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Current required to run Dometic B3000

What is the current draw required to power up the B3300 . will it run off a 1000watt generator

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No it will not run from a generator that small i would suggest a 3.5KVA

Posted on Jan 14, 2009

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Posted on Jan 02, 2017

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Kenmore coldspot compressor draws 1.4 AMPS when running but when it does not start it draws 8 AMPS


When you turn the compressor off you have high pressure on the output side - If you do not wait for the unit to equalize pressures before restarting, often, a compressor will not start - when this happens it draws a lot of power as your measurements indicate.

The technical reason why unit draws so much power when it is stalled is that the motor acts as a generator in the reverse direction of current flow. The reverse current or back EMF serves as a brake to the incoming current. So if you have 8 amps rushing in and the motor generates a back emf of 6.6 while running the resultant draw is 1.4. Capiche?

If motor does not turn on after a cycle it is because the thermostat is not closing properly. I would change it. U might also want to check out the condition of the start relay or hard start cap. If that is not working properly the compressor will not start.

Feb 04, 2017 | Kenmore Refrigerators

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Generator


Your question doesn't make sense as it is written, but if the real question is what size generator do you need to start the air conditioner I might offer the following....

Look on the air conditioner product label and you will find information concerning the supply voltage and current. This is a 2 ton unit and it probably requires 220VAC power. Also on the label will be a value for the maximum OPD (over current protection device). This indicates the maximum fuse or circuit breaker that can be installed in the power feeder line for the air conditioner. You will need a generator that is capable of supplying this amount of current during the start up of the air conditioner. The value is usually about 2-1/2 times the normal operating current that the generator will need to supply continuously. This is because the air conditioner is full of motors that draw a lot of current when starting up. If the generator can't supply sufficient start up current, the motors will not start and the AC will not operate. As a result, the generator size is usually relatively large in comparison to the actual size required to keep the AC running after start up. This is also why AC units are not typically powered from generator power. Good Luck!

Jun 26, 2014 | Emerson Quiet Kool 10GV13 Air Conditioner

1 Answer

AC surge current?


you are missing the voltage supply here to get an definitive answer
for 240 volts drawing 4.8 amps the required wattage is 1152
for 120 volts the wattage is 576 watts
for 120 volts with a current of 900 watts , it equates to 7.5 amps
with 240 volts with a current of 1150 watts , it equates to 4.79 amps
so you can see the problem by not stating the supply voltage
get access to an cable clamp amp meter / watt meter from an electrician and read the current on starting the ac unit
if it exceeds 900 watts for 120 volts or 1150 for 240 volts , consider a bigger generator

Aug 31, 2017 | Fixya.com Heating & Cooling

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

What size inverter generator would i need to run a B1900s or B2200


The specification for the b2200 is 910watt...it draws 5 Amps at 230Vac Max rating...5x230=1150watts max current draw from b2200

Jan 25, 2011 | Dometic Rooftop RV Air Conditioner

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I would like to know if my Honda 2kva generator will run my air con dometic roof top B3000


I dont think so as this will be too much for the generator which has only 2 KVA as capacity.
Though the rated power is 2 KVA it will be safe to use it only upto about 1.6KVA.
The AC will require a lot of current on start up than in running and so it might no be good to have it strained.

Sep 26, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

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


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.

Jul 21, 2010 | Dometic Rooftop RV Air Conditioner

1 Answer

Honda EU30001 generator causes erratic pellet stove operation.


Ok Motors and the like generally DO NOT really go all that well from a generator, what load does the Stove use?, You must add up the cumlitive "Wattages" of ALL things connected, see your generator is about 3000 Watts, 3KW, How much "headroom" is there between the two? Whats supplied versus whats being used? Purely inductive loads, like Motors etc, are less responsive than electronic loads. I suspect that your generator is NOT providing enough current to the Stove, especially when "Other" things are connected. also. Look, if the, any, generator is 3000 Watts really you should only load it up to a couple of KW's, 2.5KW being about maximum. To do what you are doing would require, IMHO, at least, 5KW, to get the "Headroom" of current drawn over current able to be delivered by the generator. Also inductive loads loose heaps of power and actually cause a higher draw. So that your answer, you must use it well, inside it's rating, not right up to the limit.

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1 Answer

Just hooked up fosgate bd1500.1 to 2 JBL gto series 15" subwoofer


Your current alternator is strained and cannot give the required current draw of your amp. Most aftermarket amps have exterior fuses. Try adding these up for a round-about current draw number. I would bet that your amp is killing the availible power from the electrical charging system of your car. You could always go up to a higher fuse, (I run a 200 amp breaker) bu this will only make your stereo work and your alternator fail prematurely. Try searching ebay or go to ohio generator for a stronger output alternator.

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1 Answer

Generator doesn't excite with small power tools.


Somewhere on the Generator is an Idle Control switch, turning this to the off position will stop the generator idling down in the first place. You'll need to do this to use tools that don't draw enough current to trip the idle control system into revving the engine.
It may say just how much current you have to draw in the manual (hint, hint).

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