1. Pengenalan
The SINOTIMER TM928 series is a versatile programmable electronic time clock designed for automated control of various electrical devices. It features precise timing from 1 second up to 168 hours, an easy-to-read LCD with backlight, and a convenient lock function to prevent accidental changes. This manual provides essential information for the safe and efficient operation of your TM928 time clock.
2. Spesifikasi
| Ciri | Spesifikasi |
|---|---|
| Nombor Model | TM928 |
| Teori | digital |
| taip | Mini |
| guna | Suis Pemasa |
| Pensijilan | CE |
| Bekerja Voltage | 85 hingga 265VAC, 50/60Hz |
| Kapasiti Muatan | 10A / 16A / 30A (depending on model variant) |
| Program | 8 tetapan HIDUP/MATI |
| Paparan | LCD dengan Lampu Latar |
| Julat Tetapan | 1 saat hingga 168 jam |
| Setting Interval | 1 saat |
| Dimensi | 86mm * 65mm * 36mm |
| Pemasangan | Rel DIN 35mm |
3. Persediaan
3.1 Pemasangan
The TM928 time clock is designed for 35mm DIN rail mounting. Ensure the power is disconnected before installation.
- Locate a suitable 35mm DIN rail within your electrical panel or enclosure.
- Align the timer's mounting clips with the DIN rail.
- Press firmly until the timer snaps securely onto the rail.

3.2 Pendawaian
WARNING: Electrical wiring should only be performed by a qualified electrician. Ensure all power is OFF before wiring.
The TM928 has terminals for power input (N, L) and load output (N, L). Refer to the diagram below for correct connections.
- Connect the Neutral (N) wire from your power source to the 'N' input terminal.
- Connect the Live (L) wire from your power source to the 'L' input terminal.
- Connect the Neutral (N) wire of your load device to the 'N' output terminal.
- Connect the Live (L) wire of your load device to the 'L' output terminal.

3.3 Kuasa Permulaan
Once wired correctly, restore power. The LCD backlight will illuminate, and the clock display will activate. If the display is blank, check power connections.
4. Arahan Operasi
The TM928 features a clear LCD and several buttons for programming. The buttons are typically labeled MENU, Res (Reset), Up arrow, Down arrow, and OK.

4.1 Menetapkan Jam
- Tekan butang 'MENU' untuk masuk ke menu utama.
- Use the 'Up' and 'Down' arrow buttons to navigate to the 'Clock Set' or similar option.
- Tekan 'OK' untuk memilih.
- Adjust the hour, minute, and day of the week using the 'Up' and 'Down' arrows, confirming each setting with 'OK'.
- Press 'MENU' to exit.
4.2 Programming ON/OFF Cycles (7 Days Programmable Timer)
Pemasa ini menyokong sehingga 8 program HIDUP/MATI. Setiap program boleh ditetapkan untuk hari-hari tertentu dalam seminggu.
- Tekan butang 'MENU' untuk masuk ke menu utama.
- Navigate to the 'Program' or 'Timer Set' option using 'Up'/'Down' arrows.
- Press 'OK'. You will see '1 ON' (Program 1 ON time).
- Use 'Up'/'Down' to set the desired ON time (hour and minute), confirming with 'OK' after each.
- Next, set the days of the week for this ON event. You can choose individual days, weekdays, weekends, or all days. Confirm with 'OK'.
- The display will then show '1 OFF' (Program 1 OFF time). Repeat the process to set the OFF time and days.
- Continue this process for up to 8 ON/OFF programs.
- To exit programming, press 'MENU'.
4.3 Fungsi Kunci
The lock function prevents unauthorized or accidental changes to the settings.
- To activate the lock, press and hold the 'Res' button for approximately 3-5 seconds until 'LOCK' appears on the display.
- To deactivate the lock, press and hold the 'Res' button again for 3-5 seconds until 'LOCK' disappears.
4.4 Pembatalan Manual
The timer typically includes a manual override function to temporarily switch the output ON or OFF, regardless of the programmed schedule. Consult the on-screen prompts or specific button combinations (often involving the 'OK' button) to access this feature.
5. Penyelenggaraan
The SINOTIMER TM928 is designed for low maintenance. Follow these guidelines to ensure longevity:
- Pembersihan: Gunakan kain lembut dan kering untuk membersihkan bahagian luar. Jangan gunakan pembersih atau pelarut yang melelas.
- Persekitaran: Pastikan pemasa dipasang di persekitaran yang kering, jauh daripada cahaya matahari langsung, suhu melampau dan gas menghakis.
- Bateri: The internal battery (if present for memory backup) is typically long-lasting and not user-replaceable.
6. Penyelesaian masalah
- Paparan kosong: Check the power supply connections (N and L input). Ensure the voltage berada dalam julat yang ditentukan (85-265VAC).
- Pemasa tidak bertukar:
- Sahkan bahawa waktu dan hari semasa ditetapkan dengan betul.
- Check that the ON/OFF programs are correctly entered and enabled.
- Ensure the load is properly connected to the output terminals.
- Confirm the timer is not in 'LOCK' mode or manual override mode that prevents automatic operation.
- Butang tidak responsif: Check if the lock function is active. Deactivate it by holding the 'Res' button.
- Masa yang tidak tepat: If the clock loses time or gains time significantly, it may indicate an internal issue. Contact support.
7. Petua Pengguna
- Test your programs: After setting up a new program, observe the timer for a full cycle to ensure it operates as expected before relying on it for critical applications.
- Consider power outages: While the timer has internal memory, prolonged power outages might require resetting the clock.
- Label your circuits: Clearly label the circuit controlled by the timer for safety and easy identification.
- Use the lock function: Activate the lock function after programming to prevent accidental changes, especially in accessible locations.
8. Waranti dan Sokongan
For technical support, warranty information, or if you require a detailed manual in English, Russian, or Portuguese, please contact SINOTIMER customer service or the seller directly. Provide your model number (TM928) and a description of the issue for faster assistance.





