DANFOSS FC-111PK75T4P20H2XXCXXXSXXXXAXBXCXXXXDX 0.75kW 2.2A Three Phase 480V FC-111 VFD P20

The DANFOSS FC-111PK75T4P20H2XXCXXXSXXXXAXBXCXXXXDX 0.75kW 2.2A Three Phase 480V FC-111 VFD P20 is a highly efficient Variable Frequency Drive (VFD) designed for demanding industrial applications. This unit boasts a robust power output of 0.75kW and a 2.2A current rating, operating seamlessly on a three-phase 480V power supply. Its advanced features ensure precise motor control, significant energy savings, and enhanced operational reliability, making it a superior choice for a wide array of motor-driven systems.

Product Specifications

| Parameter             | Specification                                  |

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

| Model Number          | FC-111PK75T4P20H2XXCXXXSXXXXAXBXCXXXXDX        |

| Power Output          | 0.75 kW                                        |

| Rated Current         | 2.2 A                                          |

| Voltage               | 480V, Three Phase                              |

| Enclosure Type        | IP20 (standard, open chassis)                  |

| Filter                | P20 (integrated filter for EMC compliance)     |

| Control Type          | V/f, Vector Control, Advanced Sensorless Vector |

| Communication Options | Built-in options, Expandable modules           |

| Ambient Temperature   | -10°C to +50°C (derating may apply)             |

| Approvals             | UL, CE, CSA (typical for this series)          |

Core Features & Market Positioning

The DANFOSS FC-111PK75T4P20H2XXCXXXSXXXXAXBXCXXXXDX stands out in the competitive VFD market due to its superior motor control algorithms, including advanced sensorless vector control, which provides excellent torque performance even at low speeds. This capability is crucial for applications requiring precise speed and torque regulation, offering a distinct advantage over VFDs with simpler control methods. The integrated P20 filter ensures compliance with electromagnetic compatibility (EMC) standards, simplifying installation in sensitive environments and reducing the need for external filtering components. Danfoss's reputation for robust design and reliable performance positions the FC-111 series as a dependable solution for critical industrial processes, emphasizing longevity and reduced maintenance.

Key Application Scenarios

This 0.75kW VFD is exceptionally well-suited for a variety of industrial applications where precise motor speed control and energy efficiency are paramount. Common uses include HVAC systems for maintaining optimal airflow and temperature control, minimizing energy consumption in commercial buildings. It is also widely deployed in pump applications, enabling variable flow rates to match demand, thereby saving energy and reducing mechanical stress on the system. Conveyor systems benefit from the precise speed adjustments offered by the FC-111, ensuring smooth material handling and process synchronization. Furthermore, its robust design makes it ideal for general machine control in manufacturing environments, including small fans, mixers, and extruders.

Practical System Integration Guidance

Integrating the DANFOSS FC-111PK75T4P20H2XXCXXXSXXXXAXBXCXXXXDX into existing systems is streamlined by its standard VFD design and comprehensive documentation. For wiring, ensure that the incoming three-phase power (L1, L2, L3) is connected to the designated input terminals, and the motor leads (T1, T2, T3) are connected to the output terminals. Grounding should be securely established to the chassis ground terminal for safety and optimal EMC performance. The commissioning process typically involves setting basic motor parameters, such as motor nameplate voltage, current, frequency, and RPM, within the VFD's programming interface. For advanced control, parameters related to acceleration/deceleration ramps and speed setpoints can be configured via the keypad or digital/analog inputs.

Operation and Risk Mitigation

Safe operation of the DANFOSS FC-111PK75T4P20H2XXCXXXSXXXXAXBXCXXXXDX necessitates adherence to electrical safety standards and proper handling. Always ensure the VFD is de-energized and lockout/tagout procedures are followed before performing any wiring or maintenance. Common troubleshooting involves checking for error codes displayed on the VFD's interface; for instance, "Overcurrent" faults (e.g., F-001) often indicate a motor issue or an acceleration ramp that is too fast, requiring adjustment of the acceleration time. "Overvoltage" faults (e.g., F-002) might point to issues with the DC bus capacitor or regeneration, especially if the motor is decelerating a heavy load. Consulting the VFD's manual for specific fault code explanations and recommended corrective actions is crucial for minimizing downtime and preventing equipment damage.

Scalability & Long-Term Value

The FC-111 series, including the FC-111PK75T4P20H2XXCXXXSXXXXAXBXCXXXXDX, offers inherent scalability through its compatibility with Danfoss's broader ecosystem of control and communication options. Expansion modules can be easily added to support various industrial fieldbus protocols (e.g., Profibus, DeviceNet, Ethernet/IP), enabling seamless integration into existing SCADA or DCS systems for advanced monitoring and control. This adaptability ensures that the VFD can remain a valuable component even as plant automation strategies evolve towards Industry 4.0 principles, supporting IIoT integration for predictive maintenance and performance optimization. The robust construction and Danfoss's commitment to product development provide long-term value through reliable operation and the availability of firmware updates and technical support.

FAQs

What is the primary function of the DANFOSS FC-111PK75T4P20H2XXCXXXSXXXXAXBXCXXXXDX?

The main purpose of this VFD is to precisely control the speed and torque of a three-phase motor. It achieves this by converting fixed frequency and voltage AC power into variable frequency and voltage AC power supplied to the motor.

This VFD enables significant energy savings by allowing motor speed to be adjusted according to the actual load demand, rather than running at full speed constantly. It also provides soft start and stop capabilities, reducing mechanical stress on the motor and connected equipment.

The DANFOSS FC-111PK75T4P20H2XXCXXXSXXXXAXBXCXXXXDX is designed for applications requiring dynamic motor control, such as pumps, fans, and conveyors, optimizing process efficiency and equipment lifespan.

