SINOTIMER TM922 Dual Channel Programmable Digital Timer Switch

1. Introdución e finalview

The SINOTIMER TM922 is a versatile dual-channel programmable digital timer switch designed for precise control of electrical equipment. It features two independent relay outputs, allowing simultaneous control of two separate devices or systems. With up to 8 ON/OFF programs per day and 15 combinations per week, this timer provides flexible scheduling options. Its accurate-to-the-second control ensures reliable operation according to preset programs, cycling weekly or daily from one second to 168 hours. Programs are saved by a battery backup in case of power failure, and the replaceable battery ensures long-term usage. The device is designed for DIN standard 35mm mounting, making it easy to install in DB boxes.

Figura 1: Fronte view of the SINOTIMER TM922 Digital Timer Switch.

2. Información de seguridade

Please read all instructions carefully before installation and operation. Incorrect installation or use can lead to electric shock, fire, or damage to the device. Ensure power is disconnected before any wiring or maintenance. This device should be installed by a qualified electrician in accordance with local electrical codes. Do not expose the device to moisture or extreme temperatures. Keep out of reach of children.

3. Características do produto

• Dual Independent Relays: Two separate 16A outputs for controlling two distinct devices.
• Horarios programables: Up to 8 ON/OFF programs per day, with 15 weekly combinations.
• Precise Timing: Accurate to the second, with cycles from 1 second to 168 hours.
• Copia de seguranza da memoria: Built-in battery saves programs during power outages.
• Batería reemplazable: Ensures long product life.
• Montaxe en carril DIN: Standard 35mm design for easy installation in electrical panels.
• Pantalla LCD grande: Clear blue backlight for easy readability.

Figure 2: Close-up of the TM922's LCD display and control buttons.

4. Contido do paquete

• SINOTIMER TM922 Digital Timer Switch
• One screwdriver
• Manual de usuario (este documento)

5. Especificacións

6. Configuración e instalación

6.1 Montaxe en carril DIN

The TM922 is designed for standard 35mm DIN rail mounting. To install, align the timer with the DIN rail and press firmly until it clicks into place. Ensure it is securely fastened.

Figura 3: Lateral view illustrating the DIN rail mounting mechanism.

6.2 Diagrama de cableado

AVISO: Disconnect all power before wiring. Wiring should be performed by a qualified professional.

The TM922 features terminals for power input (L, N) and two independent relay outputs (C1, C2). Each output has common (C), normally open (NO), and normally closed (NC) contacts. Refer to the labels on the device for precise terminal identification.

• Entrada de enerxía: Connect your 85-265VAC power supply to the 'L' (Live) and 'N' (Neutral) terminals.
• Channel 1 Output (C1): Connect your first load to the C1 terminals. For normally open operation, connect the load between the common (C1-4) and normally open (C1-5) terminals. For normally closed operation, connect between common (C1-4) and normally closed (C1-6) terminals.
• Channel 2 Output (C2): Connect your second load to the C2 terminals. For normally open operation, connect the load between the common (C2-1) and normally open (C2-2) terminals. For normally closed operation, connect between common (C2-1) and normally closed (C2-3) terminals.

Figure 4: Wiring terminals for power input and dual relay outputs.

7. Instrucións de funcionamento

7.1 Funcións dos botóns

Figure 5: Control button functions for the TM922.

• MENÚ: Unlock/Lock buttons, Enter program settings.
• ▲ (Frecha cara arriba): Increase value, Navigate up.
• ▼ (Frecha cara abaixo): Decrease value, Navigate down.
• OK: Select, Confirm settings.
• Res (Reset): Channel selection, Sleep mode, Remove programs. (Requires a pointed object like a pen or the provided screwdriver).

7.2 Locking/Unlocking the Timer

To prevent accidental changes, the timer can be locked. Press and hold the MENÚ button for more than 3 seconds to lock or unlock the timer. The 'LOCK' indicator on the display will show the current status.

7.3 Axuste da hora actual

1. Ensure the timer is unlocked.
2. Preme o OK button repeatedly to cycle through and select the minute, hour, second, and day of the week.
3. Usa o ▲ e ▼ buttons to adjust the selected number.
4. Preme OK para confirmar cada configuración.

7.4 Manual Control (Working Status)

To manually override the programmed settings for a channel, press the MENÚ e ▲ buttons together. This will cycle the working status through: ON, ON AUTO, OFF, AUTO OFF. The current status will be displayed (e.g., F1 ON, F2 OFF).

7.5 Switching Channels (F1/F2)

To switch between Channel 1 (F1) and Channel 2 (F2) for programming or manual control, press the recessed Res button using a pointed object. The display will show 'F1' or 'F2' to indicate the active channel.

7.6 Programación de ciclos de acendido/apagado

The TM922 supports up to 8 ON/OFF programs for each channel (F1 and F2), totaling 16 ON/OFF events per channel. Each program can be set for specific days of the week.

1. Ensure the timer is unlocked.
2. Select the desired channel (F1 or F2) by pressing the Res botón.
3. Preme o MENÚ button to enter the program setting mode. The display will show '1 ON' (for the first ON program).
4. Preme OK to select the time setting for '1 ON'. Use ▲ e ▼ to adjust the hour, minute, and second. Press OK despois de cada axuste.
5. After setting the time, you can select the days of the week for this program. Use ▲ e ▼ to cycle through various day combinations (e.g., Mo Tu We Th Fr Sa Su, Mo-Fr, Sa Su, etc.). Press OK para confirmar.
6. The display will then show '1 OFF'. Repeat steps 4 and 5 to set the OFF time and days for the first program.
7. Continúa presionando MENÚ to cycle through '2 ON', '2 OFF', up to '8 ON', '8 OFF' for the current channel, setting each as needed.
8. Once all programs are set, press and hold MENÚ to exit programming mode and return to the main clock display.

8. Mantemento

8.1 Substitución da batería

The TM922 uses a replaceable battery to maintain program settings during power outages. If the display becomes dim or settings are frequently lost, the battery may need replacement. Refer to the device's internal compartment for battery type and replacement instructions. Ensure power is disconnected before replacing the battery.

8.2 Limpeza

Clean the device with a soft, dry cloth. Do not use abrasive cleaners or solvents, as these can damage the casing ou pantalla.

9 Solución de problemas

• Timer not switching:
  • Check if the timer is in 'AUTO ON' or 'AUTO OFF' mode. Use manual control to switch to 'AUTO ON' for programmed operation.
  • Verify that the ON/OFF programs are correctly set for the desired times and days.
  • Asegúrate de que o dispositivo recibe enerxía.
• Configuración perdida despois dun apagadotage:
  • The internal backup battery may be depleted or faulty. Replace the battery.
• Os botóns non responden:
  • Ensure the timer is unlocked (press and hold MENU for 3 seconds).
  • If the 'Res' button is stuck, gently try to release it. Avoid pressing too hard.
• A pantalla está escura ou en branco:
  • Comprobe a fonte de alimentación.
  • Replace the internal backup battery.

10. Garantía e soporte

This SINOTIMER product comes with a standard manufacturer's warranty. For specific warranty details, please refer to the documentation included with your purchase or contact SINOTIMER customer support. For technical assistance, troubleshooting, or spare parts, please visit the official SINOTIMER websitio web ou póñase en contacto co seu departamento de atención ao cliente. Garde o recibo de compra para reclamacións de garantía.

Visita o SINOTIMER Store para máis información.