Trane CNT1760 Defrost Control

The Trane CNT1760 Defrost Control is a critical OEM replacement part designed for commercial refrigeration and Trane heat pump systems. This 120V 10A defrost control manages the timing and execution of defrost cycles to prevent ice accumulation on evaporator coils. Featuring a 30-inch capillary tube, the Trane CNT1760 provides high-accuracy temperature sensing to ensure the reversing valve and condenser fan operate in proper sequence during heat pump defrost troubleshooting. Its Trane CNT01760 supersession maintains full electrical compatibility with legacy 120V systems requiring 10-amp switching capacity. For field technicians, this HVAC defrost board eliminates common issues like short-cycling or improper frost detection by utilizing a precise sensing element that responds to low-temperature cutout conditions. Integrating this original equipment ensures the system meets factory specifications for refrigeration control, maintaining thermal efficiency even in high-demand environments. Durable construction and standard spade terminals allow for streamlined wiring and installation, reducing downtime for your clients.

• OEM Compatibility: Specifically engineered for Trane and American Standard systems to ensure a perfect fit and reliable electrical integration.
• Precise Sensing: The 30" capillary tube allows for optimal placement on the coil, providing accurate temperature feedback for efficient defrost initiation.
• Industrial Spec: Rated at 120V and 10A to handle professional-grade refrigeration and HVAC switching loads.
• System Efficiency: Properly regulates the defrost process to prevent energy waste and protect the compressor from liquid slugging or excessive head pressure.

Can the capillary tube be cut or shortened?
No, never cut or kink the capillary tube. It contains a chemical charge; any damage will render the control inoperable. Coil any excess length away from sharp edges or vibration points.

How do I know if the CNT1760 board is failing?
Common symptoms include the outdoor fan remaining off in heating mode (when not in defrost), the coil being completely encased in ice, or the reversing valve failing to shift during a forced defrost test.

Is this a direct replacement for the CNT01760?
Yes, the CNT1760 and CNT01760 are interchangeable parts, with the CNT01760 being the newer manufacturer part number for the same 120V 10A specifications.

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.