1. Pengenalan
The Walfront MPPT Solar Charge Controller is designed to efficiently manage power flow from your solar panels to your battery bank, optimizing charging performance for off-grid solar systems. This manual provides essential information for the safe and effective installation, operation, and maintenance of your 50A MPPT solar charge controller.
Image 1.1: Walfront MPPT Solar Charge Controller 50A. This image shows the front view of the orange and black controller, featuring an LCD screen displaying PV, Battery, and Load information, along with 'ESC' and 'SET' buttons.
2. Ciri-ciri Utama
- High Efficiency MPPT Tracking: Features MPPT tracking efficiency greater than 99% and a maximum conversion efficiency of up to 98%, maximizing energy harvest from solar panels.
- Wide 180V PV Input and Auto VoltagePengiktirafan: Supports a maximum solar input voltage of 180V (at 25℃) and automatically recognizes 12V, 24V, 36V, and 48V battery systems. Compatible with battery voltagialah dari 9V hingga 64V.
- Clear LCD Display and Smart Protection: Built-in LCD provides real-time system data (voltage, current, operating status). Includes temperature compensation and multiple protection features for safe operation.
- Low No-Load Loss and Reliable Performance: No-load loss of ≤0.4W conserves energy. Designed for reliable operation in temperatures from -10℃ to 65℃ and altitudes up to 3000 meters.
- Mudah untuk Memasang dan Menggunakan: Auto-recognition feature simplifies setup. Compact design allows for straightforward mounting.
Image 2.1: Automatic Voltage Identification. This image highlights the controller's ability to automatically identify 12V, 24V, 36V, and 48V systems, shown with various solar panel application examples.
3. Maklumat Keselamatan
Please read all instructions carefully before installation and operation. Failure to follow these safety guidelines may result in personal injury, damage to the controller, or other equipment.
- Ensure all wiring is correctly polarized and securely connected. Loose connections can cause overheating and damage.
- Sentiasa sambungkan bateri dahulu, kemudian panel solar, dan akhirnya beban. Putuskan sambungan dalam susunan terbalik.
- Do not connect the solar panel array to the controller without a battery connected.
- Pastikan sistem voltage of the solar panel and battery are compatible with the controller's specifications.
- Pasang pengawal di kawasan yang mempunyai pengudaraan yang baik, jauh daripada bahan mudah terbakar dan cahaya matahari langsung.
- Avoid touching live terminals. Use insulated tools during installation.
- This device is not waterproof. Protect it from moisture and water exposure.
4. Kandungan Pakej
Sahkan bahawa semua item yang disenaraikan di bawah disertakan dalam pakej anda:
- 1 x Walfront MPPT Solar Charge Controller (50A)
- 4 x Skru
- 4 x Skru Pengembangan
- 1 x Manual Pengguna (dokumen ini)
Image 4.1: Package Contents. This image displays the solar charge controller alongside the mounting screws and expansion screws provided in the package.
5. Persediaan dan Pemasangan
Follow these steps for proper installation of your solar charge controller.
5.1 Memasang Pengawal
- Pilih lokasi yang kering, mempunyai pengudaraan yang baik, terlindung daripada cahaya matahari langsung, suhu tinggi dan kelembapan.
- Ensure there is sufficient space around the controller for heat dissipation, especially around the cooling fins.
- Mount the controller vertically on a solid surface using the provided screws.
5.2 Sambungan Pendawaian
Refer to the wiring diagrams below for correct connection sequence. Always connect in the following order:
- Sambungkan Bateri: Connect the battery to the controller's battery terminals. Ensure correct polarity (+ to + and - to -). The controller will automatically detect the battery voltage.
- Sambungkan Panel Suria: Connect the solar panel array to the controller's PV terminals. Ensure correct polarity.
- Sambungkan Beban DC (Pilihan): Connect the DC load to the controller's load terminals. Ensure correct polarity.
To disconnect the system, follow the reverse order: disconnect load, then solar panel, then battery.
Image 5.1: Basic System Connection Diagram. This diagram illustrates the connection order: 1. Battery Assembly, 2. Solar Panel Assembly, 3. DC Load. It also shows an AC Load and Inverter connected to the Battery Assembly.
