The M4HP40 is fully charged from the factory. This unit is designed to operate at outdoor ambient temperatures as high as 115°F. Cooling capacities are matched with air handlers and furnace coils that are AHRI certified. The unit is certified to ETL. Exterior is designed for outdoor application.
Unit casing is constructed of heavy gauge, Galvanized steel and painted with a weather resistant powder paint on all grilles, panels, pre-paint on all other panels. And had 500-hours salt spray tested.
Refrigeration system controls include condenser fan, compressor contactor, high pressure switch and low pressure switch. The factory installed crankcase heat can protect compress when it stands by.
Features include low vibration and noise.
The outdoor coil provides low airflow resistance and efficient heat transfer. The coil is protected on all four sides by grille panels.