M.4840 is part of the PG Mini family of modular air handler systems offered by Carrier Corporation. The M.4840 model is a variable-speed, self-contained, central fan and coil unit. It is equipped with a direct-drive, two-speed fan motor, dual-diameter blower wheel, and either a three-or four-row coil. The system is designed to provide superior comfort, energy efficiency, and quiet operation while minimizing energy costs. The M.4840 is ideal for residential applications such as new construction, renovation, or replacement of an existing air handler, as it’s energy efficient design can help save on energy costs.