Thanks for the help guys,
It is a louvered damper which is electrically operated. All the duct work is new and we have cut an access door to check the damper for any visible problems (we didn't see any).
I will have to check with our Sheetmetal contractor to see what was actually installed...
Hello Everyone,
I am currently working on a project which utilizes two air handling units. One is for the main building and the other is a dedicated unit for a lab space. If the lab AHU were to go down the main building unit ramps up and opens a control damper in a crossover duct to feed the...
