The AMST Ducted Multi-position Air Handler features a Nine Speed ECM motor and a cooling capacity of 42,000 Btu/H, making it ideal for 3.5-ton systems. It uses R-32 refrigerant and operates on 208/230V with a single-phase power supply. With a compact design—standing at 53.44 inches in height and weighing 153 lbs—it fits into a 21-1/8 inch cabinet and is built for multi-position installations. Its energy-efficient design includes a TXV expansion, making it a reliable, cased unit for electric HVAC systems.