The Trane COM6220 is a heavy-duty 4.6-ton OEM replacement compressor engineered for high-performance residential and light commercial condensing units. Operating on a 200-230V single-phase power supply at 60Hz, this hermetic reciprocating compressor is the specific Trane direct replacement for COM3733 and COM3919 models. Built to handle R22 refrigerant, it ensures system pressure stability and volumetric efficiency in legacy Trane and American Standard HVAC systems. For technicians performing retrofits or repairs, this genuine OEM HVAC compressor eliminates the mounting and piping alignment issues often encountered with generic aftermarket alternatives. With a robust 101 lb shipping weight, the unit features high-grade internal components designed to withstand thermal cycling and liquid slugging. Ensure proper evacuation and filter drier replacement during installation to maintain the integrity of the 4.6-ton R22 system and optimize subcooling and superheat levels. Key Technical Benefits: Direct OEM Fit: Drop-in replacement for COM3733 and COM3919, ensuring suction and discharge line alignment. High Torque Starting: Designed for 200-230V 1-phase applications, providing reliable starts even under high ambient head pressures. Optimized for R22: Specifically valved and lubricated for R22 refrigerant mineral oil environments. Heavy-Duty Construction: 101 lb build quality provides superior vibration dampening and mechanical longevity. Performance Integrity: Maintains original SEER ratings and BTU capacity for 4.6-ton air conditioning and heat pump circuits. Common Questions: Is the Trane COM6220 compatible with R422D or other R22 retrofits? While designed for R22 refrigerant, this compressor can typically handle common drop-in replacements, provided the technician ensures oil compatibility and adjust expansion valves accordingly. Does this compressor include the internal overload protector? Yes, this Trane 4.6-ton compressor features internal line-break overload protection to prevent motor burnout during overcurrent or over-temperature conditions. What are the primary applications for this model? It is used primarily in 4.5 to 5-ton Trane and American Standard residential split systems and packaged rooftop units requiring a 230V single-phase compressor. This item is not eligible for free shipping. 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.
