The DANFOSS FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX 7.5kW 15.5A 480V Three Phase AQUA VFD Control is a high-performance variable frequency drive engineered for demanding water and wastewater applications. This VFD offers robust motor control, energy efficiency, and advanced features designed to optimize pumping system performance and reliability. Key advantages include its superior IP66/IP67 rating for harsh environments, integrated RFI filtering, and advanced cascade control capabilities, ensuring precise flow and pressure management. With a power rating of 7.5kW, a maximum current of 15.5A, and an operating voltage of 480V for three-phase systems, the FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX is built for sustained operation in challenging conditions.
Product Specifications
| Parameter | Value |
| :-------------------- | :--------------------------------------- |
| Product Series | FC 111 AQUA VFD |
| SKU | FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX |
| Power Rating | 7.5 kW |
| Rated Current | 15.5 A |
| Input Voltage | 480V, Three Phase |
| Output Voltage | 480V, Three Phase |
| Enclosure Rating | IP66 / IP67 |
| Protection Features | Integrated RFI Filter (Class A) |
| Control Type | V/f, Vector Control |
| Communication Options | Extended, Fieldbus options available |
| Ambient Temperature | -25°C to +50°C (derating above +40°C) |
| Mounting | Wall or direct motor mounting |
Core Features & Market Positioning
The DANFOSS FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX distinguishes itself in the market through its exceptional environmental robustness and specialized water industry features. Its IP66/IP67 enclosure provides superior protection against dust and water ingress, making it ideal for exposed installations common in water and wastewater treatment plants. The integrated RFI filtering (Class A) is crucial for preventing electromagnetic interference with other sensitive equipment, a common concern in industrial settings. Danfoss's expertise in variable speed drives is evident in the FC 111's advanced control algorithms, including sophisticated cascade control that enables precise management of multiple pumps to maintain constant pressure or flow, thereby reducing energy consumption and wear on the system. This focus on reliability, energy efficiency, and specialized functionality positions the FC 111 AQUA VFD as a premium solution for professionals seeking to optimize water infrastructure.
Key Application Scenarios
This AQUA VFD is exceptionally suited for a wide array of water and wastewater management tasks. Its robust design and advanced control features make it a prime choice for pump applications such as raw water supply, treated water distribution, and wastewater effluent pumping. The VFD's ability to precisely control motor speed is critical for maintaining stable system pressures in distribution networks, thereby minimizing water hammer effects and reducing energy expenditure. Furthermore, its suitability for variable torque loads, characteristic of centrifugal pumps, allows for significant energy savings compared to fixed-speed operation. This makes the DANFOSS FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX an excellent investment for municipal water utilities, industrial process water systems, and irrigation facilities looking to enhance efficiency and operational stability.
Practical System Integration Guidance
Integrating the DANFOSS FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX into existing systems is facilitated by its user-friendly design and comprehensive documentation. For installation, ensure the VFD is mounted in a location that allows for adequate ventilation and is protected from excessive dust and moisture, adhering to its IP66/IP67 rating. Wiring should be performed by qualified personnel, paying close attention to the three-phase input and output connections, as well as proper grounding to mitigate electrical noise. Commissioning involves configuring the drive's parameters, such as motor data, desired speed ranges, and control modes (e.g., V/f or vector control). For pump applications, it is highly recommended to utilize the auto-tuning function to optimize motor performance for the specific pump and load characteristics. Setting up cascade control requires careful programming of the interconnected drives or using the VFD's built-in multi-pump functionality to maintain setpoint accuracy.
Operation and Risk Mitigation
Safe and efficient operation of the DANFOSS FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX is paramount. Always ensure that the VFD is correctly installed, grounded, and that all safety procedures are followed before powering up. During operation, monitor key parameters such as motor temperature, drive temperature, and current draw to identify potential issues early. Common fault codes, such as Overcurrent (F001), Overvoltage (F002), or Motor Over-temperature (F007), typically indicate a problem with the motor, load, or the drive's operating conditions and require immediate investigation. It is essential to consult the product manual for specific fault code definitions and recommended troubleshooting steps to mitigate risks and prevent equipment damage. Proper maintenance, including periodic cleaning of cooling fins and checking electrical connections, will ensure long-term reliability and prevent unexpected shutdowns.
