Oxbox j4ah4p36e1b00a 3 Ton Multi-position Air Handler

Product Description

The OXBOX j4ah4p36e1b00a is a 3-ton, multi-position air handler designed for split-system residential cooling applications. It runs on an ECM (electronically commutated motor) and operates on 208/230-volt single-phase, 60 Hz power. Airflow is adjustable from 200 to 230 CFM to match system demand. The unit pairs with an R-410A refrigerant system and accepts a 3/8-inch liquid line and 3/4-inch suction line. Cooling capacity is rated at 36,000 BTU/h. HVAC technicians install this air handler as the indoor component of a split or packaged cooling system. Note: this unit uses R-410A refrigerant, which is no longer produced for new equipment under the AIM Act of 2020. This unit is suited for repair and replacement-parts service on existing installations.

This air handler is intended for residential split-system installations where the indoor unit must fit in multiple orientations. The multi-position design allows for upflow, downflow, or horizontal installation depending on the mechanical room or closet configuration. Airflow range of 200 to 230 CFM supports standard 3-ton cooling loads in typical residential duct systems. The ECM motor provides variable-speed air delivery, which reduces energy draw during part-load operation compared to a standard PSC motor. A licensed HVAC technician should perform the refrigerant line connections and electrical hookup in compliance with local mechanical and electrical codes.

Key Features

• ECM motor with multi-speed operation for improved efficiency at part-load conditions
• Multi-position airflow design supports upflow, downflow, and horizontal installation
• 3-ton cooling capacity rated at 36,000 BTU/h
• Compatible with 208/230-volt, single-phase, 60 Hz electrical supply
• 3/8-inch liquid line and 3/4-inch suction line connections for standard R-410A line sets
• 5-year parts warranty

Compatibility

Designed as an OEM-style replacement indoor air handler for existing residential R-410A split-system installations requiring a 3-ton, multi-position unit. This product uses R-410A refrigerant and is not compatible with new A2L refrigerant systems such as those using R-32. Replacement of a full system will require transitioning to equipment rated for the current refrigerant standard per the AIM Act of 2020.

Installation Notes

Installation must be performed by a licensed HVAC technician. De-energize the system at the disconnect and verify power is off before making any electrical or refrigerant connections. Refrigerant line brazing, evacuation, and charge verification must follow EPA Section 608 requirements. Refer to local mechanical codes and the manufacturer installation guide for duct connection clearances and electrical wiring specifications.