Multiplex systems.
This type of system design is used in a supermarket environment where there is limited space for the mechanical equipment to stand.
This type of design can be used for floor display cabinets, both chilled or freezer as well as Cold Room or Freezer room applications.
It comprises of multiple compressors that cycle during the running period ensuring equal running time of each compressor. They are mounted on a frame and usually have a remote condenser located outside of the building or on the roof.
Simplex Units.
This is a simple design where there will be one condensing unit to one cold room or freezer room.
This type of system design is usually used in smaller storage areas where the requirements are not high volume.