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06-13-2018, 02:28 PM
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#21
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Seasoned Camper
Join Date: Apr 2018
Location: Kerrville
Posts: 71
M.O.C. #21569
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We just had our roof replaced with flex Armor, fantastic product, in the process of prepping the roof they had to remove both a.c.,s the rear one that is ducted had a 3 1/2" hole going to th attic, WTF .no wonder it v was so warm in here, one with the new roof and hole to the attic covered were able to keep cool with just 1 AC.the two larger vents on the ceiling are return air vents with filters that need to be cleaned good luck. Mike****
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06-13-2018, 04:03 PM
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#22
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New Member
Join Date: May 2016
Location: OTISVILLE
Posts: 4
M.O.C. #18622
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A/c vents
Quote:
Originally Posted by AZ Traveler
They should all be A/C ducts.
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Hello,
Check your main A/C vent at the ceiling. On some units there is a diverter tab. If you can see it is open then most of the airflow comes out in the living area only. Flip it to the closed position and air will be diverted to the vents you mention. It will not force much air to the front of the unit but it's better than nothing.
It is kind of hard to see. You may have to use a step stool to get to it. I use a 1/2 inch dowel about 2ft long to move it.
Good luck
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06-13-2018, 04:10 PM
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#23
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Established Member
Join Date: Jul 2016
Location: Conyers
Posts: 21
M.O.C. #18815
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I have the same model, all ceiling vents are for ac
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06-13-2018, 04:39 PM
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#24
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Montana Master
Join Date: Oct 2014
Location: Hagerstown
Posts: 911
M.O.C. #16013
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and?
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__________________
2018.5 3791 Rear Den Montana, on the lake no 3rd A/C, Mini Split
Electric Brakes ..... Disk Brakes, it`s the only way
F350 Ford Dually 4:10`s w/bags (payload 5595 lbs) Sumo Springs 63 gal aux tank
Reese Goosebox Mor/Ryde SRE 4000 X Factors Monroe shocks.... real smooth ride
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06-13-2018, 10:13 PM
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#25
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New Member
Join Date: Jul 2014
Location: Madras
Posts: 3
M.O.C. #14533
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Quote:
Originally Posted by AZ Traveler
They should all be A/C ducts.
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They are definitely A/C out put air vents !!
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06-13-2018, 11:56 PM
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#26
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Montana Master
Join Date: May 2018
Location: livingston,tx
Posts: 577
M.O.C. #21685
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Our 2018 3790RD put's out heat and ac in the living room and kitchen, although it is a heat pump. Only ac in the bedroom as it is not. Furnace supplies heat throughout the unit from the kitchen thermostat from the floor vents only.
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06-14-2018, 12:11 AM
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#27
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Established Member
Join Date: Feb 2018
Location: New Bern
Posts: 10
M.O.C. #21239
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A/c supply vents. Close slide on main unit and a/c will be distributed more evenly.
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06-14-2018, 07:42 AM
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#28
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New Member
Join Date: Feb 2015
Location: Biloxi
Posts: 9
M.O.C. #16068
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Quote:
Originally Posted by Machfun
We recently purchased a 3791RD. I see these vents in the ceiling (see attached photo) but I can't figure out what they are for. The heat comes out of floor registers and the A/C only comes out at the one unit above the fireplace. Anyone know what these are for?
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AC Vents
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06-15-2018, 03:02 PM
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#29
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New Member
Join Date: Jun 2018
Location: Tucson
Posts: 2
M.O.C. #21934
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Quote:
Originally Posted by Machfun
We recently purchased a 3791RD. I see these vents in the ceiling (see attached photo) but I can't figure out what they are for. The heat comes out of floor registers and the A/C only comes out at the one unit above the fireplace. Anyone know what these are for?
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Close off the main event, a/c will come out the round vents throughout your RV.
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