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131H1778 Danfoss VLT FC-102 HVAC Drive 7.5 KW / 10 HP, 380 - 480 VAC, IP66
MPN: 131H1778
Alt. SKU: FC-102P7K5T4E66H1XGX1XXSXXXXAXBXCXXXXDX
Why Choose the Danfoss 131H1778 VLT® HVAC Drive FC-102?
The Danfoss 131H1778 is a robust and energy-efficient AC variable frequency drive (VFD) designed for accurate motor speed control in HVAC, ventilation, heating and refrigeration applications. As part of the trusted Danfoss VLT® HVAC Drive FC-102 series, it helps deliver reliable operation, reduced energy consumption and straightforward integration into commercial and industrial building automation systems.
This drive is engineered for HVAC motors used with pumps, fans, compressors and air handling equipment. The FC-102 platform provides dedicated HVAC control functionality, integrated EMC filtering, a graphical local control panel and user-friendly operation to simplify commissioning and optimise system performance.
With a rated output power of 7.5 kW / 10 HP and a three-phase 380–480 V AC supply, the Danfoss 131H1778 is ideal for protected HVAC installations. Its IP66 / NEMA 4X enclosure, RFI Class A1/B (C1) filter and mains disconnect configuration make it suitable for demanding environments where enhanced protection is required.
Key Advantages
- Dedicated HVAC variable frequency drive for building services applications.
- 7.5 kW / 10 HP motor power rating suitable for pumps, fans and compressors.
- Three-phase 380–480 V AC input for commercial and industrial power systems.
- IP66 / NEMA 4X enclosure for enhanced environmental protection.
- RFI Class A1/B (C1) filter to support EMC compliance.
- Mains disconnect included for convenient isolation and service access.
Key Features
- Danfoss VLT® HVAC Drive FC-102 series.
- 7.5 kW / 10 HP rated output power.
- Three-phase 380–480 V AC input supply.
- IP66 / NEMA 4X enclosure.
- RFI Class A1/B (C1) EMC filter.
- No brake chopper.
- Graphical local control panel fitted.
- Mains disconnect option included.
Technical Specifications
- Manufacturer: Danfoss
- Series: VLT® HVAC Drive FC-102
- Model: 131H1778
- Model code: FC-102P7K5T4E66H1XGX1XXSXXXXAXBXCXXXXDX
- Product type: AC variable frequency drive / frequency converter
- Rated output power: 7.5 kW / 10 HP
- Input voltage: 380–480 V AC
- Input phases: Three-phase
- Output phases: Three-phase
- Frequency: 50 / 60 Hz
- Protection rating: IP66 / NEMA 4X
- RFI filter: Class A1/B (C1)
- Brake option: No brake chopper
- Control panel: Graphical local control panel
- PCB coating: Not coated PCB
- Mains option: Mains disconnect
- A option: No A option
- B option: No B option
- Frame size: A5
- Net weight: approx. 13.01 kg
Efficient 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 equipment to operate according to actual demand, helping reduce energy consumption, improve comfort control and minimise mechanical stress on connected motors.
The FC-102 series is developed for HVAC engineers, facilities managers and building automation professionals. Its dedicated application functions support efficient control of ventilation, heating, cooling and refrigeration systems in commercial and industrial buildings.
Typical Applications
- Air handling units and ventilation systems.
- Heating and cooling pumps.
- Commercial HVAC plant rooms.
- Fans, blowers and extraction systems.
- Compressors and refrigeration equipment.
- Protected outdoor or washdown-prone building services installations.
Frequently Asked Questions
What is the Danfoss 131H1778 used for?
The drive is used to control the speed and performance of three-phase AC motors in HVAC, ventilation, heating, cooling and refrigeration systems.
What motor power is supported by this drive?
The Danfoss 131H1778 supports motors with a rated output power of approximately 7.5 kW / 10 HP.
What supply voltage does the drive require?
The drive operates from a three-phase 380–480 V AC supply.
What enclosure rating does this drive have?
The drive has an IP66 / NEMA 4X enclosure rating for enhanced protection in demanding HVAC installations.
Does this drive include a mains disconnect?
Yes. The Danfoss 131H1778 includes a mains disconnect option for convenient electrical isolation and service access.
Trusted by HVAC Professionals Worldwide
Danfoss VLT® HVAC Drive FC-102 frequency converters are widely used by HVAC engineers and building automation specialists to deliver efficient motor control, reliable operation and long-term energy savings.
| Manufacturer Part Number | 131H1778 |
|---|---|
| Barcode | 5702427520073 |
| Height | 420mm |
| Width | 242mm |
| Depth | 200mm |
| Filter | Filter Included |
| Input Phases | Three Phase |
| Degree of protection (IP) | IP66 |
| KW Rating | 7.5kW |
| Output Phases | Three phase |
| VSD Range | Danfoss VLT FC102 |
| Manufacturer | Danfoss |
| Alternative Product SKU | FC-102P7K5T4E66H1XGX1XXSXXXXAXBXCXXXXDX |
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.