Question about Dometic Rooftop RV Air Conditioner

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My rv air conditioner won't run on a 5000 watt generator, it pops the breaker on the generator. It is a 15,000 on a 1992 prower regal travel trailer

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Most likely the air conditioner draws more power than the generator can supply. Check the current needed for the air conditioner in amps. It should be on a plate attached to the it. If the generator is a 5000 watt it can supply 5000 divided by the voltage required by the airconditioner. i.e. 240 (=20.8 amps) if you live in the UK or Ireland or 120 (41.6 amps) in most of the rest of the world. If it's a 12 Volt Airconditioner than you divide 5000 by 12 Note this is the absolute maximum that can be drawn and as power generally fluctuates will still probably cause the circuit breaker to trip. You should ideally be drawing no more than three quarters of the current available. If there are other appliances being run off the generator this again reduces the amount of current available.

Posted on Jul 21, 2010

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1 Answer

Recently purchased a 4400W generator to operate travel trailer primarily and on occasion my ac unit. Connected the generator to the travel trailer, then ran the a/c, everything going well, then the circuit...


What size circuit breaker is on the generator that is tripping? You'll need a 20amp for AC alone, then consider other things that are drawing current when RV plugged in like , converter, fridge etc that may be drawing current at same time. Make sure fridge is on propane, as well as water heater if you have electric element option on water heater. AC may only draw 12-15 amps when running if good and clean and wired properly, but will draw 17-18 amps when compressor kicks in. Perhaps generator not designed for that surge?

Aug 28, 2011 | Dometic Rooftop RV Air Conditioner

1 Answer

I'm purchasing a generator to power the Dometic Duo Therm Brisk Air A/C unit in my camper. How many watts does it draw?


You will need at least a 5000 watt generator to run that and a few lights etc... for the camper.

heatman101

Aug 18, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

I have a coleman model 8333A8664 a/c unit on a fleetwood camp trailer and was wondering what watt generator would be needed to run it properly?


Because it won't be powering just your AC, I would recommend 5000W. It's that big amp draw when compressor kicks in that will pull it way down, if not strong enough. Take for example the fact that a dedicated 20 amp breaker and cable are the norm for RV's to use for AC now. Double check also that the generator your purchasing will take a momentary surge draw of up to 20+ amps without tripping breaker on generator. I say 20+ because once RV is plugged in or wired to generator, it will be powering any other hydro operated appliances, lights, converter etc that the trailer has on board. I bought a cheapie rated at 4000W, and 3000 running watts, but it kicks out the breaker just trying to start my portable air compressor, rated at 15 amps.

Jun 10, 2010 | Heating & Cooling

1 Answer

THE BREAKER CUTS OUT ON LOW AND HIGH


Current draw to high....BREAKER COULD BE WEAK..

Aug 18, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

I have an old duo therm in a 1969 15'x8' travel trailer, How many watt gererator will i need to run it and maybe some lights? how and where do i check the watts or volts on it?


Lights take almost nothing to run, however, an A/C takes quite a bit to operate. It would help to know more details about the A/C unit you have, such as the amps it draws, how many Btu's, etc.

Another issue is how much noise are you willing deal with related to operating the generator, as some camping areas have limits on generator use and the noise levels.

That being said, if you're looking for a really good and quiet generator that will run your A/C and some lighting, I'd have to say you can't beat a Honda rated for at least 3500 watts minimum running watts. But those are pricey compared to other brands, which make slightly more noise when running.

If you can get away with more noise, then you can get a nice 5000 watt unit for around $500 +/- that should handle your needs.

Here's some info to help you in your decision making as to what you need to run your devices and you can decide what brand you want to purchase.

http://www.hondapowerequipment.com/products/generators/content.aspx?asset=gg_choose

http://www.lowes.com/lowes/lkn?action=howTo&p=BuyGuide/SelectGenerator.html

Hope this helps and best regards!

Aug 07, 2009 | Dometic Rooftop RV Air Conditioner

1 Answer

I have a 247 03 Springdale RV trailer. I want a


Depends on wattage demand of ac unit. VXA=W 110x20amps=2,0200 Watts. A 2,00 watt generator is too small. Best go for a 3,kw genset. A 5 kw will leave you room to run appliances and the ac simultaneously., otherwise you will need to watch your margin usage. I think 4.5 kw gensets are also available. Happy trails.

Jul 25, 2009 | Heating & Cooling

1 Answer

Portable generator pops breaker when temp is over 75 degrees


I take it you have RV plugged into generator. Hopefully direct with no extension cords. Are you using a 30 to 15 amp adapter to plug into generator? What is the rating of the breaker on the generator that keeps tripping, suspect it's only 15 amp?

Jul 20, 2009 | Dometic Rooftop RV Air Conditioner

2 Answers

Circuit Breaker and Dometic Rooftop RV Air


Its the watts you plug in too like ither 30 watts vs 50 watts. 30 watts will cause your wires to get hot in the unit. just pull down your breaker box and look at those white ground wires.

Jul 20, 2008 | Dometic Rooftop RV Air Conditioner

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