air handling unit,air handling equipment, AHU 1.inlet/outlet water temp. 7/12 degree celsius. 2.cooling coils: 4 rows /6 rows PWD series air handling unit 1. Single panel, galvanized steel sheet.2. Double centrifugal fan, belt driven.3. Cooling coils: 4 rows, 6 rows, 8 rows4. Cooling inlet and outlet water temp.7/12 degree celsius. Heating inlet water temp. 60 degree celsius