Trane COM11139 Compressor

The Trane COM11139 is a heavy-duty 7.5 ton compressor designed for commercial and industrial refrigeration and HVAC systems. Built for rigorous duty cycles, this 460V 3-phase compressor provides high-capacity cooling performance in R22 systems. As a direct replacement for COM7478, the COM11139 ensures a drop-in fit for technicians looking to restore commercial air conditioning performance without extensive piping modifications. Engineering specifications reveal a robust hermetic design with brazed stub tube connections—typically 1-1/8 inch suction and 5/8 inch discharge—and a 1750 RPM operating speed. This 129 lb unit utilizes mineral oil and is engineered to maintain stable head pressures even under high-load environmental conditions common in large-scale rooftop units and chillers.

• Optimized Compatibility: Engineered as the primary replacement for Trane COM7478, ensuring original equipment performance standards are maintained.
• Standardized Voltage: Operates on 460V 3-phase power, making it the standard choice for industrial electrical configurations.
• High-Capacity Output: Rated for 7.5 tons of cooling, providing the thermal displacement required for large office buildings and warehouses.
• Durable Construction: Features a hermetic, positive displacement design that minimizes vibration and protects internal components from contaminants.

• Is the Trane COM11139 compatible with modern refrigerants? This specific model is designed for R22 refrigerant systems using mineral oil. Always verify the oil and refrigerant type of the existing system before charging.
• Can I use this to replace a COM7478? Yes, the Trane COM11139 is the manufacturer-designated direct replacement for the COM7478.
• What are the electrical requirements? This unit requires a 460V 3-phase power supply. Attempting to run this on single-phase or 230V power will cause immediate motor failure.

This item must ship via truck. Please contact us for freight quote.

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.