Danfoss VLT® FC 302 Series Variable Frequency Drive (VFD): A Comprehensive Overview
Model: FC-302P3K0T5E20H1XXXXXXSXXXXAXBXCXXXXDX | Part No: 131B0032
Introduction
The Danfoss VLT® FC 302 Series is a state-of-the-art variable frequency drive (VFD) designed to optimize motor control across industrial and commercial applications. With a focus on energy efficiency, reliability, and user-friendly operation, the FC 302 Series is a cornerstone of Danfoss’s portfolio for HVAC, pumping, fan, and compressor systems. This document provides an in-depth analysis of the FC-302P3K0T5E20H1XXXXXXSXXXXAXBXCXXXXDX model (Part No: 131B0032), highlighting its technical specifications, applications, and competitive advantages.
Technical Specifications Table
| Parameter |
Details |
| Model Name |
VLT® FC 302 Series |
| Part Number |
131B0032 |
| Power Rating |
3.0 kW (4.0 HP) @ 380–480 V, 3-phase |
| Input Voltage |
380–480 V AC ±10%, 50/60 Hz |
| Output Current |
5.0 A (nominal), 7.5 A (peak) |
| Control Method |
Sensorless Vector Control (SVC) / Voltage-Frequency (V/F) |
| Enclosure Rating |
IP20 (NEMA 1) – For indoor installations |
| Ambient Temperature |
-10°C to +50°C (14°F to 122°F) |
| Cooling Method |
Forced ventilation via internal fan |
| Communication Protocols |
Modbus RTU (RS-485), BACnet MS/TP, Profibus DP (optional) |
| Approvals |
CE, UL, cUL, RoHS, REACH |
| Dimensions (HxWxD) |
240 mm × 140 mm × 210 mm |
| Weight |
3.2 kg |
| Key Features |
Integrated EMC filter, PID controller, Safe Torque Off (STO), Energy Saver |
Product Overview
The FC-302P3K0T5E20H1XXXXXXSXXXXAXBXCXXXXDX is a compact, high-performance VFD tailored for motors up to 3.0 kW. Its modular design allows customization with optional add-ons, such as communication modules, brake resistors, and input/output (I/O) expansion cards. The drive’s IP20 rating ensures protection against dust and solid objects, making it suitable for clean indoor environments like offices, factories, and data centers.
Key Features
- Energy Efficiency:
- The VLT® FC 302 incorporates Danfoss’s Energy Saver function, which optimizes motor speed to reduce energy consumption by up to 30% in variable torque loads (e.g., fans, pumps).
- Automatic sleep/wake modes minimize standby power losses.
- Advanced Control:
- Sensorless Vector Control (SVC) provides precise speed and torque regulation, critical for applications requiring dynamic responses.
- Built-in PID controller simplifies process automation, such as pressure or temperature regulation.
- Connectivity:
- Standard Modbus RTU and BACnet protocols enable seamless integration with building management systems (BMS).
- Optional Profibus DP and Ethernet/IP modules support Industry 4.0 applications.
- Safety:
- Safe Torque Off (STO) function (EN 61800-5-2) ensures rapid motor shutdown in emergencies.
- Overcurrent, overvoltage, and thermal protection safeguard both the drive and motor.
Applications
The VLT® FC 302 Series excels in diverse industries, including:
- HVAC Systems:
- Variable air volume (VAV) control in fans and blowers.
- Precision temperature regulation for chillers and heat pumps.
- Water/Wastewater:
- Pump control for constant pressure or flow optimization.
- Reduced energy costs in municipal and industrial water networks.
- Material Handling:
- Conveyor belts and elevators requiring smooth acceleration/deceleration.
- Food & Beverage:
- Mixer, agitator, and refrigeration unit motor control.
Installation & Operation
Installation
- Mounting: Wall-mounted or side-by-side configurations (minimum spacing: 50 mm).
- Wiring:
- Power terminals (L1, L2, L3) and motor terminals (U, V, W) support cable cross-sections up to 2.5 mm².
- Control terminals include digital inputs/outputs, analog signals (0–10 V, 4–20 mA), and relay contacts.
Commissioning
The FC 302 Series is compatible with Danfoss’s DriveStart software, which simplifies parameter setup via a USB or Bluetooth adapter. Key parameters include:
- Motor Data: Voltage, current, and speed limits.
- Control Mode: V/F, SVC, or PID.
- Ramp Times: Adjustable acceleration/deceleration curves.
Maintenance & Troubleshooting
- Cooling System: Clean the fan and heat sink every 12 months to prevent overheating.
- Diagnostics: The drive’s LCD keypad displays fault codes (e.g., “Overcurrent” or “Overvoltage”) for quick troubleshooting.
- Firmware Updates: Danfoss periodically releases software updates via their website.
Certifications & Compliance
The FC-302P3K0T5E20H1XXXXXXSXXXXAXBXCXXXXDX adheres to international standards:
- Electromagnetic Compatibility (EMC): EN 61800-3 (C2 category).
- Safety: EN 61800-5-1 (functional safety).
- Environmental: RoHS and REACH compliance.
Optional Accessories
Danfoss offers a range of accessories to enhance the FC 302’s functionality:
| Accessory |
Description |
| Brake Resistor |
Dissipates regenerative energy during deceleration. |
| Line Reactor |
Reduces harmonic distortion and protects against voltage spikes. |
| Communication Modules |
Profibus DP, Ethernet/IP, or DeviceNet interfaces. |
| Remote Keypad |
Wall-mounted control panel for extended operation. |
Customer Support
Danfoss provides global support through:
- Technical Documentation: User manuals, datasheets, and application notes.
- Training: Online courses and in-person workshops for engineers.
- Warranty: 2-year standard warranty (extendable up to 5 years).
Conclusion
The Danfoss VLT® FC 302 Series (Model: FC-302P3K0T5E20H1XXXXXXSXXXXAXBXCXXXXDX) is a versatile, energy-efficient VFD designed for modern industrial and commercial motor control. Its compact design, advanced control algorithms, and connectivity options make it ideal for HVAC, pumping, and material handling applications. With robust safety features and Danfoss’s global support network, the FC 302 Series delivers reliable performance while reducing operational costs. Whether upgrading legacy systems or designing new installations, the FC 302 Series is a future-proof investment in sustainability and efficiency.
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