Posted by OH Boy on September 14, 2019 at 18:57:10 from (174.232.4.59):
In Reply to: OT: HVAC? posted by Geo-TH,In on September 14, 2019 at 04:31:52:
Air can flow either way through the A coil. There are plenty of systems that are downdraft where the A Coil is mounted on top and air flows from the a-coil down to the blower. The main problem with this arrangement is the blower motor can be cooled down so much that humidity condenses on it. So, it is better if the blower blows the air through the coil instead of sucking it through.
You need to clean that A coil to assure that air is flowing through it freely. Spray it with some of that scrubbing bubbles stuff.
In addition you need to make sure the drain pipe is clear. Blow through it to ensure its not blocked up.
The drain needs to have a trap on it. If air is allowed to suck back through the drain pipe it pulls the water back with it and it will quickly overflow the drain pan.
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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