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Old 06-23-2008, 09:08 AM   #1
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Old 06-23-2008, 09:08 AM   #2
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Old 06-23-2008, 09:10 AM   #3
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You might not be getting enough air flow across the coils. check your vents.????
Lloyd, Cheryl & Samantha our Shih-Tzu
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How's that hope and change working for you???
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Old 06-23-2008, 04:50 PM   #4
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Insufficient air flow is the most likely problem. Some possible causes are dirty air intakes (interior intake & filter), air leaks between the output side and the intake (chilled air recirculates to the intake side), or low fan speed (is it on Auto or LO?).
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Old 06-24-2008, 03:11 AM   #5
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RV Roamer said it. Dometic recommends(the tchs there) that the customers only use the HIGH fan speed. Also open your inside grate and check to make sure you have no gaskets leaking. You will probably see a white vinyl one with double stick tape, make sure it is sealed all the way around, I then use metal tape and seal around the edges(especially in ducted models direct vent wont be as bad.)

The make a A/C cleaner as well that is a aerosol can that I found cleaned it the condensor well, and I dont beleive you needed water.
Lenny and Chrissy

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Old 06-24-2008, 03:52 AM   #6
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BRIANPISONI, welcome to iRV2.

I believe there is a freeze sensor on the AC.

Unfortunately, I don't have any details on it.
Adios, Dirk - '84 Real Lite Truck Camper, '86 Wilderness Cimarron TT, previously 4 years as a fulltimer in a '07 DSDP

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Old 06-24-2008, 08:16 AM   #7
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Ther should be a freeze sensor sticking intot he evaporator coil. Make sure it is in place as they will sometimes come loose.

Next, clean the air filters (I do every two weeks of use), make sure the evaporator coil is clean, make sure you are not bypassing inlet to outlet air due to an internal gasket or baffle problem. And last, run the unit on HIGH speed.

Thes should take care of any problem. There is a very remote chance that you have a leak and are low on refrigerant.

With the unit operating on high and for at least 5 minutes, check the temperatrue intot he unit and then at the closest outlet to the unit. The leaving air should be 18 to 20 dF lower than the inlet. If you are in this range, everything is working good. Lower or high can indicate a problem.

But most problems with RV A/C units are related to air flow.


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