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07-08-2013, 10:58 AM
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#1
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Member
Join Date: Jun 2013
Location: IDAHO
Posts: 31
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A/C
I was wondering if anyone runs there 15000 btu A/C with the shore power only hooked up to a 15 amp plugin? Can that cause damage to the A/C unit?
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07-08-2013, 11:33 AM
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#2
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Senior Member
Join Date: Feb 2012
Location: Port Townsend Washington
Posts: 121
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Shouldn't be a problem unless it draws more than 15amp or the line voltage drops below 110-106volts. A digital voltmeter is a nice thing to have to help monitor the voltage in the trailer. A progressive surge gaurd is nice too. But a much more expensive option.
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07-08-2013, 11:44 AM
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#3
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Senior Member
Join Date: Jan 2013
Location: Golden Co
Posts: 367
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Hi Jumpy,
Two issues. First a 15000 AC pulls between 16 and 17 amps (full load). So you may see the breaker to your 15 amp outlet trip occasionally. That not good for the AC, but if it doesn't trip too often...
Second, voltage drop. If you use a standard extension cord, you will get a lot of voltage drop. That is hard on the AC. If you gotta do it, use a heavy duty extension cord. At least 12 gauge.
Generally not something you want to do a lot of.
__________________
Mark S.
2014 Cougar 318SAB
2015 Silverado 3500HD 6.6L Diesel 4WD CC SB
18K Pullright Hitch
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07-08-2013, 12:59 PM
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#4
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Senior Member
Join Date: Jun 2013
Location: near Lake Geneva, WI
Posts: 227
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I can run mine off a 20amp circuit with 15 feet of 12 guage extention cord between the outlet and the shore power cord.
I dont do this all the time, just when it's nasty hot and I'm working on something in the trailer.
I could not get it to run on a 15amp circuit without poping the breaker.
__________________
Scot
2014 Ram 1500 Laramie
2014 Raptor 27FS
2016 Polaris RZR S900
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07-09-2013, 03:48 PM
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#5
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Senior Member
Join Date: Mar 2011
Location: Colorado Mountains
Posts: 422
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If voltage INSIDE the RV with the A/C running is at least 110 VAC, no problem. If it is under that, you may well damage your A/C.
__________________
Chuck
Wonderful Wife
Australian Shepherd
2010 Ford Expedition TV
2010 Outback 230RS Toybox, 5390# UVW, 6800# Loaded
Not yet camped in Hawaii, 2 Canada Provinces, & 2 Territories
I can't be lost because I don't care where this lovely road is going
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07-24-2013, 02:42 AM
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#6
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Senior Member
Join Date: Feb 2011
Location: erie pa
Posts: 208
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Does anyone know what kind of damage can be done to the AC if run under a low voltage. My son ran his off a faulty generator over the weekend. It doesn't cool. I changed the thermostat yesterday and checked all fuses and breakers with no luck. Took the lid off on top and all is clean up there. The fan works. Don't know where to look next. It's a Coleman-Mach.
__________________
Rich and Deb
Erie, PA
2011 Ford Screw with Ecoboost
2010 Keystone Hornet 28RLS
Hensley Hitch
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07-24-2013, 03:53 AM
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#7
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Senior Member
Join Date: Jan 2013
Location: Golden Co
Posts: 367
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Does the compressor turn on?
Sent from my iPhone using Tapatalk 2
__________________
Mark S.
2014 Cougar 318SAB
2015 Silverado 3500HD 6.6L Diesel 4WD CC SB
18K Pullright Hitch
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07-24-2013, 06:43 AM
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#8
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Senior Member
Join Date: May 2012
Location: North Florida
Posts: 1,241
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I have run my AC down at 108 volts without damage during heavy demand times. As voltage drops it must be compensated for with amperage which builds heat and can also damage electrical plugs and cords. A 15amp circuit is not going to do well for the AC. You will be flipping that breaker a lot.
__________________
2006 Keystone Hornet 29RLS (The Cracker Cabana)
2009 F-250 SuperDuty CC 6.8L/4.10 (The Black Pearl)
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07-25-2013, 01:54 AM
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#9
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Senior Member
Join Date: Feb 2011
Location: erie pa
Posts: 208
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No, it doesn't seem as though the compressor is coming on.
__________________
Rich and Deb
Erie, PA
2011 Ford Screw with Ecoboost
2010 Keystone Hornet 28RLS
Hensley Hitch
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07-25-2013, 05:35 AM
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#10
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Senior Member
Join Date: Jan 2013
Location: Golden Co
Posts: 367
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Rich,
It is hard to diagnose with just posts, but I would guess the compressor is bad. Probably time to go to the dealer.
Sent from my iPhone using Tapatalk 2
__________________
Mark S.
2014 Cougar 318SAB
2015 Silverado 3500HD 6.6L Diesel 4WD CC SB
18K Pullright Hitch
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07-25-2013, 02:41 PM
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#11
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Member
Join Date: Jul 2013
Location: Yakima, Wash.
Posts: 55
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Dose the compressor make any noise at all?
PND
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07-25-2013, 04:29 PM
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#12
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Senior Member
Join Date: Feb 2011
Location: erie pa
Posts: 208
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No. Compressor doesn't even try to kick on. You can't even hear a draw on the electrical system.
__________________
Rich and Deb
Erie, PA
2011 Ford Screw with Ecoboost
2010 Keystone Hornet 28RLS
Hensley Hitch
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