The Goodman 4 Ton Multi-Position Air Handler R32 Refrigerant (Model AMST48CU1300) is an energy-efficient indoor air handling unit designed for use with compatible Goodman R-32 refrigerant air conditioning and heat pump systems. Featuring a multi-position cabinet design, direct-drive 9-speed ECM blower motor, factory-installed internal TXV, and all-aluminum evaporator coil, this air handler delivers reliable airflow performance, improved comfort, and efficient HVAC operation.

The AMST48CU1300 provides 4-ton (48,000 BTU) capacity and is designed for flexible installation configurations in residential and light commercial applications. Its 9-speed ECM blower motor helps provide efficient airflow control, while the factory-installed thermal expansion valve (TXV) helps regulate refrigerant flow for improved cooling and heat pump performance.

This Goodman air handler includes an all-aluminum evaporator coil, factory-installed R-32 mitigation device, and a cabinet design that supports multiple airflow configurations. The unit is optimized for use with compatible R-32 Goodman outdoor units and provides reliable performance for modern HVAC applications.

The Goodman AMST48CU1300 is an ideal solution for replacement installations and new HVAC system setups requiring dependable airflow management, flexible positioning, and efficient indoor comfort performance.

Key Features

• 4 Ton / 48,000 BTU Capacity – Designed for residential and light commercial HVAC applications
• R-32 Refrigerant Compatible – Designed for modern R-32 refrigerant air conditioning and heat pump systems
• Multi-Position Installation Design – Supports flexible horizontal and vertical installation configurations
• 9-Speed ECM Blower Motor – Provides efficient airflow control and improved comfort performance
• Factory Installed Internal TXV – Helps regulate refrigerant flow for cooling and heat pump applications
• All-Aluminum Evaporator Coil – Provides durable construction and efficient heat transfer
• R-32 Mitigation Device Included – Designed for compatibility with R-32 refrigerant requirements
• Multiple Airflow Configurations – Supports upflow, downflow, horizontal right, and horizontal left installations
• Compatible with Goodman Outdoor Units – Designed for matched R-32 AC and heat pump systems
• Professional HVAC Application – Suitable for residential replacements and new installations

Compatibility / Installation Notes

The Goodman AMST48CU1300 Air Handler is designed for:

• Goodman R-32 Air Conditioning Systems
• Goodman R-32 Heat Pump Systems
• Residential HVAC Applications
• Light Commercial HVAC Installations
• Multi-Position Indoor Installations

Specifications:

• Brand: Goodman
• Model: AMST48CU1300
• Product Type: Multi-Position Air Handler
• Capacity: 4 Ton
• Cooling Capacity: 48,000 BTU
• Refrigerant: R-32
• Motor Type: Direct-Drive 9-Speed ECM Blower Motor
• Expansion Device: Factory Installed Internal TXV
• Voltage: 208/230V, 1 Phase
• Configuration: Multi-Position
• Liquid Line Connection: 3/8 Inch
• Suction Line Connection: 7/8 Inch
• Application: Indoor HVAC Installation

Installation Notes:

• Verify compatibility with the matched outdoor condenser or heat pump unit before installation.
• Confirm refrigerant type and system specifications.
• Installation should be completed by a qualified HVAC professional.
• Follow Goodman installation guidelines and local HVAC codes.

Frequently Asked Questions

What is the Goodman AMST48CU1300?
The AMST48CU1300 is a 4-ton multi-position air handler designed for R-32 refrigerant systems with a 9-speed ECM blower motor and internal TXV.

What refrigerant does this air handler use?
This model is designed for R-32 refrigerant systems.

Does this unit include a TXV valve?
Yes. It includes a factory-installed internal TXV for cooling and heat pump applications.

Does this air handler include an ECM motor?
Yes. It features a direct-drive 9-speed ECM blower motor for improved airflow control and efficiency.

Is this a complete HVAC system?
No. This is an indoor air handler only and must be paired with a compatible outdoor condenser or heat pump unit.

Can this air handler be installed in different positions?
Yes. The AMST48CU1300 supports multi-position installation configurations.