DANFOSS FC-111P5K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX 5.5kW 12A VLT AQUA Drive 3AC 480V

The DANFOSS FC-111P5K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX 5.5kW 12A VLT AQUA Drive is a powerhouse in modern water and wastewater management, engineered for unparalleled efficiency and reliability. This Variable Frequency Drive (VFD) delivers precise motor control, significantly reducing energy consumption in demanding applications. Its robust design and advanced features, including an IP20 enclosure, 480V 3-phase input, and a 5.5kW (7.5 HP) power rating, make it an ideal choice for pump and fan control in municipal and industrial settings. The drive boasts a nominal current of 12A, ensuring ample capacity for a wide range of operational demands.

Product Specifications

| Parameter                | Value                                              |

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

| Manufacturer             | Danfoss                                            |

| Product Series           | VLT AQUA Drive FC 100                               |

| Model Number             | FC-111P5K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX            |

| Power Rating             | 5.5 kW (7.5 HP)                                    |

| Input Voltage            | 3 x 480 VAC                                        |

| Input Frequency          | 50/60 Hz                                           |

| Output Current (Nominal) | 12 A                                               |

| Enclosure                | IP20                                               |

| Control Type             | Variable Frequency Drive (VFD)                     |

| Application Focus        | Water and Wastewater Pumps and Fans                |

| Protection Class         | IP20                                               |

| Motor Control            | Advanced Vector Control, V/f Control               |

| Communication Options    | Various fieldbus options (user configurable)       |

| Harmonic Distortion      | Built-in DC choke for reduced harmonic distortion |

Core Features & Market Positioning

The DANFOSS FC-111P5K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX distinguishes itself through its specialized design for water and wastewater applications, a key differentiator in a crowded VFD market. Its integrated harmonic mitigation features, such as the built-in DC choke, reduce electromagnetic interference and comply with stringent power quality standards, minimizing the need for external filters. This drive is positioned as a premium solution offering superior energy savings, extended equipment lifespan, and advanced control capabilities for variable torque loads commonly found in pumping systems. The VLT AQUA Drive family is renowned for its reliability and efficiency, making it a trusted choice for critical infrastructure.

Key Application Scenarios

This VLT AQUA Drive is exceptionally suited for a wide array of water and wastewater management tasks. Its precise speed control is vital for maintaining constant pressure in water distribution networks, optimizing energy use in building services, and managing flow rates in sewage treatment plants. Typical applications include driving centrifugal pumps for raw water intake, managing effluent pumps in wastewater treatment, controlling circulation pumps in HVAC systems, and operating fans in ventilation systems where precise airflow is required. The 5.5kW rating and 12A output current make it a versatile choice for medium-sized pump and fan installations.

Practical System Integration Guidance

Integrating the DANFOSS FC-111P5K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX into existing systems is streamlined by its user-friendly interface and comprehensive documentation. The IP20 enclosure requires installation in a control cabinet, providing protection against solid objects larger than 12.5mm. For power connections, ensure compliance with local electrical codes, connecting the 3-phase 480V supply to the L1, L2, L3 terminals and the motor to U, V, W. Configuration is typically performed via the drive's keypad or through Danfoss's MCT 10 software, allowing for parameter adjustment of motor data, ramp times, and control modes.

Operation and Risk Mitigation

Safe operation of the DANFOSS FC-111P5K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX hinges on adherence to installation and operational guidelines. Before maintenance, always disconnect the power supply and allow time for capacitors to discharge. Common troubleshooting involves checking motor parameters and ensuring correct wiring. While specific fault codes are extensive, error codes related to overcurrent, overvoltage, or undervoltage typically indicate issues with the motor load, power supply stability, or drive configuration. Proper ventilation within the control cabinet is critical to prevent overheating, as the IP20 rating offers no protection against liquids.

Scalability & Long-Term Value

The VLT AQUA Drive platform offers significant long-term value through its inherent scalability and compatibility. While the FC-111P5K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX is a 5.5kW unit, the broader FC 100 series allows for seamless upgrades to higher power ratings as system demands evolve, ensuring future-proofing. Danfoss also provides various communication option cards, enabling integration with supervisory control and data acquisition (SCADA) systems and the burgeoning Industrial Internet of Things (IIoT) landscape, facilitating remote monitoring, diagnostics, and predictive maintenance strategies. This adaptability maximizes return on investment over the drive's operational life.

Frequently Asked Questions

What is the primary function of the DANFOSS FC-111P5K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX?

This drive's main role is to control the speed of AC motors in water and wastewater systems. It optimizes energy consumption by matching motor speed to the actual demand, unlike fixed-speed operation.

