Manual Pengguna Pengawal/Penunjuk Suhu Sub-Zero SZ-7501 Proses Digital

1. Pengenalan

This manual provides comprehensive instructions for the installation, operation, and maintenance of the Sub-Zero SZ-7501 Digital Process Controller/Temperature Indicator. This device is designed for precise temperature control across a wide range of applications, including incubators, water heaters, floor heating systems, aquariums, refrigerators, greenhouses, and various industrial cold storage facilities.

The SZ-7501 is a versatile thermostat sensor capable of operating within a 110V-220V power supply, offering both cooling and heating output functionalities.

2. Ciri-ciri Utama

• Cooling & Heating Output: Supports both heating and cooling modes for flexible temperature management.
• Julat Suhu Luas: Operates effectively from -50°C to +99°C.
• Pengekalan Memori: Mengekalkan tetapan walaupun selepas kehilangan kuasa.
• Perlindungan Pemampat: Features a time delay function to protect connected compressors.
• Output geganti: SZ – 7510 P – 8 (3) A for reliable switching.
• Bekalan Kuasa: Compatible with 230VAC power sources.

3. Produk Lebihview

The Sub-Zero SZ-7501 features a clear digital display and intuitive control buttons for easy operation.

Rajah 1: Depan view of the Sub-Zero SZ-7501 Digital Process Controller. The display shows "25°C" with indicators for cooling, alarm, and a clock. Control buttons include 'Up', 'RST', 'PRG', 'Down', and 'SET'.

Rajah 2: sebelah view of the Sub-Zero SZ-7501 controller, illustrating the compact design and the connected sensor chord. The transparent purple casing mendedahkan komponen dalaman.

4. Persediaan dan Pemasangan

Proper installation is crucial for the accurate and safe operation of the SZ-7501 controller. Ensure all power is disconnected before proceeding with installation.

4.1 Gambarajah Pendawaian (Panduan Umum)

While a specific wiring diagram is not provided in this manual, typical connections for a digital temperature controller include:

1. Bekalan Kuasa: Connect the 230VAC power input to the designated terminals. Refer to the label on the device for exact terminal identification.
2. Sambungan Sensor: Connect the temperature sensor chord to the sensor input terminals. Ensure a secure connection for accurate readings.
3. Load Output (Heating/Cooling): Connect your heating or cooling device (e.g., compressor, heater) to the relay output terminals. Observe polarity and maximum current ratings.

Awas: Incorrect wiring can damage the device or connected equipment and poses an electrical hazard. If you are unsure about wiring, consult a qualified electrician.

4.2 Pemasangan

The controller is designed for panel mounting. Ensure adequate ventilation around the unit to prevent overheating. Cut an appropriate opening in the panel and secure the controller using the provided clips or mounting hardware.

5. Arahan Operasi

The SZ-7501 controller features a user-friendly interface for setting and monitoring temperature.

5.1 Hidupkan/Mati Kuasa

Connect the device to a 230VAC power source. The display will illuminate, showing the current temperature.

5.2 Setting the Desired Temperature (Set Point)

1. Tekan ke SET button once. The display will flash, showing the current set point temperature.
2. Gunakan ATAS (▲) dan TURUN (▼) buttons to adjust the set point to your desired temperature.
3. Tekan ke SET button again to confirm and save the new set point. The display will return to showing the current temperature.

5.3 Programming Parameters (PRG)

The PRG button is used to access advanced settings such as temperature differential (hysteresis), compressor delay time, and calibration. Specific parameter codes and their functions are typically detailed in a separate programming guide or on the device itself.

1. Tekan dan tahan butang PRG button for several seconds to enter programming mode.
2. Gunakan ATAS (▲) dan TURUN (▼) buttons to navigate through the parameter codes (e.g., F1, F2, F3).
3. Tekan SET kepada view the value of a selected parameter.
4. guna ATAS (▲) dan TURUN (▼) to modify the parameter value.
5. Tekan SET untuk menyimpan nilai baru.
6. Tekan dan tahan PRG again, or wait for a timeout, to exit programming mode.

Nota: Refer to the specific parameter list for your model to understand each setting's function and appropriate range.

5.4 Reset Function (RST)

The RST button is typically used to reset alarms or to initiate a manual defrost cycle in certain applications. Consult the device's specific functionality for its exact use.

6. Penyelenggaraan

Regular maintenance ensures the longevity and accurate performance of your Sub-Zero SZ-7501 controller.

• Pembersihan: Lap paparan dan casing dengan kain lembut dan kering. Jangan gunakan pembersih atau pelarut yang melelas.
• Penjagaan Sensor: Ensure the temperature sensor is clean and free from debris. Avoid bending or damaging the sensor chord.
• Sambungan: Periksa secara berkala semua sambungan elektrik untuk kesesakan dan tanda-tanda kakisan.
• Persekitaran: Operate the controller within its specified environmental conditions (temperature, humidity) to prevent damage.

7. Penyelesaian masalah

This section addresses common issues you might encounter with your SZ-7501 controller.

8. Spesifikasi

9. Waranti dan Sokongan

For warranty information and technical support, please refer to the documentation provided with your purchase or contact the retailer. Keep your purchase receipt as proof of purchase.

For further assistance, you may also visit the manufacturer's webtapak atau hubungi bahagian perkhidmatan pelanggan mereka.