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Old 08-21-2012, 11:33 PM   #1
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a/c doesnt turn off

Hello everyone! I just got my first camper in July. A Crusader 325RES. So far we love it. I'm having an issure with the a/c tho. No matter what temp setting I set the unit runs all the time. I turned it to 90° tonight and it kept running. I have a digital thermometer that says my camper is 70.4° so I'm not sure why it wont kick off. Any ideas?
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Old 08-22-2012, 12:07 AM   #2
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On a camper AC, the fan always runs. The compressor cycles when needed to maintain temp, but the fan always runs. It's a design, too lengthy to get in to, but keeps it from freezing up. Kind of like the AC in your car, the fan always runs, but the compressor will cycle as needed. Hope this helps.
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Old 08-22-2012, 12:13 AM   #3
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In my rig, I can select fan and then adjust to auto, low, and high. Low and high are fan on options. Auto will allow the fan to shut off at desired temp.
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Old 08-22-2012, 12:15 AM   #4
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When mines set to auto and a/c reachEsther desired temp it shuts off.
If it's set to (on) then the fans run non stop and a/c compresser only cycles .
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Old 08-22-2012, 06:09 AM   #5
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Which setting is best, auto or on?
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Old 08-22-2012, 06:34 AM   #6
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We use Auto, have you checked your filters? Dirty filters can do lots of things...personal experience! Auto is like the a/c in your house..cycles on/off once the desired temp is met.
On will run until you turn it off.
Andi
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Old 08-22-2012, 08:39 AM   #7
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Thanks for all the replys. My thermostat doesn't have an auto option. It just has "furnace, cool, fan hi/low" I have it set at 75° but when I woke up this morning it was 62° in the camper and cold air still coming out.
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Old 08-22-2012, 08:46 AM   #8
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Quote:
Originally Posted by travelinfitter View Post
Thanks for all the replys. My thermostat doesn't have an auto option. It just has "furnace, cool, fan hi/low" I have it set at 75° but when I woke up this morning it was 62° in the camper and cold air still coming out.
Think you should get the manual out for the thermostat and read it very carefully. There has to be a way to shut the ac off & turn the furnace on/off and have neither furnace or ac run.
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Old 08-22-2012, 08:56 AM   #9
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On that thermostat, repeated presses of the "On/Off Mode" button will cycle the system through Fan, Cool, Furnace, and Off. When the Furnace LED is showing, press the button one more time and WAIT. It may continue running for 30 seconds or so, but it will turn off.

Joel
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Old 08-22-2012, 09:03 AM   #10
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I agree-read the manual. I believe by pressing the on/off mode it will show "auto" I know ours does
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