DANFOSS FC-111PK37T4P20H2XXCXXXSXXXXAXBXCXXXXDX 0.37kW 1.2A VLT AQUA Drive 3AC 480V Standard

The DANFOSS FC-111PK37T4P20H2XXCXXXSXXXXAXBXCXXXXDX, a 0.37kW VLT AQUA Drive, represents a significant advancement in motor control technology for water and wastewater applications. This standard 3-phase, 480V AC drive boasts a 1.2A rating and is engineered for unparalleled efficiency and reliability. Its core advantages lie in its advanced water-specific features, reduced energy consumption, and robust design, making it a leading choice for municipal and industrial water management. Key technical parameters include its power rating of 0.37 kW, a nominal current of 1.2A, and an input voltage range of 3x 480V AC.

Product Specifications

| Parameter             | Specification                                         |

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

| Model Number      | FC-111PK37T4P20H2XXCXXXSXXXXAXBXCXXXXDX                  |

| Power Rating      | 0.37 kW                                               |

| Rated Current     | 1.2 A                                                 |

| Voltage           | 3 x 480V AC                                           |

| Drive Type        | VLT AQUA Drive                                        |

| Enclosure Rating  | IP20 (Standard, requires external protection)         |

| Filter Type       | Integrated RFI Filter (Class A)                       |

| Brake Chopper     | Integrated                                            |

| Cooling Method    | Fan Cooling                                           |

| Communication     | Slot-based, supporting various fieldbus protocols     |

| Programming       | Dedicated AQUA setup, VLT Programming language        |

| Certifications    | UL, CSA, CE                                           |

Core Features & Market Positioning

The DANFOSS FC-111PK37T4P20H2XXCXXXSXXXXAXBXCXXXXDX distinguishes itself through its specialized AQUA firmware, which is meticulously optimized for pump and fan applications common in water and wastewater treatment. This specialized programming offers advanced control algorithms that minimize energy usage by precisely matching motor speed to system demand, leading to substantial operational cost savings. Its integrated RFI filter (Class A) and brake chopper enhance system performance and safety, reducing the need for external components and simplifying installation. The VLT AQUA Drive series is widely recognized in the industry for its reliability, ease of use, and robust performance in harsh environmental conditions, positioning it as a premium, yet cost-effective, solution for demanding water sector operations.

Key Application Scenarios

This VLT AQUA Drive is purpose-built for a multitude of water and wastewater applications, including raw water supply, sewage pumping, and distribution networks. Its precise speed control is ideal for maintaining constant pressure in water distribution systems, preventing water hammer and reducing energy waste. In wastewater treatment, it facilitates optimized aeration and sludge pumping, contributing to improved process efficiency and reduced chemical consumption. Municipalities and industrial facilities alike leverage the FC-111PK37T4P20H2XXCXXXSXXXXAXBXCXXXXDX for its ability to adapt to fluctuating demand, ensuring reliable water delivery and treatment while maximizing energy efficiency across various pumping and fan control scenarios.

Practical System Integration Guidance

Integrating the DANFOSS FC-111PK37T4P20H2XXCXXXSXXXXAXBXCXXXXDX into existing systems is streamlined by its user-friendly design and comprehensive documentation. For power wiring, ensure the supply voltage matches the drive's rating (3x 480V AC) and connect to the designated L1, L2, and L3 terminals. Motor connections are made to terminals T1, T2, and T3. Proper grounding is essential; connect the protective earth conductor to the grounding terminal. The drive's IP20 rating necessitates enclosure in a suitable control panel to protect against environmental factors and ensure operator safety.

Commissioning the VLT AQUA Drive involves initial parameter setup via the integrated control panel or through PC-based software like Danfoss VLT Software Suite. Key parameters to configure include motor data (pole count, rated power, rated current, rated frequency, rated voltage), application type (pump/fan optimization), and desired control mode (e.g., V/f, flux optimization, or closed-loop vector control if a feedback device is used). For optimal performance, it is recommended to run the motor auto-tuning function.

Advanced system integration can involve utilizing the drive's modular design for communication with SCADA systems or building management platforms. The drive supports various fieldbus options through plug-in modules, allowing seamless integration with protocols like Modbus, Profibus, or BACnet. This enables remote monitoring, control, and data acquisition, crucial for modern smart water infrastructure.

