Since the image is huge, you don't need that high min/max rate. I lowered my min/max rate to -5,-3
Vray SketchUp will now begin to write the data in your hardrive. The Vray frame buffer will appear and you will see on the very top it reads "preview of the file output size that you have entered".
Vray SU by default uses gamma 2.2. When we open the file in Photoshop you should not be surprise why it's too bright. In order to convert the Gamma 2.2 to 1.0, select image/ adjustments/exposure.