Scalability & Long-Term Value
The DANFOSS FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX offers excellent scalability and long-term value for evolving industrial needs. Its modular design and support for various fieldbus communication protocols (e.g., Modbus, PROFIBUS) allow for seamless integration into SCADA systems and IIoT platforms, enabling remote monitoring, control, and data analytics. This connectivity facilitates predictive maintenance strategies and enhances overall plant efficiency. For multi-pump applications, the drive's cascade control capabilities can be expanded by networking multiple FC 111 units, allowing for a flexible and cost-effective upgrade path as demand increases. The robust construction and Danfoss's reputation for quality ensure a long operational lifespan, minimizing the total cost of ownership and providing a reliable foundation for critical water infrastructure.
Frequently Asked Questions
Q1: What are the primary benefits of using the DANFOSS FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX VFD?
This VFD offers superior energy efficiency by precisely matching motor speed to load demand, leading to significant cost savings. Its robust IP66/IP67 enclosure ensures reliable operation in harsh and wet industrial environments. The advanced control algorithms, including cascade control, optimize system performance and reduce mechanical stress on equipment.
The integrated RFI filter (Class A) minimizes electromagnetic interference, protecting sensitive control systems and ensuring compliance with industry standards. Its ease of integration and comprehensive parameter settings facilitate quick setup and customization for specific water and wastewater applications.
The drive's advanced diagnostic features and fault logging aid in proactive maintenance and rapid troubleshooting, minimizing downtime and extending equipment lifespan. This leads to a lower total cost of ownership.
Q2: How does the IP66/IP67 rating benefit the FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX in water applications?
The IP66/IP67 rating signifies exceptional protection against dust ingress and high-pressure water jets from any direction. This makes the VFD suitable for installation in exposed outdoor locations or washdown environments common in water treatment facilities. It eliminates the need for additional protective enclosures in many scenarios, reducing installation costs and complexity.
This high level of ingress protection ensures the internal electronic components are shielded from moisture, humidity, and particulate contamination, which are prevalent in water and wastewater pumping stations. This significantly enhances the drive's longevity and operational reliability in these challenging conditions.
By preventing water and dust intrusion, the IP66/IP67 rating directly contributes to preventing short circuits, corrosion, and component failure, thereby reducing maintenance requirements and the risk of unexpected operational disruptions.
Q3: Can the DANFOSS FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX control multiple pumps simultaneously?
Yes, the FC 111 AQUA VFD features advanced cascade control capabilities designed for managing multiple pumps. This allows it to maintain precise system pressure or flow by automatically adjusting the speed of interconnected pumps. It can act as a master or a slave unit within a pumping system.
This functionality is crucial for optimizing energy consumption and ensuring consistent water supply or pressure in larger distribution networks. By staging pumps based on demand, it prevents over-pumping and reduces wear on individual pump units.
The VFD can be programmed to manage up to four pumps in a system, offering significant flexibility for scaling and adapting to varying operational requirements in municipal and industrial water management.
Q4: What are the typical applications for the FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX in the water industry?
This VFD is ideally suited for raw water intake pumping, ensuring efficient transfer from source to treatment plants. It is also extensively used in treated water distribution systems to maintain constant pressure and flow to consumers. Its robust design makes it excellent for wastewater collection and effluent pumping applications.
The drive's ability to handle variable torque loads makes it a perfect fit for centrifugal pumps used in building services, such as boosting water pressure in high-rise structures or managing circulation in HVAC systems. Applications in irrigation and agricultural water management also benefit from its precise control.
Furthermore, it is applicable in industrial process water systems where consistent flow rates and pressures are critical for manufacturing operations. Its resistance to harsh environments makes it suitable for offshore water facilities as well.
Q5: How do I perform basic troubleshooting for common fault codes on the FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX?
