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131B7749 Danfoss VLT FC-102 HVAC Drive 11 KW / 15 HP, 380 - 480 VAC, IP55
MPN: 131B7749
Alt. SKU: FC-102P11KT4P55H1XGX1XXSXXXXAXBXCXXXXDX
Why Choose the Danfoss 131B7749 VLT® HVAC Drive?
The Danfoss 131B7749 is a robust and energy-efficient AC variable frequency drive (VFD) designed specifically for heating, ventilation and air conditioning applications. As part of the highly regarded Danfoss VLT® HVAC Drive FC 102 series, it delivers precise motor control, improved energy savings and reliable performance across a wide range of commercial and industrial HVAC systems.
Engineered for pumps, fans, air handling units and building management systems, the FC 102 series combines advanced HVAC functionality with intuitive operation. Built-in application-specific features help reduce installation time, simplify commissioning and optimise overall system efficiency.
With a rated output power of 11 kW (15 HP) and a three-phase 380–480 V AC supply, the Danfoss 131B7749 is ideally suited for demanding HVAC environments. Its IP55 / Type 12 enclosure provides excellent protection, allowing installation in challenging industrial and commercial locations.
Key Advantages
- Dedicated HVAC variable frequency drive for pumps, fans and ventilation systems.
- 11 kW / 15 HP power rating suitable for commercial and industrial applications.
- Three-phase 380–480 V AC input for standard industrial power networks.
- IP55 / Type 12 enclosure for enhanced environmental protection.
- Integrated mains disconnect switch for safer maintenance and isolation.
- Optimises motor performance while reducing energy consumption and operating costs.
Key Features
- Danfoss VLT® HVAC Drive FC 102 series.
- 11 kW (15 HP) rated output power.
- 21 A continuous output current.
- Three-phase 380–480 V AC input supply.
- IP55 / Type 12 backplate enclosure.
- RFI Class A1/B (C1) filter for EMC compliance.
- Graphical Local Control Panel (LCP).
- Integrated mains disconnect.
- Designed specifically for HVAC applications.
- Frame size B1 construction.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC 102
- Model: 131B7749
- Model Code: FC-102P11KT4P55H1XGX1XXSXXXXAXBXCXXXXDX
- Product type: AC variable frequency drive
- Rated output power: 11 kW / 15 HP
- Continuous output current: 21 A
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Protection rating: IP55 / Type 12
- RFI filter: Class A1/B (C1)
- Control panel: Graphical Local Control Panel
- Mains option: Integrated mains disconnect
- Frame size: B1
- Dimensions (H × W × D): approx. 494 × 243 × 261 mm
- Weight: approx. 22.3 kg
Advanced HVAC Motor Control
The Danfoss FC 102 HVAC Drive is purpose-built for building services and HVAC applications. By regulating motor speed according to system demand, it helps significantly reduce energy consumption while improving process control, occupant comfort and equipment lifespan.
The drive incorporates specialised HVAC features including fan and pump optimisation functions, energy monitoring and advanced control capabilities. These features enable building operators and system integrators to maximise operational efficiency and minimise maintenance requirements.
Typical Applications
- HVAC ventilation systems.
- Air handling units (AHUs).
- Chilled water and condenser pumps.
- Cooling towers.
- Building management systems.
- Commercial and industrial fan control.
- Heating and refrigeration installations.
- Energy-efficient building automation projects.
Frequently Asked Questions
What is the Danfoss 131B7749 used for?
The Danfoss 131B7749 is designed for HVAC applications including fan, pump, ventilation and air handling systems where efficient motor speed control is required.
What motor power is supported by this drive?
The drive is rated for 11 kW (15 HP) motor applications.
What supply voltage does the drive require?
The 131B7749 operates from a three-phase 380–480 V AC supply.
Does the drive include a control panel?
Yes, it is supplied with a Graphical Local Control Panel (LCP) for configuration, monitoring and operation.
What enclosure protection does the drive offer?
The drive features an IP55 / Type 12 enclosure, providing enhanced protection against dust and environmental conditions.
Trusted by HVAC Professionals Worldwide
Danfoss VLT® HVAC Drives are widely used by building services engineers, facilities managers and system integrators to deliver reliable motor control, reduced energy consumption and dependable HVAC system performance.
| Manufacturer Part Number | 131B7749 |
|---|---|
| Barcode | 5702427360631 |
| Height | 480mm |
| Width | 242mm |
| Depth | 260mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP55 |
| KW Rating | 11kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P11KT4P55H1XGX1XXSXXXXAXBXCXXXXDX |
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.