How can I deal with error : "too many fields for object controller: mechanical ventilation"

asked 2021-01-12 16:34:31 -0600

Ahmed salah gravatar image

updated 2021-01-13 08:53:40 -0600

A file was created by openstudio then I run the model with ideal air load without any problems in simulation or IDF editor after adding the hvac system which is chilled system ahu and vav, the simulation is completed but the when I try t open idf editor it give the same error for a lot of spaces. E+ 9.2 open studio 2.9 image description image description

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Did you check this post? I would suggest that you open the file using a text editor (instead of the IDF editor) and check the "Controller:MechnicalVentilation" object for any errors. You can refer to the example file 5ZoneVAV-ChilledWaterStorage-Mixed_DCV_MultiPath.idf just to see how this object is modeled!

Ammar De gravatar image Ammar De  ( 2021-01-12 16:55:17 -0600 )edit

There are very similar posts here, here, and here. I found these after searching Unmet Hours for "idf editor too many fields". Do those answer your question?

Aaron Boranian gravatar image Aaron Boranian  ( 2021-01-13 08:57:44 -0600 )edit

actually, I have checked this posts but I was not know the limit for additional "field Zones" that shall be added to the idd file. after trials the problem solved by adding field zones to be greater or equal as the thermal zones at my model. many thanks

Ahmed salah gravatar image Ahmed salah  ( 2021-01-15 04:22:52 -0600 )edit

@Ahmed salah feel free to post your solution of altering the IDD file so that others know that fixed your issue and can vote on it.

Aaron Boranian gravatar image Aaron Boranian  ( 2021-01-15 10:44:39 -0600 )edit