The TRANE TWE15043BAAP004 is a 12.5-ton commercial air handler built for split-system HVAC applications. This unit houses a single-slab evaporator coil and is engineered to operate at 208/230 volts, 3-phase power. It is designed to pair with a matched outdoor condensing unit to complete the refrigeration circuit. Licensed HVAC technicians install this equipment in light commercial and commercial settings where centralized air distribution is required.
The TWE15043BAAP004 is suited for commercial split-system installations requiring a large-capacity indoor air handler. Typical applications include office buildings, retail spaces, and light industrial facilities where a matched outdoor condensing unit supplies refrigerant to the indoor coil. The unit handles air distribution across the conditioned space at 12.5 tons of cooling capacity, making it appropriate for medium to large commercial zones.
Key Features
12.5-ton cooling capacity for medium to large commercial applications
Single-slab evaporator coil construction
208/230-volt, 3-phase power input for compatibility with commercial electrical systems
Designed for split-system pairing with a matched outdoor condensing unit
Commercial-grade build intended for sustained duty-cycle operation
Compatibility
Designed as an OEM-style replacement or direct installation air handler for commercial split-system configurations requiring 12.5-ton capacity at 208/230 volts, 3-phase. Consult the equipment schedule and matched condensing unit specifications before installation.
Installation Notes
Installation must be performed by a licensed HVAC technician holding appropriate EPA Section 608 refrigerant handling certification. Disconnect and lock out all electrical power and shut off refrigerant supply before servicing or connecting the unit. Electrical connections must comply with NEC requirements for the rated voltage and phase. Follow the manufacturer installation manual for coil orientation, drain line pitch, and refrigerant line sizing.
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