second a/c unit

jtw · 07-19-2016, 06:46 PM

Has anyone added the 2nd a/c unit after the fact, I'm not really happy with mine and wished I had ordered the optional 2nd unit, camper is suppose to be pre wired, I'll have to buy a new thermostat, not sure how it ties into existing duct work, and what to to with return air?

Jamsom · 07-19-2016, 09:02 PM

We just added a second a/c to our FW. Ours was pre-wired for the second unit and the ducts were pre plumbed for the second a/c as well. We were not happy with Jayco's new "whisper quiet" a/c system. We opted to add the lower unit that blows air directly into the cabin and will also send air into the ducts. Some lower units are either or and not both and some don't use a separate wall thermostat. Now it cools down the trailer fast and is able to maintain the cool temp while outside is in the 100's. The return air on the second a/c unit is located in the lower unit so no new returns were added.

BuddyRay · 07-19-2016, 09:26 PM

I'd like some thoughts on the same thing. I e-mailed the factory to ask and got a standard "Your dealer knows . . . ".

I also asked if the roof framing in the living area of a 26.5 RLS was pre-boxed for a vent fan and/or power and basically got the same answer - "Your dealer can install a fan for you. . . ."

When I asked my dealer's service manager I got a "deer in the headlights" look.

Gobbledot · 07-20-2016, 08:14 PM

We just added the 2nd A/C yesterday, we went with a stand alone unit. The dealer had some Dometic so that is what I went with verses the Coleman. A lot of the CG's we visit are just 30 amp and I was afraid I would forget and cut the 2nd on in the middle of the night then get a trip outside to reset the breaker. I might of messed up but time will tell.

SouthCo · 07-20-2016, 08:46 PM

Quote:

Originally Posted by jtw

Has anyone added the 2nd a/c unit after the fact, I'm not really happy with mine and wished I had ordered the optional 2nd unit, camper is suppose to be pre wired, I'll have to buy a new thermostat, not sure how it ties into existing duct work, and what to to with return air?

Not sure what camper you have but if it has a 2nd ac as an option, and you have 50amp power cable it's probably pre-wired. Again not sure what camper you have but the 2nd ac is usually for main bedroom and has a built in thermostat and doesn't connect to the existing ductwork. It's a standalone ac. That how mine is and I ordered the 2nd ac from the factory.

SouthCo · 07-20-2016, 08:51 PM

Quote:

Originally Posted by Gobbledot

We just added the 2nd A/C yesterday, we went with a stand alone unit. The dealer had some Dometic so that is what I went with verses the Coleman. A lot of the CG's we visit are just 30 amp and I was afraid I would forget and cut the 2nd on in the middle of the night then get a trip outside to reset the breaker. I might of messed up but time will tell.

Not sure if I'm reading your post right but your added stand alone ac will not work at the same time as the primary ac on 30amp service. Not sure if your saying you got a standalone 2nd ac because you think it will... My factory installed 2nd ac is a standalone from the primary ac and it needs 50amp to be happy at the same time.

BigJohnD · 07-20-2016, 10:36 PM

2 AC's will work on 30 amps, barely, provided you manage your power right. Just look at a Fleetwood Bounder. 2 AC's, 30 amp. That said though, that's not 2 - 15k units. I wouldn't run 2 without 50 amp myself.

3'senough · 07-21-2016, 05:34 AM

If you have a unit that has the option most likely the wiring is already there. To confirm you simply remove the frame from the vent inside which will expose all the wiring if pre-wired. There are only 4 screws holding this plastic trim in place so it is very easy.

The challenge you may have is in locating the end of the existing thermostat wire which is most likely in a wall.

Grumpy · 07-21-2016, 05:44 AM

Quote:

Originally Posted by 3'senough

The challenge you may have is in locating the end of the existing thermostat wire which is most likely in a wall.

If there it's usually near a light switch or the slide switch.

Gobbledot · 07-21-2016, 08:53 AM

Quote:

Originally Posted by SouthCo

Not sure if I'm reading your post right but your added stand alone ac will not work at the same time as the primary ac on 30amp service. Not sure if your saying you got a standalone 2nd ac because you think it will... My factory installed 2nd ac is a standalone from the primary ac and it needs 50amp to be happy at the same time.

I added the standalone unit instead of adding/tying it to the existing unit. it had the knockouts in my duct work but I chose to not use them, I am just dumping it in the bedroom and I closed off the vents that is from the Whisper Quite unit.

SouthCo · 07-21-2016, 10:02 AM

Quote:

Originally Posted by Gobbledot

I added the standalone unit instead of adding/tying it to the existing unit. it had the knockouts in my duct work but I chose to not use them, I am just dumping it in the bedroom and I closed off the vents that is from the Whisper Quite unit.

Nice. Didn't know some had knockouts. Sounds like yours is set up like mine.

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