MNPV8HV-DLTL 3R With MNHAWKE'S BAY BB120

Started by holdmode, July 26, 2025, 09:07:38 PM

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holdmode

July 26, 2025, 09:07:38 PM
I have MNPV8HV-DLTL 3R with "MNDISCOPSB", installed with the Sunny Boy. I'm making another solar system for MNHAWKE'S 120. I want to run the cables to the MNPV8HV and then to MNHAWKE'S, Will it be possible? "Yes!?",  but I see 15amps fuse in the box.

Thanks

ClassicCrazy

#1
July 29, 2025, 09:24:59 PM
Quote from: holdmode on July 26, 2025, 09:07:38 PMI have MNPV8HV-DLTL 3R with "MNDISCOPSB", installed with the Sunny Boy. I'm making another solar system for MNHAWKE'S 120. I want to run the cables to the MNPV8HV and then to MNHAWKE'S, Will it be possible? "Yes!?",  but I see 15amps fuse in the box.

Thanks
Could you make a line drawing of your system and post a photo of that ?
Hard to understand what  you intend to do with the information provided.
Larry
system 1
Classic 150 , 5s3p  Kyocera 135watt , 12s Soneil 2v 540amp lead crystal 24v pack , Outback 3524 inverter
 5s 135w Kyocero , 3s3p 270w Kyocera   Classic 150 ,8s2p  Kyocera 225w to Hawkes Bay Jakiper 48v 20kwh  ,Gobel 16 kwh  lifepo4 Outback VFX 3648  8s2p 380w Rec pv EG4 6000XP

holdmode

#2
July 30, 2025, 04:47:04 PM
Quote from: ClassicCrazy on July 29, 2025, 09:24:59 PM
Quote from: holdmode on July 26, 2025, 09:07:38 PMI have MNPV8HV-DLTL 3R with "MNDISCOPSB", installed with the Sunny Boy. I'm making another solar system for MNHAWKE'S 120. I want to run the cables to the MNPV8HV and then to MNHAWKE'S, Will it be possible? "Yes!?",  but I see 15amps fuse in the box.

Thanks
Could you make a line drawing of your system and post a photo of that ?
Hard to understand what  you intend to do with the information provided.
Larry
No, I don't have a pic. Right now, Sunny boy is connected, but I buy this one long time ago for user in the future, for the other charger controller, today in this case hawke's 120.

ClassicCrazy

#3
July 30, 2025, 08:51:48 PM
sorry I still don't understand what you want to do . Maybe someone else can give some advice .
Larry
system 1
Classic 150 , 5s3p  Kyocera 135watt , 12s Soneil 2v 540amp lead crystal 24v pack , Outback 3524 inverter
 5s 135w Kyocero , 3s3p 270w Kyocera   Classic 150 ,8s2p  Kyocera 225w to Hawkes Bay Jakiper 48v 20kwh  ,Gobel 16 kwh  lifepo4 Outback VFX 3648  8s2p 380w Rec pv EG4 6000XP

Brucey

#4
July 30, 2025, 11:25:47 PM
Quote from: holdmode on July 26, 2025, 09:07:38 PMI have MNPV8HV-DLTL 3R with "MNDISCOPSB", installed with the Sunny Boy. I'm making another solar system for MNHAWKE'S 120. I want to run the cables to the MNPV8HV and then to MNHAWKE'S, Will it be possible? "Yes!?",  but I see 15amps fuse in the box.

Thanks
So that one I believe can bring in four strings and output two strings, for two seperate trackers or sccs. (the fusing is 15A per string, with 30A output per string)

Basically connect up to two 15A strings to the PV1 positives and negatives, and run that back to the hawkes bay (which has a 30A max input limit).

holdmode

#5
July 31, 2025, 01:59:46 PM
When installing the other 5.5 kW solar system, I can't exceed 30 amps. I have to buy two 30-amp fuses, because I see 15 amps..

Thank you... for your help and support..
Quote from: Brucey on July 30, 2025, 11:25:47 PM
Quote from: holdmode on July 26, 2025, 09:07:38 PMI have MNPV8HV-DLTL 3R with "MNDISCOPSB", installed with the Sunny Boy. I'm making another solar system for MNHAWKE'S 120. I want to run the cables to the MNPV8HV and then to MNHAWKE'S, Will it be possible? "Yes!?",  but I see 15amps fuse in the box.

Thanks
So that one I believe can bring in four strings and output two strings, for two seperate trackers or sccs. (the fusing is 15A per string, with 30A output per string)

Basically connect up to two 15A strings to the PV1 positives and negatives, and run that back to the hawkes bay (which has a 30A max input limit).


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