On Mon, 11 Jan 2016 18:53:07 -0500, Stormin Mormon
wrote:

On 1/11/2016 3:21 PM, wrote:
As far as education , I spent over 40 years in building trades , and Dad
ran an AC&R business . An observant feller that isn't afraid to show his
ignorance (that means lack of knowledge ...) by asking questions can learn a
lot ... but those who already "know everything" will continue on in their
unknown ignorance until something bite them on the ass . Yours is coming ...
Oh , and here's the link to that furnace's install manual :
http://www.armstrongair.com/_/pdfs/i..._506724-01.pdf
Which clearly says this unit can be installed in either orientation .

Thanks, Clare. That manual sure will clear up
a lot of questions.
Wasn't me that provided it, but a good manual is a good start.