In system renovations where no piping is exchanged, what is performed to ensure other equipment has not been impacted negatively?

Functional testing is essential in system renovations where no piping has been replaced because it assesses if the existing equipment operates correctly after any changes in the system. This type of testing evaluates the functionality of medical gas systems, ensuring that all components, such as regulators, alarms, and flow meters, are performing as intended.

Conducting functional tests allows for the detection of potential issues that may not be evident through visual inspections, as changes in the system can sometimes affect the way components interact. These tests verify that the equipment continues to deliver gases safely and effectively, ensuring compliance with regulations and standards for medical gas systems.

While other options like visual inspections check for visible issues, they might miss underlying malfunctions. Mass flow tests measure the flow rate of gases, and pneumatic tests assess the integrity of the piping by checking for leaks, but they do not provide a complete assessment of how equipment is functioning overall. Therefore, functional testing is the most comprehensive method to ensure that the system operates correctly after renovations.