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Old 11-22-2020, 02:53 PM   #15
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There's no reason to turn the inverter off and on. There's also no harm done if you do.
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Old 11-22-2020, 03:09 PM   #16
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Originally Posted by hohenwald48 View Post
There's no reason to turn the inverter off and on. There's also no harm done if you do.
If you are parked (in storage) and you do not have Shore Power hooked up for battery charging, with the Invertor On your batteries will drain much faster.

This will occur even with the House batteries disconnect switch in Off, since the inverter is connected directly to the batteries and by-passes the disconnect. At least on my Coach....

The Invertor uses power while turned On just for "sensing" (testing the lines waiting for an AC power draw high enough for the Inverter to "start inverting").
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Old 11-22-2020, 03:10 PM   #17
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We leave our Inverter on 7/24 in our previous coach, about 7-8 years with the MS2812 we installed. We so so in case of power outages, while using the coach, and while in storage. We also have iSocket, on a non inverted 120V power outlet, so I get a text each time power is On or Off. We added this, because one night the power company had a planned outage between midnight and 6:00AM - of which we were not informed of. We'd left the portable electric heater on Medium, and LBCO kicked in as I was trying to brew our AM coffee... So now I get the Text, and I do review them at night!

For sure no right or wrong, just choices... Those with LP fridges, may have a different perspective then those with residential units! Or not...

Current coach? Dual Freedom SW 3012's, on 7/24, fed and feeding X's 8 8D FullRivers. And, same iSocket - moved to the new coach!

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Old 11-22-2020, 07:42 PM   #18
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The inverter exists to support you in the event of a power failure.

RV parks/resorts are historically bad for supplying consistent power.

Why would you turn it off?

Kinda like having a UPS for your computer that you turn on when the computer monitor goes black - too late to save your data.

Leave it on - that's why you have it.

I've never turned mine off...
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Old 11-22-2020, 07:59 PM   #19
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I am in the never turn it off camp. There is no reason to.

When I do need to store my RV I disconnect the batteries at the main 12 lines.
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Old 11-22-2020, 08:00 PM   #20
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I leave my investors on all the time when driving or in campgrounds.
They work just fine when driving. My Fridge, Microwave, or even a regular 110 V outlet all work just fine from the inverter.

When parked and connected to campground power they are automatically bypassed. They would kick in if we lost power but basically they do nothing if you are connected to power or running generator. The bypass is automatic.

When I store the RV I turn everything off and disconnect all 12V power.
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Old 11-22-2020, 08:10 PM   #21
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When on shore power my two inverters use absolutely no power when left ON. YMMV.
What switches the power on/off inside them when a load is detected? I have seen 99% efficient, but not 100%.
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Old 11-22-2020, 08:31 PM   #22
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What switches the power on/off inside them when a load is detected? I have seen 99% efficient, but not 100%.
When on shore power all inverted circuits are powered by shore power and pass through the inverter. Whether a ON/OFF switch on the inverter remote in ON or not is a moot point as the inverter is not powering anything at that time.
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Old 11-23-2020, 03:21 AM   #23
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If you are taking the rig out for a spin, thatís a good time to exercise the generator as well. Run the generator and both AC units (or heat pumps). No need for the inverter for that.
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Old 11-23-2020, 08:32 AM   #24
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I am in the never turn it off camp. There is no reason to.

When I do need to store my RV I disconnect the batteries at the main 12 lines.
Ditto.
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Old 11-23-2020, 08:38 AM   #25
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Maybe the refrigerator (if a "residential' style) would need the invertor to be On while driving to provide the 120VAC it runs on.

Counter-point. Our last coach had a side by side residential refrigerator. We kept a remote temperature sensor in the refrigerator (ya from Walmart) with the display up front. We could normally run 4+ hours with refrigerator (and therefore inverter) OFF before refrigerator temperature rose above 38 degrees F. At that point, we turn on the inverter and run the refrigerator.


If driving all day, when we stopped for a break, would check-- if refrigerator not running (reached cut-out temperature) we would turn the inverter off.



Was this necessary-- no. But it lessened the load on the alternator and the refrigerator compressor spent less time operating "during an earthquake".
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Old 11-23-2020, 10:11 AM   #26
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I'm only in my coach for 3-4 days every month, but I do leave mine on when parked and hooked up, but really only at certain tracks that have 30 amp power. The the only reason I do it there is because if I trip the breaker (older places tend to trip below the actual 30 amps), my satellite doesn't have to through the whole damn (reboot) process that it goes through after losing power.
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Old 11-23-2020, 12:00 PM   #27
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I have two inverters.....

One that powers just my video equipment, plus one or two outlets... It has an internal 120V pass through circuit.

I've yet to turn on this one, except to check its function once in awhile during my storage checks....

I have a second one that powers only my fridge, and has an external automatic transfer switch. It runs the fridge on shore/genny until it loses 120V power, then switches to the inverter.

The second one is turned off during storage, but as soon as I pick up the coach, it goes on... It powers the fridge on inverter while driving or boondocking, and stays in stand-by mode while at an RV park, in case I lose shore power when not at the coach..
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Old 11-23-2020, 12:34 PM   #28
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Add us to the crowd of keeping it 24/7 on . We have a residential fridge, and water heater gets 120v from it in bright days that solar panels sing along.
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