Testing an rv AC unit ...
horseygirlFL
Reg. May 2012
Posted 2012-12-02 6:48 PM (#148682)
Subject: Testing an rv AC unit ...



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Posts: 49
25
Location: Central Florida
I have a credit at a local junk yard. They have several RV's that have AC units and they are willing to sell me one for a really great price.

These units have a limited guarantee (30 day warranty) to work.

My question is ... how can I tell if they work? What sort of power source or method can I use to test them and see which one works the best? It looks like I have six units to choose from. Each one current installed in RV's. The RV's are in a junk yard because they are broken for various reasons so it's not like I can just walk in there and flip on switches and stuff.

Thanks in advance for replies.
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cajunmuleman
Reg. Oct 2011
Posted 2012-12-02 7:19 PM (#148683 - in reply to #148682)
Subject: RE: Testing an rv AC unit ...



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Location: Rayne, LA
They all use 115 volt to operate. If shore power is not available try a generator ( i would say at lease 3500 watt) If you are lucky you can just plug in the RV, if not you would have to remove the inside grill and get to the wiring to power it up. These units come from the factory without service ports to check the refrigerant, so if it has them then that would be a sign that the unit  probably has a refrigerant leak or the compressor has been changed.Let the unit run for 15-20 minutes and the evaporator coil should be sweating. This may be tough if it is cold outside but would let you know if the refrigerant level is good. This is the coil inside the trailer. Also check the motor bearing for slack. The motor should spin freely but not have movement up and down or right to left. Also check to make sure fins on both coils are not bent and cover is in good shape. Don't forget the wall thermostat if it is a ducted model.
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retento
Reg. Aug 2004
Posted 2012-12-03 3:40 AM (#148688 - in reply to #148682)
Subject: RE: Testing an rv AC unit ...


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Location: Rocky Mount N.C.

 

Originally written by horseygirlFL on 2012-12-02 6:48 PM

I have a credit at a local junk yard. They have several RV's that have AC units and they are willing to sell me one for a really great price. These units have a limited guarantee (30 day warranty) to work. My question is ... how can I tell if they work? What sort of power source or method can I use to test them and see which one works the best? It looks like I have six units to choose from. Each one current installed in RV's. The RV's are in a junk yard because they are broken for various reasons so it's not like I can just walk in there and flip on switches and stuff. Thanks in advance for replies.

 

 

What do you call a "really great price"? It would have to be almost free before I would even touch it...

 

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RTSmith
Reg. Nov 2003
Posted 2012-12-03 2:06 PM (#148697 - in reply to #148682)
Subject: RE: Testing an rv AC unit ...


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Posts: 807
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Location: Tenn/Ala.
If it has a wall thermostat, most take 12V to operate them. So you'll need a battery or converter also.
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horseygirlFL
Reg. May 2012
Posted 2012-12-03 9:37 PM (#148704 - in reply to #148682)
Subject: RE: Testing an rv AC unit ...



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Posts: 49
25
Location: Central Florida
These are ceiling mount units in a motor home. The guy said $5 each. I may just buy both of them to use one as parts and hope one works.These dont have wall thermostats. They are just enclosed units that mount through the ceiling. I want to put one on my horse trailer so I can camp in the warmer months. It gets kinda hot and ugly in Florida in the summer months ... ;)
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hgut
Reg. Mar 2004
Posted 2012-12-04 6:01 AM (#148705 - in reply to #148682)
Subject: RE: Testing an rv AC unit ...




100
I hope you get one that works, sounds like a good deal
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