Operation and Risk Mitigation

Safe operation of the DANFOSS FC-111PK37T4P20H2XXCXXXSXXXXAXBXCXXXXDX requires adherence to electrical safety standards and the drive's operating manual. Always ensure the power supply is disconnected before performing any wiring or maintenance. Utilize the integrated brake chopper for applications requiring frequent stops or high braking torque to prevent motor overspeed and mechanical stress. The drive's internal diagnostic functions provide real-time status and fault reporting.

Common troubleshooting scenarios often revolve around parameter misconfiguration or external component issues. For instance, "Overcurrent" faults (e.g., fault code 4) can indicate incorrect motor data, a short circuit, or an overloaded condition. "Overvoltage" or "Undervoltage" faults (e.g., fault codes 2 and 3) suggest issues with the power supply. Always consult the VLT AQUA Drive User Manual for a comprehensive list of fault codes and detailed troubleshooting procedures.

To mitigate risks, regularly inspect the drive for signs of wear or damage, particularly in humid or dusty environments. Ensure adequate ventilation within the control panel to prevent overheating, as the drive relies on fan cooling. Performing routine software updates for the drive's firmware can also enhance stability and address potential vulnerabilities.

Scalability & Long-Term Value

The DANFOSS FC-111PK37T4P20H2XXCXXXSXXXXAXBXCXXXXDX is designed for long-term value and scalability, offering flexibility for future system upgrades. Its modular design allows for the easy addition of communication options, I/O expansion cards, or specialized function modules to adapt to evolving control requirements or new communication standards. This ensures that the drive remains a relevant component even as plant infrastructure is modernized.

Integration with Industrial Internet of Things (IIoT) platforms is readily achievable through the drive's communication capabilities. By connecting to a suitable fieldbus network and gateway, operational data such as energy consumption, motor status, and performance metrics can be streamed to cloud-based analytics platforms. This enables predictive maintenance, remote diagnostics, and sophisticated performance optimization, contributing to the overall efficiency and intelligence of water management systems.

The inherent energy-saving features of the VLT AQUA Drive contribute to significant long-term cost reductions through lower electricity bills. Combined with its robust construction and Danfoss's reputation for durability, this drive offers a compelling return on investment, minimizing downtime and maintenance requirements over its extended operational lifespan.

Frequently Asked Questions

Q: What are the primary benefits of the DANFOSS FC-111PK37T4P20H2XXCXXXSXXXXAXBXCXXXXDX?

The drive offers specialized AQUA firmware for water applications. It significantly reduces energy consumption by matching motor speed to demand precisely. Its robust design ensures high reliability in demanding environments.

This VLT AQUA Drive provides advanced control algorithms for optimized pump and fan performance. It also features integrated safety components, simplifying system design. Its efficient operation lowers overall operational costs.

The drive offers substantial operational cost savings through precise speed control. It also minimizes wear and tear on mechanical components. This leads to extended equipment lifespan and reduced maintenance.

Q: How does the VLT AQUA Drive FC-111PK37T4P20H2XXCXXXSXXXXAXBXCXXXXDX handle power fluctuations?

The drive is designed for a nominal input of 480V AC, 3-phase. It incorporates internal voltage monitoring and protection features. It can also be configured with external components for wider voltage tolerance if needed.

It can tolerate minor voltage deviations within its operating range. For significant fluctuations, it's advisable to consult the manual for specific settings. Proper power supply conditioning may be required in unstable grids.

The drive has built-in undervoltage and overvoltage protection. These functions help prevent damage to the drive and connected motor. Critical faults will be logged, and the drive will shut down safely.

Q: Can this DANFOSS drive be used for applications other than water and wastewater?

While optimized for water, its core functionality supports general pump and fan control. The AQUA firmware offers specific benefits for these fluid dynamics applications. Other applications might require parameter adjustments.

Its inherent variable speed drive capabilities are transferable to other industries. Consider HVAC systems or general industrial processes needing precise motor speed control. However, specialized features may not be utilized.

For applications outside water and wastewater, a general-purpose VLT drive might be more cost-effective. However, if precise flow or pressure control is paramount, the AQUA drive remains a strong contender.

