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Old 11-21-2019, 07:08 PM   #1
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Inverter Replacement

My Xantrex Freedom 458 inverter was acting up giving me a fault light on the panel and an overtemp light on the unit. Xantrex Support had me do a hard reboot and the inverter smoked when starting up again. Previous owner installed a residential fridge, so I think I should replace with a larger unit plus one with a pure sine wave. Is there a preferable choice of manufacturer? I don't know much about them.
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Old 11-21-2019, 09:24 PM   #2
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Victron gets my vote.
https://www.victronenergy.com/inverters-chargers
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Old 11-21-2019, 09:38 PM   #3
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Quote:
Originally Posted by siredwin View Post
My Xantrex Freedom 458 inverter was acting up giving me a fault light on the panel and an overtemp light on the unit. Xantrex Support had me do a hard reboot and the inverter smoked when starting up again. Previous owner installed a residential fridge, so I think I should replace with a larger unit plus one with a pure sine wave. Is there a preferable choice of manufacturer? I don't know much about them.
I personally would replace it with a unit that is similar in physical size. If it's dramatically a different design, you may have issues with the existing cable lengths.

I would go with a PSW inverter as well. There are several good mfg's and there's nothing wrong with the Xantrex brand. Magnum is another good one.
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Old 11-21-2019, 10:00 PM   #4
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A resedental fridge draws about 2 amps. You don't need a larger inverter for that.

Pure Sine wave is a good upgrade.
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Old 11-22-2019, 07:00 AM   #5
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If you do go with a larger inverter you may have to upgrade the wire gauge to support the higher amps. I agree with Twinboat as to current size, a new refrigerator doesn't draw that much but PSW would be beneficial.
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Old 11-22-2019, 07:34 AM   #6
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Quote:
Originally Posted by siredwin View Post
My Xantrex Freedom 458 inverter was acting up giving me a fault light on the panel and an overtemp light on the unit. Xantrex Support had me do a hard reboot and the inverter smoked when starting up again. Previous owner installed a residential fridge, so I think I should replace with a larger unit plus one with a pure sine wave. Is there a preferable choice of manufacturer? I don't know much about them.
Iv been using Magnum Ms series 2812 and love it. Easy to use and simple to program. Maybe you should check out the programming for shore power setting 20-30 or 50 amp. Then the charge rate and battery type.
I never run my charge rate above 90 % normal for me is 80% charge rate.
You should also have your batteries tested , possible a couple of bad cells which can be the cause of over heating.
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Old 11-22-2019, 09:14 AM   #7
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!

I haven't had to replace one yet so can't advise you on that! Have fun and keep her between the ditches!

Good luck, happy trails, and God bless!
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Old 11-22-2019, 03:14 PM   #8
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Unless you had the little Model 10 (1000W), you don't need a large inverter than the 458 - a residential fridge doesn't draw a lot of power (watts) nor does it run 24 hours/day. Most 458's are the Model 20 or 25. Besides, a larger (higher wattage) inverter is pointless without a larger battery bank to feed it and larger gauge wiring to the batteries.

PSW, on the other hand, is a wise upgrade. It helps the fridge compressor run more efficiently and avoids potential damage to other electronics.
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Old 11-22-2019, 08:54 PM   #9
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I haven't had to replace one yet so can't advise you on that!
I don't come here often but I am curious as to why you post so many posts while telling people you can't help them.

Doesn't such bad news only make the situation worse?
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Old 11-22-2019, 09:09 PM   #10
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Originally Posted by Don Juane View Post
I don't come here often but I am curious as to why you post so many posts while telling people you can't help them.

Doesn't such bad news only make the situation worse?
Just a way of welcoming a fairly new member to the forum and letting them know they are welcome on the forum but unfortunately you have nothing to contribute on this particular trouble they are having.

Terry
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Old 11-22-2019, 09:09 PM   #11
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Originally Posted by Don Juane View Post
I don't come here often but I am curious as to why you post so many posts while telling people you can't help them.

Doesn't such bad news only make the situation worse?
Do yourself a favor and put him on you ignore list if he upsets you.
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Old 11-23-2019, 07:51 AM   #12
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go to the refrigerator and see how many max amps it can consume. ours has a label on it that says it can draw 8.5 amps. i agree that this would not be continuous but if all the cycles and features were to align this is the max it would draw. once you know this then size the inverter accordingly. once you know the inverter size you can size the cables from it to the battery.

also, determine if your existing inverter has an internal transfer switch it in or it it uses an external transfer switch. you probably want to replace accordingly.
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Old 11-24-2019, 06:55 AM   #13
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Inverter Replacement

Thanks to all for your comments and advice. MSHappyCampers included. I decided to stay with a 2000W unit and replace the 458 with a Magnum SW 2012. Thanks again.
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Old 11-24-2019, 08:03 AM   #14
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Keep writing Joe, I'll keep reading. I have had much positive insight from Joe.
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