VAV air conditioning system design for an office building in Tianjin

Presents the air conditioning system design characteristics of the super high-rise office building, including dividing the VAV system into the inner zone and peripheral zone, all fresh air system operating in transition seasons, adopting parallel fan power terminals with reheat coils in the north area, and single duct terminals in other areas. By means of psychometric chart, calculates the system parameters: air supply rate in summer, heat supply capacity and water vapour amount added for humidification in winter. Provides the control method of VAV terminals and units.