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Dear TRNsys users, When I set up a cubic room with Google sketch up and then import it into TRNSys 17 I can easily calculate the temperature of each surface (6). Also I can set up the temperature of one surface to a set point temperature
and control it with a “POWER” variable which is determined in TRNbuild. So basically I heat one wall and calculate the temperature of the other wall plus the air temperature. When I try to divide this wall into several, let’s say 2 walls (by using Google Sketch up to separate the walls) heating only one small wall (so half of the entire wall) becomes impossible. I get this error message : Fatal Error at time : 1.000000 Generated by Unit : 56 Generated by Type : 56 Message : outside temperature of 2 (external) wall in zone 1 at time 1.00 not converged! Which I don’t understand. Is it possible to heat only a part of the wall? It definitely works with entire walls but not with separated wall. Thanks a lot in advance. Wirich |