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Old 05-12-2014, 05:10 PM   #1
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Addition of 2nd AC to non 50amp trailer?

Anyone done this? I am getting close to pulling the trigger on this mod. I asked around last year if 1 AC would be fine here in Texas and most said it should be ok. Well, long story short, I do not find it comfortable and almost refuse to use the trailer during the summer.

I have a reputable place here in Houston that says they can do the mod.

Any Primetime reps have any helpful input?
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Old 05-12-2014, 05:14 PM   #2
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Easiest way to do this is run the wiring to the basement then run an additional cord to the power pedestal.

Use a water proof electrical bulkhead fitting to go thru the outside wall.
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Old 05-12-2014, 05:14 PM   #3
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I didn't know that could be done. I always thought you needed 50AMPs for 2 A/C
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Old 05-12-2014, 05:19 PM   #4
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I can't believe a TX dealer said you should be ok with one AC!!! It's hot in Texas! (sounds like they really wanted to move that trailer off the lot)
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Old 05-12-2014, 05:20 PM   #5
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Quote:
Originally Posted by HSVBamaBob View Post
I didn't know that could be done. I always thought you needed 50AMPs for 2 A/C
It can be done but you cant use any of the existing electrical system.
You'd have to do like suggest and run a seperate electrical cord to the power pedestal.

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Old 05-12-2014, 05:36 PM   #6
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I just had a Maxxair fan installed, hopping it will help the one AC do the job.

13,500 to 15,000 BTU, any real difference?
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Old 05-12-2014, 05:43 PM   #7
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I know Fleetwood has done it for some time in their motor homes like the Bounder. They use a power management system to prevent both ac units from having the compressors start at the same time, all with 30 amps. Not sure if this would be doable since this would not be a factory installation. You may need to run the water heater and frig on propane to keep from drawing the amps when both ac units are running.
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Old 05-12-2014, 06:36 PM   #8
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Quote:
Originally Posted by f1100turbo View Post
Easiest way to do this is run the wiring to the basement then run an additional cord to the power pedestal.

Use a water proof electrical bulkhead fitting to go thru the outside wall.
TURBS

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This is the route I plan on going. My UDC is up front near the bedroom where the new AC will be installed, I am trying to think of a safe way to run the cord thru the hole already in the bottom of the UDC.

Quote:
Originally Posted by Cajun Po-Boy View Post
I can't believe a TX dealer said you should be ok with one AC!!! It's hot in Texas! (sounds like they really wanted to move that trailer off the lot)
Of course they said it would, lol. But I had asked around on rv.net and most said it should be ok. Even a couple here said it would be fine. It probably is for most but when I have been outdoors all day playing I don't want to wait until 9pm for the trailer to cool off.
Hello, new Lacrosse 311RLS owner & A/c question!
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Old 06-20-2014, 06:11 PM   #9
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Have you made sure the roof framing around the vent is able to hold the extra weight of an ac.
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Old 06-20-2014, 10:19 PM   #10
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I have no vent so it will be a new hole in the roof. Being as my unit is not prepped I assume they will have to add extra supports. I have an appointment next Friday for them to check it out and give me an estimate.

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