.AixLib.Obsolete.Year2022.ThermalZones.HighOrder.Examples.Appartment_VoWo.Medium .AixLib.Obsolete.Year2022.ThermalZones.HighOrder.Examples.Appartment_VoWo.MediumMedium in the system
package Medium = Modelica.Media.Water.ConstantPropertyLiquidWater;