Ingxenye yabalandeli ku-AHU iqukethe ifeni eyi-centrifugal ene-inlet ephindwe kabili, idrayivu ye-motor kanye ne-V-belt ebekwe ohlakeni olungaphakathi olumiswa ngendlela yokukhweza okulwa nokudlidliza ohlakeni olungaphandle olungakhishwa.Iyunithi yefeni ifakwe ojantshi ababili abaphambanayo aboshelwe kuyunithi yokubamba komoya, futhi indawo yokuvula yabalandeli ixhunywe kuphaneli yokukhipha yeyunithi ngoxhumano oluvumelana nezimo.