This record declares the parameters for the window system for the BESTEST.
record Win600 = Buildings.HeatTransfer.Data.GlazingSystems.Generic(final glass = {Buildings.ThermalZones.Detailed.Validation.BESTEST.Data.Glass600(), Buildings.ThermalZones.Detailed.Validation.BESTEST.Data.Glass600()}, final gas = {Buildings.HeatTransfer.Data.Gases.Air(x = 0.012)}, UFra = 1.4);
nLay
which no longer exists.