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Easy one, how do I attach my unit heater hot water coil to my hot water loop?

asked 2022-07-27 00:58:59 -0500

ashopinion's avatar

updated 2022-07-27 09:18:18 -0500

OS v3.2 The zone is not attached to an air loop. When I go to the hot water loop and look in the (my model) coil heating water drop down menu none of the unit heater water coils appear. They do appear under the unit heater drop down menu but I can't drag that object to the hot water loop ("the selected component is not allowed at this location").

If you have time for a bonus question, I also don't understand why I can drag a generic hot water coil from the library into my hot water loop without having to associate it with an object in my model, e.g. the unit heater coils. What is that even attached to (if anything)?

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@ashopinion you need to "link" the water coil to the water loop by clicking on the chain link icon near the top right when editing the water coil. See an example of this for a WSHP unit in a thermal zone in this post, or see an example of connecting central air loop heating/cooling coils to water loops in the OpenStudio application user guide HVAC systems section.

Aaron Boranian's avatar Aaron Boranian  ( 2022-07-27 09:32:15 -0500 )edit

Does that answer your question?

Aaron Boranian's avatar Aaron Boranian  ( 2022-07-27 09:32:25 -0500 )edit

That did it, thanks!

ashopinion's avatar ashopinion  ( 2022-07-27 12:01:13 -0500 )edit

1 Answer

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answered 2022-07-28 02:09:49 -0500

updated 2022-07-28 02:11:22 -0500

On the Thermal Zones tab, you can click on the Unit Heater, and in the Right Column you'll see a link icon that allows you to pick a plant loop.


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Asked: 2022-07-27 00:58:59 -0500

Seen: 121 times

Last updated: Jul 28 '22