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The forum is a place where people can interact and have discussions about different topics involving the use of the TRNSYS software package. Here you can post topics for discussion or questions on using TRNSYS and get advice from other users or TRNSYS experts. This forum is not intended for detailed technical support. Users should contact their distributor’s hotline for such assistance.

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TESS TYPE 684 Economizer

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Topic starter

Hello,

I have the TRNSYS17 version. I have a quick question regarding TESS Type684. The type uses setinputunits to set air pressure units to PR2, which is in kPa units. However, all psychrometric calculations need to be done in PR4, in atm units. do you think there is any inconsistency in type coding? Please pardon me if I have some issues in understanding. My type684 source code was last edited on Sep 2021 by TESS engineers. I am not sure if this source code is used in the DLL file for the actual simulation. Thank you for expert opinion! 😀 

 

-Abir

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