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Old 08-08-2013, 04:28 PM   #11
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Inverter issues

Just read your last post.
Running an inverter through your shore power cord will have issues because of your converter is hooked to the shore power after the transfer switch. Doing this would then be needing power for the transfer switch and the power converter and then you are trying to invert 12 volts to 120 volts while trying to charge the batteries and inverting power. One big loop and many problems you could encounter like a floating electrical charge somewhere. Not good for electronics.
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Old 08-08-2013, 08:38 PM   #12
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cheapest way to do what you want to do, is to plug the shore power cord into the inverter. BUT, as others have pointed out, you will need to make sure any unneeded 120 volt devices are unplugged or it's breaker opened.

Some examples: the breaker for the converter MUST be turned off. The fridge must be on propane only (and the condensate heater off or disabled) The water heater's electric element must not be on (gas only). I'm sure there are other things I'm not thinking of.
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Old 08-08-2013, 09:57 PM   #13
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I hardwired a 1500w inverter into the new trailer we bought this spring . I bought an automatic transfer switch which just happened to be made by the same manufacturer as the power center, turned out it was designed to piggyback on the back of it! When dry camping I turn off the breakers for the A/C, water heater, microwave and converter. There's no breaker for the fridge so I just make sure its set to gas. I had to add a breaker for the converter, as it was getting power from the circuit supplying the 110v outlets. Now when dry camping we can turn on the inverter and watch TV, as well as all the 110v outlets are powered.

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Old 08-08-2013, 10:26 PM   #14
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As I mentioned in my post earlier xantrex already offers a solution for 60 dollars. You wire it in to the inverter and it automatically switches the power from shore power to battery power inverter. No special wiring needed. Hook it up like Forrest river does for their residential refrigerators. Problem solved like a professional. No need to turn or switch anything off or on. Don't have to worry about any appliances or items on or off.
Search ebay or amazon for "xantrex transfer switch".
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Old 08-08-2013, 11:26 PM   #15
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Quote:
Originally Posted by wrapperman View Post
As I mentioned in my post earlier xantrex already offers a solution for 60 dollars. You wire it in to the inverter and it automatically switches the power from shore power to battery power inverter. No special wiring needed. Hook it up like Forrest river does for their residential refrigerators. Problem solved like a professional. No need to turn or switch anything off or on. Don't have to worry about any appliances or items on or off.
Search ebay or amazon for "xantrex transfer switch".
Still need to switch the converter and other 110 volt loads off, or you will suck the battery dry.
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Old 08-08-2013, 11:32 PM   #16
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Quote:
Originally Posted by wrapperman View Post
As I mentioned in my post earlier xantrex already offers a solution for 60 dollars. You wire it in to the inverter and it automatically switches the power from shore power to battery power inverter. No special wiring needed. Hook it up like Forrest river does for their residential refrigerators. Problem solved like a professional. No need to turn or switch anything off or on. Don't have to worry about any appliances or items on or off.
Search ebay or amazon for "xantrex transfer switch".
Not quite that simple. All any transfer switch -Xantrex or otherwise - does is switch from shore power to another power source (inverter or generator). It senses where the power is coming from and switches to that source. It still sends the power through the power center, thereby potentially powering the whole trailer. That's why you need to shut off breakers. The only way you don't have to worry about appliances or shutting off breakers is to add a sub-panel to separate out the circuits you don't want the inverter powering. You can be certain Forrest River is doing something slightly more involved than simply adding a $60 transfer switch.
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Old 08-09-2013, 06:59 AM   #17
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Inverters are a huge demand on the battery. I would not install a 400 watt one without at least 150 AH of battery bank (12 12 volt OEM batteries); and even then only minimal television use.

There is much more expense to this modification than meets the eye.
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Old 08-09-2013, 07:57 AM   #18
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I installed a 800W imverter right next to the battery than ran 12-3 to an recepticle that is only used for the inverter. We then use extension cords in the camper for the TV or fans which is mostely what we use it for. Not the best solution, but we don't use it all that often.
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Old 08-09-2013, 07:58 AM   #19
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I may not have myself clear enough. I plan on disconnecting only the circuit running to the 2 TV's. I the panel box. This inverter would then only be running that dedicated circuit and nothing else. Forrest River has a dedicated line only for the refridge and nothing else. The xantrex transfer switch connects after the inverter to switch to inverter when shore power is turned off. If nothing is turned on for that circuit then the inverter would only draw its idling amps. I was assuming the gentleman had a dedicated circuit for just the TV's.
he still needs a strong battery pack.
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Old 08-09-2013, 12:03 PM   #20
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Thanks KootenayWC by chance where did you hard wire your inverter? I see another member on here went to the breaker panel, but mine is tight on space so looking for another option.
Also I still like the idea of killing the trailers converter at the breaker and just running shore cord to the inverter. I won't be running the water heater, fridge, or anything other than 2 TV's and possibly a light or two at most.
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