DANFOSS VLT FC100 HVAC Drive

• Controlling fans in air handling units to maintain optimal airflow and pressure.
• Managing pumps in heating and cooling systems to regulate fluid flow and system pressure.
• Optimising compressor operation in refrigeration and chiller plants for energy efficiency.
• Controlling variable air volume (VAV) boxes in commercial buildings for zone-specific climate control.

Typical power range

Units in this series typically range from 0.25 kW to 400 kW, suitable for various HVAC applications.

Voltage compatibility

Commonly found with 3-phase supply voltages of 200-240V, 380-480V, or 525-690V.

Control method

Features advanced VVC+ (Voltage Vector Control) for precise motor control and energy savings.

Enclosure rating

Often available with IP20/Chassis, IP21/NEMA 1, or IP54/NEMA 12 ratings, depending on the installation environment.

Communication protocols

Typically supports common HVAC protocols such as BACnet, Modbus RTU, and Metasys N2 for building management system integration.

Harmonic mitigation

Often includes integrated DC link chokes to reduce harmonic distortion, meeting relevant standards.

• What is the primary benefit of using a VLT FC100 HVAC Drive?

  The main benefit is significant energy savings by precisely matching motor speed to demand, reducing wear on mechanical components, and improving overall system control.

• Can this drive be used with existing HVAC motors?

• Does this unit require specialist installation?

• What kind of maintenance does a VLT FC100 typically need?

• Is this drive suitable for outdoor installations?

HVAC drives and controllers are valued for reliable temperature and humidity regulation in controlled laboratory environments. Buyers typically prioritise units with precise calibration history and minimal downtime records. When purchasing used equipment, inspecting control boards, sensor functionality and documentation of maintenance schedules proves essential. These systems gain strong reputation for durability when properly serviced, though older models may lack advanced digital interfaces. Compatibility with existing facility infrastructure remains a common purchasing consideration.

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