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Old 10-13-2018, 02:47 PM   #1
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Xantrex 1000 upgrade to Xantrex 1800?

Can I upgrade my (dead) 1000 for a new 1800 with the existing wiring/batteries???
Would be a simple switch out as the boxes are essentially the same.
Also does anyone have any comments on the newer HF models?
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Old 10-13-2018, 06:30 PM   #2
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Check the installation manuals , you'll find ; wiring gauge and fuses ; requirements are different .

Now , just between us , if you never use more than 1,000 watts , current wiring and fuses will suffice. If you push the new inverter to it's limit; well that's another story.
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Old 10-22-2018, 07:11 PM   #3
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Short answer is yes. Depending on the wiring to your existing Inverter and Breaker size. I installed one of the 3000 watt units in my MH for a replacement of a 1500. But, I also installed a separate breaker box since the breaker on the 3000 is 30 amps, and the 1500 was 20 amps. The reason I wanted the larger capacity Inverter is I am hoping it will run cooler since it will not be working as hard. And I am using my 4 Golf Cart batteries to power the system. Also installed house type frig which seems to draw less power than the previous Norcold. New Inverter and frig has been in use since May of 2017. Seems to work good. Good luck with your choice.
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Old 10-23-2018, 06:29 AM   #4
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if it is just an inverter, such as the freedom series, it should be simple. just make sure the cables between the inverter and the batteries are sized properly. typically these are direct runs dedicated to connecting the inverter to the batteries so upgrading them (if required) won't affected anything else. the output side of the inverter will still be a standard 15 amp ac circuit and the installed wiring should be sized to support it.

if it is a combination converter / inverter the same concerns exist plus you need to look at the a/c cable coming into the converter section. it is probably sized for 15 amps (check the circuit breaker in the power panel). if so it should work as installed but double check the new inverter specs.
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Old 10-23-2018, 07:16 AM   #5
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Remember to set your charge rate based on the battery capacity as in your old unit. But i would not worry about changing anything.
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upgrade, xantrex

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