How do I connect the motor to the DANFOSS FC-111 VFD?

Connect the three motor output terminals (typically labeled U, V, W or T1, T2, T3) to the corresponding motor leads. Ensure a secure connection to prevent electrical arcing or power loss during operation.

Always verify the motor's nameplate data and ensure it matches the VFD's output capabilities and configured motor parameters for optimal performance and safety. Proper grounding of both the VFD and the motor is essential for safety and electromagnetic compatibility.

Refer to the VFD's installation manual for detailed wiring diagrams and terminal assignments specific to the FC-111 series. Incorrect wiring can lead to VFD damage or motor failure.

What are common error codes for the DANFOSS FC-111 VFD?

A common error is "Overcurrent" (often indicated by F-001), which can occur if the motor draws too much current, possibly due to a sudden load increase or rapid acceleration. Another frequent code is "Overvoltage" (e.g., F-002), often seen during deceleration when the motor acts as a generator.

Other possible faults include "Over-temperature" (F-003), signaling that the VFD's internal temperature has exceeded safe limits, typically due to poor ventilation or high ambient temperatures, and "Motor Overload" (F-004), which protects the motor from sustained excessive current draw.

Troubleshooting these codes involves checking the specific fault description in the VFD's manual, verifying motor parameters, ensuring adequate cooling, and adjusting acceleration/deceleration ramps. Some faults may require a VFD reset after the underlying issue is resolved.

Can the DANFOSS FC-111PK75T4P20H2XXCXXXSXXXXAXBXCXXXXDX be used for fan applications?

Yes, the FC-111 VFD is highly suitable for fan applications, offering precise speed control to match airflow requirements. This leads to significant energy savings by avoiding operation at maximum speed when not needed.

Fan applications benefit from the VFD's ability to provide a soft start, gradually increasing fan speed to prevent sudden surges in airflow and reduce mechanical stress on the fan and ductwork.

The advanced sensorless vector control ensures excellent performance even with varying fan loads, maintaining stable operation and contributing to overall system efficiency and longevity.

What is the significance of the P20 in the model number?

The "P20" designation typically indicates that the VFD is equipped with an integrated Class A filter (EN 61800-3 Category C2/C3). This filter is crucial for electromagnetic compatibility (EMC), helping to reduce radio frequency interference emitted by the VFD.

This integrated filtering simplifies installation by meeting strict EMC regulations without the need for external filters in many applications, thereby reducing installation time and cost. It is particularly beneficial in environments where electromagnetic disturbances must be minimized.

For applications with even more stringent EMC requirements, or in certain installation categories, additional external filtering might still be necessary, but the P20 filter provides a strong baseline level of compliance.

What are the voltage and phase requirements for this VFD?

This specific model, the DANFOSS FC-111PK75T4P20H2XXCXXXSXXXXAXBXCXXXXDX, is designed for a three-phase power supply operating at 480V. It is crucial to ensure that the incoming power source meets these exact specifications for proper operation and to prevent damage to the VFD.

Connecting this VFD to a single-phase power source or a different voltage level (e.g., 208V or 600V) will result in malfunction or irreparable damage. Always verify the site's power supply before installation and configuration.

The three-phase input ensures a stable and robust power delivery to the VFD, which then efficiently converts it to variable power for the motor, optimizing its performance across a range of speeds.

How does this VFD contribute to energy savings?

This VFD achieves energy savings by precisely matching motor speed to the actual load requirement of the driven equipment, such as pumps or fans. Instead of running at full speed and wasting energy, the VFD slows the motor down when less output is needed.

The power consumed by an AC motor is roughly proportional to the cube of its speed. Therefore, even a small reduction in speed can lead to significant energy savings. For example, running a fan at 80% speed can reduce power consumption by nearly 50%.

By optimizing motor speed in real-time, the DANFOSS FC-111 VFD minimizes energy waste, reducing electricity bills and contributing to a more sustainable operation for industrial facilities.

What are the typical applications for a 0.75kW VFD like this?

A 0.75kW VFD is commonly used for controlling smaller to medium-sized motors in various industrial and commercial settings. Typical applications include small pumps for water circulation, fans in HVAC systems, and smaller conveyor belts in manufacturing or logistics.

It is also ideal for applications requiring precise speed control and torque management, such as small machine tools, mixers, blenders, and various types of processing equipment where variable output is beneficial.

The 2.2A rating and 480V operation make it suitable for systems that require a robust yet compact drive solution for these specific power levels and voltage configurations.

What is the IP rating of the DANFOSS FC-111PK75T4P20H2XXCXXXSXXXXAXBXCXXXXDX?

The "H2" in the model number, and often indicated by an IP20 rating, signifies an open-chassis design. This means the VFD is protected against solid objects greater than 12.5 mm in diameter but has no protection against water ingress.

An IP20 enclosure is typically suitable for installation within a control cabinet or enclosed space where it is protected from environmental elements like dust, moisture, and accidental contact. Good ventilation within the cabinet is essential for cooling the VFD.

For applications requiring higher levels of protection against dust or moisture, such as wash-down areas or environments with significant airborne contaminants, a VFD with a higher IP rating (e.g., IP54 or IP66) or an appropriately rated enclosure would be necessary.

Can this VFD be programmed remotely?

Yes, the DANFOSS FC-111 VFD series supports remote programming and control capabilities. This is typically achieved through optional communication cards or by utilizing the VFD's built-in serial communication ports if available.

External control systems, such as PLCs or SCADA systems, can interface with the VFD to adjust speed setpoints, monitor operational status, and configure parameters remotely. This is crucial for automated industrial processes and centralized control rooms.

The ability to program and monitor the VFD remotely enhances operational flexibility, reduces the need for on-site adjustments, and contributes to efficient plant management, especially in large or complex facilities.