Jectse AT904-7.5KW Variable Frequency Drive User Manual

1. Увод

This manual provides essential information for the safe and efficient operation of the Jectse AT904-7.5KW Variable Frequency Drive (VFD). This device is designed to control the speed of three-phase AC motors by varying the frequency and voltage of the power supplied to the motor. Please read this manual thoroughly before installation, operation, or maintenance to ensure proper use and prevent potential hazards.

2. Безбедносне информације

WARNING: Improper installation or operation can lead to serious injury or death. Only qualified personnel should install, operate, and maintain this equipment.

Always disconnect power before performing any wiring, maintenance, or inspection.
Обезбедите правилно уземљење VFD-а и мотора.
Do not touch electrical components immediately after power-off; wait at least 10 minutes for capacitors to discharge.
Protect the VFD from moisture, dust, and corrosive gases.
Проверите да ли је улазна волtage matches the VFD's specifications.
Do not connect the VFD output directly to a single-phase motor or a power grid.

3. Производ је готовview

The Jectse AT904-7.5KW VFD is a robust and reliable frequency converter designed for various industrial applications requiring precise motor speed control. It features a durable ABS plastic shell and a user-friendly control panel.

Jectse AT904-7.5KW VFD connected to industrial motors and pumps — Image: The Jectse AT904-7.5KW Variable Frequency Drive shown in an industrial setting, connected to two large blue motors and pumps, demonstrating its application in controlling machinery.

Jectse AT904-7.5KW VFD with examples of industrial equipment it can control — Image: The Jectse AT904-7.5KW VFD unit displayed alongside smaller images of a motor, a chiller unit, and a large fan, illustrating the diverse range of industrial equipment it is designed to control.

Кључне карактеристике:

Улаз/Излаз: Single-phase 220V AC input, three-phase 0-380V AC output.
Компатибилност мотора: Suitable for 7.5KW (10HP) three-phase motors.
Стабилност: Integrated filter and V/F open-loop control for stable performance.
безбедност: Anti-trigger design for resilience against power grid interference, temperature fluctuations, and dust.
Перформансе: Delivers high torque, high accuracy, and wide speed regulation range.
Пријаве: Ideal for fans, pumps, air compressors, and other motor-driven equipment.

4. Спецификације

Спецификација	Валуе
Врста производа	Фрекуенци Цонвертер
Модел	АТ904-7.5КВ
Улазни волtage	Single Phase 220V AC 50/60Hz
Оутпут Волtage	Three Phase 0-380V AC 0-400Hz
Максимална излазна струја	40А
Suitable Motor Power	7.5КВ (10ХП)
Филтер	Уграђени филтер
Контролни режим	V/F Open Loop
Оутпут Волtagе Регулациони режим	ПВМ контрола
Материјал за изглед	ABS пластична шкољка
Product Size (Approx.)	25 × 18 × 16.5 cm / 9.8 × 7.1 × 6.5 inches
Тежина артикла	4.13 кг
Ефикасност	Висока ефикасност
Оутпут Вавеформ	Чисти синусни талас
Фреквенција	60 Хз
Парт Нумбер	Jectsepsctoya7hk5178

5. Подешавање

Careful installation is crucial for the performance and safety of the VFD. Ensure all safety precautions are followed.

5.1 Распакивање и преглед

Unpack the VFD and inspect it for any physical damage during transit.
Verify that all components listed in the package contents are present.

5.2 Монтажа

Mount the VFD vertically on a stable, non-flammable surface.
Ensure adequate ventilation space around the unit (minimum 10 cm on all sides) to prevent overheating.
Avoid mounting in direct sunlight, high humidity, or dusty environments.

5.3 Ожичење

Refer to the detailed wiring diagrams provided in the included user manual for specific connection points. The following are general guidelines:

Улазна снага: Connect the single-phase 220V AC power supply to the designated input terminals (typically L1, L2).
Излаз мотора: Connect the three-phase 380V motor to the output terminals (typically U, V, W). Ensure the motor is rated for 380V and has a power rating less than or equal to 7.5KW.
уземљење: Connect the ground terminal of the VFD to a reliable earth ground.
Контролно ожичење: If external control (e.g., potentiometer, external switches) is used, connect according to the manual's control terminal diagrams.

Jectse AT904-7.5KW VFD showing product dimensions — Image: The Jectse AT904-7.5KW VFD from an elevated perspective, highlighting its compact size and dimensions, which are approximately 25 x 18 x 16.5 cm.

