MDWXDOFP MT812L Astronomical Timer User Manual

1. Introduzione

This manual provides detailed instructions for the installation, operation, and maintenance of the MDWXDOFP MT812L Astronomical Timer. This device is a 1-channel, 7-day programmable digital time switch designed for DIN rail mounting, featuring an LCD display and astronomical timing functions. Please read this manual thoroughly before installation and use to ensure proper function and safety.

2. Informazioni sulla sicurezza

Avvertimento: Electrical installation should only be performed by qualified personnel. Incorrect installation can lead to electric shock, fire, or damage to the device.

• Scollegare sempre l'alimentazione prima di installare o effettuare la manutenzione del timer.
• Assicurare il volumetage and current ratings of the timer match your application (AC220-240V, 16A).
• Non esporre il dispositivo a umidità o temperature estreme.
• Tenere fuori dalla portata dei bambini.
• Non tentare di aprire o riparare il dispositivo autonomamente. Rivolgersi a personale qualificato.

3. Prodotto finitoview

The MT812L is a versatile digital timer designed for precise control of electrical loads. Its key features include a clear LCD display, intuitive button controls, and DIN rail compatibility for easy integration into electrical panels.

Figura 3.1: Fronte view of the MT812L timer. This image displays the LCD screen with "Auto", "OFF", and time "9:25" visible, along with the "Menu", "Res", "+", and "ok" buttons below. The terminals are visible at the top and bottom.

3.1. componenti

• Schermo LCD: Shows current time, day, operating mode, and programming settings.
• Pulsante Menu: Accesses programming modes and navigates through options.
• Res (Reset) Button: Resets the device or clears current settings.
• Pulsante '+': Increases values or moves forward in settings.
• 'ok' Button: Confirms selections or exits programming modes.
• Terminals (1, 2, 3, 4, 5): For power input and load connection.

4. Impostazione

4.1. Montaggio su guida DIN

The MT812L timer is designed for standard 35mm DIN rail mounting. Ensure the DIN rail is securely installed within an electrical enclosure.

Figura 4.1: lato view of the MT812L timer, highlighting the blue DIN rail mounting clip at the bottom. This clip allows the timer to be securely attached to a standard DIN rail.

1. Hook the top edge of the timer onto the DIN rail.
2. Press the bottom of the timer firmly until the blue clip engages with the DIN rail.
3. Ensure the timer is securely fastened and does not wobble.

4.2. Collegamenti elettrici

Refer to the wiring diagram printed on the side of the timer and the following instructions. Always ensure power is disconnected before making any connections.

Figura 4.2: Angolato view of the MT812L timer, showing the input terminals (1, 2) at the top and output terminals (3, 4, 5) at the bottom. The wiring diagram is also visible on the side label.

• Terminal 1 e 2: Power Supply Input (AC220-240V). Connect Live (L) to terminal 1 and Neutral (N) to terminal 2.
• Terminal 3, 4, 5: Load Output. These are potential-free contacts.
  • Terminale 3: Comune (COM)
  • Terminale 4: Normalmente chiuso (NC)
  • Terminale 5: Normalmente aperto (NO)
  Connect your load to COM (3) and either NO (5) for switching ON when the timer is active, or NC (4) for switching OFF when the timer is active.

4.3. Accensione iniziale e impostazione dell'ora

After wiring, restore power. The LCD display should illuminate. If the display is blank, check power connections. The timer may require an initial charge if it has been stored for a long time.

1. Premere il tasto Ris. button to clear any previous settings and initialize the timer.
2. The display will show the current time and day. If incorrect, press the Menu button repeatedly until the time setting mode is displayed (e.g., flashing hour).
3. Utilizzare il '+' button to adjust the hour, minute, and day.
4. Premere ok per confermare ogni impostazione e passare a quella successiva.
5. Una volta che tutte le impostazioni sono corrette, premere Menu per uscire dalla modalità di impostazione.

5. Istruzioni per l'uso

5.1. Programmazione degli orari di accensione/spegnimento

The MT812L allows for multiple ON/OFF programs over a 7-day cycle. The exact number of programs is typically indicated in the timer's specifications or on the device itself.

1. Premere il tasto Menu button once to enter program setting mode. The display will show "1 ON" (Program 1 ON time).
2. Utilizzare il '+' button to set the desired hour and minute for the first ON event. Press ok per confermare.
3. Next, set the day(s) for this program. You can select individual days, weekdays, weekends, or all 7 days. Press ok per confermare.
4. The display will then show "1 OFF" (Program 1 OFF time). Repeat steps 2 and 3 to set the OFF time and day(s).
5. Continua a premere Menu to cycle through "2 ON", "2 OFF", and so on, setting all desired programs.
6. Dopo aver impostato tutti i programmi, premere Menu until the display returns to the current time. The timer is now programmed.

5.2. Astronomical Function

The astronomical function automatically adjusts ON/OFF times based on sunrise and sunset, calculated from your geographical location. This feature is ideal for lighting control.

• To activate or adjust astronomical settings, navigate through the Menu options until you find "ASTRO" or similar.
• You may need to input your geographical coordinates (latitude/longitude) or select a region. Refer to the on-screen prompts.
• Confermare le impostazioni con il ok pulsante.

Note: Specific steps for astronomical settings may vary slightly. Consult the on-screen menu for precise navigation.

5.3. Azionamento manuale

To temporarily override the programmed schedule, press the ok button while in normal operating mode. This will cycle through different modes:

• AUTO ACCESO: The timer will remain ON until the next programmed OFF time.
• SPEGNIMENTO AUTOMATICO: The timer will remain OFF until the next programmed ON time.
• SOPRA: The timer output is continuously ON.
• OFF: The timer output is continuously OFF.

Premere ok again to return to the desired mode or to "AUTO" for normal operation.

6. Manutenzione

The MT812L timer requires minimal maintenance to ensure long-term reliable operation.

• Pulizia: Wipe the exterior of the timer with a soft, dry cloth. Do not use abrasive cleaners or solvents. Ensure no liquids enter the device.
• Batteria: Il timer contiene una batteria interna per mantenere le impostazioni durante lo spegnimentotages. This battery is typically non-replaceable by the user and has a long lifespan. If the display is consistently blank after power loss, the internal battery may need professional servicing.
• Condizioni ambientali: Ensure the timer is operated within its specified temperature and humidity ranges to prevent damage.

7. Risoluzione Dei Problemi

8. Specifiche

9. Garanzia e supporto

For warranty information, please refer to the documentation provided with your purchase or contact your retailer. For technical support or further assistance, please reach out to the manufacturer, MDWXDOFP, through their official channels or the seller from whom you purchased the product.

Si prega di conservare questo manuale per riferimento futuro.