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Old 04-29-2009, 07:48 PM   #1
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Can someone help me identify my ac unit please :)


Hi everyone. I am trying to identify what the specs are on our old and rapidly fading ac unit. My goal is to find something used but newer and comparable so that we can simply pay an HVAC tech to swap out and charge up the newer unit. What we have now is a Kenmore

model number: CA1024UKA1
there are more numbers next to that but not with those numbers: 867.806240
the style number: 24LC-00008764
MFG#:L900731307

not sure what these are or if it helps
RLA:12.8
LRA:65.0

If anyone can help or has any advice on a suitable replacement I would be most gracious for your help!

Thanks!

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Old 04-30-2009, 08:00 AM   #2
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Can someone help me identify my ac unit please :)


I'll take a shot at it let's see, my guess is Carrier.

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Old 04-30-2009, 08:27 AM   #3
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Can someone help me identify my ac unit please :)


Thanks wirenut. I was hoping to find out what tonnage and seerer rating it is so I can try to match that up with a used replacement that will work with the air handler that we have in the attic. Any ideas on the tonnage or anything else that would help me in finding a comperable "plug and play" replacement?

Thanks for jumping in!
Jamie
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Old 04-30-2009, 09:01 AM   #4
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Can someone help me identify my ac unit please :)


2 ton 10 SEER.

There is no plug and play match.
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Old 04-30-2009, 09:57 AM   #5
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Can someone help me identify my ac unit please :)


Hey beenthere. No way to match that up? That's going to make me cry. Does that mean to replace the outside that the air handler will have to be replaced as well?
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Old 04-30-2009, 10:04 AM   #6
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Can someone help me identify my ac unit please :)


Yep. Looks like a 1990 unit so the indoor coil is probably ready to go SOON. Waste of $$ to have to redo everything later. A new unit will draw around 10 amps vs 12.8 so it will save you lots of $$ in electricity.

Last edited by yuri; 04-30-2009 at 10:10 AM.
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Old 04-30-2009, 10:10 AM   #7
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Can someone help me identify my ac unit please :)


Air handler, or its coil.

Different brands/models of the same size and SEER used different sized metering devices.

So a 2 ton of another brand may need a larger or smaller piston.
But your indoor coil could be bogger or smaller(sq ft surface area) then the outdoor needs.
So you risk damaging the used condenser, and still having no A/C, and spending more money yet.
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Old 04-30-2009, 10:23 AM   #8
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Can someone help me identify my ac unit please :)


I just bent in the attic and got the numbers from the furnace/air handler and the coils thinking/hoping maybe I am going about this backwards by looking to the outside unit instead of the inside unit.

Coils Section has these numbers:

Model # EAH3024SA1
MFG# NEAH3024SA1
Style# EHB24A
Test Pressure 150
Factoryy installed resistor 54
Limited section of A/C 456N

And on the furnace/fan/air handler section:

HQCO
Model Number: NHGG075AF04 867.766073
MFG#5497379008
gas input BTU per HR 75,000
Air temp rise 45F-70F

Thanks for all your help and advice guys! It is most appreciated.
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Old 04-30-2009, 10:28 AM   #9
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Can someone help me identify my ac unit please :)


So Beenthere the larger or smaller piston you are speaking of would be in the coil section I am guessing? Would I have to measure the coils in the attic to better figure this out?
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Old 04-30-2009, 10:29 AM   #10
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Can someone help me identify my ac unit please :)


The 867.xxxx numbers in your first post along with those in your last lead me to believe they are a matched pair. It is NEVER a good idea to mix and match units if you intend to stay in the house and have good results. It may also void the warranty on any new condensor. Buying a used one is usually buying someone else's garbage/problem in my experience.
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Old 04-30-2009, 10:42 AM   #11
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Can someone help me identify my ac unit please :)


Measuring the indoor coil surface area, would only be the beginning.
Then you would need to count the fins per inch.

Then you would need to find the spec sheets for the indoor coil the used outdoor unit you want to use was suppose to be connected to. And see if they match.

After that. If they match. You still don't know if you'll get the same capacity.
You may not be able to get the right size piston.

Then you may have to convert it over to a TXV system. And add a hard start kit to the used outdoor unit.

And after all that. The compressor could die a week later.
And cost more to replace then you paid for the condenser. And TXV conversion.

Its your money to waste.
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Old 04-30-2009, 10:44 AM   #12
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Can someone help me identify my ac unit please :)


Thanks for your help Yuri! I am sort of in a bind at the moment and trying to do this as economically as possible by not spending money I don't have at the moment. I am shooting for 3-5 year life if I can match something up. By then I will have free funds to replace the whole thing when I add on two rooms to the house. So really I am trying to band-aid the issue knowing that it will have to be replaced with a new and larger and more expensive unit when I do the addition.
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Old 04-30-2009, 10:48 AM   #13
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Can someone help me identify my ac unit please :)


Thanks Been there. I know I know but I hate to buy a new outfit that is 2 or 2-1/2 ton now and then have to buy another new unit that is 3-1/2 ton 3 years from now. I feel like that will be more of a waste of money and that's why I am trying to go this route for now.
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Old 04-30-2009, 11:10 AM   #14
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Can someone help me identify my ac unit please :)


Look JamieS I know you are not buying anew unit no matter what we tell you. So just find a used old 2ton/24,000 BTU condenser and install it or have it installed and cross your fingers.

Just remember you get the egg timer warranty when the switch is thrown.

I bought an old car when I was younger off this old goat when we were signing the papers to complete the sale he put a egg timer on the desk I said what's that he said it's your warranty.
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Old 04-30-2009, 11:12 AM   #15
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Can someone help me identify my ac unit please :)


Thanks Sultini. I will take your advice.

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