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Old 09-25-2015, 05:05 AM   #1
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Drawing 6 amps with everything 'off'!

2005 Winn Vectra.
Staying with friend briefly with only 15 amp circuit to give me!
At 'rest' (with nothing on except refrig.) I am typically drawing 6 amps. Once in a rare while it drops to 2 for a while. What is that extra 4 amps, perhaps battery charger? If so, should it be drawing AC, say, 75% of the time?
I am ready for a cup of coffee!!
Tks!
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Old 09-25-2015, 05:56 AM   #2
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Welcome.

What type of fridge do you have? If RV, it will pull 2.8A or so, depending on model.

120V to 12V converter is always using power keeping batteries charged and running lights.
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Old 09-25-2015, 06:20 AM   #3
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6 amps is exactly what my Converter draws. It converts 120v to 12v to power the lights, fridge and furnace control boards etc and also charges the house batteries. If it is 3 stage converter it applies different charging cycles to the batteries which would account for the varying current draw you are seeing.
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Old 09-25-2015, 07:55 AM   #4
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6 amps at 120 volts is 740 watts which is not a bunch but it could be depending on where it is going.

Simply start turning off breakers and switches one at a time and record changes in current and activity.

This will tell you where it is going then yiu can determine if normal or not.
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Old 09-27-2015, 06:15 AM   #5
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Thanks to all! It turns out that I can briefly turn off the RV Norcold refrig, and amps drop from 6 to 2. (Then make coffee!) It is odd that, when I turn refrig back on, the amps stay at 2 for quite a while. Later pops up to 6.
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Old 09-27-2015, 06:59 AM   #6
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It appears that you are dealing with a 2amp parasitic load. No biggie, and may be from regular things like digital clocks on appliances, and "instant on" electronics (TV, stereo stuff). The 4amps of the fridge that eventually kicks in may also be expected since there is a delay after energizing the circuitry.


RVM 34
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Old 09-27-2015, 07:59 AM   #7
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Converter or inverter, whichever you have. If your batteries are low, the combo of it and the fridge can even exceed 15A and trip a breaker.
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Old 09-27-2015, 08:17 AM   #8
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Quote:
Originally Posted by Moonrover View Post
It appears that you are dealing with a 2amp parasitic load. No biggie, and may be from regular things like digital clocks on appliances, and "instant on" electronics (TV, stereo stuff). The 4amps of the fridge that eventually kicks in may also be expected since there is a delay after energizing the circuitry.


RVM 34
parasitic load at 2a if inverter is off appears to be too high. on my system, when all devices are off, it draws 0.2a.
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Old 09-27-2015, 08:31 AM   #9
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2 amps at 120 is 240 watts.

That more then my 7.6 c.f., residential refrigerator uses.

I would say that's more then a parasitic load.

Would you consider 3, 75 watt bulbs parasitic ?
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Old 09-27-2015, 04:37 PM   #10
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You can search for the power requirements for your refrigerator but if you are running it 110V I seem to remember upwards of 500 watts when the heater is on. That's 4 amps right there. Try running the fridge on propane for awhile and keep checking your amperage to see if something else is going on.
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