Where is refrigerant piping typically run from a rack system to the refrigerated cases?

Refrigerant piping is typically run in trenches under the floor to ensure efficient operation and to protect the piping from potential damage. This method allows for easier access for maintenance and minimizes the visibility of the pipes, creating a more aesthetically pleasing environment. By being underground, the piping can also maintain a more consistent temperature, which is crucial for the efficient transfer of refrigerants between the rack system and the refrigerated cases.

While other options might be conceivable in different contexts, running the piping in trenches often reduces the risk of interference with other systems and minimizes safety hazards associated with exposed or overhead installations. Additionally, this method can be beneficial in terms of space management within the facility.