Question about Alfred Karcher K2400HH 5 Hp 2.5 Gpm @ 2400 Psi Gas Pressure Washer

Hi,

2800W is 2800W. What will affect your question is wether you run it at 120V or 240V. I would recommend using 240V if you have it. 2800W at 120V will pull just about 24 amps (which is a 30A circuit as circuit breakers trip at 80% of thier rating) but if you use 240V you pull around 12 amps which will cost you half the amount in energy costs.

*If you have any questions please let me know.*

*Lequarius*

Posted on Mar 06, 2009

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Posted on Jan 02, 2017

no

ac units are 2000 watts minimum, washing machines are 1500 watts minimum, microwave is what is on the plate and start at 650 watts but most are 2000 watts

the 2400 is the peak out put for start up of fridge , washer etc and the running wattage will be 2000 watts or less ( duty cycle )

to run more than one of the nominated items at once you will be needing a 5500 to-6500 watts unit

they handle a start up surge of 6500 watts ( larger one) and will comfortably handle 5500 watts run full load

it works like this , the plate on the gen set is the surge short time load capacity of the genset and not the duty load which is 500 to 750 watts less than that plate wattage

for example your 2400 is is surge rated at 2400 watts but duty load is less than the 2000 watts

many people make the mistake of buying a gen set that looks big enough but do not calculate the maximum load capable on being put on the gen set

fully loaded uses more fuel /hr

wears out faster

has power surges as the extra load cuts in and the motor struggles to get back to required rpms for voltage and cycles

will not cover extras like lights ,

a much large gen set will take it all in it's stride , no power surges, better economy, less stress

talk with an electrician , do your maths on everything you wish to run and that which you forgot about then add 1000 watts to the duty cycle and that will be close to the gen set you require

ac units are 2000 watts minimum, washing machines are 1500 watts minimum, microwave is what is on the plate and start at 650 watts but most are 2000 watts

the 2400 is the peak out put for start up of fridge , washer etc and the running wattage will be 2000 watts or less ( duty cycle )

to run more than one of the nominated items at once you will be needing a 5500 to-6500 watts unit

they handle a start up surge of 6500 watts ( larger one) and will comfortably handle 5500 watts run full load

it works like this , the plate on the gen set is the surge short time load capacity of the genset and not the duty load which is 500 to 750 watts less than that plate wattage

for example your 2400 is is surge rated at 2400 watts but duty load is less than the 2000 watts

many people make the mistake of buying a gen set that looks big enough but do not calculate the maximum load capable on being put on the gen set

fully loaded uses more fuel /hr

wears out faster

has power surges as the extra load cuts in and the motor struggles to get back to required rpms for voltage and cycles

will not cover extras like lights ,

a much large gen set will take it all in it's stride , no power surges, better economy, less stress

talk with an electrician , do your maths on everything you wish to run and that which you forgot about then add 1000 watts to the duty cycle and that will be close to the gen set you require

Oct 17, 2016 | Electrical Supplies

Amazon.com, Inc.I then call All Power and am told to give them one more day to get this worked out ....There is no styrofoam enclosure or crate to protect it, the generator is simply ...

https://www.youtube.com/watch?v=NEeu9Y-0_KM

Aug 27, 2011 - Uploaded by mamasboypowersports

NIKOTA 3500 WATT GENERATOR. ... Diagnosing A GeneratorThat Has No Power Output. - Duration: 3:03. TheDIYGuyDOTnet 117,263 views.

Jan 20, 2016 | Electrical Supplies

You need to determine output frequency. Is your engine running at 3000 rpm (50 Hz)? At 50 Hz this generator only produces 700 VA (850 VA max).

I just look at my coffee pot here and it requires 1000 VA (watts) of power. If is more power requirement than this generator could produce even if it was operating in 120v mode at 60 hz.

I just look at my coffee pot here and it requires 1000 VA (watts) of power. If is more power requirement than this generator could produce even if it was operating in 120v mode at 60 hz.

Feb 09, 2015 | Garden

Governer is an instrument which controls the speed of the engine it is connected to the throttle of the carb just check if it is not stuck somewhere or if it requires adgustment or check your stepper moter as well

Jun 18, 2012 | Honda 3000 Watt Portable Generator

Your cutter machine may use more power than your whole house depending on the size of motor. A one horsepower motor 115v will use about 3000 watts to start and about 1000watts to run. To estimate how much power you need, add up all the watts that you will use at home and add to that estimated wattage of the cutter motor (motor will use 3x rated wattage to start plus loss of power thru the extension cord). Buy a generator that will give you needed power and still have a 25 percent reserve. If you need 2000 watts on a continued basis, the 2800 watt may be good, however I would be more comfortable with a 3500 watt if the price was right because of the cutter machine. I would consider converting the cutter to gas power and buy a smaller generator to save on gas since you will be most likely running the generator far longer to power the house. Good luck

Aug 11, 2011 | Yamaha 2500 Watt Industrial Inverter...

How long have you had this generator?

Has the generator worked on all of these loads before?

Model 5500 is a 5500 Watt generator which could easily be 5500 watts (Peak) and not continuous.

Your AC is an inductive load.

Your lights are resistive loads

An inductive load can cause issues when starting due to an increased current demand at start up that some generators cringe under. Do the lights flicker or are they stable? I'd say your diodes on your stator are working if you have light stability but you haven't provided nearly enough information for a detailed solution.

