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  #1  
Old 07-15-2018
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78bbird 78bbird is offline
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Default Running A/C off inverter.

Can I run one A/C unit off an inverter? Can I use an old inverter (not true sine).
My A/C uses about 18 Amps, about 2K inverter. Any help would be great!
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Old 07-15-2018
jwood jwood is offline
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Probably not with 2k inverter. It will produce about 16.6 amps @ 120 volts
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Old 07-16-2018
Harold,Cat&Sam Harold,Cat&Sam is online now
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If my math is correct , even if your inverter could handle it , you would be pulling about 180 amps @ 12 volts. That's a pretty big load on the alternator.
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Old 07-16-2018
BrianS BrianS is offline
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You will burn out your alternator. Been there, done that.
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Old 07-16-2018
badandy badandy is offline
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I can run 3 on my battery :-P

If you want to run an A/C on battery power you will need to install a Microair soft starter. After you do that you should be able to run one on a 2kw inverter, and suck those batteries dry. If the A/C unit takes 15 amps running then you're looking at roughly 144ah. So if you have 4 T105's for house power you're looking at about 1.5 hours run time on a full charge with a good efficient inverter.
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Old 07-16-2018
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Thank you for the INFO! It looks like it will not work for me at this time. Now to fix my GEN!
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Old 07-17-2018
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Quote:
Originally Posted by 78bbird View Post
Thank you for the INFO! It looks like it will not work for me at this time. Now to fix my GEN!
mark i'm sure you will enjoy having genset working no matter what you run a/c's with...
best of luck with genset!!
mike
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