INVT GD270-004-4 Advanced Inverter Drive
The INVT GD270-004-4 is an advanced inverter drive engineered for demanding industrial applications, offering a robust solution for motor control with a focus on fan and pump systems. This drive delivers exceptional energy efficiency, flexible configuration, and enhanced reliability, making it a superior choice for optimizing operational performance and reducing costs. Its core advantages lie in its specialized design for fan and pump applications, advanced vector control, and comprehensive protection features, ensuring smooth, efficient, and long-lasting operation.
Product Specifications
| Feature | Specification |
| :----------------------- | :------------------------------------------------ |
| Model | GD270-004-4 |
| Power Output | 4 kW / 5 HP |
| Input Voltage | AC 3-Phase 380V-480V |
| Input Frequency | 50/60 Hz (47-63 Hz range) |
| Output Frequency | 0-400 Hz |
| Rated Output Current | 9.5 A |
| Overload Capacity | 110% for 60 seconds |
| Operating Temperature | -10°C to +50°C (derating required above 40°C) |
| Storage Temperature | -30°C to +60°C |
| Ambient Humidity | 0-95% RH (non-condensing) |
| Altitude | Up to 1000m (derating required above 1000m) |
| Protection Level | IP20 |
| Cooling Method | Forced air cooling (for 2.2kW and higher) |
| Motor Compatibility | Synchronous and Asynchronous Motors |
| Communication Interfaces | RS485 (Modbus-RTU), optional Profibus-DP, Profinet, CANopen, Ethernet/IP, Modbus-TCP |
| Safety Function | Safe Torque Off (STO) available on -EU models |
Core Features & Market Positioning
The INVT GD270-004-4 positions itself as a high-performance, cost-effective solution for fan and pump applications. Its market advantage stems from its dedicated fan and pump functionalities, including integrated HVAC functions that simplify installation and commissioning. This "install and play" approach significantly reduces setup time and labor costs. Furthermore, the drive's compatibility with both synchronous and asynchronous motors broadens its application scope, offering greater flexibility for users. The GD270 series is recognized for its advanced vector control algorithms and energy-saving technologies, particularly its ECO energy-saving control algorithm, which optimizes performance and minimizes energy consumption, especially under varying load conditions. The inclusion of enhanced PCB coating provides superior protection against harsh environmental factors, ensuring long-term operational reliability.
Key Application Scenarios
The INVT GD270-004-4 excels in a wide array of industrial sectors, with a particular emphasis on systems requiring precise and efficient fluid management. Its specialized design makes it ideal for:
Wastewater Treatment: Efficiently controls pumps for optimal flow and effluent management. HVAC Systems: Provides precise temperature and airflow control in commercial and industrial buildings, contributing to energy savings. Municipal Water Supply and Heating: Manages water pressure and distribution in large-scale systems, ensuring consistent supply and reducing wear on pumps through features like anti-water hammer and frost protection. Chemical and Metallurgical Industries: Offers reliable motor speed control in process-critical applications where precision and stability are paramount. Electric Power Industry: Supports critical pumping and ventilation systems within power generation facilities. Building Automation: Enables smart water supply systems, managing multiple pumps for efficiency and longevity, as demonstrated in smart water supply solutions.
Practical System Integration Guidance
Integrating the INVT GD270-004-4 into existing systems is streamlined by its design and available documentation. The drive supports a book-type design for easy installation and a compact structure within control cabinets. For electrical installation, standard wiring practices should be followed, ensuring proper grounding and connection of motor and power supply cables. The drive offers flexible expansion capabilities with dual slots for communication and I/O expansion cards, supporting major industrial fieldbuses like Profibus-DP, Profinet, and CANopen. For models with the Safe Torque Off (STO) function, specific wiring instructions must be followed using shielded wires, and jumpers need to be removed from H1/H2 terminals before activation. Users can refer to the comprehensive INVT GD270 series manuals for detailed wiring diagrams and parameter settings, ensuring correct configuration for optimal performance.
