Good Sam Club Open Roads Forum: Tech Issues: AirConditioner Discharge Openings
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 > AirConditioner Discharge Openings

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Bob Landry

Austin, texas

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Posted: 03/28/21 11:32am Link  |  Quote  |  Print  |  Notify Moderator

Are the discharge opening, where the uunit mate with the duct the same size for 13.5 and 15K units. Wondering if new RVs are ducted with larger duct so that either size capacity can be instaled. Have a 15K AC and looking to add a second.


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jdc1

Rescue, Ca

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Posted: 03/28/21 12:09pm Link  |  Quote  |  Print  |  Notify Moderator

Same measurements.

wa8yxm

Davison Michigan (East of Flint)

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Posted: 03/28/21 04:32pm Link  |  Quote  |  Print  |  Notify Moderator

The A/C consists of 3 or 4 (or 5 in a few cases) parts
The upper unit. this is the "Guts" of the operation this is what is 13.4 15 or other thousand BTUs.
The part that goes through the roof, This is the duct adapter and the same is used for both sizes. This part may include electronics and or controls
The grill (indoor cover

Optional 4th part: Thermostat on wall
Optional 5th part: Adapt-a-kit because Carrier was the OEM.


Home was where I park it. but alas the.
2005 Damon Intruder 377 Alas declared a total loss
after a semi "nicked" it. Still have the radios
Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times


dougrainer

Carrolton, Texas

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Posted: 03/29/21 09:01am Link  |  Quote  |  Print  |  Notify Moderator

All roof top RV AC holes are 14.5 inches square. Been that way for more than 50 years. Doug

Itakethe5th2011

Moreno Valley, Ca

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Posted: 03/29/21 10:22am Link  |  Quote  |  Print  |  Notify Moderator

Before you add a second AC, check out RV Airflow System. It will boost the ac duct output by 40-50%. I just installed one, but it hasn't been hot enough to really see how much faster rv cools down. I did turn fan on and the air coming out of ducts is much much better.

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