INVT GD20-022G-4 Universal VFD Drive

The INVT GD20-022G-4 Universal VFD Drive stands as a robust solution for precise motor speed control across a wide array of industrial applications. This variable frequency drive (VFD) boasts exceptional performance, advanced control algorithms, and user-friendly operation, making it a preferred choice for engineers and system integrators seeking efficiency and reliability. Its core advantages lie in its comprehensive motor control capabilities, energy-saving features, and adaptable design, catering to demanding operational environments. Key technical parameters include a 2.2 kW (3 HP) power rating, 380-440V input voltage, and a maximum output frequency of 600 Hz, underscoring its capacity for high-performance tasks.

INVT GD20-022G-4 Product Specifications

| Parameter              | Specification                |

| :--------------------- | :--------------------------- |

| Model                  | GD20-022G-4                  |

| Power Rating           | 2.2 kW (3 HP)                |

| Input Voltage          | 380-440V AC (3-Phase)        |

| Output Voltage         | 380-440V AC (3-Phase)        |

| Rated Current          | 5.0 A                        |

| Max. Output Frequency  | 600 Hz                       |

| Control Method         | V/f, Vector Control          |

| Protection Class       | IP20                         |

| Dimensions (H x W x D) | 170 x 140 x 137 mm           |

| Ambient Temperature    | -10°C to +40°C               |

Core Features & Market Positioning

The INVT GD20-022G-4 distinguishes itself in the competitive VFD market through its dual control modes, offering both V/f control for general applications and advanced vector control for enhanced dynamic performance and torque accuracy, particularly under varying loads. This versatility allows the GD20 series to efficiently manage a broad spectrum of motor types and operational demands, from simple fan and pump applications to complex machinery requiring precise speed and torque regulation. Its market positioning is further solidified by its robust build quality, comprehensive protection features, and a user-friendly interface that simplifies setup and troubleshooting. The drive's inherent energy-saving capabilities, achieved through precise frequency and voltage modulation, translate directly into reduced operational costs for end-users, a critical factor in industrial procurement decisions.

Key Application Scenarios

Engineers frequently deploy the INVT GD20-022G-4 in scenarios demanding meticulous speed regulation and energy efficiency. Its adaptability makes it ideal for HVAC systems, including fans and pumps, where precise flow and pressure control are paramount to optimize energy consumption. In the manufacturing sector, the GD20-022G-4 is a common choice for conveyor systems, packaging machinery, and processing equipment, ensuring consistent product movement and operational throughput. Furthermore, its high output frequency capability makes it suitable for high-speed spindle applications in machine tools and other specialized industrial processes that require rapid and accurate rotational speed adjustments.

Practical System Integration Guidance

Integrating the INVT GD20-022G-4 into existing industrial systems is streamlined due to its standard mounting dimensions and accessible terminal blocks. Proper wiring is crucial for optimal performance and safety; ensure the power supply is correctly connected to the L1, L2, L3 terminals and the motor to U, V, W. For control signal wiring, utilize the designated input/output terminals for digital inputs, analog inputs, and relay outputs according to the application's requirements. Basic parameter programming often involves setting motor rated current, voltage, frequency, and selecting the appropriate control mode (V/f or vector). For vector control, motor auto-tuning is a vital step to calibrate the drive to the specific motor's characteristics, ensuring maximum performance and protection.

Operation and Risk Mitigation

Operating the INVT GD20-022G-4 requires adherence to electrical safety standards and manufacturer guidelines. Before powering on, always verify that all connections are secure and that the motor is correctly wired. The drive offers multiple protection functions to mitigate operational risks, including overcurrent, overvoltage, undervoltage, overload, and motor thermal protection. Common fault codes, such as E1 (Overcurrent), E2 (Overvoltage), E3 (Undervoltage), and E5 (Overload), indicate specific issues that need to be addressed according to the user manual, often involving parameter adjustments or component inspection. Regular maintenance, including keeping ventilation areas clear and checking terminal tightness, is essential to prevent premature failure and ensure continuous, safe operation.

Scalability & Long-Term Value

The INVT GD20-022G-4 drive offers significant long-term value through its inherent scalability and compatibility with broader industrial automation trends. Its modular design and support for common communication protocols, such as Modbus RTU, facilitate seamless integration with Programmable Logic Controllers (PLCs) and Supervisory Control and Data Acquisition (SCADA) systems, enabling sophisticated process control and data logging. This integration is key for implementing Industrial Internet of Things (IIoT) strategies, allowing for remote monitoring, predictive maintenance, and optimization of plant-wide operations. The GD20 series is designed to accommodate future system expansions, ensuring that investments in motor control technology remain relevant and productive for years to come.

Frequently Asked Questions

What is the primary function of the INVT GD20-022G-4 VFD?

The INVT GD20-022G-4 VFD's primary function is to control the speed and torque of AC induction motors by varying the frequency and voltage of the power supply. This precise control leads to significant energy savings and improved process performance in various industrial applications.

