Formulas and Calculations Help Feature
Formulas and Calculations is a Help feature that can be found on the System Menu > Help. In older versions of CBAS, this was found directly on the System Menu. Currently, there are 4 entries..
The first one is a duct area calculator for use in the Cubic Feet per Minute (CFM) Calculation on a VAV or UNI-B. The VAV-B has this built into its VAV-B Utility Program that is used when you initially set it up. All you have to know is the dimensions of the duct and whether it is round or rectangular. Just enter the size and a value for the area will appear. You can also use this value as the Duct Size on a VAV template for a UNI-B.Continue reading George’s CBAS Tips, July 2020