Hi.
I try to create family of AHU. I created very easy example, because I wanted to check how is it works. There are 4 connectors.
- air from room
- supply air to room
- fresh air
- exhaust air
I connected air from room with exhaust air diffusers, and supply air wit supply air diffusers. They have set som airflows. I would like to, connector of fresh air took the value of supply air etc. What i done wrong, why is not working?
Thank you for replies.
I attach data.
Here's a link to a post I wrote about air flow settings in Revit...it's based on 2013 but the theory is the same - let me know if it helps explain how this works -
http://mep-cad.blogspot.com/2013/01/getting-in-flow-with-revit-hvac.html
thanks - David B.
David A. Butts
Virtual Design and Construction Manager - Kimley-Horn
Revit Certified Professional/Autodesk Certified Instructor
Revit, AutoCAD Architecture, MEP, Plant 3D, BIM Collaborate Pro Subject Matter Expert
For connecting air flow values from one connector to another, you can accomplish this by adding a parameter that is defined as a formula for the other airflow value. The rules are important to follow:
- the values must be the same format - in other words, this works best when both parameters use the default Air Flow units - you don't want to combine common text with a duct specific Air flow parameter
- the values must be defined in the same family, to "inherit" the same values. Don't try to do this as a project parameters, it needs to be specific to the part
- Make the airflow value instance based, so you can make adjustments based on the exact airflow at the unit, rather than by the type.
hope this helps - thanks - David B.
David A. Butts
Virtual Design and Construction Manager - Kimley-Horn
Revit Certified Professional/Autodesk Certified Instructor
Revit, AutoCAD Architecture, MEP, Plant 3D, BIM Collaborate Pro Subject Matter Expert
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