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StephenH 
podders Helping podders - pHp 
Joined: 29 Nov 2015 Location: Wake Forest, NC Online Status: Offline Posts: 6288 |
 Topic: Roof Top AC for salePosted: 11 Apr 2020 at 9:25am |
First, instead of having the fan set to auto, set it to low so the fan runs all the time. Then it will only be the compressor sound added to it. The ear adapts to the constant sound of the AC much better than the intermittent sound. Second, close the big center vent and just have the side vents open. That will be quieter. Give it a test listen. Third is to do what I did. Take the inside shroud off and line it with closed cell foam. I used a thin self-adhesive sheet for this. It is much like what would be used to line the drawer of a tool chest to keep tools from moving around. Be careful not to obstruct the movement of any of the vents, especially the large one. If you do this, be careful. There are 8 screws holding the inside shroud, not all of which are readily visible. When you put it up, be careful to tuck the wires out of the way of moving parts and as much out of the air stream as possible. It won't quiet things down much, but every little bit helps.
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StephenH
Happy is the man that findeth wisdom,... ouR escaPOD mods Former RPod 179 Current Cherokee Grey Wolf 24 JS |
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geewizard
Senior Member
Joined: 16 Apr 2017 Location: Spokane Online Status: Offline Posts: 347 |
Posted: 11 Apr 2020 at 8:33am |
We camp in the Pacific NW, Canada, Montana, Idaho, etc. where it cools off at night. And until it does cool off, we use evaporative cooling. I don't know of a quieter unit.
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2021 Winnebago Micro Minnie 1708FB
2017 R-Pod 177 (Blue) HRE SOLD 2004 Outfitter Apex 8 camper 2014 Toyota Tundra DC |
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offgrid
Senior Member
Joined: 23 Jul 2018 Online Status: Offline Posts: 5290 |
Posted: 11 Apr 2020 at 7:07am |
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In the dry West, most places you camp cool down at night so you don't really need a/c to sleep.
For myself, living in the southeast, I need a/c to sleep too. If I remove mine it will be to replace it with a nice quiet high efficiency residential mini split. The evaporator would go above the head end of the bed and the condenser on the tongue where my batteries are currently, freeing up the roof space. My goal is the end-state objective for boondockers: off grid solar a/c. With a large Li battery and fully covering the pod roof with solar, plus another module or two on the TV I think it can be done, but not with that horrendously inefficient noisy Dometic. When I say it can be done that is for night use only, as you suggest. Forget running it during the day without some kind of fossil fuel power source. I don't know of any rooftop units that don't sound like a jet turbine spooled up for a takeoff roll.
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1994 Chinook Concourse
1995 RV6A Experimental Aircraft 2015 Rpod 179 - sold |
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jato
Senior Member
Joined: 23 Feb 2012 Location: Kewadin, MI Online Status: Offline Posts: 3220 |
Posted: 11 Apr 2020 at 6:54am |
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Michigan here. Ordered our 177 back in January 2011 without A/C and no regrets. There have been a few times it would have been nice like last September when we were in Arches NP and it hit 108 during the day, but like nearly all national parks no electric is available and then a few days later in Kodachrome State Park when it climbed to 116, yes we were warm but managed. Just recently returned from Guyana, South America where daily temps hit 110 with 88% humidity, now the humidity is a bugger but by evening it does cool down to 70 or so and the humidity drops so one can sleep.
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God's pod
'11 model 177 '17 Ford F-150 4WD 3.5 Ecoboost Jim and Diane by beautiful Torch Lake "...and you will know the Truth and the Truth will set you free." |
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Colt
Senior Member
Joined: 16 Nov 2019 Online Status: Offline Posts: 383 |
Posted: 11 Apr 2020 at 1:29am |
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Where do you live that you can sleep w/o A/C?
It's a noisy S.O.B., but I gotta have it. Is there a quieter unit that fits? |
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John
'16 R-Pod 180 |
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offgrid
Senior Member
Joined: 23 Jul 2018 Online Status: Offline Posts: 5290 |
Posted: 04 Apr 2020 at 8:46am |
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Got it now thanks geewizard. So you now have the new fan on the same circuit as your ceiling lights. That should work fine for me as well.
I might try parking under a tree limb, lifting my a/c up on a couple of blocks, tieing it off, pulling the blocks, and then driving out from under it. |
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1994 Chinook Concourse
1995 RV6A Experimental Aircraft 2015 Rpod 179 - sold |
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geewizard
Senior Member
Joined: 16 Apr 2017 Location: Spokane Online Status: Offline Posts: 347 |
Posted: 04 Apr 2020 at 8:20am |
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offgrid, There were two 12vdc wires (2 conductors each) visible in the roof cavity after I removed the AC. They were connected together (two +12 conductors connected together and two -12v conductors connected together) and also went to the AC. One wire was the +/- 12v feed from, I assume, the converter and the other one went to the ceiling lights and maybe the radio, I'm not entirely sure. Definitely NOT the tail lights. Yes, it was a +12 and a =12 conductor in the wire. Standard 12v power situation. I connected them back together and also included the 12v wires to the fan. So, I had three +12v conductors connected with a wire nut and three -12v conductors connected with a wire nut. I hope that's clearer.
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2021 Winnebago Micro Minnie 1708FB
2017 R-Pod 177 (Blue) HRE SOLD 2004 Outfitter Apex 8 camper 2014 Toyota Tundra DC |
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offgrid
Senior Member
Joined: 23 Jul 2018 Online Status: Offline Posts: 5290 |
Posted: 04 Apr 2020 at 6:09am |
Thanks for the thorough description. What I'm understanding is that there were two +12V wires visible within the roof cavity after you removed the a/c unit? One of those was unswitched and the other was powered from the 7 pin connector and went to the trailer lights? Were you able to determine where the power for the unswitched line came from? Was there a -12V line there as well? If you connected the +12V line feeding the lights to the unswitched +12V line at the fan then your trailer lights ought to be on all the time so I might not be understanding this correctly. Re your roof a/c, in normal times I'd suggest putting it on Craigslist in the RV section, you probably need to try to sell it locally as it would probably cost more than its worth to ship it somewhere.
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1994 Chinook Concourse
1995 RV6A Experimental Aircraft 2015 Rpod 179 - sold |
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jato
Senior Member
Joined: 23 Feb 2012 Location: Kewadin, MI Online Status: Offline Posts: 3220 |
Posted: 03 Apr 2020 at 4:45pm |
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Say, we were ahead in that we special ordered our 177 back in January 2011 with NO A/C. Love the extra light that comes in. In that hole the factory just put in a unit similar to the FF in the bathroom sans the fan so we can open it up whenever we want extra ventilation, works great!
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God's pod
'11 model 177 '17 Ford F-150 4WD 3.5 Ecoboost Jim and Diane by beautiful Torch Lake "...and you will know the Truth and the Truth will set you free." |
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geewizard
Senior Member
Joined: 16 Apr 2017 Location: Spokane Online Status: Offline Posts: 347 |
Posted: 03 Apr 2020 at 2:28pm |
Now how in the heck am I going to get any money for my 13.5k btu AC if you do this???
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2021 Winnebago Micro Minnie 1708FB
2017 R-Pod 177 (Blue) HRE SOLD 2004 Outfitter Apex 8 camper 2014 Toyota Tundra DC |
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Roof Top AC for sale