Question about Dometic Rooftop RV Air Conditioner

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Roof top rv air conditioner installation

I want to install a new a/c unit in a 1994 school bus. Do I hook it up to an inverter or battery or something else? Do I need a seperate battery syst? How to I run wiring from battery, inverter, a/c? Or should I just open windows while driving !! I can run a/c on port. generator when stopped, but I need cool air when driving.

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  • Anonymous May 14, 2009

    how can i install a roof ac unit on my commercial tractor trailer so i can power it when truck is not running for at least 8 hrs

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Waeco manufacture a rooftop A/C with a matching inverter.you will need to ensure that you have enough battery power when staionary but your al;ternator will provide power when mobile you could also use a small generator through a battery charger to keep your batteriesd charged up but this is not neccessary unless you are stopped for a long period of time.these units are fairly easy to install and come with fitting instructions for the A/C and wiring kits for the inverter..hope this helps

Posted on Jan 14, 2009

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1 Answer

I purchased a dometic roof top ac unit mdl#641515.301c0, however on the website i cannot find install manual or user manual


What part about installation are you having problems with, and what are you installing it on? Do you have both upper (roof) unit & lower ( at ceiling) ? Is it a ducted system or blowing directly from ceiling assy?
Check this link as well , you may find 6300 series is same install.
http://www.dometic.com/enus/Americas/USA/RV-Products/Manuals-and-Instructions2/

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I see what you see also in the manual. The difference is the Heat Strip package that part is optional and the 600212-001 with the optional heat strips becomes the new 600315-001 I talked to Dometic Duo-Therm and the models are the same but they both are not heat pumps but the new heat strip package comes on when told to go into heat mode when you change the thermostat to heat. The part you purchased will fit both model numbers you listed for your roof top air conditioner. Thanks, Sea Breeze

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Looking for schoolbus roof-top AC installer in Houston, Texas.


You can get lots of roofing companies in Houston TX. Just like CM Construction Remodeling, It is near to your location and helpful for you, get a fast response with reasonable price.

Apr 28, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

How to properly install roof top ac


What make and Model? You basically set it over framed 14"x14" hole, with clean surface, align it properly so gasket is aligned all around hole, install ceiling assy, inside with 4 bolts that extend to unit on roof, and draw it down evenly until gasket is compressed about 1/2 it's original thickness, hook up your wiring, etc. Are you starting from scratch, or replacing another unit?

Mar 17, 2010 | Dometic Rooftop RV Air Conditioner

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How difficult / expensive is it to install a heat strip in a Dometic roof top AC? The unit I have has a mark on the knob for heat, but I suspect it was never installed.


Fairly easy. The only thing that you must figure out is how many amps the heat strips will draw. Make sure the fuses and the breaker switch can handle them. And be aware your electric bills will shoot up.

Oct 20, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

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Sep 28, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

My roof top RV air conditioner is dripping water inside my RV


Check run-of on roof & see if it's been reduced lately, it may just be a plugged drain at base of unit on roof.

Jul 29, 2009 | Dometic Rooftop RV Air Conditioner

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Can my duo-therm air conditioner on my rv be recharged?


These unit can be recharged. 134A. You NEED A SERVICE TECH THAT KNOWS HOW TO CHARGE UNIT.RUS

Jun 24, 2009 | Dometic Rooftop RV Air Conditioner

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Seal for roof top ac unit


I just spoke with the mechanic at my RV dealership and he said the sticky side goes on the a/c unit. You only have to turn it on it's side to do this. Just wait 1 hour after re-installing the unit on your RV before turning it on.

Apr 17, 2008 | Dometic Rooftop RV Air Conditioner

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