Trane 5TTX5042A1000A 3.5 Ton 42,000 BTU 15 SEER2 Split System Air Conditioner Cooling Only Condenser w/ WeatherGuard Top - R454B

Trane 5TTX5042A1000A – 3.5 Ton 15 SEER2 Single-Stage Split System Air Conditioner

Deliver dependable, energy-efficient cooling with the Trane 5TTX5042A1000A, a 3.5-ton single-stage split system air conditioner engineered for durable outdoor performance and reliable residential comfort. As part of Trane’s 5TTX50 series platform, this R-454B system combines a scroll compressor, Spine Fin™ coil, and weather-resistant cabinet construction for consistent cooling performance 

Single-Stage Scroll Compressor Performance
The 5TTX5042A1000A features a single-stage scroll compressor (1 – 1 configuration) operating on 208/230V, 1-phase, 60 Hz power. The compressor includes internal over-temperature and pressure protection, supporting dependable startup and long-term performance in residential applications 

3.5 Ton Cooling Capacity Platform
Model nomenclature identifies this unit as a 3.5-ton system (42 = 42,000 BTU nominal capacity). The unit is certified in accordance with AHRI Standard 210/240 and rated per AHRI 270 for sound performance 

High-Capacity Direct-Drive Outdoor Fan System
The outdoor fan utilizes a 27.5-inch propeller blade with a direct-drive single-speed motor (1/5 HP) operating at approximately 850 RPM. Airflow is rated at 4,841 CFM at 0.0 in. w.g., supporting efficient condenser heat rejection for larger residential cooling loads 

Spine Fin™ All-Aluminum Outdoor Coil
The outdoor coil features Trane’s patented Spine Fin™ design with 1 row at 24 FPI and 24.93 sq. ft. of face area. This all-aluminum construction enhances heat transfer efficiency and corrosion resistance, while louvered panels protect the coil on all four sides 

R-454B Refrigerant & Charging Specifications
The 5TTX5042A1000A utilizes R-454B refrigerant with an approximate factory charge of 5 lb, 1 oz. Rated valve connection sizes include 7/8" O.D. gas and 5/16" O.D. liquid connections, with a 10°F subcooling charging specification 

Quiet Operation with AHRI-Rated Sound Performance
The 5TTX5042A model is rated at 71 dB(A) A-weighted sound power level under AHRI Standard 270 test conditions, delivering dependable cooling with controlled outdoor sound levels 

Durable Cabinet Construction for Outdoor Installation
The unit casing is constructed of heavy-gauge galvanized steel with a weather-resistant powder paint finish. Panels are subjected to a 1,000-hour salt spray test to support long-term durability in outdoor environments 

Operating Range & Low Ambient Cooling Options
As manufactured, the system provides cooling capacity down to 55°F outdoor ambient. With the addition of an evaporator defrost control, operation can extend to 40°F, and to 30°F when paired with a TXV. With the BAYLOAM107A low ambient kit, cooling operation can extend down to 20°F 

Engineered for Reliable Residential Cooling
Ideal for medium-sized homes and higher cooling demands, the Trane 5TTX5042A1000A delivers 15 SEER2 single-stage performance, high-capacity airflow, Spine Fin™ coil durability, and weather-resistant cabinet construction in a 3.5-ton outdoor air conditioning platform built for consistent comfort and long-term reliability.