Trane A5AC4042A1000 Split System Air Conditioner Condensing Unit 42000 Btu/h 3.5 Ton 14.3 SEER2

Product Description

The Trane A5AC4042A1000 is a 3.5-ton residential split-system air conditioning condensing unit rated at 42,000 BTU/h with a 14.3 SEER2 efficiency rating. Operating on R-454B refrigerant, this single-stage outdoor unit delivers reliable cooling in a compact cabinet measuring 36.625 inches tall, 34.25 inches wide, and 19.75 inches deep. The unit ships factory-charged with the refrigerant required for the condensing unit itself plus 10 feet of tested connecting line and is designed to operate at outdoor ambient temperatures up to 115 degrees F. Licensed HVAC technicians handle installation and commissioning of this equipment.

This condensing unit is intended for residential and light-commercial split-system cooling applications. It pairs with compatible air handlers or furnace coils to form a complete cooling system. The unit is part of the RunTru by Trane product family and carries a single-stage compressor configuration. It draws 200-230V single-phase 60 Hz power. The A-weighted sound power level is rated at 71 dB(A), making it suitable for noise-sensitive residential installations. Cooling capacities are matched across a wide selection of indoor coil configurations.

Key Features

• 3.5-ton cooling capacity at 42,000 BTU/h for mid-size residential loads
• 14.3 SEER2 efficiency rating under the current DOE test standard
• R-454B refrigerant — lower global warming potential than R-410A
• Factory-charged for condensing unit plus 10 feet of connecting line
• Rated for outdoor ambient operation up to 115 degrees F
• A-weighted sound power level of 71 dB(A) for quiet residential operation
• Single-stage compressor on 200-230V/1PH/60Hz power supply

Compatibility

Designed for use in R-454B split-system cooling configurations as a RunTru by Trane condensing unit. Compatible indoor units include a wide selection of air handlers and furnace coils rated for the 3.5-ton capacity class. Maximum refrigerant line length from outdoor to indoor unit must not exceed 150 feet total, including vertical lift.

Installation Notes

Installation must be performed by a licensed HVAC technician in accordance with local mechanical codes and the manufacturer's installation guide. Disconnect and lock out all electrical power before making any electrical or refrigerant connections. The installation surface must be able to support the unit's operating weight of 212 pounds; use a properly rated concrete pad or mounting structure. Do not exceed the maximum refrigerant line length of 150 feet, including lift, as specified in the installation documentation.

Technical Specifications

• Cooling Capacity: 42,000 BTU/h (3.5 Ton)
• Efficiency Rating: 14.3 SEER2
• Refrigerant Type: R-454B
• Power Supply: 200-230V / 1PH / 60 Hz
• Compressor Stages: Single Stage
• Sound Power Level: 71 dB(A) A-weighted
• Maximum Outdoor Ambient Temperature: 115 degrees F
• Height: 36.625 inches
• Width: 34.25 inches
• Depth: 19.75 inches
• Weight: 212 pounds
• Maximum Refrigerant Line Length: 150 feet (including vertical lift)

Standard Information

• Brand: Trane
• Manufacturer Part Number: A5AC4042A1000