Quote:
Originally Posted by 70fit2adventure
I have a 2200W portable generator to run a/c. I tried using generator the first time this weekend and once a/c compressor turn on; the generator lasted for a few minutes before it shut down. I've heard about an Easy Start device that might be needed to help the surge.
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Is the van’s shore power connected to the generator, or is only the A/C unit connected? There can be loads on that generator besides the A/C if the shore power inlet is used, like water heater element, fridge/freezer, and especially house battery charger. Turn everything off at the breakers and try it, or use an extension cord and plug the A/C directly into the generator.
Also, it’s difficult at best to diagnose electrical loads without knowing the current and voltage, so if you don’t have one, buy a clamp-on ammeter with probes for voltage. They’re not expensive, and some come with a line splitter you can insert between the load plug and the receptacle to make it easy to use the ammeter; no need to find exposed conductors.
At least then you’ll know what you’re dealing with, and you can compare the A/C’s current draw against the electrical data that’s somewhere on that A/C unit to see if it’s performing as it should or drawing excessive current.
Being that it takes a couple of minutes before the generator trips out or shuts down, a soft-start unit won’t help.