Combined design of all-air air conditioning system and VRF air conditioning system

 The application of combined all-air air conditioning system with VRF air conditioning system is suitable in public buildings. Presents technical details about the combined system. Puts forward security issues of the refrigerant used in VRF air conditioning system of public buildings. Presents the confirmation method of the refrigerant leakage concentration in air conditioning rooms and preventive solutions of refrigerant leakage.