Damien, TRNSYS requires the base unit of the parameter in question. If the parameter's base units are meters, you need to write an equation that has the units of meters. Best, David On 4/20/2012 10:32, Damien Casetta wrote: Hi, -- *************************** 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 |