Trane 5TTR4018A1000A 1.5 Ton 18,000 BTU 14 SEER2 Split System Cooling Only Air Conditioner Outdoor Unit - R454B

Trane 5TTR4018A1000A – 1.5 Ton 14 SEER2 Single-Stage Split System Air Conditioner

Deliver reliable, energy-efficient cooling with the Trane 5TTR4018A1000A, a 1.5-ton single-stage split system air conditioner engineered for durable outdoor performance and dependable residential comfort. As part of Trane’s 5TTR40 series platform, this R-454B system features a CLIMATUFF® scroll compressor, Spine Fin™ coil, and galvanized steel cabinet construction for long-term cooling reliability .

Single-Stage CLIMATUFF® Scroll Compressor Performance
The 5TTR4018A1000A utilizes a single-stage CLIMATUFF® scroll compressor (1 – 1 configuration) designed for smooth, consistent cooling operation . The compressor includes internal over-temperature and pressure protection, along with a centrifugal oil pump to support durability, low vibration, and dependable startup in residential applications .

1.5 Ton Cooling Capacity with 14 SEER2 Platform
Model nomenclature identifies this unit as a 1.5-ton system (018 = 18,000 BTU nominal capacity) operating on 208/230V, 1-phase, 60 Hz power . The unit is certified in accordance with AHRI Standard 210/240 and rated per AHRI Standard 270 for sound performance .

Direct-Drive Outdoor Fan System
The outdoor fan features a 23-inch propeller blade with a direct-drive, single-speed motor (1/8 HP) operating at approximately 825 RPM . Airflow is rated at 2,992 CFM at 0.0 in. w.g. under standard air, dry coil conditions to support efficient condenser heat rejection .

Spine Fin™ All-Aluminum Outdoor Coil
The outdoor coil incorporates Trane’s Spine Fin™ design with 1 row at 24 FPI and 21.25 sq. ft. of face area . The coil is engineered for efficient heat transfer and low airflow resistance and is protected on all four sides by louvered panels for added durability .

R-454B Refrigerant & Charging Specifications
The 5TTR4018A1000A utilizes R-454B refrigerant with an approximate factory charge of 3 lb, 12 oz . The unit features 3/4" O.D. gas and 5/16" O.D. liquid connections and is designed for a 10°F subcooling charging specification .

Quiet Operation with AHRI-Rated Sound Performance
The 5TTR4018A model is rated at 73 dB(A) A-weighted sound power level under AHRI Standard 270 test conditions, supporting controlled outdoor sound levels during cooling operation .

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

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

Engineered for Reliable Residential Cooling
Ideal for smaller homes and light residential cooling loads, the Trane 5TTR4018A1000A delivers 14 SEER2 single-stage performance, Spine Fin™ coil efficiency, and durable cabinet construction in a compact 1.5-ton outdoor air conditioning platform built for consistent comfort and long-term reliability .