AC - puddle on floor / can drain pan be swapped by a novice?

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Old 06-17-15, 04:57 PM
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AC - puddle on floor / can drain pan be swapped by a novice?

I went into my basement the other day to find a pool of water coming from the AC unit. I dried out the area and switched the unit back on today.

All looked to be working fine... the coils were getting covered in condensation, dripping into the pan and then flowing out the pipe as expected. None of them were freezing over.

Then I took the filter out (which is sat under the drain pan) and saw it had a wet patch about 5" around on it so I assume the drain pan is cracked somewhere.

The cover of the unit says "Unitary Products Group" and the model number is F2RP036N06B. I think this is the manual
http://johnsonsupply.com/york2001/pu...2/out/tg4y.pdf

What I can't work out is how I would change the pan or even whether it's something a non-pro can do (it's an upright/upflow installation)

Looks like at the very least I would need to undo the copper pipe that connects to the coils but that seems like a bad and possibly dangerous thing to do :-)

Any thoughts on how to proceed without paying someone?
 
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Old 06-18-15, 08:22 AM
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You definitely don't want to disconnect the refrigerant lines to the coil! If the pan is really shot, I think this is a job for a pro, but first I would make sure it's not something simple, like a partially blocked drain. Spiders love to build little nests in there and either totally or partially block the line. It may have just backed up. I'd flush out the drain and then keep an eye on it for a while.

And if you have a tiny rusted through spot or a crack, you may be able to patch it well enough to get by. I'd certainly try that IIWM. Good luck!
 
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Old 06-18-15, 10:06 AM
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Thanks for responding.

This may be a dumb question but if there was a blockage somewhere, I would see the water overflowing, right?

I sat and watched the coils for about an hour while they were getting colder and dripping water. The only way I knew something was leaking was when I pulled the filter out and saw a wet patch.

I guess it could be overflowing in an area I can't easily see
 
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