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Old 04-29-2012, 09:49 PM   #11
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Our Bedroom A/C still Freezes up no matter what we do.

We have to leave the "Chill Grill" registers open to prevent it from freezing up.

Do not know why Jayco only put a duct on one side of the bedroom A/C unit.
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Old 04-29-2012, 10:03 PM   #12
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Our Bedroom A/C still Freezes up no matter what we do.

We have to leave the "Chill Grill" registers open to prevent it from freezing up.

Do not know why Jayco only put a duct on one side of the bedroom A/C unit.
Rob, have you reported the problem and possible design improvement to Jayco and your dealer?

Hopefully they will listen and improve the design for future models.

What could/should they do to prevent it from happening? Is there a modification you can make?

When my single 15K AC freezes up, it has always been a clogged return air filter. But I'm sure you've already checked that.
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Old 04-29-2012, 10:12 PM   #13
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Yep, been checking the filter regularly and keeping it clean.

Just sent it to Jayco this evening on the contact tab on their website, will see if I get a response and or suggestions on how to modify or correct.
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Old 04-29-2012, 10:20 PM   #14
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Yep, been checking the filter regularly and keeping it clean.

Just sent it to Jayco this evening on the contact tab on their website, will see if I get a response and or suggestions on how to modify or correct.
Please keep us posted with their response.
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Old 04-30-2012, 07:33 AM   #15
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This Jayco is my third 5th. I traded an Laredo ,2 years old with 1 ac, for my 321RLTS Jayco, and loving the second a/c.
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Old 04-30-2012, 07:48 AM   #16
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The BR ac on my new rig is not a low profile unit. It is a 13.5 k cool only version. The lo profile must be ordered specifically.

BTW, I had to raise my storage shed a little over a ft but the ac was not the reason. The new rig was a ft taller. The front AC is the high point.
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Old 04-30-2012, 09:05 AM   #17
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Originally Posted by Rob_Fla View Post
Yep, been checking the filter regularly and keeping it clean.

Just sent it to Jayco this evening on the contact tab on their website, will see if I get a response and or suggestions on how to modify or correct.
Normaly "low airflow" is the culprit allowing the evap coil to freeze.Dirty filter,closed vents 1st suspects. Coil should be around 45-50 Degrees when working properly and temps getting warm outside.Might just be undercharged which needs repair.
A simple cure if all else fails is get an AC tech to add a "freeze thermostat" to the evap coil that turns off compressor when coil approachs freezing,I use a stat set at 35Degrees F.
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Old 04-30-2012, 08:38 PM   #18
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The BR ac on my new rig is not a low profile unit. It is a 13.5 k cool only version. The lo profile must be ordered specifically.

BTW, I had to raise my storage shed a little over a ft but the ac was not the reason. The new rig was a ft taller. The front AC is the high point.

How high is your rig? Mine is 13' 4" when hooked up to the truck (ouch). Really have to watch where your going. A low profile AC would be a nice addition. 2 or 3 inches would make quite a difference.
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Old 05-01-2012, 12:30 PM   #19
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same height, 13'4"
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Old 05-02-2012, 06:42 PM   #20
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Please keep us posted with their response.
Jayco' response is below;

Dear Mr. Eaton,

The air conditioner should only be run on high speed for the initial cool down with the chill grill open. After 10-15 minutes the AC fan should be switched to low speed. Understand that the AC will only cool about 15 degrees below outside ambient temperature. This is also affected by humidity. By running the AC on high all the time it does not allow the moisture to evaporate and drain from the cooling unit causing a freeze up. I also recommend the use of a dehumidifier in high humidity regions such as Florida.

Sincerely,

Roger Johnson
Customer Service Specialist
Jayco, Inc.
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