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Old 07-03-2015, 02:09 AM   #21
travelingnurse
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I have a Montana high country. It only had one A/C and I could not keep it cool at all in 85+ temps. Last week I installed a 13.5 Btu in the bedroom and I am 100% satisfied with the add on. It was the best 800$$ i spent. I bought a dometic. I installed it myself in about 2 hr, it was quite easy if your a handy person. Now my whole camper stays cool and comfy. I full time on a hospital parking lot in direct sun on an asphalt desert. The second AC is just worth it.
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Old 07-03-2015, 09:42 AM   #22
Povo
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I know I'm coming into the middle of this and don't want to redirect the thread, but this seeems like a good place for my question.

We are out for this 4th of July in Central Oregon and we are in the middle of a heat way (pushing 100 degrees). While this isn't the norm, it is making think about a 2nd AC unit. We plan on having this a long time so it seems like it may be worth the investment. So, how can I tell if my 327RES is wired for a 2nd unit? If it is, would it just add more air to the existing vents throughout the cabin? And would it use the same controls (one control that controls both units simultaneously) or would there be two controls.

Basically, in simple terms, what's involved in adding a second unit? Any ideas about cost?
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Old 07-03-2015, 12:53 PM   #23
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Quote:
Originally Posted by Povo View Post
I know I'm coming into the middle of this and don't want to redirect the thread, but this seeems like a good place for my question.

We are out for this 4th of July in Central Oregon and we are in the middle of a heat way (pushing 100 degrees). While this isn't the norm, it is making think about a 2nd AC unit. We plan on having this a long time so it seems like it may be worth the investment. So, how can I tell if my 327RES is wired for a 2nd unit? If it is, would it just add more air to the existing vents throughout the cabin? And would it use the same controls (one control that controls both units simultaneously) or would there be two controls.

Basically, in simple terms, what's involved in adding a second unit? Any ideas about cost?
3 things to check:

1) Is your rig 50amp?
2) if so, there should be a circuit breaker labeled 2nd AC
3) If both are confirmed, there should be a Junction box with a blank cover on ceiling in front bedroom near roof vent.

If so, that is where you would wire the 2nd AC into. Keep in mind that running both ACs at one time would require 50 amp shire power.
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Old 07-03-2015, 06:06 PM   #24
Povo
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Yep on all - 50 amp, circuit breaker labelled 2nd AC, & junction box in bedroom. So installation shouldn't be an issue (for someone who know what their doing).
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Old 07-03-2015, 07:09 PM   #25
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Povo,

It's not really that difficult to install an air conditioner as long as the vent is cut in the roof and the wiring is installed next to the vent. The biggest "hurdle" is getting the unit onto the roof. After that, it's really not difficult at all.

Here is a link to the installation instructions. Look them over and see if you believe it is within your "level of experience" and your "physical capacity" if it is, you can save yourself $300 to $500 bucks with a "do-it-yourself" job.

http://www2.dometic.com/1f24ead8-631...87ce6bad.fodoc

Usually, for someone who has never installed an air conditioner, the time from start to finish (actual work, not chilling beverages for after the job) is about 2 hours.

Good Luck
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Old 12-06-2017, 07:17 PM   #26
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As a newbie to RVing, how can I tell if my 2008 Raptor is pre-wired for a second AC unit?
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Old 12-06-2017, 07:23 PM   #27
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Originally Posted by Sniper View Post
As a newbie to RVing, how can I tell if my 2008 Raptor is pre-wired for a second AC unit?
If your unit is 30A service, it WON’T be prewired for 2nd A/C.
If your unit is 50A service, then look at the ceiling where your trying to put the second unit. If there is a junction box cover then odds are it’s for the second unit. You can also remove the Garnish ring, and look for then110 wiring. The “garnish ring” is the trim ring that is screwed to the ceiling.
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