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06-12-2016, 02:00 PM
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#1
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CUZISA2
Join Date: May 2015
Posts: 51
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2nd AC unit
We have a one year old XLR Thunderbolt 340x12.
When we purchased we were told the unit had one AC and an extreme weather package and would keep everything cool in the summer. We have come to find out we need the 2nd AC. One unit runs continuously and doesn't really cool until 1am. With it running all the time we've added fans to try and help and with all the noise you can't hear a thing.
Here's my question, has anyone purchased a portable AC to use to help cool? My camper is wired for a second AC it's just more expensive.
Anyone have the same problem and have a solution? Thanks.
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06-13-2016, 11:37 AM
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#2
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Site Team
Join Date: Mar 2008
Location: Southwest Alabama
Posts: 9,850
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The only real problem with a portable unit is where to exhaust the hot air. You'll need some where to route the hot air duct.
Most RV windows aren't really conducive to that configuration.
__________________
Salem 29RKSS Pushing a GMC Sierra 2500HD!
Gotta go campin!
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06-13-2016, 12:48 PM
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#3
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CUZISA2
Join Date: May 2015
Posts: 51
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Good point. It would be a pain.
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06-13-2016, 02:24 PM
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#4
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Senior Member
Join Date: Jul 2011
Location: Stromsburg, Nebraska
Posts: 1,682
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Check around on-line for a second AC. On my previous 5er, I added a second 15k unit myself. Was pretty simple with the help of a bobcat to get the unit on the roof. Think I spent $800 total for the roof unit and inside ceiling assembly, ducted. Mine was pre-wired for second AC.
__________________
Joel and Teresa
2016 Sabre 34TBOK
2006 GMC 3500 CC LB DRW 4X4
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07-28-2016, 11:32 AM
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#5
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Senior Member
Join Date: May 2014
Posts: 188
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I had a similar challenge. The single ac in the 29hfs sometimes needs assistance. I found a 10,000 BTU in lowes $300. I figure can use it when needed, plug it in separately via an extension cord and exhaust it with a modified vent to the rectangular vent built in the camper in the back toy hauler bedroom.
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07-28-2016, 12:06 PM
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#6
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Junior Member
Join Date: Jun 2016
Posts: 7
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I just purchased a Dometic 13.5 on eBay for $500. The unit is new, in the box and from a dealer. I will install in my TT bedroom as a second AC.
Sent from my iPhone using Forest River Forums
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07-28-2016, 12:20 PM
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#7
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Senior Member
Join Date: May 2014
Posts: 188
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That's a great deal......jburr. My concern is that the 30 amp service will be exceeded with,the second unit. With the second portable ac the unit would be plugged directly to the power source bypassing the 30 amp issue. I have had troubles with just keeping,my breaker from tripping with the ac on and the water heater on electric. I usually have to use propane for the water heater to keep the breaker from tripping. These toy haulers should automatically come in 50 amp service and a 2nd ac unit. I always have to supplement the cooling with the smaller tower fans to keep air moving.
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07-28-2016, 12:53 PM
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#8
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Junior Member
Join Date: Jun 2016
Posts: 7
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You're right about the 30 amp service, my travel trailer came with a 50 amp service and prewired for the second AC.
Sent from my iPhone using Forest River Forums
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07-28-2016, 01:24 PM
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#9
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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I added a second 13.5k to my 30 amp camper.
Ran the wire through the ceiling and down an interior wall into the basement.
There I installed a breaker panel and then ran the wire to the side skirting and put in another 30 amp receptacle.
I then plugged the main camper into the 50 amp service with a dog bone.
The other cord went to the 30 amp receptacle.
2015 Columbus 320RS
2008 2500HD Duramax
2015 nights camped "34"
2016 nights camped "22"
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07-28-2016, 02:08 PM
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#10
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Senior Member
Join Date: May 2014
Posts: 188
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Turbs...that's creative!
Is there a cut out in the back for another unit or did you install from scratch?
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07-28-2016, 03:05 PM
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#11
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Quote:
Originally Posted by laurajean
Turbs...that's creative!
Is there a cut out in the back for another unit or did you install from scratch?
