Description
The York S1-6420537 is a factory-programmed Variable Frequency Drive (VFD) controller engineered for reliable, precision motor speed control in commercial and residential HVAC applications. Pre-programmed at the factory to York specifications, this VFD eliminates the need for on-site parameter setup, reducing installation time and minimizing commissioning errors.
Key Features
- Factory-programmed VFD controller — ready for drop-in replacement with no additional programming required
- Rated for 5.25 HP motor loads for dependable performance across a range of HVAC fan and blower applications
- 6.7A output current rating ensures compatibility with matched York OEM motor specifications
- Designed as a direct OEM replacement for York systems, ensuring proper fit and function
- Delivers smooth motor acceleration and deceleration to reduce mechanical stress and extend equipment life
- Supports energy-efficient variable-speed operation, helping reduce power consumption compared to fixed-speed motor control
- Built to York’s exacting quality standards for long-term reliability in demanding HVAC environments
Application
This VFD controller is designed as a genuine York OEM replacement part, ideal for service technicians and contractors maintaining York commercial HVAC equipment. Its pre-programmed configuration ensures the drive operates within York-specified parameters right out of the box, making it the preferred choice over aftermarket alternatives.
Specifications
- Brand: York
- Part Number: S1-6420537
- Type: Programmed Variable Frequency Drive (VFD) Controller
- Horsepower Rating: 5.25 HP
- Output Current: 6.7A
- Programming: Factory Pre-Programmed







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