Forum Discussion
otrfun
Apr 14, 2023Explorer II
3 tons wrote:All my continuous current recommendations assumed a Micro Air Easy Start was installed. LRA typically drops to 15-25a with one installed. With an LRA this low, starting in ECO mode is pretty much a given for the vast majority of 2000+ watt inverter generators. This assumes the generator is in good operating condition and it can support the a/c's continuous current reqt.
I would plan on sizing a generator that’s able to run the air conditioner while in the ‘eco’ mode.
3 tons
But, more to your point, sizing a generator that's able to run an a/c in ECO mode (without a Micro Air) can only be accomplished by trial and error. Not sure that's feasible unless you purchase a generator from a retailer with a liberal return policy like Costco. Although a/c manufacturers nearly always specify LRA (inrush current) ratings for their compressors, generator manufacturers rarely, if ever, advertise inrush current ratings. Even if two generators have the same continuous current ratings, their inrush current capability can be radically different.
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