Frigid Coil 2-Fan Evaporator Unit- 20.2 Ton. Model: ICA-2L-478-4-LRB-HGU-IP-PCV-LTA. S/N: 29601. Refrigerant: NH3. Test pressure: 350 psi. Airflow: 29,425 cfm. Coil internal volume: 5.7 cu. ft. Fan diameter: 42 in. (2) Toshiba motors, 2 hp, 865 rpm, 230/460 V, 7.4/3.7 amps, 60 Hz, 3 phase. Heavy-gauge, corrosion-resistant, mill-galvanized steel unit casing. Stainless steel cooling coils are staggered in the direction of air flow to assure maximum air turbulence and coil heat transfer efficiency. Galvanized steel drain pan provides a smooth surface to ensure rapid and complete condensate drainage. Direct-drive fans are cast aluminum construction. Inlets: (1) 1 in. dia. pipe (water), (1) 2-1/2 in. dia. pipe (media). Outlets: (1) 1-1/4 in. dia. discharge pipe (media), (1) 2 in. dia. discharge pipe (waste water). Overall dimensions: 14 ft. 3 in. L x 64 in. W x 64-1/2 in. H.