I am attempting to make a generic residential air handling unit. I want to be able to select a heater size from a standard list of sizes and have it calculate the MCA automatically. I read something about loading a blank generic model into my family and using the family type parameter to get options in a drop down menu. I guess my question is "is this a good way to accomplish what I am trying to do" and if so how do I use the family type parameter in a boolean formula. If someone else has a better method I would like to hear that too. I did it with yes no para. for heater sizes and a beastly nested if statement initially but I have no way to prevent multiple heater sizes from being checked. Thanks in advance for any help/suggestions.
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It should work to suit your needs. Refer to the link below for more info on this method. Don't hesitate to post if you encounter any difficulties!
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