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131B4221 Danfoss VLT FC-102 HVAC Drive 1.1 KW / 1.5 HP, 380 - 480 VAC, IP55
MPN: 131B4221
Alt. SKU: FC-102P1K1T4E55H1XGXXXXSXXXXAXBXCXXXXDX
Why Choose the Danfoss 131B4221 VLT® HVAC Drive FC-102?
The Danfoss 131B4221 is a compact and dependable VLT® HVAC Drive FC-102 frequency converter designed for efficient variable speed control in heating, ventilation, air conditioning and refrigeration applications. As part of the proven Danfoss VLT® HVAC Drive FC-102 series, this drive is engineered to deliver reliable motor control, improved energy efficiency and stable HVAC system performance in professional building services installations.
The FC-102 range is purpose-built for HVAC environments and provides advanced control for fans, pumps, compressors and air handling equipment. Its dedicated HVAC functionality helps optimise airflow, pressure and process control while reducing mechanical stress on motors and connected equipment.
With a rated output power of 1.1 kW / 1.5 HP and a three-phase 380-480 V AC supply, the Danfoss 131B4221 is suitable for small HVAC motor applications. The drive is supplied in an IP55 / Type 12 enclosure with an A5 frame size, RFI Class A1/B (C1) filtering and a graphical local control panel for straightforward commissioning and operation.
Key Advantages
- Reliable VLT® HVAC Drive FC-102 frequency converter for HVAC motor control.
- 1.1 kW / 1.5 HP power rating for small fans, pumps and building services equipment.
- Three-phase 380-480 V AC input for common industrial and commercial power systems.
- IP55 / Type 12 enclosure for enhanced protection in demanding environments.
- Integrated RFI Class A1/B (C1) filtering to support EMC performance.
- Graphical local control panel for straightforward setup, monitoring and operation.
Key Features
- Danfoss VLT® HVAC Drive FC-102 series.
- 1.1 kW / 1.5 HP rated output power.
- Three-phase 380-480 V AC supply.
- IP55 / Type 12 enclosure.
- A5 frame size for compact installation.
- Graphical Local Control Panel included.
- RFI Class A1/B (C1) filter configuration.
- No brake chopper and no mains option configuration.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC-102
- Part number: 131B4221
- Model code: FC-102P1K1T4E55H1XGXXXXSXXXXAXBXCXXXXDX
- Product type: Frequency converter / HVAC variable speed drive
- Rated output power: 1.1 kW / 1.5 HP
- Input voltage: 380-480 V AC
- Input phases: Three phase
- Enclosure rating: IP55 / Type 12
- Frame size: A5
- Continuous current: approx. 2.7-3 A
- Intermittent current: approx. 2.97-3.3 A
- Power loss: approx. 58 W
- RFI filter: H1 RFI Filter / Class A1/B (C1)
- Brake chopper: No brake chopper
- Control panel: Graphical Local Control Panel
- PCB coating: Not coated PCB
- Mains option: No mains option
- Adaptation A: Standard cable entries
- Adaptation B: No adaptation
- A option: No A option
- B option: No B option
- C1 option: No C1 option
- D option: No D option
- Software: Latest release standard software
- Software language pack: Standard language pack
- Dimensions (H × W × D): 420 × 242 × 200 mm
- Net weight: 11.09 kg
- Gross weight: 11.706 kg
- Volume: 39.798 L
- EAN: 5702427226753
Efficient Motor Control for HVAC Systems
Variable speed drives such as the Danfoss VLT® HVAC Drive FC-102 regulate motor speed by adjusting the frequency and voltage supplied to the motor. This allows HVAC systems to match motor output to real operating demand, helping reduce energy use while maintaining stable airflow, pressure and temperature control.
The Danfoss 131B4221 is designed for professional HVAC installations where compact size, dependable performance and simple commissioning are required. Its IP55 / Type 12 enclosure, graphical control interface and dedicated HVAC functionality make it suitable for plant rooms, commercial buildings and industrial facilities.
Typical Applications
- HVAC fan and ventilation systems.
- Air handling units and building services equipment.
- Pump control in heating and cooling systems.
- Small refrigeration and chiller plant applications.
- Commercial and industrial HVAC installations.
- Energy-efficient motor control for facilities management systems.
Frequently Asked Questions
What is the Danfoss 131B4221 used for?
The Danfoss 131B4221 is used to control AC motor speed in HVAC applications such as fans, pumps, air handling units, heating systems and refrigeration equipment.
What power rating does this drive provide?
This VLT® HVAC Drive FC-102 has a rated output power of 1.1 kW / 1.5 HP.
What supply voltage does the Danfoss 131B4221 require?
The drive is designed for a three-phase 380-480 V AC supply.
What enclosure rating does this drive have?
The Danfoss 131B4221 is supplied with an IP55 / Type 12 enclosure, providing enhanced protection for demanding HVAC and industrial control environments.
What RFI filter is included with this drive?
This configuration includes an H1 RFI Filter / Class A1/B (C1), supporting enhanced EMC performance in suitable HVAC installations.
Trusted by HVAC Engineers Worldwide
Danfoss VLT® HVAC Drive FC-102 drives are widely used by building services engineers, HVAC specialists and facilities managers to deliver dependable motor control, efficient operation and long-term system reliability.
| Manufacturer Part Number | 131B4221 |
|---|---|
| Barcode | 5702427226753 |
| Height | 420mm |
| Width | 242mm |
| Depth | 200mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP55 |
| KW Rating | 1.1kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P1K1T4E55H1XGXXXXSXXXXAXBXCXXXXDX |
The VLT HVAC drive has built-in intelligence to give optimal process control to heating, ventilation and air conditioning (HVAC). It is simple to use and extremely cost-efficient, featuring a number of functions that are ideal for use with pumps, fans and compressors to save energy, meet environmental regulations and reduce costs in modern buildings.
The VLT HVAC drive has a compact, robust design and is ideally suited to locations where space is restricted. A selection of safety features, such as Safe Torque Off and Safe Maximum Speed, protect both applications and their operators.
Enclosures can be purchased separately, up to IP66, and an additional option available upon purchase is a unique coating to provide added protection for the circuit boards. Integrated DC chokes and RFI filters safeguard installations by minimizing harmonic distortion and electromagnetic.
Supply voltages and power range
3 x 200-240 V...1.1-45 kW
3 x 380-480 V...1.1 kW – 1 MW
3 x 525-600 V...1.1-90 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 380-480 V...250-200kW
Features and benefits
- There’s no need for external cooling or oversizing as the maximum ambient temperature is 50°C without derating
- PLC capacity is often unnecessary thanks to the Smart Logic Controller
- A low initial investment and easy upgrades are possible thanks to the modular concept with a wide range of options
- The need for external control and conversion equipment is avoided due to integrated pump, fan and compressor functionality
- 5–15% energy is saved as a result of the Automatic Energy Optimization function
- Less gateway solutions are needed thanks to a wide range of HVAC protocols for building management system controller connectivity
Applications
Pumps, fans, compressors.
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For further information on this product please get in touch with our team or visit the Danfoss website.