When a fault occurs, first identify the specific fault code displayed on the VFD's keypad, such as F001 for overcurrent. Consult the product manual for the exact meaning of the code and the recommended troubleshooting steps for that particular issue. Ensure the motor and load are mechanically sound and that no obstructions are present.
Next, verify the electrical connections and ensure proper grounding. Check if the motor is correctly sized for the VFD and the application, and that the operating parameters are within the drive's specified limits. For overcurrent faults, verify that the motor is not stalled or overloaded.
If the fault persists after these checks, consider re-running the motor auto-tuning function to ensure optimal parameter settings. If the issue cannot be resolved, it is advisable to contact Danfoss technical support or a qualified service professional for further assistance.
Q6: What are the power and voltage specifications of the DANFOSS FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX?
The DANFOSS FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX has a nominal power rating of 7.5 kilowatts (kW). It is designed to operate with a three-phase input voltage of 480 Volts (V).
The drive can deliver a maximum continuous current of 15.5 Amperes (A) to the motor under its rated operating conditions. The output voltage will match the input voltage, typically 480V three-phase, depending on the motor speed.
This specific configuration is ideal for three-phase motors that fall within this power and current range and are designed to run on a 480V power supply common in industrial settings.
Q7: How do I ensure proper wiring and electrical installation for this VFD?
Always employ a qualified electrician to perform the wiring and installation. Ensure the power supply is de-energized before making any connections. Connect the three-phase input power to the designated terminals (L1, L2, L3) and the three-phase motor output to the corresponding terminals (T1, T2, T3).
Proper grounding is critical. Connect the protective earth (PE) terminal on the VFD to a reliable earth ground to prevent electrical hazards and minimize electromagnetic interference. Use appropriately sized conductors and circuit protection devices (fuses or circuit breakers) as specified in the installation manual.
For motor connections, use shielded cables if the motor is located far from the VFD, and ensure the motor frame is also properly grounded. Follow the specific wiring diagrams provided in the DANFOSS FC 111 installation manual for optimal and safe performance.
Q8: What is the significance of the integrated RFI filter on this VFD?
The integrated RFI (Radio Frequency Interference) filter helps to suppress electromagnetic noise generated by the VFD during operation. This is crucial for preventing interference with other sensitive electronic equipment operating in the vicinity, such as control systems, communication devices, or instrumentation.
By attenuating these high-frequency emissions, the RFI filter ensures that the VFD complies with relevant electromagnetic compatibility (EMC) standards, such as EN 61800-3. This is particularly important in densely populated industrial environments where multiple electrical devices are in close proximity.
This built-in feature simplifies installation by reducing the need for external RFI filtering components, saving space and installation costs. It contributes to a cleaner electrical system and more reliable operation of all connected equipment.
Q9: Can this VFD be integrated with industrial automation systems and the Industrial Internet of Things (IIoT)?
Yes, the DANFOSS FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX is designed for seamless integration with modern automation and IIoT platforms. It supports various communication protocols, including Modbus RTU and optional fieldbus modules for protocols like PROFIBUS DP or EtherNet/IP.
This connectivity enables remote monitoring of VFD parameters, such as speed, current, voltage, and fault status, from a central control room or cloud-based platform. It also allows for remote control of the VFD, including start/stop commands and speed adjustments.
By enabling data exchange with SCADA, PLC systems, and IIoT platforms, the VFD supports advanced functionalities like predictive maintenance, energy management optimization, and overall system performance analysis, driving operational efficiency and cost savings.
Q10: What is the operating temperature range for the DANFOSS FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX?
The DANFOSS FC-111P7K5T4P20H2XXCXXXSXXXXAXBXCXXXXDX operates within an ambient temperature range of -25°C to +50°C. This broad range allows for installation in various climates, from cold storage to moderately warm environments.
However, it's important to note that derating of the VFD's output current capacity is required when operating above +40°C. The specific derating curve or percentage should be consulted in the product's technical documentation to ensure the drive is not overloaded at higher temperatures.
Adequate ventilation is crucial for maintaining optimal operating temperatures, especially in enclosed spaces or during prolonged operation at high loads. Ensure the cooling fins are kept clean and unobstructed to facilitate efficient heat dissipation.