Description
The Danfoss 174L1590 FC-102 is a purpose-built HVAC Variable Frequency Drive (VFD) designed to deliver precise motor speed control for fans, pumps, and compressor applications in commercial and industrial HVAC systems. Rated at 5 horsepower and 208V input, this drive is housed in a NEMA 1 enclosure suitable for indoor, protected installations.
Product Overview
The FC-102 series is Danfoss’s dedicated HVAC drive platform, engineered to maximize energy efficiency and system reliability. With advanced built-in HVAC features, the FC-102 eliminates the need for external add-on modules, simplifying installation and commissioning while reducing overall system cost.
Key Features
- Rated output: 5 HP (horsepower)
- Input voltage: 208V (three-phase)
- Enclosure type: NEMA 1 (indoor, protected)
- Purpose-built for HVAC fan and pump applications
- Built-in PID controller for precise pressure and temperature regulation
- Integrated EMC filter for reduced electrical interference
- Advanced motor protection including over-temperature, over-current, and short-circuit protection
- Sleep mode and energy optimization functions for reduced operating costs
- Multiple communication protocol support for BAS/BMS integration
- Automatic Energy Optimization (AEO) for continuous efficiency improvement
- Cascade pump controller built in — no external controller required
- Comprehensive fire mode and safety override functionality
Application Suitability
- Variable air volume (VAV) air handling units
- Chilled water and condenser water pumps
- Cooling tower fans
- Supply and return fans
- Exhaust and ventilation fans
Why Choose the Danfoss FC-102?
The FC-102 is globally recognized as one of the leading HVAC-specific drives on the market. Its intuitive graphical LCP (Local Control Panel) simplifies setup and diagnostics, while the drive’s robust design ensures long service life even in demanding HVAC environments. The NEMA 1 enclosure is ideal for mechanical rooms and equipment closets where the drive is protected from direct contact but not exposed to harsh environmental conditions.
Specifications
- SKU / Part Number: 174L1590
- Brand: Danfoss
- Series: FC-102 (HVAC Drive)
- Horsepower: 5 HP
- Input Voltage: 208V
- Enclosure Rating: NEMA 1
- Application: HVAC Fans & Pumps







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