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I installed it where my bedroom vent was.
http://www.forestriverforums.com/for...per-90283.html
2015 Columbus 320RS
2008 2500HD Duramax
2015 nights camped "34"
2016 nights camped "22"
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07-29-2016, 10:02 PM
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#12
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Just Love to Camp
Join Date: Jun 2012
Location: Virginia
Posts: 1,429
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We actually added a third ac unit. We have a 50 amp camper and the third has its own 30amp plug and cord. No problem cooling it down
__________________
Camped 54 Night 2012
XLR Thunderbolt 386*12
" Bertha The LeadSled" is her name
2012 F450
Virginia
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08-17-2016, 06:44 PM
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#13
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Junior Member
Join Date: May 2016
Location: Canada
Posts: 21
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I just been to vegas, 42/107. two units could not keep the trailer cool. My front bedroom was good, its got it own dedicated unit. The rear garage area was definitely not cool, I had teenagers in there. The main living area was ok but the unit was close to running constantly. In those temps a third unit would be a godsend
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08-18-2016, 11:53 AM
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#14
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Senior Member
Join Date: Apr 2012
Posts: 3,275
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TFordes, you know the pedestal normally doesn't have an independent 30A feed... it uses the same feed as one leg of the 50A. (L1 or L2) . I do virtually the same but I have 30A on one leg and 15A on the other... way less than your potential for trying to get 80A from one leg. Seems like that could be a problem.
WW
__________________
Hyper Lite was sold
2017 F-250 4x4 6.2L Gas
I can't fix everything, but I can make it so nobody else can
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08-18-2016, 11:55 AM
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#15
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Senior Member
Join Date: Apr 2012
Posts: 3,275
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Ian, if they're like most, they keep going in and out. Nothing can cool down the great outdoors.
__________________
Hyper Lite was sold
2017 F-250 4x4 6.2L Gas
I can't fix everything, but I can make it so nobody else can
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08-18-2016, 01:34 PM
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#16
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Just Love to Camp
Join Date: Jun 2012
Location: Virginia
Posts: 1,429
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WW we have been doing it for 5 seasons no problems at all
Also usually have a fridge plugged into the pedestal. Camp 60 to 70 nights a year in different campgrounds. Even run the heat strip in the garage A/C unit when it is chilly
__________________
Camped 54 Night 2012
XLR Thunderbolt 386*12
" Bertha The LeadSled" is her name
2012 F450
Virginia
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08-18-2016, 02:38 PM
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#17
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Senior Member
Join Date: Apr 2012
Posts: 3,275
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that's amazing... I've been in CGs that could give decent 30A. You're saying your 3 AC units could all run at the same time? learn something everyday! thanks.
WW
__________________
Hyper Lite was sold
2017 F-250 4x4 6.2L Gas
I can't fix everything, but I can make it so nobody else can
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08-18-2016, 02:52 PM
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#18
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Senior Member
Join Date: Feb 2015
Location: in my new 29hfsxlr
Posts: 1,658
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I've got one 15500 ac . no problems keeping unit cool . i camp in themountains in the summer and Florida in the winter piece of cake . one thing i do know is if the hot water element is heating , the ac going , maybe the tv on and you turn on the microwave you will trip a 30 amp breaker
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08-18-2016, 10:01 PM
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#19
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Just Love to Camp
Join Date: Jun 2012
Location: Virginia
Posts: 1,429
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WolfWhistle yes all three at the same time. Sometimes the microwave and the hot water heater on electric. Now if I fire up the now dryer and the curling iron at the same time with all three running sometimes I will trip bit not all the time. It is pure awesomeness. Having my own meat locker on wheels
__________________
Camped 54 Night 2012
XLR Thunderbolt 386*12
" Bertha The LeadSled" is her name
2012 F450
Virginia
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08-19-2016, 04:03 PM
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#20
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Phat Phrog Stunt Team
Join Date: Aug 2011
Location: Iowa
Posts: 34,507
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Seen new style 15k dometic a/c units being installed at the rally.
2015 Columbus 320RS
2008 2500HD Duramax
2015 nights camped "34"
2016 nights camped "25"
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