OXBOX BY TRANE 3.5 Ton 14.3 SEER2 Split-System Air Conditioner with C-Cabinet Cased Coil and R454B TXV Kit – J5AC5042A1000AA, J5MXCC009AC6HCA, 5AYTXVH3A4248A

Split-System Air Conditioner Configuration – Outdoor AC unit paired with indoor cased evaporator coil for efficient residential cooling

Complete 3.5 Ton Cooling System – Includes J5AC5042A1000AA condenser, J5MXCC009AC6HCA cased coil, and 5AYTXVH3A4248A TXV kit

14.3 SEER2 Cooling Efficiency – Designed for reliable and energy-efficient cooling using R454B refrigerant

C-Cabinet Cased Coil Design – Supports 3.0–5.0 ton applications for proper airflow and efficient heat transfer

R454B TXV Kit Included – Provides precise refrigerant control for improved system performance and temperature stability

This Oxbox system is a split-system air conditioner engineered to deliver efficient and reliable cooling for residential applications. As a split system, it consists of an outdoor air conditioning unit paired with an indoor cased evaporator coil, connected through refrigerant lines to ensure balanced airflow and consistent indoor comfort.

The system includes the J5AC5042A1000AA outdoor air conditioner, rated at 3.5 tons with 14.3 SEER2 efficiency and designed for R454B refrigerant, providing dependable cooling performance. The indoor component, J5MXCC009AC6HCA, is a C-cabinet cased evaporator coil compatible with 3.0–5.0 ton applications, supporting proper airflow and efficient heat transfer. To ensure accurate refrigerant metering and optimized system operation, the system also includes the 5AYTXVH3A4248A TXV kit, designed for 3.5–4.0 ton R454B coil and air handler applications.

When properly installed, this matched split-system air conditioner delivers quiet operation, stable indoor temperatures, and long-term reliability, making it suitable for residential system replacements or new installations.

J5AC5042A1000AA - 

Submittals –Submittals_J5AC5042A1000AA (3)

Energy Guide –J5AC5042A1000AA (3)

Sell Sheet –SellSheet_English_AirConditioner_R-454B (7)

Installation Manual –InstallationManual_English_J5AC5_14.3SEER2 (7)

J5MXCC009AC6HCA

Submittals –Submittal_J5MXC-SUB-1A (2)

Sell Sheet –SellSheet_English_IndoorCoils_R-454B (2)

Installation Manual –InstallationManual_English_J5MXC (2)