1. Pengenalan
The KETOTEK STC-1000 is a versatile digital temperature controller designed for precise temperature management in various applications. It features dual relay outputs, allowing it to control both heating and cooling devices simultaneously to maintain a desired temperature range. This manual provides detailed instructions for installation, operation, and troubleshooting.
Image 1: KETOTEK STC-1000 Digital Temperature Controller with its LED display showing a temperature of 31.0°C. The device has 'Set', 'Cool', and 'Heat' indicators, along with control buttons and an attached NTC sensor.
2. Maklumat Keselamatan
- Pastikan bekalan kuasa voltage matches the controller's requirements (DC12V).
- All wiring should be performed by a qualified individual or with strict adherence to wiring diagrams to prevent electrical shock or damage.
- Jangan dedahkan peranti kepada air atau kelembapan berlebihan.
- Jauhkan peranti daripada bahan mudah terbakar atau meletup.
- Putuskan sambungan kuasa sebelum melakukan sebarang pendawaian atau penyelenggaraan.
3. Ciri-ciri Produk
- Kawalan Suhu: Capable of controlling both heating and cooling devices.
- Output Geganti Dwi: Separate relays for heating and cooling.
- Paparan led: Clear digital display for current temperature and settings.
- Penderia NTC: High-precision temperature sensing.
- Penentukuran Suhu: Membolehkan penalaan halus bacaan suhu.
- Fungsi Penggera: Alerts for temperature deviations.
Image 2: A collage illustrating various applications for the KETOTEK STC-1000, such as controlling temperature for home brewing, reptile tanks, egg incubators, and small refrigerators.
4. Komponen dan Kawalan
Imej 3: Terperinci view of the STC-1000 control panel, highlighting the LCD display, power button, 'Up' button, 'Down' button, and 'Set' button. Indicators for 'Cool' and 'Heat' are also visible.
- Paparan led: Shows current temperature and parameter values.
- Butang Kuasa (⏻): Menghidupkan/Mematikan peranti.
- Butang Atas (▲): Increases values or navigates menu.
- Butang Bawah (▼): Decreases values or navigates menu.
- Set Button (S): Enters/exits parameter setting mode, confirms selections.
- Cool Indicator: Lights up when cooling relay is active.
- Penunjuk Haba: Lights up when heating relay is active.
5. Persediaan dan Pemasangan
5.1 Gambarajah Pendawaian
Refer to the wiring diagram below for proper connection of the power supply, NTC sensor, heating device, and cooling device. Ensure all connections are secure and insulated.
Image 4: Wiring diagram for the STC-1000. Terminals 1 and 2 are for 12V power supply. Terminals 3 and 4 are for the NTC sensor. Terminals 5 and 6 are for the heating load. Terminals 7 and 8 are for the cooling load.
- Terminal 1 & 2: Connect to DC12V power supply.
- Terminal 3 & 4: Connect to the NTC temperature sensor.
- Terminal 5 & 6: Connect to the heating device (e.g., heater).
- Terminal 7 & 8: Connect to the cooling device (e.g., fan, refrigerator).
5.2 Pemasangan
The controller is designed for panel mounting. Ensure the cutout dimensions match the device specifications for a secure fit.
Image 5: Dimensional drawing of the STC-1000, showing panel size (2.95in x 1.34in), mounting size (2.76in x 1.06in), and sensor cable length (3.28ft).
6. Arahan Operasi
6.1 Hidupkan/Mati Kuasa
Press the Power button (⏻) to turn the controller ON or OFF.
6.2 Viewing Set Temperature
Press the 'S' button once. The display will show the set temperature. Press 'S' again or wait a few seconds for the display to return to the current temperature.
6.3 Menetapkan Parameter Suhu
- Press and hold the 'S' button for 3 seconds to enter the parameter setting mode. The display will show 'F1'.
- Use the 'Up' (▲) or 'Down' (▼) buttons to navigate through parameters (F1, F2, F3, F4).
- Press 'S' to view nilai parameter yang dipilih.
- Use 'Up' (▲) or 'Down' (▼) buttons to adjust the value.
- Press 'S' to save the new value and return to the parameter list.
- To exit parameter setting mode, press the Power button (⏻) or wait for 10 seconds without any operation.
6.4 Penerangan Parameter
| Parameter | Penerangan | Julat | Lalai |
|---|---|---|---|
| F1 | Set Point (Desired Temperature) | -50°C hingga 99°C | 10°C |
| F2 | Differential (Hysteresis) | 0.3°C hingga 10°C | 0.5°C |
| F3 | Compressor Delay (Cooling Delay) | 1 hingga 10 minit | 3 minit |
| F4 | Penentukuran Suhu | -10°C hingga 10°C | 0°C |
Image 6: Illustration demonstrating the STC-1000's ability to maintain a stable temperature by activating a cooler or a heater as needed.
7. Penyelenggaraan
- Pembersihan: Lap paparan dan casing dengan kain lembut dan kering. Jangan gunakan pembersih atau pelarut yang melelas.
- Penjagaan Sensor: Ensure the NTC sensor is clean and free from debris for accurate readings. Avoid bending or damaging the sensor cable.
- Sambungan: Periodically check all wiring connections to ensure they are tight and secure.
8. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Display shows 'LLL' | Sensor error or temperature below lower limit. | Check sensor connection; replace sensor if damaged. |
| Display shows 'HHH' | Sensor error or temperature above upper limit. | Check sensor connection; replace sensor if damaged. |
| Display shows 'ERR' | Ralat sistem. | Restart the controller. If error persists, contact support. |
| Controller not turning ON | Tiada kuasa atau pendawaian yang salah. | Verify DC12V power supply and wiring connections. |
| Heating/Cooling not activating | Incorrect set point, differential, or wiring. | Check F1 and F2 settings. Verify heating/cooling device wiring. |
9. Spesifikasi
- model: STC-1000
- Bekalan Kuasa: DC12V
- Julat Pengukuran Suhu: -50°C hingga 99°C
- Julat Kawalan: -50°C hingga 99°C
- Resolusi: 0.1°C
- Penderia: NTC sensor (1PC)
- Relay Contact Capacity: 10A (for both heating and cooling)
- Saiz Panel: 2.95in x 1.34in (75mm x 34mm)
- Saiz Pemasangan: 2.76in x 1.06in (70mm x 27mm)
- Dimensi Produk: Kira-kira 4.06 x 3.39 x 2.28 inci (dimensi pembungkusan)
- Berat: Kira-kira 4.76 auns
10. Waranti dan Sokongan
For warranty information or technical support, please refer to the product packaging or contact the manufacturer directly through their official weblaman web atau saluran khidmat pelanggan. Simpan resit pembelian anda untuk tuntutan jaminan.
