Description
York S1-6111678 Programmed VFD Controller Overview
The York S1-6111678 is a factory-programmed Variable Frequency Drive (VFD) controller engineered as a direct OEM replacement for York HVAC systems. Pre-programmed right out of the box, this unit is designed for fast, accurate installation with no complex drive commissioning required — saving valuable time in the field.
Key Features
- Factory pre-programmed for seamless drop-in replacement in compatible York equipment
- Rated for 5 HP motor applications
- L526 drive frame designation for proper form-factor fitment
- 6.7A output current rating
- Designed to deliver precise motor speed control, improving system efficiency and extending equipment life
- Genuine York OEM part — ensures full compatibility and maintains equipment warranty integrity
Why Variable Frequency Drives Matter
VFDs regulate motor speed by varying the frequency and voltage supplied to the motor. In HVAC applications, this translates to significant energy savings, reduced mechanical wear, smoother startups, and tighter system control compared to fixed-speed operation. Replacing a failed or faulty VFD controller with a factory-programmed unit like the S1-6111678 restores optimal system performance quickly and reliably.
Application
- Designed for use in York commercial HVAC equipment requiring a 5 HP VFD controller
- Suitable for fan and blower motor control applications within York systems
- Consult York equipment documentation to confirm compatibility with your specific unit model
Ordering Information
- Brand: York
- Part Number / SKU: S1-6111678
- Type: Programmed VFD Controller
- Horsepower: 5 HP
- Frame: L526
- Output Current: 6.7A







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