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Old 05-25-2014, 11:46 AM   #1
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Air conditioner issue - we seem to be having difficulty keeping the air blowing cool.

The air will blow cool but after a while the air isn't cool any more. We aren't abusing the air conditioner by setting the thermostat on 70, etc.

That said when I turn off the a/c for a while to let it "rest" then started the air is nice and cool again.

Any tips? This doesn't seem normal to me. I had the shop look it over last year but of course they didn't experience the issue.
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Old 05-25-2014, 11:55 AM   #2
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Make sure the thermostat fan setting in on "Auto" not "high" or Low".
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Old 05-25-2014, 11:56 AM   #3
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Thanks - it's on auto.
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Old 05-25-2014, 12:00 PM   #4
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Correction - I haven't replaced the thermostat yet (upgrade). This is what I have... Click image for larger version

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I have it on auto low... I think .
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Old 05-25-2014, 12:05 PM   #5
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Reset the thermostat to 75 and see what happens.
You could have it set to low and it is freezing up.

If it gets down to 75 then drop it to say 72 or 73 and then see.
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Old 05-25-2014, 12:54 PM   #6
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Thanks for the tips.

I reset before we headed to the pool and will report back. It was blowing cool air - set to 78 and auto-low on the fan.

It may be freezing up as you suggest.
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Old 05-25-2014, 03:09 PM   #7
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If it is ducted, you may help reduce freezing of the coils by leaving the outlet on the unit itself open to increase the airflow.
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Old 05-25-2014, 07:00 PM   #8
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Don't know if placing the fan on auto-low did the trick, but when we returned after 90 or so minutes, things seemed to be ok.

We are taking the Roo back out in a few weeks - will see how she responds with that setting.
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Old 05-25-2014, 07:01 PM   #9
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Set too low?? No such thing.

If freezing up either condenser or evaporator coils are dirty/clogged or freon charge is low.

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Old 05-25-2014, 07:04 PM   #10
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How often should the coils be cleaned? I've had the Roo for about 15 months. Perhaps the freon could use a charge. No idea.
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