Hello everyone, i have a 4 storey building that i designed and imported from Revit as gbxml to Designbuilder 7.0.2.
i want to make a performance analyses on this building with water/water heat pump but when i go in the simulation it gives me this error for all the spaces
" .......... is specified as having a heated floor but no floor surfaces in the zone have an internal source set in their Construction. Please check the internal source position of any heated floor constructions. If all internal sources are correct, please refer to program help under Radiant Surface Data section. "
Can anyone help me to deal with this problem?
