Just like Shane826, I installed a SoftstartRV on my 3124KB. Most people are unaware that electric motors (fans, compressors...) can draw upwards of 5-7 time the running current while starting. It's only for a short period of time ~0.5 seconds, but that means you have to have a battery and inverter or generator that can handle that load.
On my unit I measured 51.5 amps on startup prior to installing the soft start, and 24.2 after. While running it draws 11.5 on high cool in both cases.
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