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06-21-2018, 09:29 AM
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#1
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Senior Member
Carolina Campers
Join Date: Mar 2013
Location: Lumberton ,NC
Posts: 205
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freon
How hard is it to check the Freon level and add some if needed?
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06-21-2018, 09:40 AM
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#2
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Registered User
Winnebago Owners Club
Join Date: Feb 2018
Posts: 1,336
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Chassis or coach AC?
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06-21-2018, 09:43 AM
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#3
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Senior Member
Join Date: Nov 2015
Posts: 26,640
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If it is an RV roof top..........no way to check \sealed units---no charge valves---throw aways
__________________
I took my Medication today. HAVE YOU?
Dodge 3500 w/Tractor Motor
US NAVY---USS Decatur DDG-31
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06-21-2018, 09:46 AM
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#4
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Senior Member
Join Date: Nov 2005
Posts: 7,382
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...not to offend anyone but if you are asking the question, you are probably out beyond your "headlights" on this issue....typical newbie solution is to buy a can of 134a [not Freon] find the fill ports, throw in a can and see what happens....occasionally you get some temporary relief but usually the problems comes right back because your system is leaking....
As OB points, out this applies to automotive style chassis dash A/C; roof top A/C is a whole different conversation, and not very encouraging.....
__________________
Old Scout
2015 IH45 Foretravel
2003 Alpine 40' MDTS [Sold]
New Braunfels, Texas
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06-21-2018, 10:02 AM
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#5
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Senior Member
Join Date: May 2005
Location: Carlos, Texas
Posts: 1,746
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There are no connections for gauges on a rooftop ac. You can get a saddle tap that will sandwich over the line to connect a gauge. If it's low, you'll have to find the leak, evacuate it, fix it, vacuum it down, then recharge it. It's a complicated process that takes tools most don't have. What are your symptoms of why you think you need to look a that?
https://www.grainger.com/product/6X8...180621160034:s
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06-21-2018, 01:22 PM
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#6
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Senior Member
Carolina Campers
Join Date: Mar 2013
Location: Lumberton ,NC
Posts: 205
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-It my House ac unit I checked it yesterday and it did not feel that cool come out.
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06-21-2018, 01:35 PM
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#7
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Senior Member
Join Date: Dec 2017
Posts: 464
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How hot was it outside? Parked in the sun? 20 degree difference between inside and outside would be about typical.
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2000 Winnebago Adventurer
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06-21-2018, 04:54 PM
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#8
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Senior Member
Carolina Campers
Join Date: Mar 2013
Location: Lumberton ,NC
Posts: 205
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thanks everyone, do worry biscuit you did not offend me.
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06-21-2018, 06:02 PM
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#9
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Senior Member
Join Date: Nov 2005
Posts: 7,382
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OK--residential A/C is a totally different "kettle of fish," for one, port connecters, I believe, are different from automotive-type systems.....depending on age of system, refrigerant may also be different like 410A or whatever.....also, the 20 degree differential rule is with regard to difference between ambient indoor intake vs output air temps entering and leaving evap coil...eg, if house is 80 degrees, then output air temp would be around 60 degrees....doesn't relate directly to outdoors ambient air temps, except as with regard to system workload.... unless you have residential gauges and tools--generally not a DIY job......
__________________
Old Scout
2015 IH45 Foretravel
2003 Alpine 40' MDTS [Sold]
New Braunfels, Texas
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06-21-2018, 08:51 PM
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#10
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Senior Member
Join Date: Dec 2017
Posts: 464
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I guess I should have been more specific about the 20° temp difference between inlet air and outlet air. i was thinking fresh outside in and the temperature of the discharge air.
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2000 Winnebago Adventurer
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06-21-2018, 10:29 PM
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#11
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Senior Member
Join Date: Aug 2012
Posts: 1,076
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Home A/C probably uses F22 Gauge to low side fill till about 60-65 psi shows.'
Heck, I get 20 degrees depression with my evaporative cooler here in the summer!
Have to turn it off at night, it gets too cold!
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