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EG4 3000EHV 48

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Aldricoak

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Jan 7, 2022
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How many 100w can you wire in series and connect to an EG4 3000EHV 48? Currently I have 10 100w panels @ 5.15A Imp/19.25 Vdc. I'm in the low 200's with the current configuration and I am wondering if anyone has a system with more than ten (10) panels wired in series without any parallel connections.
 
Yes, I'm running 12 on each of my strings, then I combine.... my panels are (VOC): 37.1 V I average around 400v give or take.... per string
 
thanks for the reply. i just tried connecting a parallel set of the above panels and the EG4 mppt wont start charging...any thoughts? How are you combining your strings?
 
Did you build the box yourself or buy it? if you built it, do you mind posting a pic of it. it may be something I need to replicate.
 
Aldricoak said:
thanks for the reply. i just tried connecting a parallel set of the above panels and the EG4 mppt wont start charging...any thoughts? How are you combining your strings?
Click to expand...
That set of panels in parallel would put your voltage in the low 100’s - if I remember correctly the 3000EHV needs 120v before the MPPT will start charging so it’s not too surprising…
 
Aldricoak said:
Did you build the box yourself or buy it? if you built it, do you mind posting a pic of it. it may be something I need to replicate.
Click to expand...
Any Electrical box will do, You are just combining The Positives and Negatives into a single pair ( I did mine AFTER my Solar DC Breakers)
 
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