Supplemental coolers send the capacity and drop you set
In CoolSim 5.4.180, a supplemental cooler set by Cooling Capacity always went to the solver as 20,000 W, whatever you entered. One set by Temperature Drop sent its drop as a temperature reading, so the default 20 °F drop reached the solver as a drop of 266.48 K (480 °F).
The preview sends the capacity and the drop you set. A model saved earlier opens with the drop its editor showed, and an untouched default opens as a 20 °F (11.1 °C) drop. Results can change for any model with a supplemental cooler set by capacity or by temperature drop.