My wife and I both use CPAP's to sleep and this creates a problem if we are someplace that requires Quiet Hours. Our generator, although extremely quiet, still is a generator and during quiet hours needs to be shut down. Considering this, I came up with the solution that seems to work well for us. The generator supplies power to the entire AC distribution panel by going through an automatic transfer switch with one side fed by the generator and the other from shore power. When power is available on the generator side, it automatically transfers to that power. Using that as the model, I purchased and installed another automatic transfer switch. I took the power from the feed from the AC panel that goes to the outlets in the bedroom, used that as one of the two available supplies and took power from a 2000 watt inverter for the other side. The output from the switch goes to the outlets. I put the control for the inverter in the control panel which allows me to turn it off to prevent power drain from the batteries when not in use. This arrangement allows us to use battery power for the times the generator cannot be run, and as soon as those hours are over, start the generator and recharge the batteries.
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