Jakob, Looking at the source code for Type942, it would appear that the sky temperature is part of the top loss correlation used by the component. Can you please send your project to your distributor so that they can have a look and see if they can determine the cause of the problem? Kind regards, David On 11/25/2011 04:56, Jakob Merk wrote: Hi everybody, -- *************************** David BRADLEY Principal Thermal Energy Systems Specialists, LLC 22 North Carroll Street - suite 370 Madison, WI 53703 USA P:+1.608.274.2577 F:+1.608.278.1475 d.bradley@tess-inc.com http://www.tess-inc.com http://www.trnsys.com |