On system renovation where no piping is changed, what type of testing shall be performed to ensure no other equipment in the system has been adversely impacted?

The correct answer, functional testing, is designed to ensure that the entire system operates as intended after renovation, even if no physical changes to the piping were made. Functional testing is crucial in assessing how all components of the medical gas system work together and verifying that all aspects of the installation meet performance requirements.

This type of testing involves evaluating various operational parameters, such as flow rates, pressure levels, and the performance of alarms and shut-off valves. By performing functional tests, you can determine if other equipment has been adversely impacted by the renovation, ensuring that the system will continue to deliver safe and reliable service.

The other types of testing mentioned have different focuses. Basic testing does not provide the specific assessment of operational efficiency needed after renovations. Individual testing would focus on isolated components rather than the system as a whole, which might miss broader issues caused by renovations. Partial testing, while it does assess segments of the system, may not cover all functionalities, thus potentially overlooking system-wide impacts. Therefore, functional testing is essential for confirming that the medical gas system's performance remains intact following renovations.