Trane 5TWR7048A1000A 4 Ton 48,000 BTU 17 SEER2 Muti-Speed Heat Pump Outdoor Unit - R454B

Trane 5TWR7048A1000A – 4 Ton Variable-Speed Split System Heat Pump with ComfortSeek™

Deliver advanced comfort control and energy-efficient heating and cooling with the Trane 5TWR7048A1000A , a 4-ton variable-speed split system heat pump engineered for high-performance residential comfort. As part of Trane’s 5TWR70 series platform featuring ComfortSeek™ technology , this R-454B system integrates an inverter-driven scroll compressor, Spine Fin™ outdoor coil, and durable weather-resistant cabinet construction to provide precise temperature control, quiet operation, and dependable long-term performance.

Variable-Speed Inverter Scroll Compressor Technology
The 5TWR7048A1000A features an inverter-driven scroll compressor with multi-speed capacity control (1 – Multi configuration) . This variable-speed design automatically adjusts compressor output to match indoor heating and cooling demand, improving system efficiency, maintaining consistent indoor temperatures, and minimizing on/off cycling. Built-in compressor protections monitor operating conditions and regulate speed and electrical load to maintain reliable system operation.

4 Ton Heating & Cooling Capacity Platform
Model nomenclature identifies this system as a 4-ton heat pump unit (48 = 48,000 BTU nominal capacity) operating on 208/230V, 1-phase, 60 Hz electrical service . The unit is certified under the AHRI Air-Source Unitary Air-Conditioner Equipment Certification Program (Standard 210/240) and rated for sound performance per AHRI Standard 270/275 .

Variable-Speed Outdoor Fan System
The outdoor fan assembly utilizes a 27.5-inch propeller blade driven by a direct-drive variable-speed motor (1/2 HP) capable of operating between 600 and 1050 RPM . This variable airflow capability allows the system to optimize condenser airflow based on real-time operating demand, improving energy efficiency and reducing outdoor sound levels during partial-load operation.

Spine Fin™ All-Aluminum Outdoor Coil
The condenser coil incorporates Trane’s patented Spine Fin™ all-aluminum coil design with 1 row at 24 fins per inch and 27.87 sq. ft. of coil face area . This coil design enhances heat transfer efficiency while providing strong corrosion resistance and long service life. Louvered cabinet panels protect the coil on all sides while maintaining proper airflow through the unit.

R-454B Refrigerant & Charging Specifications
The 5TWR7048A1000A operates using R-454B refrigerant and includes an approximate factory charge of 7 lb, 4 oz . Standard refrigerant connections include 7/8" O.D. gas and 5/16" O.D. liquid lines , with a 12°F subcooling charging specification for proper installation and system setup.

Quiet Operation with Variable-Speed Sound Control
Thanks to its inverter-driven compressor and variable-speed fan system, the unit can operate at reduced sound levels during lower capacity operation. Under AHRI Standard 270 testing conditions, the 5TWR7048A model operates at approximately 70 dB(A) during minimum cooling operation , supporting quieter outdoor performance in residential environments.

Durable Cabinet Construction for Outdoor Installation
The cabinet is constructed from heavy-gauge G60 galvanized steel with weather-resistant powder-coated louvered panels . A corrosion-resistant DuraTuff™ composite base provides additional durability and structural support, helping protect the system against environmental exposure and outdoor installation conditions.

Wide Operating Range & Built-In System Protections
The system is designed to operate across a broad range of outdoor conditions. It supports cooling operation from 55°F up to 120°F outdoor ambient , while heating operation can function in outdoor temperatures down to approximately 0°F . Built-in freeze protection helps prevent system operation under adverse conditions by reducing capacity or temporarily shutting down to protect components.

Engineered for High-Efficiency Residential Comfort
Ideal for larger homes and higher comfort demands, the Trane 5TWR7048A1000A heat pump delivers dependable 4-ton variable-speed heating and cooling performance , inverter compressor technology, and durable Spine Fin™ coil construction in a high-efficiency split system platform designed for consistent comfort, quiet operation, and long-term reliability.