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Old 06-12-2013, 07:30 PM   #15
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Actually it's not such a bad idea!!
The condenser fins will ice up causing the cooling to be less UNLESS the unit has a defrost cycle.
Our heat pumps will run for a while then do a reverse cycle to melt the ice.
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Old 06-12-2013, 08:22 PM   #16
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Find a new RV shop.
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Old 06-12-2013, 08:49 PM   #17
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ac

I say run the crap out of it-thats what they do-we have a 1996--run it alot--keep the thermostat on 68--seems like to let the MH get hot during the "shut down" period would stress the ac more than just letting the thing run--just my opinion--Vince
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Old 06-12-2013, 08:51 PM   #18
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Old 06-12-2013, 08:55 PM   #19
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Actually it's not such a bad idea!!
The condenser fins will ice up causing the cooling to be less UNLESS the unit has a defrost cycle.
Our heat pumps will run for a while then do a reverse cycle to melt the ice.
That's because in HP mode they are evacuating cold to the outside . . . while it's cold outside. Then they flip to what is "normal" flow (heat out, cold in) and warm up the outside coils.
In normal flow, you have hot, inside air running over your evaporator coils and they won't freeze up UNLESS you have bad air flow. So run it in high, not low, and keep it all clean.
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Old 06-12-2013, 08:56 PM   #20
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Guess he has never been in the south where it's hot. We set the thermostat and forget it. On 100 degree days they run for hours. Travel trailer and two coaches living in the south..... Never a problem. Enjoy the cool air.
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Old 06-12-2013, 08:57 PM   #21
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I have two ACs and not all are alike. At times I run both together or one alone. But to take the load off of the AC, will use an exhaust fan to evacuate the hot air and I also run a box fan to circulate the cool AC air.
Curious about using an exhaust fan to extract air with the AC on "to take a load off the AC". If you extract air, then outside air must be brought in to replace the extracted air. In some climates, the outside air could be very humid as well as being hotter than the air inside - so I would not want to introduce more hot humid air into my unit.

So how does running an exhaust fan take the load off the AC? Just a bit confused on this issue.

Thanks - I would like to understand the physics behind this theory.
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Old 06-12-2013, 09:25 PM   #22
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Maybe he is saying if the comp. stays kicked in for any longer than 45 min. The unit will freeze up.If that is not what he was saying then I'm saying he's nuts .
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Old 06-12-2013, 10:38 PM   #23
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The ONLY time that's logical is if there is a problem with your ac...
i.e. low on coolant or poor air flow if the filters blocked....etc...

Did you ever turn your house ac off every few hours ?

I think we all agree - he's an idjut !
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Old 06-13-2013, 08:34 AM   #24
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Only thing you have to think about is freeze-up. Read some threads on this forum on how to prevent your units from locking up when it is the hottest outside.
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Old 06-13-2013, 09:14 AM   #25
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Heat index was 102 degrees yesterday here in the Midwest. Main a/c ran continuously until around 0400 when it finally shut off. It was set at 72 degrees during the day and 67 degrees at night. What can I say-we like it to be cooler when we sleep.
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Old 06-13-2013, 09:21 AM   #26
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He probably heard that from his friend who is the lead tech at a CW store.
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Old 06-13-2013, 09:24 AM   #27
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Run it like you rented it
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Old 06-13-2013, 02:44 PM   #28
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Thanks for the info. I called the Winnebago dealer that sold me the Itasca in the Seattle area. He said the same basic thing as all of you.

I use t he AC in my 95 Buick constantly. That's one reason why I bought it.

Thanks again.
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