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134N2221 Danfoss VLT AQUA Drive FC 200 11 KW / 15 HP, 380 - 480 VAC, IP20
MPN: 134N2221
Alt. SKU: FC-202P11KT4E20H1TXXXXXSXXXXALBXCXXXXDX
Why Choose the Danfoss 134N2221 VLT® HVAC Drive FC 102?
The Danfoss 134N2221 is a high-performance VLT® HVAC Drive FC 102 variable frequency drive (VFD) designed for precise, energy-efficient control of motors in heating, ventilation and air conditioning systems. Built with advanced Danfoss technology, it delivers reliable operation, optimised energy consumption and long-term performance in demanding building services environments.
As part of the VLT® HVAC Drive series, this model includes intelligent HVAC-specific functions that simplify installation and commissioning. Its integrated control features and communication capabilities enable seamless connection with building management systems, ensuring efficient and flexible operation.
With a rated output power of 22 kW and a three-phase 380–480 V AC supply, the 134N2221 is ideal for larger HVAC systems including pumps, fans and compressors operating under continuous load conditions.
Key Advantages
- Dedicated HVAC variable frequency drive for building services applications.
- 22 kW motor power rating for higher capacity systems.
- Three-phase 380–480 V AC input for industrial and commercial installations.
- Advanced energy optimisation reduces operational costs.
- Integrated HVAC functionality eliminates the need for external controllers.
- Reliable long-term performance in critical infrastructure environments.
Key Features
- Danfoss VLT® HVAC Drive FC 102 series.
- 22 kW rated output power.
- 45 A nominal output current.
- Three-phase 380–480 V AC input supply.
- Integrated PID controller for precise HVAC regulation.
- Automatic Energy Optimisation for reduced energy consumption.
- Built-in RFI filters and advanced EMC performance.
- Support for BACnet and other BMS communication protocols.
- IP20 enclosure for panel mounting.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC 102
- Model: 134N2221
- Product type: AC variable frequency drive
- Rated output power: 22 kW
- Rated output current: 45 A
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Frequency: 50 / 60 Hz
- Protection rating: IP20
- Mounting type: Panel / cabinet mounting
- Cooling method: Forced air cooling
- Operating temperature: up to 50 °C without derating
- Weight: approx. 8.0 kg
Optimised HVAC Motor Control
The Danfoss VLT® HVAC Drive FC 102 is specifically engineered to control motors in HVAC systems with maximum efficiency. By adjusting motor speed to match system demand, it significantly reduces energy consumption and operating costs while improving system reliability.
Its intelligent control capabilities and built-in application functions make it an ideal solution for modern buildings requiring efficient, flexible and reliable climate control systems.
Typical Applications
- HVAC fans and ventilation systems.
- Chilled water and heating pumps.
- Air handling units (AHUs).
- Cooling towers and compressors.
- Building management systems.
- Commercial and industrial climate control systems.
Frequently Asked Questions
What is the Danfoss 134N2221 used for?
This drive is used to control motors in HVAC systems such as fans, pumps and compressors.
What motor power does this drive support?
The drive supports motors with a rated output power of approximately 22 kW.
What supply voltage does it require?
The 134N2221 operates from a three-phase 380–480 V AC supply.
Does it include HVAC-specific control features?
Yes, it includes features such as PID control, energy optimisation and dedicated HVAC application functions.
Can it integrate with building management systems?
Yes, it supports communication protocols such as BACnet for seamless integration with BMS platforms.
Trusted by HVAC Engineers Worldwide
Danfoss VLT® HVAC Drives are trusted globally for delivering reliable, energy-efficient motor control in modern building services and critical infrastructure.
| Manufacturer Part Number | 134N2221 |
|---|---|
| Barcode | 5710107874811 |
| Height | 399mm |
| Width | 165mm |
| Depth | 249mm |
| Filter | Filter Included |
| Degree of protection (IP) | IP20 |
| KW Rating | 11kW |
| VSD Range | Danfoss VLT AQUA Drive FC 200 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-202P11KT4E20H1TXXXXXSXXXXALBXCXXXXDX |
This unit is designed for water and wastewater applications and has a variety of powerful features, with add-ons which can enhance performance. These drives are suited to new or retrofit projects.
Adding motor control to pumps and blowers used for water and wastewater treatment means it's easier to handle variable workloads. This drive provides between 10% and 30% savings in the first year alone, when compared to traditional drives, as it offers low maintenance costs and energy consumption.
The quick and user-friendly setup of water and pump settings reduces installation time ensuring a fast route to maximum energy efficiency and motor control.
Supply voltages and power range
1 x 200-240 V...1.1-22 kW
1 x 380-480 V...7.5-37 kW
3 x 200-240 V...0.25-45 kW
3 x 380-480 V...0.37 kW – 1 MW
3 x 525-600 V...0.75-90 kW
3 x 525-690 V...45 kW – 1.4 MW
Low harmonic drive
3 x 380-480 V...132-710 kW
12-pulse drive
3 x 380-690...250-1400 kW
Features and benefits
- Assets are protected thanks to specially designed software that prevents, for example, water hammering
- Energy efficiency is maximized as a result of the drives control algorithms and design which focus on reducing heat loss
- High energy savings related to air conditioning are ensured due to the unique back-channel-cooling concept that transfers 90% of heat away from the room
- Electromagnetic interference and harmonic distortion are reduced thanks to the built-in, scalable RFI filter and integrated DC link chokes
- Perfect system integration and adaptation to the application are possible due to freely programmable warnings and alerts
- 3–8% energy savings are achieved as a result of Automatic Energy Optimization
Applications
Centrifugal pumps and blowers, positive displacement blowers.
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For further information on this product please get in touch with our team or visit the Danfoss website.