Question Regarding EG4 6000XP Solar Input

[Oregon Farm]

Hi all, new to the forum but long time lurker. I have learned a lot from the great minds here so thank you!

So I am upgrading my EG4 6000EX and installing two EG4 6000XP. I thought it would pretty much be plug and play but the solar input has me scratching my head a little.

I currently have two strings of 250 watt panels, each string is 9 panels wired to one single 10 gauge solar input wire for my 6000EX (solar disconnect and fuse in line of course). The two strings are wired in series (9 panels per series) and then they are wired together in parallel. My maximum Voc at 14°F is 371.3V. The Impp (amperage) of each string is 8.35 A so with them being in parallel that gets me to 16.7 A.

What I didn't realize is the 6000XP appears to have the two mppt charge controllers with a max system voltage of 480 V and max system amperage of 25 A. So as I read the owners manual this is cut in half per mppt correct?

The 6000EX only had on mppt and could take this all in one wire run (which is buried in conduit underground).

So, do I need to split my existing single +positive and -negative wires off into two connections to get my max amperage per mppt down on my line? What is the best way to go about this? I am assuming the best way is a standard PV splitter connection and just don't use MC4 connections going into the inverter.

Thanks in advance!

 

[TM48]

You would want to feed both of your inverters so yes you would separate the existing line into two. Be sure to configure the software to reflect one input.

 

[MattMan119]

Hi all, new to the forum but long time lurker. I have learned a lot from the great minds here so thank you!

So I am upgrading my EG4 6000EX and installing two EG4 6000XP. I thought it would pretty much be plug and play but the solar input has me scratching my head a little.

I currently have two strings of 250 watt panels, each string is 9 panels wired to one single 10 gauge solar input wire for my 6000EX (solar disconnect and fuse in line of course). The two strings are wired in series (9 panels per series) and then they are wired together in parallel. My maximum Voc at 14°F is 371.3V. The Impp (amperage) of each string is 8.35 A so with them being in parallel that gets me to 16.7 A.

What I didn't realize is the 6000XP appears to have the two mppt charge controllers with a max system voltage of 480 V and max system amperage of 25 A. So as I read the owners manual this is cut in half per mppt correct?

The 6000EX only had on mppt and could take this all in one wire run (which is buried in conduit underground).

So, do I need to split my existing single +positive and -negative wires off into two connections to get my max amperage per mppt down on my line? What is the best way to go about this? I am assuming the best way is a standard PV splitter connection and just don't use MC4 connections going into the inverter.

Thanks in advance!

The 6000xp can use 4000w per MPPT, and as you stated you can feed one or both…

So with your max there would be clipping, so to get the most you will want to run each one into separate MTTP.

Edit :: I did not notice that you want to split them from one wire, I do not know if you can split and configure 6000xp to take it that any .. someone willl know for sure how you can do it ,,.

 

[SomethingAppropriate]

Hi all, new to the forum but long time lurker. I have learned a lot from the great minds here so thank you!

So I am upgrading my EG4 6000EX and installing two EG4 6000XP. I thought it would pretty much be plug and play but the solar input has me scratching my head a little.

I currently have two strings of 250 watt panels, each string is 9 panels wired to one single 10 gauge solar input wire for my 6000EX (solar disconnect and fuse in line of course). The two strings are wired in series (9 panels per series) and then they are wired together in parallel. My maximum Voc at 14°F is 371.3V. The Impp (amperage) of each string is 8.35 A so with them being in parallel that gets me to 16.7 A.

What I didn't realize is the 6000XP appears to have the two mppt charge controllers with a max system voltage of 480 V and max system amperage of 25 A. So as I read the owners manual this is cut in half per mppt correct?

The 6000EX only had on mppt and could take this all in one wire run (which is buried in conduit underground).

So, do I need to split my existing single +positive and -negative wires off into two connections to get my max amperage per mppt down on my line? What is the best way to go about this? I am assuming the best way is a standard PV splitter connection and just don't use MC4 connections going into the inverter.

Thanks in advance!

You want to look for this setting



This is there specifically for your situation.


I wouldn't split it between 2 inverters tho. Use the same inverter for both
Make sure the inverter that has the PV is your master inverter.

To make it your master inverter, you simply turn it on first after setting all the parallel settings.

 

[Oregon Farm]

You want to look for this setting

View attachment 280296

This is there specifically for your situation.


I wouldn't split it between 2 inverters tho. Use the same inverter for both
Make sure the inverter that has the PV is your master inverter.

To make it your master inverter, you simply turn it on first and setting all the parallel settings.

I see, this makes sense. Thank you for the screen shot!

 

[wildbillpdx]

You want to look for this setting

View attachment 280296

This is there specifically for your situation.


I wouldn't split it between 2 inverters tho. Use the same inverter for both
Make sure the inverter that has the PV is your master inverter.

To make it your master inverter, you simply turn it on first and setting all the parallel settings.

Just curious about this setting. I had the same problem...6000ex with one large string. I split it into two. What does this setting do saying one string as opposed to two separate strings?

 

[SomethingAppropriate]

Just curious about this setting. I had the same problem...6000ex with one large string. I split it into two. What does this setting do saying one string as opposed to two separate strings?

I am just guessing but i imagine it locks the two mppts together so they dont fight. One would bring the voltage down and the other would just keep sweeping and getting no where if they were not locked.

 

[wildbillpdx]

I am just guessing but i imagine it locks the two mppts together so they dont fight. One would bring the voltage down and the other would just keep sweeping and getting no where if they were not locked.

I have mine set to 2 strings and I don't see any issue...do you? So confused...

 

[SomethingAppropriate]

I have mine set to 2 strings and I don't see any issue...do you? So confused...

View attachment 280359

I do not.