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Old 04-21-2013, 05:35 PM   #1
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Started second ac install

I've been planning to install a 2nd AC unit in my 2012 31.5FBHS. I wanted to fish the wire from the vent in the bunk room to the underside of the camper. I told myself, If I can't get that much done, I may as well not order the unit. I remove the inside vent cover and within two hours I was able to fish a length of 12-2 wG from the vent to the front, then down inside the front cap then back under the underside and out through the propane compartment. It was easier (if easier is a word) than I expected. Next I plan to get a small breaker box to install in that compartment, then attach supply cable I will plug into the 20amp supply at the pedistal, plus order the 13,500 Coleman MachIII unit. Sorry, I didn't think to take pics.

So far so good

Shorty
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Old 04-21-2013, 05:50 PM   #2
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Does that wire have the bare copper wire for a safety ground? I always think in terms of marine wire which has three conductors for 115VAC.
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Old 04-21-2013, 06:43 PM   #3
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Sounds like a good start. I hope you are taking pictures of your progress.
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Old 04-21-2013, 10:23 PM   #4
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When you have 2 AC units, don't that require a 50 amp service ?
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Old 04-22-2013, 07:26 PM   #5
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Originally Posted by neverenoftackle View Post
When you have 2 AC units, don't that require a 50 amp service ?
He is going to run two cords. One being the normal 30 amp cord, and then a second cord to the 20 amp plug at the power box.
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2010 Jayco 17Z Ex-Port
2004 Ford Explorer V8 with the tow package
2010 Camping Stats
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2011 Camping Stats
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2012 Camping Stats
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Old 04-23-2013, 11:18 AM   #6
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My question would be, if the trailer originally wasn't prep'd for a 2nd Air Conditioner then he's going to have some reinforcement and framing to do in the ceiling to support the weight. Especially going down the road bouncing.
Good luck,
Bill B. (Michigan)
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Old 04-23-2013, 02:47 PM   #7
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Bill, I'm waiting on a response from Jayco regarding the necessity of reinforcement for the ceiling to handle the extra weight. I hope to be getting an email soon. But, either way, it is getting a 2nd ac.

Tackle, I do plan to run an extra cable to power the 2nd ac seperate from the 5'er.

I will be doing updates as the project progresses

Shorty
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Old 04-24-2013, 02:48 PM   #8
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Quote:
Originally Posted by billb800si View Post
My question would be, if the trailer originally wasn't prep'd for a 2nd Air Conditioner then he's going to have some reinforcement and framing to do in the ceiling to support the weight. Especially going down the road bouncing.
Good luck,
Bill B. (Michigan)
On our TT, I contacted Jayco and they stated that we didn't need reinforcement, and they sent a schematic. They said all 3 vents were constructed the same.

Mike
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Old 04-24-2013, 06:34 PM   #9
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On our TT, I contacted Jayco and they stated that we didn't need reinforcement, and they sent a schematic. They said all 3 vents were constructed the same.

Mike
They told me the same thing, but also mentioned that installing a second ac there would void my warranty in that area.
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Old 04-24-2013, 08:32 PM   #10
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He is going to run two cords. One being the normal 30 amp cord, and then a second cord to the 20 amp plug at the power box.
Just something to think about but been to a couple CG's that only had the 30 and 50A svc avail at the box. Any 20A svc was to be ran off the TT. Would be a good idea to call ahead to verify the avail svc at the site just to be on the safe side.
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