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Old 09-18-2019, 05:28 AM   #1
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Air conditioner not cooling

Have 2008 Holiday Rambler Augusta 29' which has an Carrier Air V

recreational a/c. (which they no longer make I was told). a/c comes on, compressor cuts on, but no cool air and fan works also. Love this a/c as it did fantastic job cooling even in Louisiana's hot hot weather. do you think (and I hope) it needs freon? Thanks


ladyrvr66 & Crystal (rescue dog)
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Old 09-18-2019, 06:17 AM   #2
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My understanding is that typically our units don't just need more Freon.
I did find a link with a manual that may help a little.

go to the 4th post to see the link to repair manual.

https://www.rv.net/forum/index.cfm/fuseaction/thread/tid/21637351.cfm
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Old 09-18-2019, 06:24 PM   #3
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Rv ac aren’t not serviceable to add Freon. There is no port to charge it. Being a carrier it’s likely leaked out on the driver side where the bend in the pipe from compressor is. Unfortunately if the compressor comes on the ac will need to be changed. You don’t want to replace with less then a 15k btu if your in warmer climates.
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Old 09-18-2019, 06:43 PM   #4
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Freon can be added but the labor cost and cost of freon will be as much as a new unit. I repaired and added freon to mine but i had the freon and my labor was free.
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Old 09-18-2019, 06:44 PM   #5
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It is hard to add refrigerant to an RV A/C unit. On 11 year A/C unit is really not worth the cost of repair. Just replace it with a Coleman unit.

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Old 09-18-2019, 09:04 PM   #6
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Quote:
Originally Posted by Southern-Rv View Post
Rv ac arenít not serviceable to add Freon. There is no port to charge it. Being a carrier itís likely leaked out on the driver side where the bend in the pipe from compressor is. Unfortunately if the compressor comes on the ac will need to be changed. You donít want to replace with less then a 15k btu if your in warmer climates.
If you put in a 15000 BTU unit, can you still run on 30 amps or will you have to be 50 amps.
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Old 09-18-2019, 09:14 PM   #7
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If you put in a 15000 BTU unit, can you still run on 30 amps or will you have to be 50 amps.


It will run on 30 amps.
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Old 09-21-2019, 10:18 AM   #8
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No problem on 30 amp. Down in south florida won’t even install smaller then 15 unless it’s a 3rd unit for a coach
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Old 09-22-2019, 08:13 AM   #9
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To the OP - you need to replace your current air conditioner. Please note that neither of the brands currently sold (Dometic and Airexcel) are compatible with your thermostat wiring. Having to replace the thermostat will add to your overall cost.
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Old 09-22-2019, 07:26 PM   #10
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To the OP - you need to replace your current air conditioner. Please note that neither of the brands currently sold (Dometic and Airexcel) are compatible with your thermostat wiring. Having to replace the thermostat will add to your overall cost.
There are some adapter plugs for certain models to swap out from the old carrier ac. Not worth it though less then 100$ for new digital thermostat easy to swap out as well.
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Old 09-22-2019, 09:25 PM   #11
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First off check start run capacitor, cheap replace it first and see what happens
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Old 09-22-2019, 11:12 PM   #12
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Most likely culprit is a bad capacitor, ($15-$30)
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Old 09-23-2019, 06:11 AM   #13
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Most likely culprit is a bad capacitor, ($15-$30)
OP mentioned that both the fan/compressor are coming on.
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Old 09-23-2019, 07:56 AM   #14
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There are some adapter plugs for certain models to swap out from the old carrier ac. Not worth it though less then 100$ for new digital thermostat easy to swap out as well.



Thank you so much. Will try check out. I sure can't afford new a/c right now. THANK YOU
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