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Old 07-15-2012, 03:15 PM   #81
1950 Flying Cloud 7039
 
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1950 21' Flying Cloud
Allen , Texas
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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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Old 07-20-2012, 11:14 PM   #82
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Quote:
Originally Posted by FC7039 View Post
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.
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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Old 07-21-2012, 07:56 AM   #83
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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.
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Old 07-21-2012, 08:26 PM   #84
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1950 21' Flying Cloud
Allen , Texas
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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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Old 07-22-2012, 06:23 AM   #85
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2004 30' Classic
Peterborough , Ontario
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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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Old 07-22-2012, 06:24 AM   #86
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Low 30s?
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Old 07-22-2012, 07:35 AM   #87
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Celsius. Jim
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Old 07-22-2012, 08:20 AM   #88
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We are Canandian and have the metric system
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Old 07-22-2012, 09:39 AM   #89
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What is a Gree Brand AC?

Perry
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Old 07-23-2012, 06:13 AM   #90
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2004 30' Classic
Peterborough , Ontario
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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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Old 07-23-2012, 07:43 AM   #91
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Does it look like this Ebay Advent?

Advent RV AC Uunit 13000 BTU - Brand New in Box! | eBay

Perry
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Old 07-24-2012, 09:08 AM   #92
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Peterborough , Ontario
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No not like an Advent
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Old 07-26-2012, 10:41 AM   #93
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2004 30' Classic
Peterborough , Ontario
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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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