1. Giriş
The AT1-4000X Variable Frequency Drive (VFD) is designed to provide precise speed control for 3-phase 4kW AC motors, operating from a single-phase 220V AC input. This VFD utilizes a unique control method to achieve high torque, high accuracy, and a wide speed regulating range, ensuring high performance in various applications.
Temel özellikler şunlardır:
- Excellent anti-trip performance and adaptability to challenging power conditions, temperature fluctuations, humidity, and dust interference, significantly enhancing stability.
- Optimized PWM control technology and electromagnetic compatibility for low noise and reduced electromagnetic interference.
- User-friendly design for easy operation and wiring.
- Fast start and stop response with substantial torque at low speeds.
2. Güvenlik Önlemleri
Failure to follow these instructions may result in death, serious injury, or significant property loss.
- Herhangi bir kablolama veya bakım işlemi yapmadan önce mutlaka güç kaynağının bağlantısının kesildiğinden emin olun.
- Never connect the U/V/W output terminals to the AC power supply. Doing so will cause severe damage to the inverter.
- Do not install the inverter in environments with flammable or explosive gases, as this poses a risk of explosion.
- The ground terminal (GND) of the inverter must be properly and securely grounded.
- Only qualified professionals should perform internal wiring or open the inverter's casing due to the presence of high voltage.

3. Ürün Bittiview
The AT1-4000X VFD features a clear digital display and an intuitive control panel for easy monitoring and adjustment of motor parameters. The unit is designed for efficient heat dissipation with integrated cooling fins and fans.
3.1 Kontrol Paneli
Ön panelde şunlar bulunur:
- Dijital gösterge: Shows operational parameters such as frequency (Hz), forward/reverse status (FWD/REV), and revolutions per minute (r/min).
- Göstergeler: Power, Hz, FWD, REV, r/min.
- Düğmeler:
DISP: Display mode selection.PROG: Program mode entry/exit.FUNC/DATA: Function/Data entry.FWD/REV: Forward/Reverse direction control.▲(Up Arrow): Increase value or navigate menus.▼(Down Arrow): Decrease value or navigate menus.RUN: Start motor operation.STOP/RESET: Stop motor operation or reset errors.
- Döner düğme: For fine adjustment of frequency or parameter values.
3.2 Terminaller
The VFD is equipped with clearly labeled terminals for power input and motor output.

4. Özellikler
| Özellik | Şartname |
|---|---|
| Örnek | AT1-4000X |
| Anma Hacmitage (Giriş) | AC 220V (Single Phase) |
| Suitable Motor Power | 4kW |
| Kontrol Yöntemi | V/F Open Loop |
| Çıkış Hacmitage Adjustable Method | PWM Kontrolü |
| Nominal Çıkış Akımı | 20A |
| Maximum Output Frequency Range | 0 - 400Hz |
| Tip | Inverter Motor Drive |
| Kökeni | Çin anakarası |
| Paket Boyutları (U x G x Y) | 23 cm x 23 cm x 16 cm |
| Paket Ağırlığı | 1.498 kilo |
5. Kurulum
Before proceeding with installation and wiring, ensure all safety precautions are understood and followed. Installation should be performed by qualified personnel.
5.1 Kurulum Ortamı
- Install the VFD in a clean, dry, and well-ventilated area.
- Avoid direct sunlight, high temperatures, excessive humidity, and dusty environments.
- Ensure there is sufficient space around the unit for proper heat dissipation.
- Yanıcı veya patlayıcı maddelerin yakınına kurmayınız.
5.2 Kablolama Talimatları
The VFD is designed for simple wiring. Always ensure the power supply is OFF before connecting any wires. Connect wires after removing the terminal screws.

| terminal | İşlev | Tanım |
|---|---|---|
| S, K | AC 220V Giriş | Connect to single-phase AC 220V power supply. |
| U, V, W | 3-Phase AC Motor Output | Connect to the three-phase AC motor terminals. |
| Yeraltı | Zemin | Güvenilir bir topraklama bağlantısı yapın. |
6. Kullanım Talimatları
Once the VFD is correctly installed and wired, you can begin operation. Familiarize yourself with the control panel functions.
6.1 Temel İşlemler
- Güç Açık: Ensure all connections are secure, then apply single-phase 220V AC power to the L and N terminals. The VFD display should illuminate.
- Motoru Çalıştırın: Basın
RUNbutton to start the motor. The FWD or REV indicator will light up depending on the current direction setting. - Frekansı/Hızı Ayarlayın: Use the rotary knob to adjust the output frequency, which in turn controls the motor speed. The display will show the current frequency (Hz) or RPM (r/min).
- Yönü değiştir: Basın
FWD/REVbutton to toggle the motor's rotation direction. - Motoru Durdur: Basın
STOP/RESETmotoru durdurma düğmesi.
6.2 Parametre Programlama
The PROG Ve FUNC/DATA buttons, along with the arrow keys (▲, ▼), are used to access and modify various operating parameters. Refer to the detailed programming manual (if available) for specific parameter settings relevant to your application.
- Basmak
PROGto enter or exit programming mode. - Kullanmak
▲Ve▼to navigate through parameter groups or individual parameters. - Basmak
FUNC/DATAto select a parameter for editing or to confirm a value. - Use the rotary knob or arrow keys to change the parameter value.
- Basmak
FUNC/DATAYeni değeri tekrar kaydetmek için.
7. Bakım
Regular maintenance helps ensure the longevity and reliable operation of your VFD.
- Temizlik: Keep the VFD clean and free from dust and debris. Use a soft, dry cloth for cleaning. Do not use liquid cleaners.
- Havalandırma: Ensure that the cooling fans and ventilation openings are not obstructed to prevent overheating.
- Denetleme: Tüm kablo bağlantılarını sıkılık ve aşınma veya hasar belirtileri açısından periyodik olarak kontrol edin.
- Profesyonel servis: Due to high internal voltages, any internal inspection or repair should only be performed by qualified service personnel. Do not attempt to open the VFD casinKendini geliştir.
8. Sorun Giderme
Bu bölüm, yaygın sorunlar için genel rehberlik sağlar. Karmaşık sorunlar için teknik destekle iletişime geçin.
| Sorun | Olası Neden | Çözüm |
|---|---|---|
| VFD açılmıyor | No input power; Incorrect wiring | Check power supply and input wiring (L, N). |
| Motor çalışmıyor | Motor wiring incorrect; VFD in STOP mode; Parameter error | Verify motor wiring (U, V, W); Press RUN; Check programmed parameters. |
| Motor hızı kararsız | Incorrect V/F settings; Motor load fluctuations | Adjust V/F curve parameters; Ensure motor is suitable for load. |
| Aşırı yükleme hatası | Motor overloaded; Incorrect overload protection setting | Reduce motor load; Check and adjust overload protection parameters. |
If an error occurs, the VFD display may show an error code. Press the STOP/RESET button to clear the error after addressing the cause.
9. Kullanıcı İpuçları
- For optimal performance, ensure the VFD is matched correctly to your motor's power rating (e.g., 4kW motor for this 4kW VFD).
- When adjusting frequency, make gradual changes to avoid sudden motor stress.
- Always ensure proper grounding to prevent electrical hazards and ensure stable operation.
- Keep the VFD's ventilation clear to prevent overheating, especially during continuous operation.
10. Garanti ve Destek
For warranty information, technical support, or service inquiries, please refer to the documentation provided at the point of purchase or contact the seller directly. Keep your purchase records handy when seeking support.





