1. Sarrera
This manual provides comprehensive instructions for the installation, operation, and maintenance of the SINOTIMER TM919B 30A Programmable Electronic Timer Switch. This device is designed to automatically control the ON/OFF switching of various electrical appliances based on user-defined daily or weekly programs. Please read this manual carefully before installation and use to ensure proper function and safety.
2. Segurtasun informazioa
WARNING: Risk of electric shock. Installation should only be performed by a qualified electrician or trained personnel.
- Always disconnect power at the circuit breaker before installing or servicing the timer switch.
- Ziurtatu kableatu-konexio guztiak ondo daudela eta tokiko araudi elektrikoak betetzen dituztela.
- Do not exceed the maximum load rating of 30A.
- This device is intended for indoor use only. Avoid exposure to moisture or extreme temperatures.
- Ez saiatu unitatea zeuk desmuntatzen edo konpontzen. Jarri harremanetan zerbitzu-langile kualifikatuekin.
3. Produktua amaitu daview
The SINOTIMER TM919B is a digital timer switch featuring a large LCD display, multiple programming options, and a manual override function. It is designed for DIN rail mounting.
3.1. Osagaiak eta kontrolak

1. irudia: Aurrealdea view of the TM919B timer switch, showing the LCD display, control buttons, and terminal connections.

2. irudia: Angelukoa view of the TM919B with the transparent protective cover open, revealing the programming buttons (P, D+, H+, M+, RESET, MANUAL).
- LCD pantaila: Uneko ordua, eguna eta programaren egoera erakusten ditu.
- P (Program) Button: Enters/exits program setting mode.
- D+ (Day) Button: Adjusts day of the week in setting modes.
- H+ (Hour) Button: Adjusts hour in setting modes.
- M+ (Minute) Button: Adjusts minute in setting modes.
- Berrezarri botoia: Clears all settings and resets the timer to factory defaults.
- ESKUZKO botoia: Toggles between ON, AUTO, and OFF modes.
- Terminal konexioak: For power input and load output.
4. Zehaztapenak
| Ezaugarri | Zehaztapena |
|---|---|
| Eredua | TM919B |
| liburukiatage | 220V (AC200-250V) |
| Maiztasuna | 50/60Hz |
| Gehienezko Karga | 30A (karga erresistentea) |
| Programak | 16 ON/OFF programs per day/week |
| Gutxieneko tartea | 1 minutu |
| Bateria babeskopia | Built-in rechargeable battery (for memory retention) |
| Muntaketa | 35 mm-ko DIN erraila |
| Neurriak | Ikus 3. irudira |

3. irudia: Detailed dimensions of the TM919B timer switch, showing height, width, and depth measurements.
5. Konfigurazioa eta instalazioa
Follow these steps for safe and correct installation of your timer switch.
5.1. Muntaketa
- Ziurtatu zirkuitu-hausle nagusian korrontea deskonektatuta dagoela.
- Mount the TM919B onto a standard 35mm DIN rail. The device features a clip mechanism on the back for secure attachment.
- Press the orange clip at the bottom of the unit to release it from the DIN rail if removal is necessary.

4. irudia: Aldea view of the TM919B, highlighting the orange DIN rail mounting clip.

5. irudia: Itzuli view of the TM919B, illustrating the DIN rail mounting mechanism.
5.2. Kableatuen Diagrama
Refer to the diagram below for correct wiring connections. Ensure all connections are tight and insulated.

