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<p>HAP sittings :</p> <p>OA requirement is100% , return is plenum </p> <p>report : </p> <p>psychometric chart alway contain return process ???!!!</p>
You can set the OA requirement in the spaces which are fed by this AHU to be100% of supply air (In the "general" tab of the space proporties, in OA requirement1 select "% of supply air" from the dropdown menu and type100). You can also go to air system proporties, zone components tab, thermostats and set the direct exhaust to be the same amount of supply air (please note that you need to do that for each zone if you have a multi-zone AHU)
you will select all spaces and select common ventilation system first window of system section
then select FAHU componant