This drive offers both V/f and vector control modes, allowing for versatile application suitability. Its robust design ensures reliable operation in demanding industrial environments.

The core benefit is enhanced operational efficiency, reduced wear on machinery, and optimized energy consumption, directly impacting operational costs.

How do I perform a motor auto-tune on the INVT GD20-022G-4?

Motor auto-tune is a critical step for optimal vector control performance on the GD20-022G-4. Ensure the motor is connected and all relevant motor parameters are accurately entered into the drive first.

Access the auto-tune function via the drive's keypad or through communication interface, typically by setting a specific parameter to initiate the process. Follow the on-screen prompts carefully.

The auto-tune process calibrates the VFD to the motor's unique electrical characteristics, ensuring precise speed and torque control, motor protection, and efficient operation under dynamic load conditions.

What are the typical applications for the INVT GD20-022G-4?

The INVT GD20-022G-4 is widely used in HVAC systems for variable speed control of fans and pumps, optimizing airflow and water pressure while reducing energy usage. It is also common in material handling systems, such as conveyors, and in packaging machinery.

This VFD is suitable for textile machinery, printing equipment, and machine tools that require precise speed regulation for consistent product quality and operational efficiency. Its 2.2 kW rating is ideal for medium-duty applications.

Its ability to provide accurate torque control and handle varying loads makes it an excellent choice for processing equipment, extruders, and other industrial machinery where consistent output is crucial.

What is the input voltage range for the INVT GD20-022G-4?

The INVT GD20-022G-4 is designed for a three-phase input voltage of 380-440V AC. This voltage range is standard in many industrial power grids worldwide, making the drive broadly compatible with common power supplies.

It is crucial to ensure that the available power supply matches this specified voltage range to prevent damage to the drive or incorrect operation. Always verify your site's voltage before installation.

This specific model's voltage compatibility simplifies integration into existing three-phase industrial electrical infrastructure without the need for complex voltage conversion systems.

How does the GD20-022G-4 handle overload conditions?

The GD20-022G-4 incorporates built-in electronic overload protection, typically set as a percentage of the motor's rated current. This feature monitors the motor current and will trip the drive to prevent damage if it exceeds safe limits for a sustained period.

The drive will typically display an "Overload" fault code (e.g., E5) and stop the motor when this protection is triggered. The trip time is often configurable based on the severity of the overload to allow for temporary surges.

Users should consult the product manual for specific overload settings, trip curves, and reset procedures. Proper motor sizing and application analysis are key to minimizing frequent overload events.

What communication protocols does the INVT GD20-022G-4 support?

The INVT GD20-022G-4 typically supports Modbus RTU communication protocol as a standard option. This allows for seamless integration into industrial automation networks and remote control via PLCs or HMI systems.

This standard protocol enables digital communication for parameter setting, monitoring of drive status, and receiving operational commands, facilitating centralized control and data acquisition.

For advanced integration or specific network requirements, optional communication cards might be available for other protocols, expanding its connectivity options for diverse automation architectures.

What is the IP rating of the INVT GD20-022G-4, and what does it mean for installation?

The INVT GD20-022G-4 has an IP20 rating. This signifies that the drive is protected against solid objects greater than 12.5mm (like a finger) but offers no protection against water ingress.

Due to its IP20 rating, the drive should be installed in a clean, dry environment, typically within an control panel or enclosure, to protect it from dust, moisture, and accidental contact.

Adequate ventilation must be provided within the enclosure to dissipate heat generated during operation, preventing overheating and ensuring the longevity of the drive.

Can the INVT GD20-022G-4 be used with single-phase motors?

The INVT GD20-022G-4 is designed to control three-phase AC motors. It converts the incoming three-phase power to a variable frequency and voltage output suitable for driving these motors.

It is not designed for direct connection to single-phase motors. Attempting to do so could result in motor damage, drive malfunction, and potential safety hazards.

For single-phase motor applications, you would need to use a VFD specifically designed for single-phase motors or consider replacing the motor with a three-phase equivalent.

What is the maximum output frequency of the INVT GD20-022G-4?

The INVT GD20-022G-4 drive is capable of achieving a maximum output frequency of 600 Hz. This high frequency output allows for very high-speed motor operation, suitable for applications like machine tool spindles.

This capability enables precise control over a wide speed range, from very low speeds for applications requiring high torque to very high speeds for increased throughput or specific process requirements.

The ability to reach 600 Hz extends the drive's applicability to specialized industrial processes and machinery that demand fast and accurate rotational speeds beyond typical pump or fan applications.

What safety precautions should be taken when installing or operating the GD20-022G-4?

Always disconnect the main power supply before performing any wiring or maintenance on the INVT GD20-022G-4. Ensure proper grounding of both the drive and the motor for electrical safety and noise reduction.

Utilize appropriate personal protective equipment (PPE) during installation and operation. Be aware of the drive's internal DC bus capacitor, which can store a dangerous charge even after power is removed.

Follow all local electrical codes and manufacturer guidelines. Never operate the drive without proper motor protection settings and ensure adequate ventilation to prevent overheating.