6. irudia: Aldea view of the TM919B showing the wiring diagram printed on the casing. Terminals 1 and 2 are for power input (L and N). Terminals 3, 4, and 5 are for load output (Common, Normally Open, Normally Closed).
- Terminals 1 & 2: Power Input (L - Live, N - Neutral). Connect your 220V AC supply here.
- 3. terminala: Common (COM) for the output relay.
- 4. terminala: Normally Open (NO) output. The load will be powered when the timer is ON.
- 5. terminala: Normally Closed (NC) output. The load will be powered when the timer is OFF.
For typical applications where the load is switched ON by the timer, connect the load between Terminal 3 (COM) and Terminal 4 (NO).
6. Funtzionamendu-argibideak
6.1. Initial Setup and Reset
- After connecting power, the display may be blank or show random characters. Press the Berrezarri button with a pointed object (e.g., a pen tip) to clear all memory and reset the timer. The display will show "0:00" and "MO".
- Allow the internal battery to charge for at least 30 minutes before programming for optimal performance and memory retention during power outages.
6.2. Uneko ordua eta eguna ezartzea
- Eduki sakatuta D+ button to set the current day of the week (MO, TU, WE, TH, FR, SA, SU).
- Eduki sakatuta H+ button to set the current hour (0-23).
- Eduki sakatuta M+ button to set the current minute (0-59).
- Release the buttons when the correct time and day are displayed. The timer will automatically save the settings.
6.3. PIZTU/ITZITU zikloen programazioa
The TM919B supports up to 16 ON/OFF programs. Each program consists of an ON time and an OFF time.
- Sakatu P button once. The display will show "1 ON". This is for the first ON program.
- Erabili D+ to select the day(s) for this program. Options include:
- MO TU WE TH FR SA SU (Every day)
- MO (Monday only)
- TU (Tuesday only)
- ...
- MO TU WE TH FR (Weekdays)
- SA SU (Weekends)
- MO TU WE (Mon-Wed)
- TH FR SA (Thu-Sat)
- MO WE FR (Mon, Wed, Fri)
- TU TH SA (Tue, Thu, Sat)
- MO TU WE TH FR SA (Mon-Sat)
- Erabili H+ eta M+ to set the desired ON hour and minute.
- Sakatu P button again. The display will show "1 OFF". This is for the first OFF program.
- Erabili D+, H+, eta M+ to set the desired OFF day, hour, and minute. Ensure the OFF time is after the ON time for the same program.
- Repeat steps 1-5 for additional ON/OFF programs (up to 16). If you don't need all 16 programs, simply press P to cycle through unused programs until you return to the current time display.
- To exit programming mode and save settings, press the clock button (usually labeled with a clock icon, or simply wait for 30 seconds without input).
6.4. Eskuzko gainidaztea
Sakatu ESKULIBURUA botoia funtzionamendu moduen artean aldatzeko:
- ON: The timer output is continuously ON, ignoring all programs.
- AUTOA: Tenporizadorea programatutako ON/OFF zikloen arabera funtzionatzen du. Hau da funtzionamendu modu estandarra.
- DESaktibatuta: The timer output is continuously OFF, ignoring all programs.
Ziurtatu tenporizadorea honela ezarrita dagoela AUTO for programmed operation.
7. Mantentzea
- The TM919B is designed for maintenance-free operation.
- Garbitu kanpoaldea zapi leun eta lehor batekin. Ez erabili garbitzaile edo disolbatzaile urratzailerik.
- Ensure the internal battery is charged by keeping the unit powered for at least 24 hours initially, and periodically thereafter, to maintain time and program memory during power outages.
8. Arazoak
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Pantaila hutsik dago. | Ez dago energia-iturririk; barneko bateria deskargatuta. | Check power connections. Allow unit to charge for 30 minutes. |
| Timer not switching load. | Incorrect wiring; timer in MANUAL ON/OFF mode; incorrect program settings. | Verify wiring (refer to Figure 6). Ensure timer is in AUTO mode. Check program times and days. |
| Programs are lost after power outage. | Internal battery not fully charged or faulty. | Ensure unit is powered for at least 24 hours to fully charge the battery. If problem persists, contact support. |
| Botoiek ez dute erantzuten. | Unit frozen; temporary glitch. | Sakatu Berrezarri botoia. |
9. Bermea eta Laguntza
SINOTIMER products are manufactured to high-quality standards. For warranty information or technical support, please refer to the documentation provided with your purchase or visit the official SINOTIMER webgunea. Gorde erosketa-agiria erosketaren frogagiri gisa.
For further assistance, you may contact SINOTIMER customer service through their official channels.