Component access, pipe connections and electrical layout are useful points for technical discussion. These historical photographs show packaged and cabinet air-conditioning equipment in the workshop.

Open panels on the packaged unit reveal heat-exchange components, connecting pipework and an electrical cabinet. The cabinet-unit photograph shows its air outlet and lower equipment compartment. The original filenames describe commissioning in progress.

For similar applications, define room requirements, heat loads, power and installation interfaces. Test procedures, measured performance and acceptance results require the corresponding reports.