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06-04-2017, 12:28 PM
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#1
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Junior Member
Join Date: Feb 2017
Posts: 27
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Duo-therm ac not working
On road trip and it's hot! '98 Dolphin. Only my front ac is working but not the rear. I only have 1 thermostat in the rig and cannot control each separately. I checked the circuit breaker & it is fine & all the wires are connected & look ok. Where do start trouble shooting??
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06-04-2017, 12:39 PM
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#2
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Senior Member
Monaco Owners Club
Join Date: Jun 2014
Location: Jensen Beach, Florida
Posts: 760
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If you have two duo term units and one thermostat, that thermostat controls both units. Is this a 4 button thermostat. If so push the top two button at once. It should toggle between unit 1 and unit 2
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06-04-2017, 12:46 PM
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#3
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Senior Member
Monaco Owners Club
Join Date: Jun 2014
Location: Jensen Beach, Florida
Posts: 760
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Is this Unit new to you? Has the rear a/c unit ever worked? Start with the thermostat. It is possible the rear unit is turned off. If this is the digital 4 button thermostat make sure you have power to the thermostat. Let us know some additional details and we will try to help you!
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06-04-2017, 12:57 PM
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#4
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Junior Member
Join Date: Feb 2017
Posts: 27
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Yes, it is the 4 button thermostat. This is a used rig we purchased & they guy we got it from said they would freeze is out. So far everything time we turned ac on only the front ac runs & now the rear.
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06-04-2017, 12:58 PM
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#5
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Junior Member
Join Date: Feb 2017
Posts: 27
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I was annoyed aware there is a shut off on the individual units
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06-04-2017, 12:59 PM
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#6
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Junior Member
Join Date: Feb 2017
Posts: 27
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*not aware
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06-04-2017, 01:19 PM
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#7
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Senior Member
Monaco Owners Club
Join Date: Jun 2014
Location: Jensen Beach, Florida
Posts: 760
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We're you able to switch control using the thermostat buttons? I am not sure from your last post if you got the second unit working or not.
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06-04-2017, 10:50 PM
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#8
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Junior Member
Join Date: Feb 2017
Posts: 27
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No. Only the front is working. Sorry. Damn spell check keeps changing my words!
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06-04-2017, 11:42 PM
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#9
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Senior Member
National RV Owners Club Ford Super Duty Owner
Join Date: Sep 2010
Location: Horse Town USA, CA.
Posts: 3,783
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Click On The attached Link to download the manual for the 4 bottom manual. It has troubleshooting and operating instructions for the 4 bottom CCC. With age the buttons start to stick making it difficult to switch zones. You may need to copy and paste the link into your browser.
bryantrv.com/docs2/docs/ccc.pdf
__________________
1999 35 ft. Dolphin 5350, F53, Banks System, 5 Stars Tune, Air Lift Air Bags, Koni Shocks, Blue OX TruCenter, TigerTrak track bars F&R, Roadmaster 1-3/4" rear auxiliary sway bar, 2004 F450 Lariat Pickup 6.0 Diesel Crew Cab DRW, 4X4, GVWR 15,000, Front GAWR 6,000, Rear GAWR 11,000, GCWR 26,000,1994 36ft Avion 5er, GVWR 13,700, 2,740 Pin Weight.
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06-05-2017, 12:00 AM
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#10
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,486
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Here's a scan of the manual from my 4 button control.
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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06-05-2017, 09:11 AM
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#11
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Junior Member
Join Date: Feb 2017
Posts: 27
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Thank you guys so much!
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06-05-2017, 09:51 PM
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#12
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Senior Member
National RV Owners Club Ford Super Duty Owner
Join Date: Sep 2010
Location: Horse Town USA, CA.
Posts: 3,783
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The link for the manual I posted is to large 3.7 MB to post here. Good that Skip posted the one he did.
__________________
1999 35 ft. Dolphin 5350, F53, Banks System, 5 Stars Tune, Air Lift Air Bags, Koni Shocks, Blue OX TruCenter, TigerTrak track bars F&R, Roadmaster 1-3/4" rear auxiliary sway bar, 2004 F450 Lariat Pickup 6.0 Diesel Crew Cab DRW, 4X4, GVWR 15,000, Front GAWR 6,000, Rear GAWR 11,000, GCWR 26,000,1994 36ft Avion 5er, GVWR 13,700, 2,740 Pin Weight.
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06-06-2017, 10:20 AM
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#13
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Senior Member
Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 31,486
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Quote:
Originally Posted by chboone
The link for the manual I posted is to large 3.7 MB to post here. Good that Skip posted the one he did.
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The pdf , on Duo Therm CCC ( Comfort Control Center ) ; diagnostics and repair ; is already available here in the forums.
In the " Files " drop box , " heating and air conditioning " section, and can be downloaded from there. 
__________________
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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06-06-2017, 12:54 PM
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#14
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Senior Member
National RV Owners Club Ford Super Duty Owner
Join Date: Sep 2010
Location: Horse Town USA, CA.
Posts: 3,783
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Thanks Skip, as long as I have been a member never have looked in or used the files section.
__________________
1999 35 ft. Dolphin 5350, F53, Banks System, 5 Stars Tune, Air Lift Air Bags, Koni Shocks, Blue OX TruCenter, TigerTrak track bars F&R, Roadmaster 1-3/4" rear auxiliary sway bar, 2004 F450 Lariat Pickup 6.0 Diesel Crew Cab DRW, 4X4, GVWR 15,000, Front GAWR 6,000, Rear GAWR 11,000, GCWR 26,000,1994 36ft Avion 5er, GVWR 13,700, 2,740 Pin Weight.
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Linear Mode
