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Old 04-07-2012, 03:18 PM   #1
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AC added in bedroom of 32' forester. So nice.

Just added an AC unit in the bedroom and now if it's 90 I can be cooled down in 30 min. I highly recommend it if you camp in warm places.
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Old 06-15-2012, 06:58 AM   #2
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What kind of unit did you add? Does it have a separate thermostat?
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Old 06-15-2012, 07:10 AM   #3
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Quote:
Originally Posted by Ray F.
Just added an AC unit in the bedroom and now if it's 90 I can be cooled down in 30 min. I highly recommend it if you camp in warm places.
How did you run the wiring?
Do you now run a separate cord for second air?
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Old 06-18-2012, 11:53 AM   #4
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Its a mach 3 Plus 13,500 with the optional heat strip and a wall thermostat. I moved the thermostat for the front unit up front right under the convinence center and put the new thermo where it used to be. The inlaws go with use and they like it warmer then me and the wife. Plus if your cooking and its 90 outside it gets too hot inside for me. I like having plenty in reserve. I fished the power and thermo line through the ceiling and down inside the wall in the closet. I converted my coach to 50 Amp when we first got it because i was tired of going out and flipping the breaker everytime the wife turned on the hair dryer and mom in-law was cooking in the microwave.
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Old 06-18-2012, 12:04 PM   #5
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How difficult was it to get the power through the ceiling.

How difficult was the 50 amp conversion. I am also considering this.
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Old 06-18-2012, 12:17 PM   #6
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It was a pain running the wires but worth it. If your not sure about it I'm sure your local RV shop can do it for you. The 50 amp is a cord, a transfer switch and replacing the line from the transfer switch to the breaker box. if yours is like mine the breaker box is a 30 or 50 amp box. you just have to set it up for the one your using. I highly recommend the 50 amp because you really are getting 100 amps instead of 30. 30 is just not enough if you have 3 or 4 people in my opinion.
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Old 06-18-2012, 12:33 PM   #7
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nice! you did it all the right (read HARD) way, but its worth it!

IMHO, 4 bodies giving off heat when its 100 out is a lot of work for a single 13.5 unit, let alone a 15k unit in anything longer than 25 ft!!

I dont know where you live, but here in west texas it gets a little...um "warm" to say the least. Travel to south texas where its 100 and 80% humidity, and you will see real fast how well your a/c works!

Good job, ENJOY!
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Old 06-18-2012, 12:47 PM   #8
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well it was a pain but its better then sweeting. the unit it came with was a 15K with heat pump and i gotta say the heat pump is well worth it also. Ive been campin in the 30's at night and it kept us at 72. when i go to the campsite im already payin for the electric and im gonna use it. Back to the AC I knew first trip out we where gonna need it because we got a site in myrtle beach that had no shade and it was 90 degrees and that thing would turn on in the morning and run all day long and struggle to keep us comfortable. keep in mind thats with 4 kids going in and out the door.
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Old 06-23-2012, 08:24 AM   #9
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Ray, I assume the bedroom air conditioner is not ducted into the existing duct system.
Does the fan go off when it cools the rv to the set temperature. I have a second unit in a fifth wheel where it stops cooling but the fan on the unit keeps running.

My unit does not have the dual 30/ 50 amp box.

I assumed the ceiling would be solid and you would not be able to run a power cord through it. I guess that is an incorrect assumption.

I am going to have my rv dealer do the installation.

Thank you for your indulgence in my questions.
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Old 06-23-2012, 08:31 AM   #10
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well it was a pain but its better then sweeting. the unit it came with was a 15K with heat pump and i gotta say the heat pump is well worth it also. Ive been campin in the 30's at night and it kept us at 72. when i go to the campsite im already payin for the electric and im gonna use it. Back to the AC I knew first trip out we where gonna need it because we got a site in myrtle beach that had no shade and it was 90 degrees and that thing would turn on in the morning and run all day long and struggle to keep us comfortable. keep in mind thats with 4 kids going in and out the door.
Speaking of RV heat pumps - can anyone explain how they work when used in a RV? I know the basic principles of HP's and I always thought they were dependent on the temperature below ground level for both heating and cooling. If I am correct here, I don't think you dig a hole at the CG site.

Also I have always heard that they are more efficent in some parts of the country than other parts.
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Old 06-23-2012, 08:33 AM   #11
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What problems did you have in moving the orginal thermostat?
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Old 06-23-2012, 11:07 AM   #12
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We live in HOT Texas and our Sandpiper that we had for 6 years only had the main living area A/C and it honestly never could keep up with the heat (ran constantly) during any outings from June thru September.

Our Columbus 320RS has the 13,500 bedroom AC plus a lot better insulation and we've been very pleased with it in our limited hot weather outings. We're leaving tomorrow for 7 days in 100 degree plus weather, so we'll see how it rates after that trip.
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Old 06-23-2012, 07:32 PM   #13
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Well since no one answered ny question regarding how a RV heat pump works, I looked it up myself. What I found wsasompletely different from what I learned about them several years ago when they were new and being led in houses.

That why I said that I don't think you dig a hole at the CG. This came from what I learned about the earth, no matter how low the outside temperature is, still contains enough heat, that with a HP, you can benefit from it.

This was a long time ago and I see now that HP's have come a long way.
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Old 06-23-2012, 10:53 PM   #14
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Well...your right about the earth....temp is stable..but utilizing that would be geothermal 'heat pump'...diff than an a/c compressor based pump....generally the geo systems are used for radiant floor heating.

Same effect, tho.......basically residential and rv heat pumps work the same....they have the ability to control direction of freon ...
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Old 06-23-2012, 11:06 PM   #15
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Well...your right about the earth....temp is stable..but utilizing that would be geothermal 'heat pump'...diff than an a/c compressor based pump....generally the geo systems are used for radiant floor heating.

Same effect, tho.......basically residential and rv heat pumps work the same....they have the ability to control direction of freon ...
Well as I said earlier, I had not done much research on HP's for a long time and remember reading about how they used the heat in the Earth to heat homes, even in winter, depending on where the home is located in the U.S.

I did not realize that they are now used in the RV industry until I started reading about them here.

Thanks.
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Old 06-30-2012, 11:48 AM   #16
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Yes it is not ducted and the fan turns off when the temp is reached. The wall thermostat is just like a home one. It has a fan switch for auto or on. It also has a switch for low or high fan speed.
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