
York S1-025-47961-000 Wiring Harness
The York S1-025-47961-000 is an essential harness wiring assembly designed specifically for S5 UCB to VFD communication in commercial HVAC systems. This OEM York replacement part facilitates the critical data link between the Universal Control Board and the Variable Frequency Drive, ensuring the drive responds accurately to system load demands. Engineered to handle the low-voltage communication protocols required by Johnson Controls equipment, this harness prevents the common communication errors and signal loss seen with generic wiring. The HVAC wiring harness features precision-molded connectors that match the pin configurations of the York S5 series, allowing for a secure connection designed for high-vibration environments. For technicians troubleshooting drive faults or replacing control boards, utilizing a genuine S1-025-47961-000 ensures the electrical integrity of the digital signals, maintaining peak performance and accurate system diagnostics without the risk of electromagnetic interference or mechanical failure at the terminal points.
Key Benefits
- Precise Compatibility: Engineered specifically for the York S5 platform to ensure seamless UCB to VFD integration.
- Signal Integrity: High-grade shielding and insulation prevent signal crosstalk and communication errors in the drive control circuit.
- Plug-and-Play Installation: Factory-terminated connectors eliminate the need for field crimping, reducing labor time and potential wiring mistakes.
- OEM Reliability: Built to Johnson Controls specifications to withstand the operational temperatures and electrical loads of commercial HVACR equipment.
Common Questions
Where do I connect the harness for a York S5 UCB?
This harness bridges the communication port on the S5 Universal Control Board directly to the control terminal block on the Variable Frequency Drive to regulate motor speeds based on system demand.
Will this work with third-party VFDs?
The S1-025-47961-000 is designed for York factory-installed or authorized replacement drives that utilize the specific S5 communication pinout. Verification of drive terminal configuration is recommended for non-standard applications.
How do I resolve communication faults between the York UCB and VFD?
Technicians should first inspect the wiring harness for continuity and secure seating at both the UCB and VFD headers. Replacing a worn or corroded harness with this OEM York part often restores the digital handshake required for drive operation.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $29.98
-65%$29.98
$10.49York S1-025-47961-000 Wiring Harness
The York S1-025-47961-000 is an essential harness wiring assembly designed specifically for S5 UCB to VFD communication in commercial HVAC systems. This OEM York replacement part facilitates the critical data link between the Universal Control Board and the Variable Frequency Drive, ensuring the drive responds accurately to system load demands. Engineered to handle the low-voltage communication protocols required by Johnson Controls equipment, this harness prevents the common communication errors and signal loss seen with generic wiring. The HVAC wiring harness features precision-molded connectors that match the pin configurations of the York S5 series, allowing for a secure connection designed for high-vibration environments. For technicians troubleshooting drive faults or replacing control boards, utilizing a genuine S1-025-47961-000 ensures the electrical integrity of the digital signals, maintaining peak performance and accurate system diagnostics without the risk of electromagnetic interference or mechanical failure at the terminal points.
Key Benefits
- Precise Compatibility: Engineered specifically for the York S5 platform to ensure seamless UCB to VFD integration.
- Signal Integrity: High-grade shielding and insulation prevent signal crosstalk and communication errors in the drive control circuit.
- Plug-and-Play Installation: Factory-terminated connectors eliminate the need for field crimping, reducing labor time and potential wiring mistakes.
- OEM Reliability: Built to Johnson Controls specifications to withstand the operational temperatures and electrical loads of commercial HVACR equipment.
Common Questions
Where do I connect the harness for a York S5 UCB?
This harness bridges the communication port on the S5 Universal Control Board directly to the control terminal block on the Variable Frequency Drive to regulate motor speeds based on system demand.
Will this work with third-party VFDs?
The S1-025-47961-000 is designed for York factory-installed or authorized replacement drives that utilize the specific S5 communication pinout. Verification of drive terminal configuration is recommended for non-standard applications.
How do I resolve communication faults between the York UCB and VFD?
Technicians should first inspect the wiring harness for continuity and secure seating at both the UCB and VFD headers. Replacing a worn or corroded harness with this OEM York part often restores the digital handshake required for drive operation.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The York S1-025-47961-000 is an essential harness wiring assembly designed specifically for S5 UCB to VFD communication in commercial HVAC systems. This OEM York replacement part facilitates the critical data link between the Universal Control Board and the Variable Frequency Drive, ensuring the drive responds accurately to system load demands. Engineered to handle the low-voltage communication protocols required by Johnson Controls equipment, this harness prevents the common communication errors and signal loss seen with generic wiring. The HVAC wiring harness features precision-molded connectors that match the pin configurations of the York S5 series, allowing for a secure connection designed for high-vibration environments. For technicians troubleshooting drive faults or replacing control boards, utilizing a genuine S1-025-47961-000 ensures the electrical integrity of the digital signals, maintaining peak performance and accurate system diagnostics without the risk of electromagnetic interference or mechanical failure at the terminal points.
Key Benefits
- Precise Compatibility: Engineered specifically for the York S5 platform to ensure seamless UCB to VFD integration.
- Signal Integrity: High-grade shielding and insulation prevent signal crosstalk and communication errors in the drive control circuit.
- Plug-and-Play Installation: Factory-terminated connectors eliminate the need for field crimping, reducing labor time and potential wiring mistakes.
- OEM Reliability: Built to Johnson Controls specifications to withstand the operational temperatures and electrical loads of commercial HVACR equipment.
Common Questions
Where do I connect the harness for a York S5 UCB?
This harness bridges the communication port on the S5 Universal Control Board directly to the control terminal block on the Variable Frequency Drive to regulate motor speeds based on system demand.
Will this work with third-party VFDs?
The S1-025-47961-000 is designed for York factory-installed or authorized replacement drives that utilize the specific S5 communication pinout. Verification of drive terminal configuration is recommended for non-standard applications.
How do I resolve communication faults between the York UCB and VFD?
Technicians should first inspect the wiring harness for continuity and secure seating at both the UCB and VFD headers. Replacing a worn or corroded harness with this OEM York part often restores the digital handshake required for drive operation.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












