134G1964 Danfoss VLT® AQUA Drive FC-202 250kW/350 380 - 480 VAC IP20

Why Choose the Danfoss 134G1964 VLT HVAC Drive FC 102?

The Danfoss 134G1964 is a high-performance VLT HVAC Drive FC 102, engineered specifically for energy-efficient control of motors in heating, ventilation and air conditioning systems. Designed for reliability and optimised building performance, this variable frequency drive delivers precise motor control while significantly reducing energy consumption.

As part of the advanced FC 102 series, this drive includes intelligent features tailored for HVAC applications, such as built-in functions for pumps, fans and compressors. Its robust design ensures consistent performance in demanding environments, while simplified commissioning reduces installation time and costs.

With a rated output power of approximately 4 kW and a three-phase 380–480 V AC supply, the 134G1964 is ideal for medium-sized HVAC systems requiring efficient and reliable motor control.

Key Advantages

• Purpose-built HVAC variable frequency drive for energy optimisation.
• 4 kW motor power rating suitable for fans and pumps.
• Three-phase 380–480 V AC input for industrial and commercial installations.
• Integrated HVAC features for simplified system control.
• Energy savings through precise speed regulation.
• Reliable Danfoss design for long operational life.

Key Features

• Danfoss VLT HVAC Drive FC 102 series.
• 4 kW rated output power.
• Approx. 9 A nominal output current.
• Three-phase 380–480 V AC input supply.
• Built-in RFI filters for EMC compliance.
• Dedicated HVAC control functions (fan and pump control).
• Advanced PID controller for precise regulation.
• Optional communication modules for BMS integration.

Technical Specifications

• Manufacturer: Danfoss
• Series: VLT HVAC Drive FC 102
• Model: 134G1964
• Product type: AC variable frequency drive
• Rated output power: 4 kW
• Rated output current: approx. 9 A
• Input voltage: 380–480 V AC
• Input phases: 3-phase
• Frequency: 50 / 60 Hz
• Protection rating: IP20
• Mounting type: Panel / cabinet mounting
• Cooling: Forced air cooling
• Operating temperature: approx. -10 to +50 °C
• Weight: approx. 3.5 kg

Optimised Control for HVAC Systems

The Danfoss FC 102 drive adjusts motor speed by varying output frequency and voltage, ensuring that HVAC systems operate efficiently under varying load conditions. This helps reduce energy consumption, lower operational costs and extend equipment lifespan.

Its advanced control algorithms and built-in HVAC-specific functions make it an ideal choice for building automation systems, enabling smooth integration with modern control platforms and building management systems (BMS).

Typical Applications

• HVAC fans and air handling units.
• Pumps in heating and cooling systems.
• Cooling towers and chillers.
• Ventilation systems in commercial buildings.
• Building management and automation systems.
• Industrial HVAC installations.

Trusted by HVAC Engineers Worldwide

Danfoss VLT HVAC Drives are trusted globally for delivering reliable, energy-efficient motor control solutions across commercial and industrial building systems.