Trane 5TMM5B0C36M31S Wall Mount Air Handler 36000 Btu/h 3 Ton High Efficiency R454B

Product Description

The Trane 5TMM5B0C36M31S is a 3-ton wall-mount air handler rated at 36,000 BTU/h, designed for split-system cooling and heat pump applications using R454B refrigerant. The unit features a multi-speed direct drive CTM blower motor and is classified under the high efficiency tier. Built for residential and light commercial use, the 5TMM5B0C36M31S is intended for installation by licensed HVAC technicians in closets, utility rooms, alcoves, or direct wall-mount configurations. The refrigerant circuit uses a TXV metering device and braze-connect refrigerant lines. This unit is part of the RunTru by Trane RT Series product family.

The 5TMM5B0C36M31S is suited for residential split-system installations where a wall-mount air handler configuration is required. It pairs with a compatible outdoor condensing or heat pump unit as part of a complete split system. The unit is designed to fit closet and alcove spaces where floor space is limited. Optional electric heater kits of 5 kW, 7.5 kW, and 10 kW single-phase capacity are available as accessories. Single-phase electric heater options include integrated circuit breakers. This handler can be applied in both cooling-only and heat pump system configurations depending on the matched outdoor unit.

Key Features

• 36,000 BTU/h (3-ton) cooling capacity rated for high efficiency tier performance
• Multi-speed direct drive CTM blower motor for reliable airflow control
• R454B refrigerant compatible with TXV metering device and braze-connect line set
• Wall-mount design suitable for closet, utility room, or alcove installation
• Compatible with optional 5 kW, 7.5 kW, and 10 kW single-phase electric heater accessories
• Front return opening and top supply outlet configuration

Compatibility

Designed for use in RunTru by Trane RT Series split-system cooling and heat pump installations using R454B refrigerant. Compatible with optional TMM5-series single-phase electric heater kits. Specific outdoor unit pairing should be confirmed through Trane product selection documentation or Trane Supply.

Installation Notes

Installation must comply with all national, state, and local mechanical and electrical codes. A licensed HVAC technician should perform all refrigerant line brazing, electrical connections, and startup procedures. Disconnect all power to the system before servicing internal components. R454B is an A2L refrigerant — verify that the installation site and practices meet applicable code requirements for mildly flammable refrigerants before beginning work.

Technical Specifications

• Cooling Capacity: 36,000 BTU/h (3 tons)
• Refrigerant: R454B
• Blower Motor Type: CTM multi-speed direct drive
• Efficiency Tier: High Efficiency
• Metering Device: TXV
• Refrigerant Line Connection: Braze
• Cabinet Height: 40.50 inches
• Cabinet Width: 22.00 inches
• Cabinet Depth: 18.75 inches
• Mounting Type: Wall Mount
• Optional Electric Heat: 5 kW, 7.5 kW, 10 kW single-phase

Standard Information

• Brand: Trane
• Manufacturer Part Number: 5TMM5B0C36M31S