Danfoss 134U4127 VLT HVAC Drive FC 102, a 22 kW three-phase variable frequency drive designed for HVAC motor control, pumps, fans, compressors and building services applications.
The Danfoss 134U4127 is a powerful and efficient variable frequency drive (VFD) from the Danfoss VLT® HVAC Drive FC 102 series, designed specifically for heating, ventilation, air conditioning and refrigeration applications. It provides precise motor speed control for HVAC systems, helping optimise energy usage, improve process control and reduce operating costs in commercial and industrial environments.
As part of the VLT® HVAC Drive range, the 134U4127 includes dedicated functionality for pumps, fans, compressors and building services equipment. Its intelligent control features allow motors to run according to system demand, reducing unnecessary energy consumption while supporting reliable and consistent HVAC performance.
With a rated output power of 22 kW (30 HP) and a three-phase 380–480 V AC supply, the Danfoss 134U4127 is suitable for larger HVAC motor control applications. Its IP20 chassis design is ideal for installation inside electrical panels, motor control centres and protected plant room environments.
Key Advantages
Dedicated HVAC variable frequency drive for fans, pumps and compressors.
22 kW (30 HP) power rating for demanding HVAC systems.
Three-phase 380–480 V AC input for industrial and commercial power supplies.
Designed to improve energy efficiency and motor control precision.
IP20 chassis enclosure suitable for cabinet and panel installation.
Graphical local control panel supports easier setup and operation.
Key Features
Danfoss VLT® HVAC Drive FC 102 series.
22 kW rated output power.
30 HP motor power rating.
Three-phase 380–480 V AC input supply.
IP20 / chassis protection rating.
RFI Class A1/B (C1) EMC filter.
No brake chopper fitted.
Graphical local control panel included.
Not coated PCB.
B4 frame size for panel-mounted HVAC installations.
Efficient Motor Control for HVAC Systems
Variable frequency drives such as the Danfoss 134U4127 regulate motor speed by adjusting output frequency and voltage. This enables HVAC equipment to respond accurately to changing system demand, helping reduce energy consumption, improve comfort levels and lower stress on mechanical components.
The FC 102 series is engineered for HVAC professionals who require dependable drive performance in ventilation, heating, cooling and refrigeration systems. Its built-in HVAC functions support efficient control of airflow, water circulation, pressure and temperature in modern building services installations.
Typical Applications
Air handling units and ventilation systems.
Commercial HVAC plant rooms.
Industrial fans and blowers.
Heating and chilled water circulation pumps.
Cooling towers and condenser systems.
Refrigeration and compressor control systems.
Building management and energy optimisation systems.
Technical Specifications
Power
22 kW
Voltage
480 V
Phase
Three Phase
IP Rating
IP20
Series
VLT® HVAC Drive FC 102
Type code
FC-102P22KT4E20H3XGXXXXSXXXXAXBXCXXXXD0
Product type
Variable frequency drive
Rated output power
22 kW
Horsepower rating
30 HP
Input voltage
380–480 V AC
Input phases
Three-phase
Application
HVAC motor control
Protection rating
IP20 / chassis
RFI filter
Class A1/B (C1)
Brake chopper
Not fitted
Local control panel
Graphical LCP
PCB coating
Not coated
Mains option
No mains option
Frame size
B4
Net weight
approx. 18.89 kg
Gross weight
approx. 22.59 kg
EAN
5710108001520
EMC Filter
Commercial
Frequently Asked Questions
What is the Danfoss 134U4127 used for?
The Danfoss 134U4127 is used to control the speed of three-phase AC motors in HVAC applications such as fans, pumps, compressors and ventilation systems.
What motor power is supported by this drive?
This drive is rated for 22 kW (30 HP) motor control applications.
What supply voltage does the drive require?
The 134U4127 operates from a three-phase 380–480 V AC supply.
What enclosure rating does this drive have?
The drive has an IP20 / chassis enclosure, making it suitable for installation inside control panels or protected electrical cabinets.
Does the Danfoss 134U4127 include a local control panel?
Yes, this model includes a graphical local control panel for configuration, monitoring and operation.
Trusted by HVAC Engineers Worldwide
Danfoss VLT® HVAC drives are widely used by building services engineers, facilities teams and HVAC contractors to deliver reliable motor control, energy savings and dependable performance in modern heating, ventilation and cooling systems.
Power
22 kW
Voltage
480 V
Phase
Three Phase
IP Rating
IP20
Series
VLT® HVAC Drive FC 102
Type code
FC-102P22KT4E20H3XGXXXXSXXXXAXBXCXXXXD0
Product type
Variable frequency drive
Rated output power
22 kW
Horsepower rating
30 HP
Input voltage
380–480 V AC
Input phases
Three-phase
Application
HVAC motor control
Protection rating
IP20 / chassis
RFI filter
Class A1/B (C1)
Brake chopper
Not fitted
Local control panel
Graphical LCP
PCB coating
Not coated
Mains option
No mains option
Frame size
B4
Net weight
approx. 18.89 kg
Gross weight
approx. 22.59 kg
EAN
5710108001520
EMC Filter
Commercial
No documents available for this product.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...