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Old 06-27-2016, 09:29 AM   #1
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New Forest River HVAC Not Cutting It...

Hello,

We just traded our Cameo 5th wheel for a brand new 2016 Forrest River 5th wheel 372 LOK from Camping World and we Love It!!!!

However, the temp outside is 92 degrees (Florida), the temp inside is 88 degrees.

I have the front bedroom AC set to 75, fan on Hi and the vent shut to push the cool air to the rest of the coach.

The back AC is set to 75, fan on Hi and 3 oscillating fans throughout the coach to move air and the best I can do at high noon is 88 degrees inside.

After the sun goes down it catches up and around 2am it reaches 75 degrees.

So is this normal for Forrest River?

I've read about the collapsing returns - might be the case between the return vent and the unit on the roof. Not much air is being sucked into the return.

I did go on the roof and pull the covers, and YES the AC unit in the back was pulling a bunch of hot air from the attic (where the wires come into play). So I metal taped it all up nice and tight. But not much of an improvement for the return airflow.

With both units going the supply side is cranking out cold air.

But they run non stop. The front bedroom will reach desired temp quickly.

Any immediate ideas?

Thanks,

Mako!
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Old 06-27-2016, 10:16 AM   #2
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Pull down the the intake grill and check to make sure return/ intake divider is in place and sealed.


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Old 06-27-2016, 08:51 PM   #3
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[QUOTE=TURBS;1240740]Pull down the the intake grill and check to make sure return/ intake divider is in place and sealed.


Sorry, what is that? the return/ intake divider???

I have completely removed the grill and frame from the ceiling, reached inside, didnt feel anything but space.
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Old 06-27-2016, 09:31 PM   #4
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Looking up through intake side.


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Old 06-27-2016, 09:43 PM   #5
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I have a Cedar Creek fifth wheel and what I do is set the AC, front bedroom and living room but I don't know anything about the fan. I have a fan on the thermostat but it's never on, just the AC. I guess yours is different, my two AC will pull the temperature down.


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Old 06-28-2016, 09:04 AM   #6
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[QUOTE=TURBS;1241551]Looking up through intake side.


Thanks Turbs, I don't see anything like that for mine. It's wide open.
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Old 06-28-2016, 10:01 AM   #7
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It cant be wide open, otherwise your a/c wont cool. Hmmmmm ?!?
You have to divide intake and exhaust or its pointless

Can you take a pic of yours?

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Old 06-28-2016, 01:52 PM   #8
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Question forest river a/c

I have 2017 forest river with coleman mach ac and just bought this thing. have had rv's in past and this is not working at all. 87 outside and 83 in here after 6-7 hours. actually this rig has been a mess with other things since we bought it 2 months ago. my other rv's would run u out it was so cold
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Old 06-28-2016, 02:01 PM   #9
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I live in Central FL and my destination of choice is WAY down south Florida.
I have not had any issue with my AC keeping up. Even in this HOT weather. I was recently in a 30amp location and was able to keep it cool with 1 AC with my front window blinds closed. When I went to sleep I switched from Front AC to Rear and froze all night. I hope you find the culprit because it would make camping not fun to sweat all the time.
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Old 06-28-2016, 04:19 PM   #10
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Do you have the Mode set to Cool or is it on Fan? It needs to be set on Cool for the A/C to turn on. With the fan set to high, once the temperature set point is reached, the A/C compressor turns off but the fan stays on to keep air moving. (If that makes sense, and in case you didn't already know)

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