I've got my Onan 7KW gas generator installed. It works fine for one AC - but when I turn on the second AC it shuts down. Any ideas? As always, thanks for the help !!
Do the a/c units work ok on shore power?
Are they both being powered by one leg of the generator?
Do you have a clamp on ammeter? Check the draw with one then the other ( watch for the peak as it fires up ) and you might answer your own question.
Just a thought.
HTH
Melbo
Start one and let it run for a few minutes then turn on the second one and see if it is works.
I am not a fan of splitting smaller generators into 120/240, if yours is.
Otherwise, you only have a 3500 watt generator, twice, which starts limiting the reality of what will start/run.
And, I have seen them wired wrong, and 3500 is all you have, period.
Under the cover, most have the schematic for which way to hook up the 4 wires to achieve either configuration.
Balanced loading is your goal, if wired for 120/240, very hard to achieve a close percentage, at these low loads.
Happy coaching!
Buswarrior
Thanks for all your help...
Make sure to add soft start capacitors, most RV shops have them for $25-$30 and they are easy to install.
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Thanks