Air handling processes of air conditioning system for clean operating room

Analyses the heat and moisture handling processes of three different air conditioning systems—the primary return air system, secondary return air system and humidity priority control system in which the fresh air eliminates the whole moisture load. Calculates a project example and the results show that the humidity priority control system is easy to achieve and control; the fresh air handling requirement can be satisfied by the dual cold sources equipped with conventional cooling coil and mechanical refrigeration; the humidity priority control system has more significant energy saving effect than the primary return air system.