Already found what the problem was.
It looks like in ansys fluent when you try to export from the geometry component system to a geometry and mesh component system to a Fluent component system, there´s this problem that the calculation aren´t done correctly.
Found this after doing just the geomtry component and the complete Fluent analysis system let me do the calculations with no problem regarding the residuals.
And finally responding to you question of why i have nonconformal interfaces, si to be able to simulate the tree sections that conforms a Heatpipe: Evaporator, condenser and adiabatic section, so my geometry needs to be slice in 3 section and take all the individuals solids together into a part so the analysis over those sections are closer to the experimental analysis done in the close loop heatpipe.
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