EG4 6000XP Neutral-Ground Bonding

HighCountry said:

Thoughts on this configuration...

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Completely off-grid? Yes, this is totally viable and looks good to me.

ChrisG said:

Assume you need to add an EGC from batteries to the main panel ground bar. Still think it’s odd you can’t land the PV ground in the inverter. Just not making sense to me.

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I understand where you are coming from because it doesn't make sense to me either. I won't claim to know how every circuit on the inverter is drawn out, and why certain things work the way they do, but I know through hours of troubleshooting and consulting with the R&D team, that moving it has resolved that flicker issue for a lot of customers.

ChrisG said:

Assume you need to add an EGC from batteries to the main panel ground bar. Still think it’s odd you can’t land the PV ground in the inverter. Just not making sense to me.

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Yes, Forgot about EGC from battery cabinet...

EG4_Jarrett said:

Completely off-grid? Yes, this is totally viable and looks good to me.

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Yes, completely off-the-grid for cabin.

FilterGuy said:

I do not have experience with the tesla charger but I do know it has circuitry the checks for the NG bond. As far as I know it should work with your set up.

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I have a 6000xp setup with 2 eg4 batteries to go off grid charging the Tesla. It work great for 2 weeks but when I updated the 6000xp it gave me the 2 red flashing light in the Tesla charger which I think indicate no NG bond but I did have the settings 26 which NG bond enable. Still try to get it figure out what’s going on. anybody have this problem?

GridFree said:

Can I say this is TRUE:

For all those people that run the 6000xp Off-Grid and use a Chargeverter, disable setting 26 and bond your neutrals and grounds in your (main) AC panel. The End.

Please verify so I can move on.

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what about on-grid?

Benchen123 said:

what about on-grid?

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For on-grid, the NG bond should be in the Main Breaker Panel and the relay in the inverter should be disabled (Never create a bond).

Frankly, I don't understand why the 6000XP has a bonding relay. I would not use it in either an on-grid or off-grid mode. I would always do the bond outside of the inverter. (A bonding jumper is way more reliable than a relay)

FilterGuy said:

The reality is, even systems that do dynamic bonding well has to make assumptions about whether there is a bond on the AC in. I do not know of anything on the market that can handle AC-in without bonding sometimes and AC-in with bonding other times. It could be done with modern electronics that detect if a bond exists or not, but I am not aware of any current inverter product with that capability.

So true!!! The 6000XP has a design center of stationary installs. Trying to apply it to mobile is a little bit of a square peg and round hole situation.

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I have grid power backed by an unbonded gas generator through a 4 wire cord and plug to the main panel using a manual generator interlock kit. I want to replace it with a portable inverter. I bought a TP6048 that bonds the output when input ac is off. I think my choices are: 1. go inside the TP6048 and find a way to disconnect the bonding relay (and the warranty), 2. substitute a 6000xp set to no-bond, 3. move my priority circuits out to a new unbonded panel connected through a three conductor transfer switch and bond at the inverter (either one). Am I missing something.