Trane 2 - 3 Ton Multi-Positional Commercial Air Handler | 208/230V 1 Phase - R454B

Efficient 2.5-Ton Multi-Position Air Handler for Commercial Applications with Constant-Torque ECM Airflow

The Trane 5TAM5C03AC21 is a 2.5-ton-class multi-position air handler designed to provide reliable conditioned-air distribution for residential and light commercial applications. Designed to work with compatible Trane R-454B outdoor air-conditioning or heat pump equipment, this indoor air handling system combines a constant-torque ECM blower, efficient cabinet construction, and flexible installation configurations for dependable year-round comfort.

Key Benefits

• 2.5-Ton-Class Capacity – Provides a rated capacity range of 24,000 to 36,000 BTUH for compatible split-system applications.
• Constant-Torque ECM Blower – Provides multi-speed airflow operation to support consistent conditioned-air delivery.
• Multi-Position Installation – Supports upflow, downflow, and horizontal-left or horizontal-right installation configurations.
• R-454B Compatibility – Designed for use with compatible R-454B refrigerant split-system equipment.
• Aluminum Coil – Provides efficient heat transfer with an aluminum coil construction.
• Epoxy-Coated Coil – Adds a protective coil coating for applications requiring enhanced coil surface protection.
• Double-Wall Cabinet – Provides an insulated cabinet design with an R-value of at least 4.2 and reduced air leakage.
• Easy-Access Blower and Coil Design – Integrated slide decks allow the blower and coil assemblies to be removed more easily for service.
• Electric Heat Compatible – Supports compatible slide-in electric heater accessories for supplemental heating applications.

Constant-Torque Airflow – Primary Air Handling Benefit

The Trane 5TAM5C03AC21 uses a direct-drive, multi-speed ECM blower motor with constant-torque operation to provide conditioned-air circulation. The unit is designed for a rated capacity range of 24,000 to 36,000 BTUH and supports flexible airflow operation for compatible ducted split-system applications.

Heating & Cooling Performance

The 5TAM5C03AC21 is designed to operate with compatible Trane outdoor air-conditioning and heat pump equipment using R-454B refrigerant. The air handler incorporates an R-454B TXV for compatible system operation. Complete cooling capacity, heating performance, and efficiency depend on the matched outdoor unit, indoor coil, controls, operating conditions, and complete system configuration.

Airflow & Efficiency

The constant-torque ECM blower provides multi-speed operation to help match airflow to the requirements of the connected system. The cabinet is designed for 2% or less air leakage and incorporates a double-wall foamed cabinet system with an insulating value of at least R-4.2. These features help support efficient air distribution while reducing unwanted cabinet air leakage.

Air Handler & Installation Design

The 5TAM5C03AC21 features a modular multi-position cabinet that supports upflow, downflow, horizontal-left, and horizontal-right configurations. The unit measures approximately 55.8 inches high, 21.3 inches wide, and 21.8 inches deep, with a shipping weight of approximately 150 pounds. The cabinet includes integrated horizontal drain pans, composite doors, labeled panels and connections, and a molded-in 1-inch standard filter rail.

Controls & Comfort

The 5TAM5C03AC21 uses a constant-torque ECM blower motor to provide multi-speed airflow operation. Low-voltage pigtail connections and fused 24V power are provided for compatible system controls. The matched thermostat, outdoor equipment, and system controls determine the complete cooling, heating, and comfort operation.

Commercial Applications

The Trane 5TAM5C03AC21 is designed for compatible residential and light commercial split-system applications requiring a 2.5-ton-class indoor air handler. Its multi-position cabinet, compact 21.8-inch depth, constant-torque ECM blower, and R-454B compatibility make it suitable for applications where flexible equipment placement and reliable ducted air distribution are required.

Service & Maintenance

The 5TAM5C03AC21 incorporates a Vortica® blower with an integrated slide deck for easier removal and an aluminum coil with an integrated slide deck for service access. The cabinet features a smooth, cleanable interior, durable door seals, and specially designed air seals around refrigerant, condensate, and conduit connections. A molded-in 1-inch filter rail provides a defined location for the standard filter.

Warranty

The Trane 5TAM5C03AC21 includes a 10-year limited warranty on parts and a 10-year limited warranty on the coil when the product is registered within 60 days of installation. If the product is not registered within the applicable period, the base limited warranty terms apply.

Recommended Accessories

• Compatible Trane R-454B Outdoor Air Conditioner – Selected according to the required cooling capacity and matched-system configuration
• Compatible Trane R-454B Heat Pump – Available for applicable heating and cooling system configurations
• Slide-In Electric Heater – Compatible accessory for supplemental electric heat applications
• UVC Light Kit – Available accessory with safety switch and polarized plug connections
• Side Return Option – Available accessory for applicable installation configurations

Flexible Comfort with the Trane 5TAM5C03AC21

Experience reliable conditioned-air distribution with the Trane 5TAM5C03AC21. Combining a constant-torque ECM blower, multi-position installation flexibility, efficient cabinet construction, and R-454B compatibility in one versatile air handler.