1. Ifihan
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.
Awọn ẹya pataki pẹlu:
- 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. Awọn iṣọra aabo
Failure to follow these instructions may result in death, serious injury, or significant property loss.
- Always ensure the power supply is disconnected before performing any wiring or maintenance.
- 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. Ọja Ipariview
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 Iṣakoso igbimo
Panel iwaju pẹlu:
- Ifihan Digital: Shows operational parameters such as frequency (Hz), forward/reverse status (FWD/REV), and revolutions per minute (r/min).
- Awọn itọkasi: Power, Hz, FWD, REV, r/min.
- Awọn bọtini:
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.
- Kokoro Rotari: For fine adjustment of frequency or parameter values.
3.2 ebute
The VFD is equipped with clearly labeled terminals for power input and motor output.

4. Awọn pato
| Ẹya ara ẹrọ | Sipesifikesonu |
|---|---|
| Awoṣe | AT1-4000X |
| Oṣuwọn Voltage (Igbewọle) | AC 220V (Single Phase) |
| Suitable Motor Power | 4kW |
| Ọna Iṣakoso | V/F Open Loop |
| O wujade Voltage Adjustable Method | PWM Iṣakoso |
| Ti won won Jade Lọwọlọwọ | 20A |
| Maximum Output Frequency Range | 0 - 400Hz |
| Iru | Inverter Motor Drive |
| Ipilẹṣẹ | Orile-ede China |
| Idiwon Iwọn (L x W x H) | 23 cm x 23 cm x 16 cm |
| Package iwuwo | 1.498 kg |
5. Eto
Before proceeding with installation and wiring, ensure all safety precautions are understood and followed. Installation should be performed by qualified personnel.
5.1 fifi sori Ayika
- 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.
- Ma ṣe fi sori ẹrọ nitosi awọn ohun elo ina tabi awọn ibẹjadi.
5.2 Awọn itọnisọna Wiring
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.

| Ebute | Išẹ | Apejuwe |
|---|---|---|
| L, N | AC 220V Input | Connect to single-phase AC 220V power supply. |
| U, V, W | 3-Phase AC Motor Output | Connect to the three-phase AC motor terminals. |
| GND | Ilẹ | Connect to a reliable earth ground. |
6. Awọn ilana Iṣiṣẹ
Once the VFD is correctly installed and wired, you can begin operation. Familiarize yourself with the control panel functions.
6.1 Ipilẹ isẹ
- Agbara Tan: Ensure all connections are secure, then apply single-phase 220V AC power to the L and N terminals. The VFD display should illuminate.
- Ibẹrẹ Motor: Tẹ awọn
RUNbutton to start the motor. The FWD or REV indicator will light up depending on the current direction setting. - Adjust Frequency/Speed: 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).
- Yi Itọsọna pada: Tẹ awọn
FWD/REVbọtini lati yi awọn motor ká yiyi itọsọna. - Mọto Duro: Tẹ awọn
STOP/RESETbọtini lati da awọn motor.
6.2 Parameter Programming
Awọn PROG ati 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.
- Tẹ
PROGto enter or exit programming mode. - Lo
▲ati▼to navigate through parameter groups or individual parameters. - Tẹ
FUNC/DATAto select a parameter for editing or to confirm a value. - Use the rotary knob or arrow keys to change the parameter value.
- Tẹ
FUNC/DATAlẹẹkansi lati fi awọn titun iye.
7. Itọju
Regular maintenance helps ensure the longevity and reliable operation of your VFD.
- Ninu: Keep the VFD clean and free from dust and debris. Use a soft, dry cloth for cleaning. Do not use liquid cleaners.
- Afẹfẹ: Ensure that the cooling fans and ventilation openings are not obstructed to prevent overheating.
- Ayewo: Lorekore ṣayẹwo gbogbo awọn asopọ onirin fun wiwọ ati awọn ami ti yiya tabi ibajẹ.
- Iṣẹ Ọjọgbọn: 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 casinara rẹ.
8. Laasigbotitusita
Apá yìí fúnni ní ìtọ́sọ́nà gbogbogbò fún àwọn ọ̀ràn tó wọ́pọ̀. Fún àwọn ìṣòro tó díjú, kan sí ìrànlọ́wọ́ ìmọ̀-ẹ̀rọ.
| Isoro | Owun to le Fa | Ojutu |
|---|---|---|
| VFD ko ni agbara lori | No input power; Incorrect wiring | Check power supply and input wiring (L, N). |
| Motor ko ṣiṣẹ | Motor wiring incorrect; VFD in STOP mode; Parameter error | Verify motor wiring (U, V, W); Press RUN; Check programmed parameters. |
| Motor iyara riru | Incorrect V/F settings; Motor load fluctuations | Adjust V/F curve parameters; Ensure motor is suitable for load. |
| Aṣiṣe apọju | 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. Awọn imọran olumulo
- 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. Atilẹyin ọja ati Support
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.






