Roberto,
Those parameter values must correspond with the number of values that are in the data file that is referenced in the External Files tab. It can be a little tricky to add values to those files because of their syntax and because you need to be careful where you insert the new values. I would recommend that you open the external files using Excel, insert rows (and data values) as appropriate then resave the file under a new name as "tab delimited"
kind regards
David
Dear TRNSYS users,
I am doing a project to determine whether using a desiccant dehumidification wheel in combination with an indirect evaporative cooler is able to provide cool air for a house in Kuwait as a possible replacement for conventional air conditioners. Currently, when I try to change the number of dry and wet bulb cells from the original number in the parameters section of the TRNSYS component type 757 and then run my model, I get an error message stating that the component was unable to correctly read from the external file containing the effectiveness as a function of the inlet temperature. Does anybody know how to fix this problem so that I can increase the number of dry and wet bulb cells in the parameters tab of the type 757 indirect evaporative cooler component?
I would appreciate any advice.
Regards,Roberto
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-- *************************** David BRADLEY Principal Thermal Energy Systems Specialists, LLC 3 North Pinckney Street - suite 202 Madison, WI 53703 USA P:+1.608.274.2577 d.bradley@tess-inc.com http://www.tess-inc.com http://www.trnsys.com