It allows for precise regulation of pumps and fans, leading to consistent system performance and reduced wear and tear on equipment. This control also helps in meeting environmental regulations by optimizing resource usage.

The VLT AQUA Drive is specifically engineered for the variable torque loads characteristic of pump and fan applications. Its advanced algorithms ensure smooth acceleration and deceleration, protecting the motor and connected machinery.

How does the DANFOSS FC-111P5K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX save energy?

It achieves energy savings by precisely adjusting motor speed to match the required output. This is far more efficient than using a bypass or throttling valve.

By slowing down pumps and fans when demand is low, the drive significantly reduces electricity usage. This variable speed capability is the core of its energy-saving performance.

The drive's advanced control algorithms and efficient power electronics minimize internal energy losses, further contributing to overall system efficiency and reduced operational costs.

What are the key technical specifications of this VLT AQUA Drive?

The drive is rated for 5.5kW (7.5 HP) and operates on a 3-phase, 480V AC power supply. It has a nominal output current of 12 Amps.

Its enclosure is rated IP20, suitable for installation within a control cabinet to protect against dust and solid objects. The drive supports advanced motor control methods.

It features built-in harmonic mitigation capabilities, such as a DC choke, to improve power quality and reduce electromagnetic interference in the system.

Can the DANFOSS FC-111P5K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX be used for applications other than water and wastewater?

While optimized for water and wastewater, its capabilities extend to other variable torque applications. It can be used for general-purpose fan and pump control in HVAC or industrial processes.

Any application requiring variable speed control for AC motors with similar power and voltage requirements can potentially utilize this drive. This includes ventilation systems, circulation pumps, and other fluid handling tasks.

However, for constant torque or very high dynamic applications, other Danfoss drive series might offer more specialized features. It is essential to match the drive's capabilities to the specific motor and load requirements.

What are the typical installation requirements for this drive?

Installation requires mounting the drive in a clean, dry environment, ideally within a control cabinet due to its IP20 rating. Adequate ventilation for the cabinet is crucial for heat dissipation.

Electrical connections must be made by qualified personnel, following local electrical codes. Proper grounding of the drive and motor is essential for safety and performance.

The drive needs to be protected from excessive vibration and extreme temperatures. Ensure sufficient space around the drive for airflow and access for maintenance.

How is the DANFOSS FC-111P5K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX programmed?

Programming is typically done using the drive's built-in control panel and intuitive menu structure. This allows for basic parameter adjustments.

For more advanced configuration, diagnostics, and parameter management, Danfoss provides dedicated software like MCT 10. This software can be used via a connection cable to a PC or laptop.

Fieldbus communication options also allow for remote programming and parameter setting via a central control system, enabling integration into automated plant operations.

What kind of motor control does this VLT AQUA Drive offer?

This drive offers advanced control algorithms, including a robust V/f (Volts per Hertz) control mode for simpler applications. It also features advanced vector control for more precise motor speed and torque regulation.

The advanced vector control provides excellent dynamic performance and accurate speed holding, even with varying loads. This is particularly beneficial for optimizing pump and fan performance.

These control modes ensure efficient motor operation, smooth starting and stopping, and accurate speed response to system demand changes.

What are the benefits of the built-in DC choke?

The DC choke helps to reduce harmonic distortion on the input power line. This improves the overall power quality and can prevent interference with other sensitive electronic equipment.

It also reduces peak currents in the DC link capacitors, which can extend their lifespan and improve the drive's reliability. This contributes to a more stable operation.

By mitigating harmonics, the drive can help facilities comply with utility regulations regarding power factor and harmonic emissions, avoiding potential penalties.

What safety precautions should be observed when operating this drive?

Always ensure the drive is properly grounded. Never operate the drive without a motor connected and properly wired.

Before performing any maintenance or wiring changes, always disconnect the main power supply and wait for the internal capacitors to discharge. Refer to the manual for discharge times.

Use appropriate personal protective equipment (PPE) when working with electrical equipment. Ensure qualified personnel perform all installations, wiring, and maintenance.

How does this drive integrate with IIoT and digital solutions?

The drive can be equipped with optional communication cards that enable connectivity to various industrial networks. These include protocols like Modbus, Profibus, and Ethernet/IP.

This connectivity allows for integration into SCADA systems for remote monitoring, control, and data logging. It enables real-time performance tracking and diagnostics.

Through these digital interfaces, the drive can be part of a larger IIoT ecosystem, supporting predictive maintenance, energy management systems, and smart factory initiatives.