I heard back from the support team at Vertex. Surprise!! we all are wrong. The fan is supposed to blow OUT and pull hot air from the enclosure and blow it out. He said: ..
This is interesting, especially considering he is outnumbered, and his way, burned up your cooling fan.
It might seem counter intuitive to protect the cooling fan, by blowing in cool air across it. But here's the thing, that cheap little cooling fan, protects the pump, from overheating, and when the cooling fan fails...
I guess that would be another sale for them, not so good for you.
