1. Úvod
Thank you for choosing the EARU Electric Digital Programmable Timer Switch Relay. This device is designed for general purpose time control, offering advanced daily and weekly programming capabilities. It is suitable for various applications requiring automated ON/OFF switching of electrical circuits. Please read this manual thoroughly before installation and operation to ensure safe and correct usage.
2. Bezpečnostní informace
- Always disconnect power before installing or servicing the device to prevent electric shock.
- Installation should be performed by a qualified electrician or knowledgeable personnel.
- Zajistěte zvtagJmenovité proudy a elektrické napětí zařízení odpovídají požadavkům vaší aplikace.
- Do not operate the device in environments exceeding the specified ambient temperature and humidity ranges.
- Chraňte zařízení před vodou a nadměrnou vlhkostí.
- Nepokoušejte se zařízení rozebírat nebo upravovat.
3. Vlastnosti produktu
- DIN Rail Installation for easy mounting.
- Advanced pre-setting for daily and weekly programs.
- Digital electronics general purpose time switch.
- Up to 18 ON/OFF settings for flexible scheduling.
- Manual ON/OFF control capability.
- Lithium battery power reserve ensures settings are retained during power outages (up to 3 years).
- Automatic time error correction (±30 seconds weekly).
- Convex buttons designed to prevent accidental operation.
- Intuitive LCD display for clear data visualization.
- Constructed with high-quality materials for reliability.
4. Specifikace
| Parametr | Hodnota |
|---|---|
| Číslo modelu | THC30A / AHC30 |
| Název značky | EARU |
| svtage Hodnocení | AC/DC 12V/220V |
| Jmenovitý proud | 30A |
| Zdroj napájení | AC / DC |
| Teorie | Časové relé |
| Kontaktní zatížení | Vysoký výkon |
| Typ kontaktu | 1NO1NC or 1NO |
| Funkce ochrany | Zapečetěno |
| Osvědčení | CE |
| Hystereze | ≤2 sec/day (25℃) |
| Provoz ON/OFF | 18 ON & 18 OFF |
| Spotřeba energie | 7.5VA (max) |
| Service Life (Mechanical) | 107 |
| Service Life (Electrical) | 105 |
| Minimální interval | 1 minuta |
| Hmotnost | Přibl. 150 g |
| Odpočítávání | 1 sec - 99 min 59 sec |
| Puls | 1 sec - 59 min 59 sec |
| Load Capacity (Resistive) | 30A 250VAC |
| Load Capacity (Lagging) | 25A/250V |
| Load Capacity (Lamp) | 4.5 kW |
| Switching Contact | 1 přepínač |
| Záloha | 3 years (lithium battery) |
| Okolní teplota | -10°C až +40°C |
| Okolní vlhkost | 35% ~ 85% RH |
5. Obsah balení
Balíček obvykle obsahuje:
- 1 x EARU Electric Digital Programmable Timer Switch Relay (Model THC30A)
- 1 x Uživatelská příručka
6. Nastavení a instalace
The timer switch is designed for DIN rail mounting. Ensure power is disconnected before proceeding with installation.
6.1 Identifikace součásti
- Power Input (N, L): Terminals for connecting the main power supply (AC220-240V or DC/AC 12V depending on model).
- Pracovní indikátor: LED light indicating device operation.
- LCD obrazovka: Displays time, day, and programming information.
- Hour (H+), Minute (M+), Day (D+) Buttons: Used for setting time and programming.
- Tlačítko časovače: Vstoupí do programovacího režimu.
- Tlačítko hodin: Used for setting current time.
- Resetovací tlačítko: Resetuje zařízení.
- Manual Button (ON/AUTO/OFF): For manual control of the output.
- Output Terminals (NC, NO): Normally Closed and Normally Open contacts for controlling the load.
6.2 Pokyny pro zapojení
Connect the timer switch according to the appropriate wiring diagram for your model (1NO or 1NO1NC). Ensure all connections are secure.
For the 1NO 30A model (as shown in Figure 6):
- Connect the Neutral (N) and Live (L) wires of your power supply to the "INPUT: AC220-240V" terminals labeled 'N' and 'L' respectively.
- Connect the Neutral (N) and Live (L) wires of your load to the "OUTPUT" terminals labeled 'N' and 'L' respectively.
For 1NO1NC 30A models, refer to the specific terminal markings on your device for Normally Open (NO) and Normally Closed (NC) contacts to connect your load as required.
6.3 Montáž na lištu DIN
The timer switch is designed for easy installation on a standard DIN rail. Simply align the device with the DIN rail and press firmly until it clicks into place. To remove, pull the orange clip at the bottom and lift the device off the rail.
Video 1: Produkt přesview and demonstration of DIN rail mounting and basic button functions.
7. Obsluha a programování
The timer switch allows for precise control over your electrical devices. Follow these steps to set the time and program ON/OFF cycles.
7.1 Počáteční nastavení a reset
Before first use or after a prolonged power outage, it is recommended to reset the device. Use a pointed object (like a pen tip) to press the RESETOVAT tlačítko. Na displeji se zobrazí „0:00“.