Q: What are the typical installation requirements for the FC-111PK37T4P20H2XXCXXXSXXXXAXBXCXXXXDX?

Install the drive in a clean, dry environment with adequate ventilation. Ensure it's mounted vertically to facilitate natural convection cooling. Maintain clearances as specified in the manual for airflow.

The drive requires a suitable enclosure, typically an IP-rated control panel, due to its IP20 rating. Ensure proper grounding of the drive and motor for safety and EMC compliance. Follow all local electrical codes.

Ensure the power supply voltage and frequency match the drive's specifications. Connect the motor leads according to the wiring diagram. Avoid installing near sources of excessive heat or electromagnetic interference.

Q: What kind of motor data needs to be programmed into the drive?

You must program the motor's rated power and rated voltage. Also, input the rated current and rated frequency. The motor's pole count is also a crucial parameter.

Accurately input the motor's nominal speed and power factor. This data is vital for the drive to optimize performance and efficiency. Ensure these values match the motor nameplate.

The drive performs an auto-tuning procedure using this motor data. This process calibrates the drive to the specific motor characteristics for optimal control. Double-check all entries for accuracy.

Q: How can I connect the DANFOSS FC-111PK37T4P20H2XXCXXXSXXXXAXBXCXXXXDX to a SCADA system?

Utilize the drive's optional communication interface modules. These modules support various fieldbus protocols like Modbus, Profibus, or Ethernet/IP. Select the appropriate module for your SCADA system.

Connect the chosen fieldbus cable from the module to your SCADA network. Configure the drive's communication parameters and the SCADA system to establish communication. Refer to the fieldbus manual for specific addressing and configuration.

The drive can transmit critical operational data. This includes motor speed, load, energy consumption, and fault status. This enables remote monitoring and control via the SCADA interface.

Q: What are common fault codes for this VLT AQUA Drive?

Fault code 4 typically indicates an overcurrent condition. Fault code 2 signifies an overvoltage fault. Fault code 3 relates to an undervoltage fault.

Fault code 5 usually means the motor is overloaded. Fault code 1 often points to a general hardware fault. Consult the user manual for a complete list and specific causes.

Troubleshooting involves checking motor connections, load conditions, and power supply stability. Parameter settings, especially motor data, are also common sources of faults. Always follow the manual's diagnostic steps.

Q: Is the DANFOSS FC-111PK37T4P20H2XXCXXXSXXXXAXBXCXXXXDX suitable for variable speed pump applications?

Yes, it is specifically designed for variable speed pump applications. The AQUA firmware includes optimized pump control algorithms. It allows for precise speed adjustments to match flow and pressure demands.

The drive enables soft starting and stopping, reducing mechanical stress on pumps and pipes. This controlled acceleration and deceleration prevent water hammer. It also contributes to energy savings by avoiding constant full-speed operation.

Its ability to maintain constant pressure or flow makes it ideal for building services, municipal water supply, and irrigation. The VLT AQUA Drive ensures efficient and reliable pump operation in these scenarios.

Q: What is the IP rating of the DANFOSS FC-111PK37T4P20H2XXCXXXSXXXXAXBXCXXXXDX?

The specific model FC-111PK37T4P20H2XXCXXXSXXXXAXBXCXXXXDX has an IP20 rating. This means it is protected against solid objects larger than 12.5mm. It offers no protection against water ingress.

Due to its IP20 rating, the drive must be installed within a suitable enclosure. This enclosure protects the drive from dust, moisture, and physical contact. Ensure the enclosure meets the environmental requirements of the installation site.

The enclosure's ventilation is critical for the drive's cooling performance. Proper airflow is necessary to prevent overheating and ensure the drive operates within its specified temperature range.

Q: What does the '37T4P' in the model number signify?

The '37' in the model number indicates the power rating, which is 0.37 kW. This is a key specification for matching the drive to the motor's output power requirement. It denotes a smaller frame size drive.

The 'T4' signifies the voltage rating of the drive, specifically for a 480V AC supply. This is crucial for ensuring compatibility with the electrical power infrastructure of the installation site. It confirms it's a 3-phase 480V unit.

The 'P' in this context often denotes specific built-in features or options, such as an integrated brake chopper. These characters within the model number provide a shorthand for the drive's core electrical and functional characteristics.