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131U9835 Danfoss VLT FC-102 HVAC Drive 1.1 KW / 1.5 HP, 380 - 480 VAC, IP55
MPN: 131U9835
Alt. SKU: FC-102P1K1T4Z55H2XNXXOXSXXXXAXBXCXXXXDX
Why Choose the Danfoss 131U9835 VLT HVAC Drive?
The Danfoss 131U9835 is a robust and energy-efficient AC variable frequency drive (VFD) engineered specifically for HVAC applications requiring precise motor speed control and optimised energy consumption. Part of the trusted Danfoss VLT® HVAC Drive FC 102 series, this drive is designed to improve system performance, reduce operating costs and provide reliable operation in demanding commercial and industrial environments.
The FC 102 HVAC Drive incorporates dedicated functions for pumps, fans and compressors, helping building operators and HVAC engineers maximise efficiency while maintaining comfort and process control. Integrated HVAC features reduce the need for external control equipment and simplify installation, commissioning and long-term maintenance.
With a rated output power of 1.1 kW and a three-phase 380–480 V AC supply, the 131U9835 is ideally suited for ventilation systems, air handling units, pumps and refrigeration equipment. Its IP55 / Type 12 enclosure provides enhanced environmental protection, allowing installation in more demanding locations.
Key Advantages
- Dedicated HVAC variable frequency drive for building services applications.
- 1.1 kW motor power rating suitable for fans, pumps and compressors.
- Three-phase 380–480 V AC input for industrial and commercial installations.
- IP55 / Type 12 enclosure for enhanced environmental protection.
- Integrated HVAC control functionality reduces additional hardware requirements.
- Automatic Energy Optimisation helps reduce energy consumption.
- Built-in Smart Logic Controller simplifies system automation.
Key Features
- Danfoss VLT® HVAC Drive FC 102 series.
- 1.1 kW rated output power.
- 1.5 HP motor rating.
- Three-phase 380–480 V AC supply voltage.
- IP55 / Type 12 enclosure protection.
- Integrated RFI filter.
- Numerical Local Control Panel (LCP).
- Smart Logic Controller functionality.
- No brake chopper configuration.
- Optimised for pumps, fans and HVAC systems.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC 102
- Model: 131U9835
- Type Code: FC-102P1K1T4Z55H2XNXXOXSXXXXAXBXCXXXXDX
- Product type: AC variable frequency drive
- Rated output power: 1.1 kW
- Motor rating: 1.5 HP
- Input voltage: 380–480 V AC
- Input phases: 3-phase
- Protection rating: IP55 / Type 12
- Frame size: A4
- RFI filter: Integrated
- Brake chopper: Not included
- Control panel: Numerical Local Control Panel
- Approximate height: 391 mm
- Net weight: 7.17 kg
Optimised Control for HVAC Systems
The Danfoss FC 102 HVAC Drive is purpose-built for heating, ventilation, air conditioning and refrigeration applications. By adjusting motor speed to match system demand, the drive reduces energy consumption, minimises mechanical wear and improves overall system performance.
Integrated HVAC functions, communication capabilities and advanced energy optimisation features help building operators achieve lower operating costs while maintaining precise environmental control across commercial and industrial facilities.
Typical Applications
- Air handling units (AHUs).
- Ventilation and extraction systems.
- HVAC pumps and circulation systems.
- Cooling towers and condensers.
- Refrigeration and chiller systems.
- Commercial and industrial building services.
Frequently Asked Questions
What is the Danfoss 131U9835 used for?
The drive is designed for HVAC applications including fans, pumps, compressors and ventilation systems where efficient motor speed control is required.
What motor size can this drive control?
The 131U9835 is rated for motors up to 1.1 kW (1.5 HP).
What input voltage does the drive require?
The drive operates from a three-phase 380–480 V AC supply.
Does this drive include a brake chopper?
No, this specific configuration is supplied without an integrated brake chopper.
What protection rating does the enclosure provide?
The drive features an IP55 / Type 12 enclosure, offering enhanced protection against dust and water ingress.
Trusted by HVAC Professionals Worldwide
Danfoss VLT HVAC Drives are widely specified by HVAC engineers, facilities managers and building automation professionals for their reliability, energy efficiency and application-specific functionality.
| Manufacturer Part Number | 131U9835 |
|---|---|
| Barcode | 5710107014910 |
| Height | 390mm |
| Width | 200mm |
| Depth | 175mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP55 |
| KW Rating | 1.1kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P1K1T4Z55H2XNXXOXSXXXXAXBXCXXXXDX |
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.