1. Introduksjon
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. Sikkerhetsinformasjon
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.
- Sørg for at alle ledningstilkoblinger er sikre og i samsvar med lokale elektriske forskrifter.
- Do not exceed the maximum load rating of 30A.
- This device is intended for indoor use only. Avoid exposure to moisture or extreme temperatures.
- Ikke forsøk å demontere eller reparere enheten selv. Kontakt kvalifisert servicepersonell.
3. Produktet er overview
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. Komponenter og kontroller

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

Figur 2: Vinklet view of the TM919B with the transparent protective cover open, revealing the programming buttons (P, D+, H+, M+, RESET, MANUAL).
- LCD-skjerm: Viser gjeldende tid, dag og programstatus.
- P-knapp (Program): 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.
- Nullstillknapp: Clears all settings and resets the timer to factory defaults.
- MANUELL-knapp: Toggles between ON, AUTO, and OFF modes.
- Terminaltilkoblinger: For power input and load output.
4. Spesifikasjoner
| Trekk | Spesifikasjon |
|---|---|
| Modell | TM919B |
| Voltage | 220V (AC200-250V) |
| Hyppighet | 50/60 Hz |
| Maks belastning | 30A (motstandsdyktig belastning) |
| Programmer | 16 ON/OFF programs per day/week |
| Minimumsintervall | 1 minutt |
| Batterisikkerhetskopiering | Built-in rechargeable battery (for memory retention) |
| Montering | 35mm DIN-skinne |
| Dimensjoner | Se figur 3 |

Figur 3: Detailed dimensions of the TM919B timer switch, showing height, width, and depth measurements.
5. Oppsett og installasjon
Follow these steps for safe and correct installation of your timer switch.
5.1. Montering
- Sørg for at strømmen er frakoblet ved hovedsikringen.
- 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.

Figur 4: Side view of the TM919B, highlighting the orange DIN rail mounting clip.

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

Figur 6: Side 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).
- Terminal 1 og 2: Power Input (L - Live, N - Neutral). Connect your 220V AC supply here.
- Terminal 3: Common (COM) for the output relay.
- Terminal 4: Normally Open (NO) output. The load will be powered when the timer is ON.
- Terminal 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. Bruksanvisning
6.1. Initial Setup and Reset
- After connecting power, the display may be blank or show random characters. Press the TILBAKESTILL 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. Stille inn gjeldende tid og dag
- Trykk og hold inne D+ -knappen for å stille inn gjeldende ukedag (MA, TI, ON, TO, FR, SA, SØ).
- Trykk og hold inne H+ button to set the current hour (0-23).
- Trykk og hold inne 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. Programming ON/OFF Cycles
The TM919B supports up to 16 ON/OFF programs. Each program consists of an ON time and an OFF time.
- Trykk på P button once. The display will show "1 ON". This is for the first ON program.
- Bruk 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)
- Bruk H+ og M+ to set the desired ON hour and minute.
- Trykk på P button again. The display will show "1 OFF". This is for the first OFF program.
- Bruk D+, H+, og 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. Manuell overstyring
Trykk på HÅNDBOK knapp for å bla gjennom driftsmodusene:
- PÅ: The timer output is continuously ON, ignoring all programs.
- BIL: The timer operates according to the programmed ON/OFF cycles. This is the standard operating mode.
- AV: The timer output is continuously OFF, ignoring all programs.
Sørg for at timeren er satt til AUTO for programmed operation.
7. Vedlikehold
- The TM919B is designed for maintenance-free operation.
- Rengjør utsiden med en myk, tørr klut. Ikke bruk slipende rengjøringsmidler eller løsemidler.
- 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. Feilsøking
| Problem | Mulig årsak | Løsning |
|---|---|---|
| Displayet er tomt. | 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. |
| Knappene reagerer ikke. | Unit frozen; temporary glitch. | Trykk på TILBAKESTILL knapp. |
9. Garanti og støtte
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 webnettstedet. Ta vare på kjøpskvitteringen som kjøpsbevis.
For further assistance, you may contact SINOTIMER customer service through their official channels.





