I am so sorry. I somehow totally missed that and went right from the outside air supply forcing more air in to the cooler not being able to work on it's on. I try to read carefully, but clearly failed here.
Again, sorry (and thanks for pointing it out without calling me an idiot!)
ETA - I guess quoting didn't work since C6PT7 didn't having anything quotable (so I added something so that the link was valid).
Hey! No harm!
We all miss things sometimes and thanks for owning up to it, and not editing your previous post like some members do!
