... Box type Top fan condensing units can be used in hotels, restaurants, medicines, agricutureral, chemicals industries This series products feature box type structure ... .1.Adpot Copeland or Maneurop hermetic compressor,2.External Rotor type Fan motor with 6pole with low noise and high efficiency. 3 ... ,exhaust hand valve ,filter , solenoid valve , pressure switch , expansion valve , fan motor , controls.