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Old 08-15-2022, 06:48 PM   #1
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Power to outlets without inverter??

I would have thought that I could have power to the outlets when plugged in with the inverter turned off.
I've converted to Lifepo4 Batteries so while storing, I want to turn off everything but still but a dehumidifier inside. With the battery disconnect off, I still have a -2 amp draw on the batteries until I turn off the inverter off. But then I lose power inside to my dehumidifier.
Is this normal, and correct?
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Old 08-15-2022, 07:55 PM   #2
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Is your coach all electric ?

How large ( watts ) is your inverter ?

Have you tested ALL outlets in the coach ?

It would be unusual for every outlet to be on an inverted circuit .

Main inverted circuits would be in kitchen and living area ( TV in particular ) bed room outlets may not be on inverter .
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Old 08-15-2022, 11:23 PM   #3
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About 1/2 of the breakers in your panel are on the inverter pass through side. If the inverter is off, no pass through.
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Old 08-16-2022, 05:22 AM   #4
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Your fireplace plugs should not be connected to your inverter.
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Old 08-16-2022, 05:00 PM   #5
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Quote:
Originally Posted by Skip426 View Post
Is your coach all electric ?

How large ( watts ) is your inverter ?

Have you tested ALL outlets in the coach ?

It would be unusual for every outlet to be on an inverted circuit .

Main inverted circuits would be in kitchen and living area ( TV in particular ) bed room outlets may not be on inverter .
Yes, all electric. Standard 2000watt inverter which is irrelevant to the question. I did not test all the outlets, did not know they might be split. Thanks for that. Bedroom outlet is not powered without the inverter. I'll try the other outlets. Thanks
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Old 08-16-2022, 05:01 PM   #6
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Your fireplace plugs should not be connected to your inverter.
would be nice to have a fireplace.
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Old 08-16-2022, 05:03 PM   #7
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About 1/2 of the breakers in your panel are on the inverter pass through side. If the inverter is off, no pass through.
well why not? If they are pass through, they should pass through being as the inverter doesn't have to do anything. Who invented that silliness?
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Old 08-16-2022, 05:43 PM   #8
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well why not? If they are pass through, they should pass through being as the inverter doesn't have to do anything. Who invented that silliness?
You asked a question and folks here are trying to help. If you think that their help is "silliness", I wouldn't expect much help in the future.
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Old 08-24-2022, 09:23 PM   #9
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well why not? If they are pass through, they should pass through being as the inverter doesn't have to do anything. Who invented that silliness?
You ‘re wrong about the inverter. If the inverter is turned OFF, then it does nothing, no inverted 120V and no 120V shore power passed through. If it is ON, then it will give you inverted 120V power or will pass through 120V shore power if that is available. It has to be on to determine which power to provide with shore power having priority.
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Old 08-24-2022, 09:41 PM   #10
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One solution is to add an external 120V 20amp RV connector and run a dedicated circuit from that to an outlet for what ever you need power when everything else is asleep. You'll need a breaker for that circuit.
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Old 08-24-2022, 09:42 PM   #11
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On my Magnum Inverter (and I think it is the same for most inverters) even if the Inverter is turned off but there is 120VAC connected from the shore power or generator the inverter will pass the power through and power all the inverted loads. Obviously the Inverter will not charge the batteries if it is turned off.
If you lose AC power to your inverted loads unless the inverter is turned On that indicates that it isn’t seeing the shore power at its AC input. Check the Inverter AC input breaker in the breaker panel and if it is not tripped then check the AC input breaker that is built into the inverter.
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Old 08-24-2022, 10:14 PM   #12
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Now I am confused; "alank" states that "If the inverter is turned OFF, then it does nothing, no inverted 120V and no 120V shore power passed through."

But then "Archer2" states that "On my Magnum Inverter (and I think it is the same for most inverters) even if the Inverter is turned off but there is 120VAC connected from the shore power or generator the inverter will pass the power through and power all the inverted loads."

Both statements sound like they have logic to them, but can someone let us know which statement is correct? Or is it that some inverters will allow power to pass through when turned off and some will not allow it if turned off?
I would really like to understand how this works.
Thanks,
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Old 08-24-2022, 10:27 PM   #13
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Getting contradictory info in the internet? Imagine that!
This is a copypasta from the Magnum MS Series Inverter/Charger Manual…

“3.1 InverterMode
When the MS Series is first powered up, it defaults to the OFF mode. The momentary ON/OFF power switch (Figure 1-1, Item 1) must be lightly pressed to turn the inverter on. Subsequently pressing this switch alternately turns the inverter off and on.
Inverter OFF – When the inverter is off, no power is used from the batteries to power the AC loads, and the status LED will be off. If AC power from an external source (utility or generator) is connected and qualified on the inverter’s AC input, this AC input power passes through the inverter to power the AC loads. However, if this AC power is lost, the AC loads are no longer powered because the inverter is off.”
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Old 08-24-2022, 11:05 PM   #14
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Quote:
Originally Posted by Archer2 View Post
Getting contradictory info in the internet? Imagine that!
This is a copypasta from the Magnum MS Series Inverter/Charger Manual…

“3.1 InverterMode
When the MS Series is first powered up, it defaults to the OFF mode. The momentary ON/OFF power switch (Figure 1-1, Item 1) must be lightly pressed to turn the inverter on. Subsequently pressing this switch alternately turns the inverter off and on.
Inverter OFF – When the inverter is off, no power is used from the batteries to power the AC loads, and the status LED will be off. If AC power from an external source (utility or generator) is connected and qualified on the inverter’s AC input, this AC input power passes through the inverter to power the AC loads. However, if this AC power is lost, the AC loads are no longer powered because the inverter is off.”
Thanks Archer2. Who would have ever thought about looking at the instructions I appreciate you looking this up. That's pretty helpful info.
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