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openstudio values default to 0 instead of blank

Some input values in the OpenStudio application have a default blank (no value / null value). However, as soon as the field is selected, it automatically defaults to 0. There does not seem to be any way to fix this back to having a blank (null value).

This is important for some functions in EnergyPlus such as Field:Economizer Maximum Limit Dewpoint Temperature where if this blank (null value) there is no outdoor air dewpoint limit control.

Is there a way to force these fields to a blank (null value) image description ?

asked 2020-06-10 12:09:09 -0500

updated 2020-06-10 13:44:36 -0500

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You could edit the .osm file in a text editor to remove the value from that field, or write a script to call resetEconomizerMaximumLimitEnthalpy.

But I think this is a problem with the UI that you shouldn't need to do either of the above to fix.

answered 2020-06-10 12:47:11 -0500

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Thank you Eric. Yes, I have been editing the OSM file, but thought there was some value that could be placed (such as null) using the UI.

Ski90Moo (2020-06-10 13:10:04 -0500) edit

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