I guess to each, his own. Our 78 Royale had, from the Coachman works, a 4
burner propane Magic Chef cooktop, and a magic chef 120 volt microwave
oven. It has an Atwood propane hot water heater and a 3 way Dometic fridge.
Also has a 120 volt blender. And the real power hog, a deLonghi expresso
machine. I added up the watts needed to run that stuff on an inverter, and
gave that idea up quickly. The battery bank would weigh more than the ONAN.
Cost more, too. So, I yanked out the cook top and microwave, replaced it
with a combination 3 burner cooktop/propane oven. Now, with my
cooktop/oven, hot water heater, and 30,000 btu Suburban propane furnace, I
fill up my propane tank about once a year. Most of the time we are at RV
parks with hookups, so I don't run my generator very often. We can boondock
several days without the generator and make coffee on the cooktop. It works
for us, but might not for others. Use you coach and see what your needs
are. Then, outfit you coach accordingly. I just finished working on a coach
for a customer that uses all kinds of electronic stuff. Every square inch
of surplus space is jammed with batteries, inverters, solar controllers,
stereo amplifiers, great big shunts and relays, and huge battery cables.
He can boondocks for a couple of days and then he is depleted. Lots of
generator time for him. He always has to have some kind of electronic
noisemakers running. But that is his world, not mine. We don't even have a
TV on board.
Jim Hupy
Salem, Or
> I had an eye opener a while back with a new microwave that simply would
> not run from my high quality inverter and large battery bank. Using an
> extension cord I found that it would not operate using the battery bank and
> inverter in either coach but the older microwave in the other coach would
> run off of the inverter and battery bank in either coach.
>
> Best explanation had to do with the electronics in the newer microwave was
> fighting with the sine wave inverter electronics in the inverters
> (different brands) in both coaches.
>
> From that experience I learned one just has to try the combination of
> appliance and inverter. More recently I found something similar trying to
> power an induction hot plate off the inverters in the Prevost. The battery
> bank is huge at 1850 amp hours but the induction hot plate would not run
> from the Heart 2500 inverters. Those inverters are modified square wave but
> run everything else in the coach without complaint. The induction unit
> Looks like it is working, the display lights up, the timer runs but the
> unit does not produce heat. Plug it into a land line or run the generator
> and it works just fine.
>
> Jerry Work
> Kerby, OR
> ......
> Date: Wed, 11 Oct 2017 07:56:21 -0600
> From: Johnny Bridges
> To: gmclist
> Subject: Re: [GMCnet] IOTA 50A Transfer Switches
> Message-ID:
> Content-Type: text/plain; charset="utf-8"
>
> The wire to the Xantrex at 1/0 ought to be big enough. The 110v side
> isn't likely to be a problem. However, start surge of the appliances may
> well
> be greater than the inverter can supply... and battery life isn't going to
> be great in any case. I tried a simple Haier 900 Watt microwave - no grill
> or 'convection' in the ads - and it will run, but the battery drain is
> large. Get......
> ......
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