Why Choose the Danfoss 131H9751 VLT HVAC Drive?
The Danfoss 131H9751 is a robust and highly reliable AC variable frequency drive (VFD) designed for precise speed and torque control of three-phase motors in heating, ventilation and air conditioning systems. As part of the advanced Danfoss VLT® HVAC Drive FC 102 series, it is specifically developed for HVAC engineers, building services contractors and facilities managers seeking efficient motor control and seamless automation integration.
This drive provides advanced HVAC motor control functionality while helping improve system performance and energy efficiency. The VLT HVAC Drive FC 102 series includes built-in features for pumps, fans and compressors, making it easy to integrate with building management systems and industrial automation platforms. Its protected enclosure format supports dependable operation in commercial and industrial HVAC environments.
With a rated output power of 11 kW and a three-phase 380-480 V AC supply, the 131H9751 is ideal for medium HVAC motors used in air handling units, circulation pumps, ventilation systems and compressor applications. The drive’s IP55 / Type 12 enclosure, LonWorks MCA 108 communication option and graphical local control panel make it a practical choice for protected HVAC installations requiring building automation connectivity.
Key Advantages
- Robust variable frequency drive designed for HVAC applications.
- 11 kW motor power rating suitable for pumps, fans and compressors.
- Three-phase 380-480 V AC input compatible with industrial power systems.
- IP55 / Type 12 enclosure for protected HVAC installations.
- LonWorks MCA 108 communication option for building automation networks.
- Integrated EMC filtering helps reduce electrical interference.
- Efficient motor control improves energy performance and HVAC productivity.
Key Features
- Danfoss VLT® HVAC Drive FC 102 series.
- 11 kW rated output power.
- 15 HP motor rating.
- 24 A nominal output current.
- Three-phase 380-480 V AC input supply.
- IP55 / Type 12 enclosure.
- RFI Class A2 (C3) integrated filter.
- No brake chopper configuration.
- Graphical Local Control Panel included.
- LonWorks MCA 108 communication option fitted.
- Not coated PCB.
- No mains option.
- Latest release standard software.
- B1 frame size.
Reliable Motor Control for HVAC Systems
Variable frequency drives such as the Danfoss VLT HVAC Drive FC 102 regulate motor speed by adjusting output voltage and frequency. This allows HVAC systems to operate more efficiently while improving process precision and reducing mechanical stress on motors, pumps, fans and drive components.
The FC 102 series is designed for building services engineers and HVAC automation specialists. Its dedicated HVAC features, protected enclosure format, LonWorks communication capability and graphical control interface allow seamless integration into modern heating, ventilation, cooling and building management systems.
Typical Applications
- Air handling units and ventilation systems.
- Heating and chilled water circulation pumps.
- Commercial HVAC plant rooms.
- Industrial ventilation and extraction systems.
- Cooling towers and refrigeration equipment.
- Building automation and energy management systems.
