1. Introduzzjoni
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. Karatteristiċi tal-prodott
- Weekly 7-day programmable digital time switch.
- Vol multiplutage 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.
- Funzjoni ta' override manwali.
- High capacity 16A switching contact.
3. Informazzjoni dwar is-Sigurtà
WARNING: Risk of electric shock. Installation should only be performed by a qualified electrician or competent person.
- Kun żgur li l-enerġija hija skonnettjata qabel l-installazzjoni jew il-manutenzjoni.
- Do not exceed the maximum load capacity of 16A.
- Ivverifika l-vol korretttage supply for the specific model (220V for TM919A-2).
- Żomm l-apparat 'il bogħod mill-umdità u minn temperaturi estremi.
4. Prodott Aktarview u Komponenti
The SINOTIMER TM919A-2 features an LCD display, control buttons, and wiring terminals for power input and load control.

Figura 4.1: Quddiem 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.
Buttuni tal-Kontroll:
- P (Programm): Jidħol fil-modalità tas-settings tal-programm.
- D+ (Jum): Adjusts day of the week or program day.
- H+ (Siegħa): Adjusts hour or program hour.
- M+ (Minuta): Adjusts minute or program minute.
- RESET: Irrisettja l-issettjar kollu għall-valuri tal-fabbrika.
- MANWAL: Toggles output ON/AUTO/OFF.
5. Setup u Installazzjoni
5.1 Dijagramma tal-Wiring
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: Ġenb 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 Issettjar tal-Ħin u l-Jum Kurrenti
- Agħfas il- P button once. The display will show the current time setting.
- Agħfas D+ biex tissettja l-ġurnata kurrenti tal-ġimgħa.
- Agħfas H+ biex tissettja s-siegħa kurrenti.
- Agħfas M+ biex tissettja l-minuta kurrenti.
- Agħfas il- P button again to exit time setting mode and return to normal operation.
6. Istruzzjonijiet Operattivi
6.1 Programmazzjoni taċ-Ċikli ON/OFF
It-tajmer jappoġġja sa 16 programm ON/OFF. Kull programm jikkonsisti minn ħin ON u ħin OFF.
- Agħfas il- P button repeatedly until "1 ON" appears on the display. This is the first ON program.
- Agħfas D+ biex tagħżel il-ġurnata/jiem għal dan il-programm. L-għażliet jinkludu ġranet individwali, ġranet tal-ġimgħa, tmiem il-ġimgħa, jew is-7 ijiem kollha.
- Agħfas H+ to set the desired hour for the "ON" event.
- Agħfas M+ to set the desired minute for the "ON" event.
- Agħfas 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.
- Kompli agħfas 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 Manwal Override
Il- MANWAL Il-buttuna tippermettilek li tegħleb is-settings programmati temporanjament jew b'mod permanenti.
- Agħfas MANWAL once: Toggles between ON/AUTO/OFF modes.
- FUQ: The output is continuously ON, ignoring programs.
- MITFI: The output is continuously OFF, ignoring programs.
- AUTO: It-tajmer jopera skont iċ-ċikli ON/OFF ipprogrammati. Din hija l-modalità standard ta' tħaddim.
7. Manutenzjoni
7.1 Sostituzzjoni tal-batterija
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.
- Locate the battery compartment, typically on the side or back of the unit.
- Neħħi l-batterija CR2032 il-qadima bir-reqqa.
- Insert a new CR2032 battery, ensuring correct polarity (+ side up).
- Agħlaq il-kompartiment tal-batterija.
- Reconnect power and reset the current time and day if necessary.
8 Issolvi l-problemi
- Il-wiri huwa vojt:
- Check power supply connections (Terminals 1 & 2).
- Ensure the internal battery is charged or replaced if old.
- Agħfas il- RESET buttuna.
- Programs are not running:
- Kun żgur li t-tajmer huwa mixgħul AUTO mode (check the display for "AUTO"). Press MANWAL għall-modi taċ-ċiklu.
- Verify that the current time and day are set correctly.
- 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. Speċifikazzjonijiet
| Karatteristika | Speċifikazzjoni |
|---|---|
| Mudell | TM919A-2 |
| Provvista tal-Enerġija | 220V AC (as per model) |
| Konsum tal-Enerġija | 4.5 VA (MAX) |
| Firxa tat-Temperatura | -20°C sa +50°C |
| Wiri | LCD |
| Kuntatt tal-Iswiċċjar | 1 swiċċ tal-bidla |
| Programmi | 16 ON/OFF kuljum jew fil-ġimgħa |
| Isteresi | 2 sekondi/jum (f'25°C) |
| Kapaċità | 16A |
| Medda ta' Timer | 1 minuta sa 168-il siegħa |
| Intervall Minimu | 1 minuta |
| Memorja ta' Black-out | 60 days (with internal battery) |
| Piż tal-oġġett | 0.15 kg (5.3 uqija) |
| Immuntar | Ferrovija DIN ta '35mm |
| Daqs tal-Iskrin | 1.2 Pulzier |

Figura 9.1: Dimensional drawing of the SINOTIMER TM919A-2, showing measurements in centimeters for height, width, and depth.
10. Garanzija u Appoġġ
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.





