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Old 11-02-2019, 05:29 PM   #1
gspman
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When Generators won't start air conditioner

hi all ...newby here

Wife and i just purchased a 2019 "used" keystone 29RKS. Love it, along with the deal cama briggs 6800 WT inverter/gen set.
problem is it will not start either air con unit in the camper (indiviually) without popping breaker on genset. The unit (genset ) has 3 hours on it ?
the rear air con is a 15k unit and the front is a 13.5k unit ?

Ohms law i = P/v

6800/12 = 566 surge amps to start the air con ...whats not working here

Am i incorrect to think this gen set is not big enough ?

Please advise
SB
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Old 11-02-2019, 05:30 PM   #2
gspman
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oops wron voltage...6800/120 = 56 amps
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Old 11-03-2019, 09:48 AM   #3
wingnut60
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gen is big enough, prob need the grounding mod plug...inverter is thinking rv is not grounded correctly. Google for generator grounding or bonding plug.

Does it work at all for the other 120volt items?
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Old 11-03-2019, 08:44 PM   #4
gspman
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Quote:
Originally Posted by wingnut60 View Post
gen is big enough, prob need the grounding mod plug...inverter is thinking rv is not grounded correctly. Google for generator grounding or bonding plug.

Does it work at all for the other 120volt items?
yes...everything else works fine
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Old 11-03-2019, 10:49 PM   #5
wingnut60
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Gen is plenty of power to run each AC--if it won't start either one, guess you will need a mobile tech. They both run on shore power? You are starting the gen, then trying to run one of the A/Cs? Doesn't make sense to me at this point. Sorry, not much help. Your trailer is 30 amp service, correct?
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Old 11-04-2019, 06:22 AM   #6
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I believe that Cougar is a 50 amp service.
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Old 11-04-2019, 09:34 AM   #7
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camper is wired for 50amp service. We have not had the opportunity to plug into a suitable shore power source as yet.
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Old 11-11-2019, 05:18 PM   #8
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generator wont start a/c

Its all buttoned up for winter now. Will have to plan on getting this figured out next spring. thanks much folks
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