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07-15-2012, 03:15 PM
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#81
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1950 Flying Cloud 7039
1950 21' Flying Cloud
Allen
, Texas
Join Date: Oct 2006
Posts: 611
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I have the AC on the roof. I laid a long aluminum ladder at a gradual slope and put a piece of plywood down, slid the AC to the roof where I had a 2x12 coming off the ladder across the roof.
The AC has a junction box for the 120V. It says to mount this to the framing. There does not appear to be space for this inside the 14x14 hole and it is thicker than the wall. Did anyone just remove the box?
I also have a single zone LCD t-stat that accepts 3 wires, 12v + and -, and a comm. What from the AC goes to the comm?
a note, the drain cups are visible and not the same color as the rest. The drain pan from Airstream might be a better look.
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07-20-2012, 11:14 PM
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#82
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Tool Hoarder
Currently Looking...
West
, California
Join Date: May 2010
Posts: 907
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Quote:
Originally Posted by FC7039
I have the AC on the roof. I laid a long aluminum ladder at a gradual slope and put a piece of plywood down, slid the AC to the roof where I had a 2x12 coming off the ladder across the roof.
The AC has a junction box for the 120V. It says to mount this to the framing. There does not appear to be space for this inside the 14x14 hole and it is thicker than the wall. Did anyone just remove the box?
I also have a single zone LCD t-stat that accepts 3 wires, 12v + and -, and a comm. What from the AC goes to the comm?
a note, the drain cups are visible and not the same color as the rest. The drain pan from Airstream might be a better look.
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I wouldnt remove that junction box because that is where you conect to the 110v. I believe it has to be there to code, all 110v should be connected in a protected box. The com wires in mine go to the tstat and the furnace. I used 18 ga 7 wire (sprinkler wire) there is also a telephone like cable that is used for a more fancy type of tstat I believe it is the CCC.
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07-21-2012, 07:56 AM
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#83
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Rivet Master
1992 34' Excella
Austin
, Texas
Join Date: Mar 2007
Posts: 563
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At least in my installation, the power junction box is located within the air distribution plenum. The junction box extends up past the outer skin a little bit but the ac unit has an open volume in this area and the ac unit covers the junction box completely when it's mounted to the exterior roof. I did study the ac unit plenum to make sure that I mounted the junction box where nothing would interfere with it when the ac unit was bolted down to the roof.
Having had the drip pan on my previous unit and the cups kit on this unit I think the cups work better than the pan at getting rid of the water. I guess a couple of quick shots with some spray paint would cover the contrasting color if the appearance bothered you.
The geometry of the tubing from the cups kit to the internal drain tube would have kinked the drain tube if run directly so I made a 6" one loop coil in the tubing to give it better connection angles and I inserted a couple of lengths of weed whacker cord into it so that the tubing could not kink closed and block the water flow. It's working with no problems.
__________________
Crusty
"If you come to a fork in the road, take it."
Lake Travis, TX
"Rancho Deluxe"
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07-21-2012, 08:26 PM
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#84
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1950 Flying Cloud 7039
1950 21' Flying Cloud
Allen
, Texas
Join Date: Oct 2006
Posts: 611
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Well the AC is installed and running.
I removed the junction box. Maybe should have read this sooner.
I was able to figure out the t-stat wiring. I had to find the newer diagram online. Domestic does not have it on their site but I found one. The one sent with the air handler did not have the new Penguin II diagrams.
I was able to put a piece of PEX down the inside and pulled it out of the wall in the closet and continued it all the way out the bottom of the trailer.
I am not sure I am happy. When the compressor runs, it make quite a bit of rumble. Not really loud, but a distinct rumble. Is this normal? I can live with loud white noise of the fan. I expected that. But the rumble I do not know. Is it just because it is connected to the trailer and the AC vibrates that much?
Also, this AC is advertised as 15000 BTU. Dometic list 11K, 13.5K and HC with HC being the 15K (but they do not say it is in their literature) . All the specs for it though are the same as the 13.5. What makes this a 15K BTU? What is different?
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07-22-2012, 06:23 AM
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#85
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2 Rivet Member
2004 30' Classic
Peterborough
, Ontario
Join Date: Jun 2012
Posts: 23
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New air con
We have just installed a new Gree RV 13500 air con unit on our
34 ft excella 1000.
The first trip will be this week, the weather forcast is low 30s and humid.
We are also taking our grand children 5 and 8, should be a test.
More to follow on it's performance.
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07-22-2012, 06:24 AM
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#86
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Site Team
2002 25' Safari
Dewey
, Arizona
Join Date: Mar 2005
Posts: 15,615
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Low 30s?
__________________
Richard
Wally Byam Airstream Club 7513
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07-22-2012, 07:35 AM
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#87
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Rivet Master
Currently Looking...
Mantua
, Ohio
Join Date: Jul 2005
Posts: 7,062
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Celsius. Jim
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07-22-2012, 08:20 AM
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#88
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2 Rivet Member
2004 30' Classic
Peterborough
, Ontario
Join Date: Jun 2012
Posts: 23
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We are Canandian and have the metric system
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07-22-2012, 09:39 AM
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#89
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Rivet Master
1981 31' Excella II
New Market
, Alabama
Join Date: Sep 2011
Posts: 6,145
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What is a Gree Brand AC?
Perry
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07-23-2012, 06:13 AM
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#90
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2 Rivet Member
2004 30' Classic
Peterborough
, Ontario
Join Date: Jun 2012
Posts: 23
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The Gree company is located were else China. They are new to the rv world, I was told that the air unit looks like the now discontinued Carrier air con. As we use this unit we will follow up with the performance of it.
Russ
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07-23-2012, 07:43 AM
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#91
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Rivet Master
1981 31' Excella II
New Market
, Alabama
Join Date: Sep 2011
Posts: 6,145
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07-24-2012, 09:08 AM
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#92
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2 Rivet Member
2004 30' Classic
Peterborough
, Ontario
Join Date: Jun 2012
Posts: 23
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No not like an Advent
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07-26-2012, 10:41 AM
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#93
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2 Rivet Member
2004 30' Classic
Peterborough
, Ontario
Join Date: Jun 2012
Posts: 23
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Update on Gree AC
We made our first trip with the new air unit, as this is a new to the RV world air conditioner our experience with it may help some one else in the future.
The tempurature on the first day was 34 degees celcious with a humidex of 42. Not very comfortable to say the least. Our new unit kept the 34ft coach at around 22 degrees C.
The air conditioner was self installed with out the original drain pan as it did not line up as needed. The draining of the water on the roof may bug me later, but for now I will live with it.
This air unit is a Gree 13500 BTU RV roof mount air conditioner
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