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Good day, I'm have limited design training and experience on HVAC. I mostly deal with field/onsite issues I searched the forum and couldn't find any reviews on this website https://www.hvac-academy.com Also if anyone has taken ashrae's design courses I & II and can provide feedback, that...

We have airflow stations and it is sucking air in through the blades. System has not been commissioned yet.

Supply fan is modulated to maintain initial setpt of 1.5" wc. It is reset between 1.3-1.8" depending on cooling demand.

Hello, While the OA damper is closed, outside air is getting sucked into the AHU Return fan is controlled by CFM offset method and the return air damper is controlled inversely to OA and EA dampers. There is a building static pressure sensor that controls the EA damper. I'm not sure what else...