Copy an Airloop in OpenStudio

asked 2016-10-24 00:48:07 -0500

Carlos Vazquez

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updated 2017-08-05 07:54:46 -0500

__AmirRoth__

4436 ●5 ●17 http://bleedinggreenna...

I need a hint to write a measure to duplicate an AirLoopHVAC already made within openstudio. I will appreciate any help.

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answered 2016-10-24 14:38:03 -0500

ericringold

10552 ●31 ●8 https://www.nrel.gov/b...

updated 2016-10-24 14:41:47 -0500

Using AirLoopHVAC.clone by itself won't work. Instead you'd probably have to get the loop's supply components, clone them individually and then assign them to the new loop. This can be tricky for components (e.g. water coils) that have connections to other loops.

I would consider an alternate approach in which you build your original loop in the measure, and iterate that code for the number of loops you want. I've found that way a lot cleaner than trying to fully duplicate existing systems.

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@Kyle Benne might have some insights. There is an issue on file to make the .clone method work better, but it hasn't been addressed yet.

aparker ( 2016-10-25 12:57:23 -0500 )edit

Yeah I don't have a lot to add here. I think Eric's comments echo my own thoughts pretty well. If folks really want to see AirLoopHVAC.clone built into the OpenStudio SDK I'd pile on in this thread. It is something I've advocated for myself, but never really had the justification to spend time on it. I think it would be great feature for making air system libraries.