Jectse AT904-7.5KW VFD side vents for cooling — Слика: Крупни план view of the side vents on the Jectse AT904-7.5KW VFD, indicating the cooling design for heat dissipation during operation.

6. Упутство за употребу

The VFD allows for precise control over motor speed and direction. Familiarize yourself with the control panel before operation.

Jectse AT904-7.5KW VFD being used to control an air compressor — Image: The Jectse AT904-7.5KW VFD positioned in the foreground, with two individuals in the background working on an air compressor, illustrating the VFD's role in controlling industrial equipment.

Jectse AT904-7.5KW VFD with high torsion and accuracy features — Image: The Jectse AT904-7.5KW VFD unit, highlighting its capabilities for high torsion, accuracy, wide speed drive, low noise, and low electromagnetic interference, crucial for industrial applications.

6.1 Функције контролне табле

Jectse AT904-7.5KW VFD control panel with buttons and display — Image: A close-up of the Jectse AT904-7.5KW VFD's control panel, showing the digital display, rotary knob, and various control buttons for operation, programming, and status indication.

Дугме РУН: Покреће рад мотора.
Дугме СТОП: Зауставља рад мотора.
JOG Button: For momentary or step-by-step operation.
ПРГ дугме: Enters programming mode to adjust parameters.
ENT Button: Confirms selections or parameter changes.
Стрелице горе/доле: Adjust frequency, speed, or navigate menu options.
Окретно дугме: Provides fine adjustment for frequency or other parameters.

6.2 Основни рад

Укључено: Ensure all wiring is correct and secure, then apply power to the VFD.
Подешавање параметара: If necessary, enter programming mode (PRG) to set motor parameters (e.g., rated frequency, maximum frequency, acceleration/deceleration times) according to your motor and application requirements. Refer to the detailed parameter list in the full user manual.
Покрените мотор: Притисните тастер РУН дугме за покретање мотора.
Подесите брзину: Use the Up/Down arrows or the rotary knob to adjust the motor speed (frequency).
Заустави мотор: Притисните тастер СТОП дугме за заустављање мотора.
Обрнута ротација: The VFD supports forward and reverse rotation. Specific instructions for changing direction are typically found in the parameter settings or via dedicated control terminals, as detailed in the comprehensive manual.

7. Одржавање

Regular maintenance ensures the longevity and reliable operation of your VFD.

Чишћење: Periodically clean the VFD's exterior and cooling fins to prevent dust accumulation, which can hinder heat dissipation. Use a soft, dry cloth. Do not use liquid cleaners.
Инспекција вентилатора: Check the cooling fan for proper operation and ensure it is free from obstructions.
Затегнутост терминала: Periodically check all wiring terminals for tightness. Loose connections can cause overheating and malfunction.
Провера животне средине: Уверите се да радно окружење остаје у прописаним опсезима температуре и влажности.

Jectse AT904-7.5KW VFD top cooling fan — Слика: Детаљна view of the top cooling fan on the Jectse AT904-7.5KW VFD, emphasizing its role in maintaining optimal operating temperature.

КСНУМКС. Решавање проблема

This section provides basic troubleshooting steps for common issues. For complex problems, consult a qualified technician or contact customer support.

Проблем	Могући узрок	Решење
VFD се не укључује	No input power; incorrect wiring	Check power supply and input wiring. Ensure circuit breaker is on.
Мотор се не покреће	Incorrect motor wiring; VFD fault; parameter settings incorrect	Verify motor wiring (U, V, W). Check VFD display for error codes. Review motor parameters.
Motor speed is unstable	Load fluctuations; incorrect V/F curve setting	Check motor load. Adjust V/F curve or other speed control parameters.
Квар превелике струје/преоптерећења	Motor overload; short circuit in motor wiring	Reduce motor load. Inspect motor and wiring for short circuits. Check motor parameters.
Оверволtagе/Ундерволtagе фаулт	Инпут волtage outside range; regenerative braking issue	Проверите јачину улазног напајањаtage. Consider adding a braking resistor if applicable.

9. Гаранција и подршка

Jectse products are manufactured to high-quality standards. For warranty information, please refer to the warranty card included with your product or contact your local distributor.

Корисничка подршка:

If you encounter any issues or have questions not covered in this manual, please contact Jectse customer support or your authorized dealer. When contacting support, please have your product model (AT904-7.5KW) and purchase details ready.