Bamafam4
Alabama
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Joined: 01/18/2011
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I have a 2005 Fleetwood Revolution LE 40' motorhome with 2 Coleman AC Units. I am having to replace the bedroom unit and ran into this issue. The 2 units are zoned for the bedroom/ bathroom area and the living area respectively. The repairman, who does excellent work, is telling me that the ducts should be connected allowing the rear unit to push to the front and vice versa. Can't seem to find anything on line to decide which way to go. It does appear that from the rear return, the duct is connected to the front but must be blocked off for some reason. Any suggestions?
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camperkids1025
Bel Air, MD.
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Joined: 07/27/2005
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I would leave them separate. They're that way for a reason for example suppose you have to hook up to 30 amp you won't be able to run both and with that said it won't cool the unit down very well on one unit. I believe that all ducted units with 2 ac units are separate.
Hope this make sense.... Jim
The Camperkids Jim & Lois
3 Grandkids Maria, Christian, Antony (part timers)
1999 Newmar Mountain Aire 37.5ft, Ford V-10, F-53 Chassis, Bilsteins Shocks W/ Bilstein Steering Stablizer, HWH Levelers
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grldst
Dallas, GA
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Joined: 12/10/2003
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Mine is connected. However, I do not see any harm in having them separated.
I have adjustable vents that I can adjust if I so desire, to regulate the flow.
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blangen
South Dakota... and everywhere.
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Joined: 04/21/2011
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Yep... my ducts are connected. I like it that way so that, if I need to turn one off to get some quiet for phone calls, there is still some air flowing until I turn it back on.
2004 Damon Escaper 40' diesel pusher, two Carrier Vs
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Gsmitty77
San Diego
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Joined: 10/09/2006
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I also like them connected for sound control. For example, when driving with roof air on, we close off the vents in the bedroom/bath area and shut the door to that section. The ducts send the cool air from the rear AC unit to the front zone, and it is much quieter as you run on down the road...
Ducts connected, gives you maximum flexibility. A win/win...
Best of luck, be safe, have fun,
Smitty
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bsinmich
Holland, MI
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Joined: 11/18/2000
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Newmar has them connected and it gives a lot of flexibility in how you want to cool.
2003 Newmar Mountain Aire, Workhorse W22, 2008 Saturn Vue, Falcon 5250, & US Gear Unified Tow Brake
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Altern
Home
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Joined: 05/15/2012
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Connected ....... as they should be.
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sailor_lou
Connecticut
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Joined: 04/01/2006
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Mine are also connected and I like the flexibility to run the back one when watching the living room TV and the front one when we sleep.
Lou
05 Travel Supreme Envoy
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hershey
Albuquerque,(fulltime) NM, USA
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Joined: 06/04/2003
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Mine are connected but very inefficient. I pulled the diffuser plate from the bottom of the rear AC to allow it to blow directly down but left the front intact. This gives me at least twice the cooling I had with just ducted air flow. Its noisy and there is a lot of air turbulence but it now is cool in the MH. Even on 30 amps in Palm Springs at 109 degrees, my two ACs performed very well.
hershey - albuquerque, nm
Someday Finally Got Here
My wife does all the driving - I just get to hold the steering wheel.
Superman was an illegal alien.
Expedition - Suzuki Grand Viagra
NASCAR 14 - 99
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sowego
northwestern corner of the Nebraska panhandle
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Joined: 03/14/2006
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Ours are zoned separately with separate temp sensors however the duct sytem is connected so you can run one unit and cool the whole coach. We like the system this way and would not like to have the units separated.
2002 Tiffin Phaeton
2005 Malibu Maxx toad
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