1. Introdución
This manual provides detailed instructions for the installation, operation, and maintenance of the SINOTIMER TM919A-2 LCD Digital Programmable Timer Switch. This device is designed for automatic control of electrical appliances based on programmed time schedules, offering daily and weekly programming options.
2. Características do produto
- Weekly 7-day programmable digital time switch.
- Vol. múltipletage options (5V, 12V, 24V, 110V, 220V, 85-265V). This specific model is 220V.
- Detachable battery design for backup power.
- 35mm DIN rail mounting for easy installation.
- LCD display for clear time and program viewing.
- 16 ON/OFF programs per day or week.
- Manual override function.
- High capacity 16A switching contact.
3. Información de seguridade
WARNING: Risk of electric shock. Installation should only be performed by a qualified electrician or competent person.
- Asegúrese de desconectar a alimentación antes da instalación ou mantemento.
- Do not exceed the maximum load capacity of 16A.
- Verificar o vol. correctotage supply for the specific model (220V for TM919A-2).
- Manteña o dispositivo lonxe da humidade e das temperaturas extremas.
4. Produto rematadoview e Compoñentes
The SINOTIMER TM919A-2 features an LCD display, control buttons, and wiring terminals for power input and load control.
Figura 4.1: Fronte view of the SINOTIMER TM919A-2 Digital Timer Switch, showing the LCD display, control buttons (P, D+, H+, M+, RESET, MANUAL), and wiring terminals.
Figura 4.2: The timer switch with its transparent protective cover opened, revealing the control buttons for programming and manual operation.
Botóns de control:
- P (Program): Entra no modo de configuración do programa.
- D+ (Day): Adjusts day of the week or program day.
- H+ (Hour): Adjusts hour or program hour.
- M+ (Minute): Adjusts minute or program minute.
- RESET: Restablece todos os axustes aos valores predeterminados de fábrica.
- MANUAL: Toggles output ON/AUTO/OFF.
5. Configuración e instalación
5.1 Diagrama de cableado
Refer to the wiring diagram on the side of the device and the illustration below for correct connection. Ensure all connections are secure.
Figura 5.1: Lado view of the timer switch displaying the wiring diagram. Terminals 1 and 2 are for power input (L and N). Terminals 3, 4, and 5 are for the relay output (Common, Normally Open, Normally Closed).
- Terminals 1 & 2 (L, N): Connect to the main power supply (220V AC for this model).
- Terminal 3 (NO - Normally Open): Connects to the load when the timer is ON.
- Terminal 4 (COM - Common): Connects to one side of the load and the power supply.
- Terminal 5 (NC - Normally Closed): Connects to the load when the timer is OFF (less common for typical applications).
5.2 Initial Power-up and Reset
Upon first power-up or after a long period without power, the LCD display may be blank. The internal battery provides backup for settings. If the display is unresponsive or shows garbled characters, press the RESET button using a pointed object (e.g., a pen tip). This will clear all settings and restore the timer to its default state.
5.3 Axuste da hora e do día actuais
- Preme o P button once. The display will show the current time setting.
- Preme D+ para configurar o día actual da semana.
- Preme H+ para configurar a hora actual.
- Preme M+ para configurar o minuto actual.
- Preme o P button again to exit time setting mode and return to normal operation.
6. Instrucións de funcionamento
6.1 Programación de ciclos de acendido/apagado
O temporizador admite ata 16 programas de acendido/apagado. Cada programa consta dunha hora de acendido e unha hora de apagado.
- Preme o P button repeatedly until "1 ON" appears on the display. This is the first ON program.
- Preme D+ to select the day(s) for this program. Options include individual days, weekdays, weekends, or all 7 days.
- Preme H+ to set the desired hour for the "ON" event.
- Preme M+ to set the desired minute for the "ON" event.
- Preme P again. "1 OFF" will appear. This is the first OFF program.
- Repeat steps 2-4 to set the day(s), hour, and minute for the "OFF" event.
- Continúa presionando P to cycle through "2 ON", "2 OFF", up to "16 ON", "16 OFF". If you do not need all 16 programs, simply press P until the display returns to the current time.
- To save and exit programming mode, press the P button until the current time is displayed.
6.2 Anulación manual
O MANUAL button allows you to override the programmed settings temporarily or permanently.
- Preme MANUAL once: Toggles between ON/AUTO/OFF modes.
- ACTIVADO: The output is continuously ON, ignoring programs.
- OFF: The output is continuously OFF, ignoring programs.
- AUTOMÁTICO: The timer operates according to the programmed ON/OFF cycles. This is the standard operating mode.
7. Mantemento
7.1 Substitución da batería
The timer includes a detachable CR2032 lithium battery to maintain time and program settings during power outages. If the display becomes dim or resets frequently, the battery may need replacement.
Figura 7.1: The timer switch shown with its battery compartment open and a CR2032 lithium battery, indicating the detachable battery design.
- Disconnect power to the timer before attempting battery replacement.
- Localiza o compartimento da batería, normalmente no lateral ou na parte traseira da unidade.
- Retire con coidado a pila CR2032 antiga.
- Insira unha nova pila CR2032, asegurándose de que a polaridade sexa correcta (co lado + cara arriba).
- Pecha o compartimento da batería.
- Reconnect power and reset the current time and day if necessary.
8 Solución de problemas
- A pantalla está en branco:
- Check power supply connections (Terminals 1 & 2).
- Ensure the internal battery is charged or replaced if old.
- Preme o RESET botón.
- Os programas non están a executarse:
- Asegúrate de que o temporizador estea activado AUTO mode (check the display for "AUTO"). Press MANUAL para os modos de ciclo.
- Verifique que a hora e o día actuais estean configurados correctamente.
- Check that the ON/OFF programs are correctly entered and enabled for the desired days.
- Confirm wiring to the load (Terminals 3, 4, 5) is correct.
- Timer resets unexpectedly:
- The internal battery may be low or depleted. Replace the CR2032 battery.
- Ensure stable power supply to the unit.
9. Especificacións
| Característica | Especificación |
|---|---|
| Modelo | TM919A-2 |
| Fonte de alimentación | 220V AC (as per model) |
| Consumo de enerxía | 4.5 VA (MAX) |
| Rango de temperatura | -20 °C a +50 °C |
| Mostrar | LCD |
| Switching Contact | 1 interruptor de conmutación |
| Programas | 16 ON/OFF per day or week |
| Histérese | 2 sec/day (at 25°C) |
| Capacidade | 16A |
| Intervalo de temporizador | De 1 minuto a 168 horas |
| Intervalo mínimo | 1 minuto |
| Black-out Memory | 60 days (with internal battery) |
| Peso do elemento | 0.15 kg (5.3 onzas) |
| Montaxe | Carril DIN de 35 mm |
| Tamaño da pantalla | 1.2 polgadas |
Figura 9.1: Dimensional drawing of the SINOTIMER TM919A-2, showing measurements in centimeters for height, width, and depth.
10. Garantía e soporte
Specific warranty information for the SINOTIMER TM919A-2 is not provided in the product details. For warranty claims or technical support, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.
