Help with Flow Simulation in Simple Enclosure

Hello,

I'm trying to run what I thought would be a simple natural convection flow simulation of an enclosure with a 150W node inside.  All I want to find is max temperature of the internal air and how it flows through the enclosure.  I am new to Flow, so I've only done a couple of the tutorials to learn the basics, but I must have missed something because my results do not seem right.  I'm only getting a temperature rise of a couple degrees inside the enclosure.  Also, inlets are supposed to be the lower, rear louvers and outlets are supposed to be the front lid overhang vents.  When I do a dynamic trajectory, the air is coming in through the lid vents.  ?!?!?!  I've attached my Pack&Go, any help, tips and tricks would be greatly appreciated.

Thanks,

John

SolidworksFlow Simulation