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Old 03-16-2015, 10:13 AM   #1
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Additional Air Conditioner

Has anyone added an air conditioner to their prewired Jayco? Our Designer 36 only has one AC in the living room and it is ducted to the opposite end of the 5er to cool the bedroom. Don't think this will keep the 5er cool in the summer in Florida. What BTU did you add and did you use the prewire or create a separate 120 volt cord for the new AC only?
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Old 03-16-2015, 10:25 AM   #2
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We bought our 5th with the second AC already installed and it came with 50A service. Both AC's seem to be connected to the ductwork (I think the front one is). I'm checking in on this topic to agree that a single AC may not keep you cool in the summer FL heat. Last summer (June) at the Jellystone I turned off the front AC. Returning mid-afternoon from the pool I discovered it wasn't really keeping up and it took several hours of both running to get things cooled back down.
In our first TT I left the bath vent open 100% of the time but learned that in hot weather it was better to close it in the 5th.
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Old 03-16-2015, 10:41 AM   #3
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I added a second A/C to my 5th. It came with a single 13.5K and I added a second 13.5K in the bedroom. As you know, it's pre-wired for both the electric to the A/C as well as the thermostat.

The unit installs into the existing duct work and works independently of the main A/C. We use it for multiple purposes. Since my camper doesn't have the new quiet a/c, I will use the bedroom A/C during the day when people are in the living room to considerably cut down on the noise. We'll use both when it's really warm outside, and the most noticeable thing is a significant increase in the volume of air coming out of the registers.

Mine is tied into the pre-wiring, and we require 50A service to operate both at the same time, otherwise we're limited to 1 because of the draw on power.

If I had to do it all over again, I would without hesitation.
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Old 03-16-2015, 11:47 AM   #4
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I think your 2007 Designer 36 RLTS is only a 30AMP Trailer setup. If this is true your 30AMP Electrical will run both air conditioner but may start tripping breakers on you when you turn on several high wattage items at the same time. When you add up all of your present WATTS installed on your trailer you will find it is more than the 3600 WATTS available from the 30AMP Pedestal source.

If you are going to stay with the 30AMP configuration I would really think about adding an external 120VAC connection just for the 2nd Air Conditioner.

You may be able to use an 120VAC Extension Cord and use the camp ground 20AMP Service connection which would not take away for the 30A Service.

We use the camp ground 20AMP service in addition to the 30AMP Service connection all the time especially when we are running extra 1500WATT Oil Filled Electric Heaters. Just about everything we have ON outside is plugged into the camp ground 20AMP service connections.

All of those WATTS you may want to use add up pretty quick.

Just something else to think about.

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Old 03-16-2015, 09:58 PM   #5
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I found a sales brochure for the 2007 Designers and according to it, the second A/C (from the factory) is a 13.5K unit. I suspect you wouldn't need more than that.
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Old 03-17-2015, 06:09 AM   #6
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Thanks

Thanks to all for the information!

Rog
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