |
| Montare | DIN Rail |
| Material | ABS + componente electronice |
| Certificari | IEC 60367, CE |
Garanție și suport
Specific warranty information for this product is not provided in the available documentation. For warranty claims or technical support, please contact the retailer or manufacturer directly. Ensure you have your purchase receipt and product model number (TM-919B) ready when contacting support.