Image 5.2: Detailed System Wiring Diagram. This diagram provides a more comprehensive view of a solar power system, including solar panels, battery, inverter (AC Output/Input), and various AC loads like laptops, lights, air conditioners, televisions, and fans.
6. Arahan Operasi
The controller features an LCD display and control buttons for monitoring and configuration.
6.1 Paparan LCD
The LCD screen provides real-time information about your solar system, including:
- PV (Photovoltaic) Status: Masukan voltage, current, and power from solar panels.
- BATT (Battery) Status: Bateri voltage, charging current, and state of charge.
- LOAD Status: Output current and power to the DC load.
- Sistem Voltage: Automatically detected battery system voltage (12V/24V/36V/48V).
- Penunjuk Ralat: Displays fault codes or warnings if issues occur.
6.2 Butang Kawalan
The controller has three buttons: ESC, Up/Down arrows, and SET.
- Butang ESC: Used to exit current menu or cancel an operation.
- Butang Naik / Turun: Digunakan untuk menavigasi pilihan menu atau melaraskan nilai parameter.
- Butang SET: Used to enter a menu, confirm a selection, or save changes to parameters.
Image 6.1: Control Buttons. This close-up image shows the 'ESC', 'Up arrow', 'Down arrow', and 'SET' buttons on the controller's front panel.
7. Penyelenggaraan
Penyelenggaraan berkala memastikan prestasi optimum dan jangka hayat pengawal cas solar anda.
- Pembersihan: Periodically clean the controller's exterior with a dry cloth. Ensure the cooling fins are free from dust and debris to maintain proper heat dissipation.
- Sambungan: Check all wiring connections regularly to ensure they are tight and free from corrosion.
- Pemeriksaan: Inspect the controller for any signs of physical damage, overheating, or unusual odors.
- Persekitaran: Ensure the installation environment remains dry and well-ventilated.
Image 7.1: Cooling Fins. This close-up shows the cooling fins on the top of the controller, which are crucial for heat dissipation and require regular cleaning.
8. Penyelesaian masalah
Jika anda menghadapi masalah dengan pengawal anda, rujuk masalah dan penyelesaian biasa berikut:
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Paparan pengawal dimatikan | Tiada bateri yang disambungkan atau volum bateritage terlalu rendah. | Ensure battery is connected correctly and has sufficient charge (above 9V). |
| Tiada arus pengecasan daripada PV | Solar panels not connected, insufficient sunlight, or PV polarity reversed. | Periksa sambungan dan kekutuban PV. Pastikan cahaya matahari yang mencukupi. Sahkan volum PVtage berada dalam julat. |
| Beban tidak berfungsi | Load disconnected, load current too high, or load polarity reversed. | Check load connections and polarity. Ensure load current does not exceed controller's rating. |
| Bateri tidak dicas sepenuhnya | Insufficient solar input, undersized solar array, or battery issues. | Increase solar panel capacity or check for shading. Inspect battery health. |
9. Spesifikasi Teknikal
Below are the technical specifications for the Walfront MPPT Solar Charge Controller 50A.
| Parameter | Spesifikasi |
|---|---|
| Sistem Voltage | 12V / 24V / 36V / 48V Auto |
| Nilai Pengecasan Semasa | 50A |
| No Load Loss | ≤0.4W |
| Solar Maximum Input Voltage | 180V (at 25℃), 150V (at -25℃) |
| Bateri Voltage Julat | 9-64V |
| Titik Kuasa Maksimum Voltage Julat | Bateri Voltage +2V hingga 150V |
| Kecekapan Penukaran | ≤98% |
| Kecekapan Penjejakan MPPT | >99% |
| Pekali Pampasan Suhu | -2mv/℃/2V (default value) |
| Suhu Bekerja | -10 ℃ hingga 65 ℃ |
| Gred Perlindungan | IP21 |
| Ketinggian | ≤3000 Meter / 9842.5ft |
Image 9.1: Model Comparison Table. This table provides a comparison of rated charging current and solar panel maximum input power for CM-50 (50A) and CM-60 (60A) models across different system voltages.
10. Waranti dan Sokongan
Untuk maklumat jaminan dan sokongan teknikal, sila rujuk dokumentasi yang disediakan semasa pembelian atau hubungi peruncit anda. Simpan resit pembelian anda sebagai bukti pembelian.