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Old 07-23-2015, 01:33 PM   #11
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Thanks for all the input. Annette I am with you and I will let you know. To much money to be told thats the way it is. Some of you have replied that you have no problems. That tells me that there is actually something wrong with this trailer; be it unit, ducting or whatever. We stayed in it 2 nights and its been at dealer ever since. Had 40th anniversary trip planned, but its postponed for a while. Thats when the really agitated part starts.
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Old 07-23-2015, 01:52 PM   #12
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Not the cold air return for the AC but the vents for the furnace. I don't mean this as a fix but as a diagnosis to the problem.
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Old 07-23-2015, 02:29 PM   #13
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Has you dealer talked to COLEMAN? It may by an unit problem and nothing to do with the install. If you are not getting a 15/20 degree temp drop(inside air 80, air out of the ducts should be 60-65) it may not be cooling to full capacity.
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Old 07-23-2015, 02:34 PM   #14
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Dealer said it was in the 20 to 22 degree range. But temp outside is 95 and inside will be 84 to 85 degrees. They tell me the trailer is too big for a 15,000 unit
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Old 07-23-2015, 03:08 PM   #15
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Quote:
Originally Posted by L L Wright View Post
We just bought a 2015 38 FLSA. Front unit will cool down about 10 degrees cooler from outside temp. Anybody else having or heard of this problem?
Where is your second unit mounted? Mine is in the front BR and it can get below 69 in there if I let it.
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Old 07-23-2015, 03:14 PM   #16
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2nd unit is in bedroom which is in back. It will freeze you out. Its just the kitchen and front living that stays hot. Jayco must be planning on the back unit to put air in the front because both units are 15,000 BTU's and the bedroom is half the size as the front. The dealer tried to shut or change airflow through out the unit to do this, but it didn't work.
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Old 07-23-2015, 07:43 PM   #17
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I have roughly the same size unit as you in sq ft and my unit has been good on AC. A few things to consider that I have done that may help.

I have plexiglass over my screen door to limit the AC/heat transfer. In my BR I keep only one chill grill vent open, close the bathroom vent as well which does increase volume in the living area when both are going. I would shut 2 vents in the BR and set the temp 5 degrees lower than the front, keep the BR door open to allow for more cold air to flow forward.

Perhaps a fan on the floor to push air from the back to the front on really hot days might help.

I also invested in registers that close for all my heat registers. Cost was $60.00 for all.
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Old 07-24-2015, 11:17 PM   #18
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2015 38flsa- Similar issues with the a/c. When it's warm (mid 80's)the front of the unit never cools to theramsat setting (73) runs continuously. We've tried running both the bedroom a/c and the front one and it really doesn't make a difference. The bedroom a/c runs for about 20 seconds then shuts down then 5 minutes later it turns back on for about 20 seconds and shuts down again and again all night. Again this is when it's real warm. Unit definitely has a cooling issue
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Old 07-25-2015, 06:59 AM   #19
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Does your a/c blow cold? or do you have poor/low air flow from the ducts? I have a 2015 Eagle 345BHTS and had very low duct discharge pressure, it turned out to be rubber roof material blocking 3/4 of the duct opening at the a/c unit. The factory runs roof material over entire room, a/c guy trims excess roof material to mount a/c he did a crappy job by not trimming roof material well thus blocking both duct runs. Dealer will not look that hard to find this problem, I took entire unit apart to find this. hope this helps.
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Old 07-25-2015, 08:52 AM   #20
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We have a 2013 Pinnacle LKTS and you might look for the issue that I discovered on ours...both the front and rear units. There is a piece of rigid foil backed insulation between the return and the cold air side. The manual calls this piece the "duct divider" on ours (Coleman AirExcell) and it's just pressed into place. When our unit would cycle up, the blower pressure would partially dislodge this piece and the result was to have a good portion of the cold air to just go right back into the return rather than be sent through the duct. It also caused more blower noise at the return. Once discovered, it was easily secured in place but very poor design IMHO.
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