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Thread: AC Problem

  1. #1
    Seasoned Camper
    Join Date
    Jan 2020
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    AC Problem

    2019 351M loaded. Has 3 AC units, two work great. Rhe one in the bedroom blows tepid i guess you could say, not cold but not hot. Filters are clean...on an 82 deg day it will barely get the temp down to 74. All the windows are tinted and i have additional blankets on them on the "sunny side" to help keep heat out, and trailer has the extra climate insulation package. Coleman Mach. Can you recharge these things or a temp sensor maybe

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  2. #2
    Paid my dues 😁 FT4NOW's Avatar
    Join Date
    Sep 2016
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    I would remove the plastic shroud on the inside of the camper, there is a baffle that can become dislodged and allow the discharge to go back to the intake. There is also a temp probe in the condenser that can fall out. I had both issues on my Momentum, the baffle issue was on all 3 ACs. There are some discussions on this somewhere on the forum.

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    2023 Momentum 398M-R
    2023 Chevy Silverado 3500 HD CC/LB/DRW

    SOLD - 2021 Reflection 311BHS
    SOLD - 2017 Momentum 399TH

  3. #3
    Commercial Member huntr70's Avatar
    Join Date
    Sep 2013
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    Stick a digital thermometer in one of the vents and see what the actual temp is coming out at.
    Inventory Manager at Tom Schaeffer's RV, Shoemakersville, PA
    [email protected]
    2011 RAM 3500 SRW Outdoorsman Edition 4X4, 6.7 Cummins--TWEAKED!
    2021 Reflection 310RLS

  4. #4
    Rolling Along
    Join Date
    Mar 2021
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    If you are getting a 18-20 degree split between room temp and discharge air temp, the unit is operating correctly. I would also look the ducting at the unit(if it is ducted and make sure everything is taped correctly and you are not blowing air into the ceiling
    2010 Jayco 26(SOLD)
    2011 Keystone Outback 277RL(SOLD)
    2021 Grand Design 268BH
    2013 Ford F250 XLT, 6.2L Gas

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