Operation and Risk Mitigation
Operating the INVT GD270-004-4 involves understanding its advanced features and safety protocols. The drive includes dedicated functions for fan and pump applications, such as automatic desilting and frost protection, which enhance operational efficiency and reduce maintenance needs. For risk mitigation, the Safe Torque Off (STO) function, available on specific models, provides a direct safety mechanism to immediately disconnect motor power, preventing unexpected starts and ensuring personnel safety during maintenance.
Common troubleshooting can often be resolved by consulting the fault code list within the user manual. Frequent issues might relate to parameter misconfigurations, motor compatibility, or environmental conditions. For instance, if operating above 40°C, derating is necessary to prevent overheating. The drive also incorporates advanced protection features, including overcurrent, overvoltage, undervoltage, overtemperature, and phase loss protection, to safeguard both the drive and the connected motor.
Scalability & Long-Term Value
The INVT GD270-004-4 is designed for long-term value and scalability, offering robust integration capabilities and support for emerging industrial technologies. Its dual expansion slots allow for the addition of communication cards (e.g., Profinet, CANopen) and I/O expansion modules, enabling seamless integration with supervisory control and data acquisition (SCADA) systems and the Industrial Internet of Things (IIoT) platforms. This adaptability ensures that the drive can evolve with changing system requirements and industry standards.
The availability of optional built-in DC reactors and output AC reactors provides flexibility in meeting harmonic requirements, further enhancing system performance and compliance. Moreover, INVT's commitment to product development means that the GD270 series can be part of a larger automation ecosystem, offering future-proof solutions and a significant return on investment through energy savings and extended equipment lifespan.
Frequently Asked Questions
Q1: What are the primary benefits of using the INVT GD270-004-4 inverter drive?
The INVT GD270-004-4 offers significant energy savings through its ECO control algorithm. It provides enhanced operational reliability with its robust PCB coating and wide voltage design. The drive simplifies installation and commissioning with integrated fan and pump functions.
Q2: In which industries can the INVT GD270-004-4 be effectively applied?
This inverter drive is highly suitable for wastewater treatment plants, HVAC systems, and municipal water supply networks. It also finds application in chemical, metallurgical, and electric power industries. Its features benefit building automation and general industrial processes.
Q3: Does the INVT GD270-004-4 support advanced motor control modes?
Yes, the GD270-004-4 supports advanced vector control for both synchronous and asynchronous motors. This enables precise speed and torque regulation, improving motor efficiency and performance across various loads.
Q4: How does the GD270-004-4 handle environmental challenges?
The drive features a thickened protective coating on its circuit board for enhanced resistance to harsh environments. It also includes specific functions like frost protection and fire ride-through for critical applications like water pumps.
Q5: What communication protocols are supported by the INVT GD270-004-4?
Standard communication is via RS485 Modbus-RTU. The drive also supports optional expansion cards for Profibus-DP, Profinet, CANopen, Ethernet/IP, and Modbus-TCP, allowing integration into diverse industrial networks.
Q6: Is the Safe Torque Off (STO) function available on the GD270-004-4?
The Safe Torque Off (STO) function is available on specific "-EU" models of the GD270 series. This feature is crucial for safety-critical applications, allowing for immediate and safe motor shutdown.
Q7: What are the power and voltage specifications for the GD270-004-4?
The GD270-004-4 has an output power of 4 kW (5 HP). It operates on a 3-phase AC input voltage range of 380V to 480V. Its rated output current is 9.5A.
Q8: Can the INVT GD270-004-4 be used with variable speed drives in water supply systems?
Absolutely. The GD270 is optimized for pump applications and is used in smart water supply systems for constant pressure control. It enables energy savings and extends motor life through features like pump cycling.
Q9: What is the operating temperature range for the INVT GD270-004-4?
The drive is designed to operate in ambient temperatures from -10°C to +50°C. However, derating is required when the ambient temperature exceeds 40°C to maintain optimal performance and prevent overheating.
Q10: How does the GD270-004-4 contribute to system reliability and longevity?
Its enhanced PCB coating, wide voltage design, and comprehensive protection functions (overcurrent, overvoltage, etc.) ensure reliable operation. Features like anti-water hammer and frost protection also extend the lifespan of connected equipment.
