BAC Forum
General Boards => Technical Support => Topic started by: Carol Bentley on March 14, 2013, 10:19:35 PM
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We are dry camping in a 40' 2003 Marquis. I've noticed that when I turn the inverter to the ON position w/no load (everything is OFF), I am discharging 20+ amps according to my Alladin. Any idea why?
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Seems like something is on. Try turning off each 120V breaker one at a time and see what happens to the load at the panel. That may provide some clues. The frig if it did not switch over to gas could be a possibility. There are a couple of breakers on the ceiling of the storage bay also.
Later Ed
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Our fridge is on the 50 amp Main panel and can't be run by the inverter. But the ice-maker inside its freezer is off the 30 amp panel, which goes through the inverter. Presumably the ice-maker is off if the fridge is off, but it still plugs into a separate circuit, and when on the ice-maker can draw quite a few amps.
Ed's advice is your best first step in identifying the culprit; start with the 30 amp box of breakers.
Joel
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20+ amps on the DC side doesn't translate to a very large AC load, about 2 amps or so at 120 V. You might look at a combination of stuff that has a "standby" mode like TV, DVD, Stereo, and etc. Even clocks can contribute to this light load accumulation.
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Thanks All: I forgot about the breaker in the storagebay. The TV breaker is the one, so I'm thinking there's a problem with the motor that lowers the TV. Got things working for now and will reseach when I get home. Thanks again. Jim
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I think most newer TVs pull a bit of power even in the off position so they stay warm and ready for the press of your button. The on/off button on your remote basically turns off the screen, not power to all the guts of the TV. Just a thought... and I am not an electrician... so most everyone else knows more about these things than me. lol
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Just having the inverter on creates a draw on the batteries. I don't know how many amps but it takes energy to create the 110V.
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On my boat I was able to measure the Inverter draw under no load, at something over 5 amps. That was with a Xantrex MS2000. I doubt th eRV inverters are any more efficient.