1. Kupu Whakataki
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. Nga korero haumaru
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.
- Me whakarite kia mau nga hononga waea katoa me te whai ki nga waehere hiko o te rohe.
- Do not exceed the maximum load rating of 30A.
- This device is intended for indoor use only. Avoid exposure to moisture or extreme temperatures.
- Kaua e ngana ki te wetewete, ki te whakatika rānei i te waeine māu ake. Whakapā atu ki ngā kaimahi ratonga whai tohu.
3. Hua Neke Atuview
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. Nga Waahanga me nga Mana Whakahaere

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

Whakaahua 2: Koki view of the TM919B with the transparent protective cover open, revealing the programming buttons (P, D+, H+, M+, RESET, MANUAL).
- Whakaaturanga LCD: E whakaatu ana i te wā, te rā, me te tūnga o te hōtaka.
- 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.
- Pātene RESET: Clears all settings and resets the timer to factory defaults.
- Pātene Ā-RINGA: Toggles between ON, AUTO, and OFF modes.
- Hononga Kapeka: For power input and load output.
4. Whakatakotoranga
| Āhuahira | Whakatakotoranga |
|---|---|
| Tauira | TM919B |
| Voltage | 220V (AC200-250V) |
| Auautanga | 50/60Hz |
| Uta Max | 30A (Utaa Whakatohe) |
| Papatono | 16 ON/OFF programs per day/week |
| Wā Wawa Iti | 1 meneti |
| Pūrua Pūhiko | Built-in rechargeable battery (for memory retention) |
| Whakaeke | 35mm DIN Rerewe |
| Ahu | Tirohia te Whakaahua 3 |

Whakaahua 3: Detailed dimensions of the TM919B timer switch, showing height, width, and depth measurements.
5. Tatūnga me te Tāuta
Follow these steps for safe and correct installation of your timer switch.
5.1. Whakapiki
- Me mohio kua momotuhia te hiko i te wehenga ara iahiko matua.
- 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.

Whakaahua 4: Te taha view of the TM919B, highlighting the orange DIN rail mounting clip.

Whakaahua 5: Whakamuri view of the TM919B, illustrating the DIN rail mounting mechanism.
5.2. Hoahoa Waea
Refer to the diagram below for correct wiring connections. Ensure all connections are tight and insulated.

Whakaahua 6: Te taha 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).
- Ngā Pūrua 1 me te 2: Power Input (L - Live, N - Neutral). Connect your 220V AC supply here.
- Kāpeka 3: Common (COM) for the output relay.
- Kāpeka 4: Normally Open (NO) output. The load will be powered when the timer is ON.
- Kāpeka 5: 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. Nga Tohutohu Whakahaere
6.1. Initial Setup and Reset
- After connecting power, the display may be blank or show random characters. Press the WHAKATURU 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. Te Tautuhinga Wā me te Rā o nāianei
- Patohia me te pupuri i te D+ button to set the current day of the week (MO, TU, WE, TH, FR, SA, SU).
- Patohia me te pupuri i te H+ button to set the current hour (0-23).
- Patohia me te pupuri i te 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. Te Hōtaka i ngā Huringa Whakakā/Whakaweto
The TM919B supports up to 16 ON/OFF programs. Each program consists of an ON time and an OFF time.
- Pehia te P button once. The display will show "1 ON". This is for the first ON program.
- Whakamahi 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)
- Whakamahi H+ a M+ to set the desired ON hour and minute.
- Pehia te P button again. The display will show "1 OFF". This is for the first OFF program.
- Whakamahi D+, H+, a 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. Whakakahoretanga A-Ringa
Pehia te MANUAL pātene hei huri i ngā aratau whakahaere:
- ON: The timer output is continuously ON, ignoring all programs.
- MOTO: The timer operates according to the programmed ON/OFF cycles. This is the standard operating mode.
- WATE: The timer output is continuously OFF, ignoring all programs.
Me whakarite kua tautuhia te matawā ki AUTO for programmed operation.
7. Tiaki
- The TM919B is designed for maintenance-free operation.
- Horoia te waho ki te kakahu ngohengohe, maroke. Kaua e whakamahi i nga kai horoi me nga whakarewa.
- 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. Te Raru
| Raruraru | Take pea | Rongoā |
|---|---|---|
| He waatea te whakaaturanga. | No power supply; internal battery discharged. | 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. |
| Kare e aro mai nga paatene. | Unit frozen; temporary glitch. | Pehia te WHAKATURU pātene. |
9. Pūtāhui me te Tautoko
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 webpae. Puritia to riiki hoko hei tohu mo te hoko.
For further assistance, you may contact SINOTIMER customer service through their official channels.





