1. Destpêk
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. Taybetmendiyên Hilberê
- Weekly 7-day programmable digital time switch.
- Multiple voltage 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. Agahiyên Ewlekariyê
WARNING: Risk of electric shock. Installation should only be performed by a qualified electrician or competent person.
- Berî sazkirinê an tamîrkirinê pê ewle bin ku hêz jê qut bûye.
- Do not exceed the maximum load capacity of 16A.
- Verfê rast voltage supply for the specific model (220V for TM919A-2).
- Amûrê ji şilbûn û germahiyên zêde dûr bigirin.
4. Hilbera Serîview û Pêkhateyên
The SINOTIMER TM919A-2 features an LCD display, control buttons, and wiring terminals for power input and load control.

jimar 4.1: Pêşde view of the SINOTIMER TM919A-2 Digital Timer Switch, showing the LCD display, control buttons (P, D+, H+, M+, RESET, MANUAL), and wiring terminals.

jimar 4.2: The timer switch with its transparent protective cover opened, revealing the control buttons for programming and manual operation.
Bişkokên Kontrolê:
- P (Bername): Enters program setting mode.
- 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: Hemî mîhengan li ser mîhengên kargehê vedigire.
- DESTÎ: Toggles output ON/AUTO/OFF.
5. Sazkirin û Sazkirin
5.1 Diagrama Têlkirinê
Refer to the wiring diagram on the side of the device and the illustration below for correct connection. Ensure all connections are secure.

jimar 5.1: Hêl 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 Danîna Dem û Roja Niha
- Bitikîne P button once. The display will show the current time setting.
- Rojnamevanî D+ ji bo danîna roja niha ya hefteyê.
- Rojnamevanî H+ ji bo danîna saeta heyî.
- Rojnamevanî M+ ji bo danîna deqeya niha.
- Bitikîne P button again to exit time setting mode and return to normal operation.
6. Telîmatên Operating
6.1 Bernamekirina Çerxên VEKIRIN/GIRTINÊ
The timer supports up to 16 ON/OFF programs. Each program consists of an ON time and an OFF time.
- Bitikîne P button repeatedly until "1 ON" appears on the display. This is the first ON program.
- Rojnamevanî D+ ji bo hilbijartina roj(an) ji bo vê bernameyê. Vebijêrk rojên takekesî, rojên hefteyê, dawiya hefteyê, an jî hemû 7 rojan vedihewîne.
- Rojnamevanî H+ to set the desired hour for the "ON" event.
- Rojnamevanî M+ to set the desired minute for the "ON" event.
- Rojnamevanî 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.
- Bi zextê berdewam bikin 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 Destnîşana Destûrî
Ew DESTÎ button allows you to override the programmed settings temporarily or permanently.
- Rojnamevanî DESTÎ once: Toggles between ON/AUTO/OFF modes.
- LI: The output is continuously ON, ignoring programs.
- JI: The output is continuously OFF, ignoring programs.
- TRIMBÊL: The timer operates according to the programmed ON/OFF cycles. This is the standard operating mode.
7. Maintenance
7.1 Guhertina Pîl
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.

jimar 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.
- Carefully remove the old CR2032 battery.
- Insert a new CR2032 battery, ensuring correct polarity (+ side up).
- Cihê pîlê bigire.
- Reconnect power and reset the current time and day if necessary.
8. Destpêkirin
- Nîşan vala ye:
- Check power supply connections (Terminals 1 & 2).
- Ensure the internal battery is charged or replaced if old.
- Bitikîne RESET pişkov.
- Programs are not running:
- Piştrast bike ku demjimêr di nav de ye AUTO mode (check the display for "AUTO"). Press DESTÎ ji bo modên cycle.
- 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. Specifications
| Taybetî | Specification |
|---|---|
| Cins | TM919A-2 |
| Navê min | 220V AC (as per model) |
| Vexwarina Hêzê | 4.5 VA (MAX) |
| Range Germahiya | -20°C heta +50°C |
| Pêşkêşî | LCD |
| Switching Contact | 1 guhêrbar |
| Programs | 16 ON/OFF per day or week |
| Hysteresis | 2 sec/day (at 25°C) |
| Kanîn | 16A |
| Rêzeya demjimêrê | 1 deqîqe heta 168 saetan |
| Navbera hindiktirîn | 1 minute |
| Black-out Memory | 60 days (with internal battery) |
| Babetê Weight | 0.15 kg (5.3 onsan) |
| Mounting | 35mm DIN Rail |
| Mezinahiya Screen | 1.2 Inches |

jimar 9.1: Dimensional drawing of the SINOTIMER TM919A-2, showing measurements in centimeters for height, width, and depth.
10. Garantî û Piştgirî
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.