chilled water coil delta t

zepfan

does anyone know if there is a formula to find what the air temperature drop should be across a chilled water coil, if the gpm,airflow,and water temperature drop is know? thanks to all

JStar

Temp. drop

Delta-T = (BTUH / CFM) / 1.08



Approximately.



http://www.refrigtech.com/Knowledge_Center/Knowledge_Troubleshooting_AC_System.pdf



Check out page 11 for a chart based on indoor wet bulb.

unclejohn

You Should

Get 10* F drop.