I'm sure you have enough voltage but you aren't getting enough current to run specific loads. How many watts is your AC? How many watts for your microwave? Both of these units demand a great deal of energy to run and when you place too much demand on your generator, it will choke it out and eventually, will cause damage to the generator. You may consider getting a beefier generator with a greater amount of wattage output.

Seeing these specs online and noting what you are trying to run, you have an undersized generator and need to get one that can produce a greater amount of running wattage (as well as peak wattage).

Has the generator worked on all of these loads before?

Model 5500 is a 5500 Watt generator which could easily be 5500 watts (Peak) and not continuous.

Your AC is an inductive load.

Your lights are resistive loads

An inductive load can cause issues when starting due to an increased current demand at start up that some generators cringe under. Do the lights flicker or are they stable? I'd say your diodes on your stator are working if you have light stability but you haven't provided nearly enough information for a detailed solution.

I'm sure you have enough voltage but you aren't getting enough current to run specific loads. How many watts is your AC? How many watts for your microwave? Both of these units demand a great deal of energy to run and when you place too much demand on your generator, it will choke it out and eventually, will cause damage to the generator. You may consider getting a beefier generator with a greater amount of wattage output.

Seeing these specs online and noting what you are trying to run, you have an undersized generator and need to get one that can produce a greater amount of running wattage (as well as peak wattage).

Apr 12, 2011 | Watts Onan Portable Generator - 4000 ,...

This generator is a 5KW model. This means it can supply up to 5000 watts of power, total. Not all devices list the watts they need to be provided - instead these devices list the power they need as volts and amps. This can make it hard to determine what the actual watt requirements are for the device.

Overly simplified, watts is equal volts times amps (watts = volts x amps). A single 120 volt light bulb that uses .833 amps consumes 100 watts. If you checked a regular 100 watt light bulb with an ammeter, you'd find it does indeed draw .833 amps.

Working the formula a different way, we can learn how many amps this 5000 watt generator can supply at 120 volts, too. If all the loads you need to connect to this generator are 120 volt types, that means the total amount of amps the generator can supply is 5000 watts / 120 volts = 41 amps purely resistive loads (like a toaster or light bulb) maximum under ideal conditions. There is never a time when ideal actually happens, and not all loads are purely resistive - many are inductive. Inductive loads are motors (like your A/C), fluorescent lamps, computer power supplies, etc. - so figure more like around 30 amps total instead.

If you try to connect devices that require more than 30 - 35 amps, the generator will probably have problems trying to supply this load for any longer that a short length of time. Additionally, motors like those in A/C compressors draw significantly more power when first starting and can cause the problem you are describing. Try running the generator with loads other then the A/C to see how well it can supply the load(s). Or try running only 1 A/C unit and other non-A/C loads.

What I'm trying to tell you is that you may need to do some active load management to be sure that you aren't trying to get more power out of the generator than it is capable of supplying. You may need additional generators or swap this one to a larger size to handle the load properly and safely.

I hope this helps & good luck!

Overly simplified, watts is equal volts times amps (watts = volts x amps). A single 120 volt light bulb that uses .833 amps consumes 100 watts. If you checked a regular 100 watt light bulb with an ammeter, you'd find it does indeed draw .833 amps.

Working the formula a different way, we can learn how many amps this 5000 watt generator can supply at 120 volts, too. If all the loads you need to connect to this generator are 120 volt types, that means the total amount of amps the generator can supply is 5000 watts / 120 volts = 41 amps purely resistive loads (like a toaster or light bulb) maximum under ideal conditions. There is never a time when ideal actually happens, and not all loads are purely resistive - many are inductive. Inductive loads are motors (like your A/C), fluorescent lamps, computer power supplies, etc. - so figure more like around 30 amps total instead.

If you try to connect devices that require more than 30 - 35 amps, the generator will probably have problems trying to supply this load for any longer that a short length of time. Additionally, motors like those in A/C compressors draw significantly more power when first starting and can cause the problem you are describing. Try running the generator with loads other then the A/C to see how well it can supply the load(s). Or try running only 1 A/C unit and other non-A/C loads.

What I'm trying to tell you is that you may need to do some active load management to be sure that you aren't trying to get more power out of the generator than it is capable of supplying. You may need additional generators or swap this one to a larger size to handle the load properly and safely.

I hope this helps & good luck!

Apr 09, 2011 | Watts Onan Portable Generator - 5000 ,...

I have parts for 2800 and 3300 Eastern Steel Generators including a Muffler you

can email me if intrested.

can email me if intrested.

Aug 22, 2010 | Sunpentown 2,800 Watt 6.5HP Power...

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.

Feb 26, 2010 | Honda 6370C - Parallel Power Kit For ...

Hello kgodsave,

You are not really going to run everything in the house while using your washing machine, isn't it? If your machine runs on 1 horse power (HP) motor (which is unlikely), thats already 746 watts. say you are running some little wattage appliances say total of 1,000 watts. Double that figure and you get 2kw. A 2kva to 3kva generator would be ideal...got plenty clearance for unexpected load.

You are not really going to run everything in the house while using your washing machine, isn't it? If your machine runs on 1 horse power (HP) motor (which is unlikely), thats already 746 watts. say you are running some little wattage appliances say total of 1,000 watts. Double that figure and you get 2kw. A 2kva to 3kva generator would be ideal...got plenty clearance for unexpected load.

Dec 21, 2007 | Washing Machines

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