7.2 Úprava času
Chcete-li nastavit aktuální čas:
- Check if the clock display is consistent with the current time. If recalibration is needed, press and hold the HODINY tlačítko.
- Při držení HODINY, stiskněte tlačítko D+ button to adjust the day of the week.
- Při držení HODINY, stiskněte tlačítko H+ nastavte hodinu.
- Při držení HODINY, stiskněte tlačítko M+ minutu.
- Uvolněte HODINY button once the correct time is set.
7.3 Timer Setting (ON/OFF Programs)
The device supports up to 18 ON/OFF program settings. To set a program:
- Stiskněte tlačítko ČASOVAČ button once. The word "1 ON" will appear at the bottom left of the screen, indicating the first ON setting.
- Stiskněte tlačítko D+, H+a M+ buttons to set the desired day(s), hour, and minute for the first ON time.
- Stiskněte tlačítko ČASOVAČ button again. The word "1 OFF" will appear, indicating the first OFF setting.
- Stiskněte tlačítko D+, H+a M+ buttons to set the desired day(s), hour, and minute for the first OFF time.
- Repeat steps 1-4 for additional ON/OFF settings (up to 18 pairs). The display will cycle through "2 ON", "2 OFF", "3 ON", "3 OFF", and so on, up to "18 ON", "18 OFF".
- If you do not need all 18 settings, press the MANUÁL button to clear the extra settings. The display will show "--:--" for cleared settings.
- Po nastavení všech požadovaných programů stiskněte tlačítko HODINY tlačítko pro ukončení programovacího režimu a návrat k zobrazení aktuálního času.
Poznámka: The minimum interval for programming is 1 minute.
7.4 Manual Control (ON/AUTO/OFF)
Stiskněte tlačítko MANUÁL tlačítko pro procházení následujícími režimy:
- NA: The output is continuously ON, overriding any programmed settings.
- AUTO: The output operates according to the programmed ON/OFF settings.
- OFF: The output is continuously OFF, overriding any programmed settings.
Ensure the device is in AUTO mode for programmed functions to execute.
8. Údržba
The EARU Electric Digital Programmable Timer Switch Relay requires minimal maintenance. To ensure optimal performance and longevity:
- Udržujte zařízení čisté a bez prachu a nečistot. K čištění používejte měkký, suchý hadřík.
- Avoid exposing the device to direct sunlight, extreme temperatures, or high humidity.
- Pravidelně kontrolujte kabeláž, abyste se ujistili, že je bezpečná.
- The internal lithium battery provides power reserve for settings. If the display is blank after a power outage, the battery may be depleted or the device may need to be reset and reprogrammed.
9. Řešení problémů
| Problém | Možná příčina | Řešení |
|---|---|---|
| Device not powering on / LCD blank | Žádné napájení; Vnitřní baterie je vybitá. | Check power connections. If power is present, the internal battery might need charging (connect to power for a few hours) or replacement if it's very old. Perform a reset. |
| Programs not executing | Device is not in AUTO mode; Incorrect programming; Time not set correctly. | Press the MANUAL button until "AUTO" is displayed. Review and correct your ON/OFF program settings. Ensure the current time is accurately set. |
| Output always ON or OFF | Device is in manual ON or OFF mode. | Press the MANUAL button until "AUTO" is displayed. |
| Cannot achieve very short intervals (e.g., 10 times per second) | Omezení zařízení. | This timer switch has a minimum programming interval of 1 minute. It is not designed for high-frequency intermittent switching. |
| Need to switch only the Live line | Wiring configuration. | The device can be wired to switch only the Live line while the Neutral remains continuously connected. Consult a qualified electrician for specific wiring configurations to ensure safety and compliance with local electrical codes. |
| Need to use with 50-60 VDC | Nekompatibilní svtage. | This model supports AC/DC 12V or 220V. There is no information indicating support for 50-60 VDC. Using an incompatible voltagMůže poškodit zařízení a představovat bezpečnostní riziko. |
10. Uživatelské tipy
- The convex buttons are designed to prevent accidental presses, ensuring your settings remain secure.
- The clear LCD display provides intuitive feedback, making it easy to monitor the time and program status.
- Thanks to its high-quality construction, this timer switch offers reliable and reassuring performance.
- The DIN-Rail mounting feature makes installation straightforward and efficient.
11. Často kladené otázky (FAQ)
- Q: Can this relay be used for constant intermittent circuits with very high frequency (e.g., 10 times per second)?
- A: No, this timer switch has a minimum interval of 1 minute for programming. It is not suitable for applications requiring very high-frequency switching.
- Q: Does this timer support switching only the Live line, leaving the Neutral continuously connected?
- A: Yes, depending on the specific wiring configuration, this device can be set up to switch only the Live line. Always ensure proper wiring by a qualified professional.
- Q: Is there a model that works with 50-60 VDC?
- A: This model supports AC/DC 12V or 220V. There is no information indicating support for 50-60 VDC. Using an incompatible voltage může poškodit zařízení.
12. Záruka a podpora
Pro informace o záruce, technickou podporu nebo servisní dotazy se prosím obraťte na svého prodejce nebo přímo na výrobce. Uschovejte si účtenku jako doklad o koupi.
