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06-10-2021, 03:26 PM
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#1
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Montana Fan
Join Date: Oct 2010
Location: Park Hill
Posts: 166
M.O.C. #10841
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Little help with finding cable for installing third ac.
Installing third ac in my 2020 3813 in the kitchen maxair vent. It is per wired the electric cable is there. What I am going to do is wire it where I can run it seperate. I am trying to locate the end of the cable that is in the basement area. I am going to hook it up where I can plug a heavy duty extension cord and run it off the 20 amp breaker in the pedistal. That way I can run two ac when hooked up to a 30 amp spot. The other two ac are hooked to 20 amp breakers and marked but no sign of cable for third ac. Anyone have any idea.
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06-11-2021, 08:09 AM
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#2
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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On our 2017 it went to a controler that only allowed it to run when the bedroom AC shut off. On that rig the controler was behind the furnace return air vent.
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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06-11-2021, 09:35 AM
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#3
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Montana Master
Join Date: Jun 2017
Location: POINTBLANK
Posts: 1,887
M.O.C. #19944
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My third is wired to a separate outside. Power and control wires run across ceiling, cover up it is not noticed. I always hook mine up to the 30A receptical with a 30A male/15A female.
__________________
 RAM 22' DRW 3500 Crew LB 40 gal reserve tank / RETRAX Bed Cover / 2020 373RD HC / IS / MOPEKA Tank Monitor / Furrion Side&Rear Cameras
Slide Toppers / EMS-HW50C / Sailun 85's
3rd AC / Dometic 320
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06-12-2021, 07:08 AM
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#4
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Montana Fan
Join Date: Oct 2010
Location: Park Hill
Posts: 166
M.O.C. #10841
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You were right on the button Dick. It was in the junction box behind breaker box. It had a black piece of tape wraped around it. I used the breaker for dryer and ran a wire from it to the top of the wet bay and installed a male plug to it. From that point I can run a heavy duty extension cord to the 20 amp plug in the pedestal. I am in business for running two AC units when hooked up to a 30 amp sopt
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06-12-2021, 08:44 AM
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#5
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Site Team
Join Date: Jun 2011
Location: Wilsey
Posts: 18,799
M.O.C. #11455
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I did mine just a little different to give me more choices. I took it into the basement and put a 30amp breaker box on the wall. I then went out the outer wall next to the convenience center and put a 30amp connection there so it's weather proof. That way I can use a 30amp cord either with or without a 20amp dog bone and also use a surge protector. That way I can use the 30amp plug in a 50amp site or a 20amp plug in the 30amp site.
__________________
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, replaced chairs, sun screens, added awnings, etc.
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06-14-2021, 11:36 AM
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#6
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Montana Fan
Join Date: Oct 2010
Location: Park Hill
Posts: 166
M.O.C. #10841
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I did not specify but the plug I put on was a 30 amp male and the extension cord is a 20 foot 30 amp. I was thinking the same thing. I just use a 30 to 20 adaptor. I just could not force myself or did not have enough confidence in myself to drill a hole that big in the side of my camper so I just drilled a small hole inside the wet bay. Out of sight.
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