Anyone know the formula for measuring cfm on a 3 phase airhandler with 3
phase heaters ( temp rise method ) I know what it is for single phase but
dammed if I can remember what the 3 phase formula is, nor can I find it in
all my old notes :-((( help-- trying to fix a hacked job at an american
legion hall and I need to know the airhandlers cfm cabability--TIA!