Good afternoon.. I have a fox system set up +- 1 month. 10 panels Aiko 605wp + Inverter H1-6.0-E + EP11.
. I don't know if it will be normal for the system to reach a peak of 3.6kw from 10:00 a.m. and keep until 5:00 p.m. It seems that something is blocking higher values.. It would not be normal that on sunny days the system could reach peaks above 3.6kw..
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Last edited by TiagoCordeiro on Thu Sep 25, 2025 11:26 pm, edited 1 time in total.
Are you in the UK?, if the system has been setup with a safety of G98 then it will be limited to 3.68kW export - the G99 will change that.
You can check the export limit by going into the inverters settings and go to on-grid, Export Control - the export control power should be set to 60,000 which allows the inverter to export at full power.
You can check the export limit by going into the inverters settings and go to on-grid, Export Control - the export control power should be set to 60,000 which allows the inverter to export at full power.
I'm in Portugal and I don't have this limitation.. The inverter has two strings but they only connected the 10 panels in one string.. Could that be it? The installer says no..
Export control is at 06050W
Dave Foster wrote: ↑Thu Sep 25, 2025 9:48 pm Are you in the UK?, if the system has been setup with a safety of G98 then it will be limited to 3.68kW export - the G99 will change that.
You can check the export limit by going into the inverters settings and go to on-grid, Export Control - the export control power should be set to 60,000 which allows the inverter to export at full power.
The max power will depend which version of H1 you have (Gen 1, 2 or WL) but with that size of panel it would be better split across 2 MPPT’s unless your installer has experience of using such a large panel on a single string.
Worth check you are running latest firmware as some restrictions were removed in latest - if you are unsure check the master / slave and ARM versions in the app by clicking ‘Device, Inverter’ and click the serial number under the picture of the inverter. Post them here and I will check.
Worth check you are running latest firmware as some restrictions were removed in latest - if you are unsure check the master / slave and ARM versions in the app by clicking ‘Device, Inverter’ and click the serial number under the picture of the inverter. Post them here and I will check.
Good morning.. Thank you
Version is H1-6.0-E
I can't see if it's G1 or G2
Attached are photos.
Version is H1-6.0-E
I can't see if it's G1 or G2
Attached are photos.
Dave Foster wrote: ↑Fri Sep 26, 2025 8:16 am The max power will depend which version of H1 you have (Gen 1, 2 or WL) but with that size of panel it would be better split across 2 MPPT’s unless your installer has experience of using such a large panel on a single string.
Worth check you are running latest firmware as some restrictions were removed in latest - if you are unsure check the master / slave and ARM versions in the app by clicking ‘Device, Inverter’ and click the serial number under the picture of the inverter. Post them here and I will check.
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Ok that is a generation 1 H1 (manufactured 2022) - not sure why that would have been supplied the Gen 2 has been out for well over 18 months ?
The Gen 1 will definitely not support the panels you have fitted in a single string and they are unable to meet the maximum current those panels are capable of ~ maximum power per string is at best 4000 watts.
Maybe your installers think it’s a gen 2 and haven’t checked the model number which is why they might think it should support a larger string, but the gen 1 will not.
The Gen 1 will definitely not support the panels you have fitted in a single string and they are unable to meet the maximum current those panels are capable of ~ maximum power per string is at best 4000 watts.
Maybe your installers think it’s a gen 2 and haven’t checked the model number which is why they might think it should support a larger string, but the gen 1 will not.
Good morning
But PV1 is far from 13.5A. That would be the limit of the inverter.. Or not? Or does it have nothing to do with it, and the 4kw is the limit per MPPTs?
The installers say that everything is well assembled.
But PV1 is far from 13.5A. That would be the limit of the inverter.. Or not? Or does it have nothing to do with it, and the 4kw is the limit per MPPTs?
The installers say that everything is well assembled.
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This is the H1 generation 1 spec - you have the maximum current limit or a maximum power limit, whichever comes first - because you have such large panels with a higher operating voltage the current is lower - but you will still bump into the maximum string power limit.
You will need to split the string into 2.
What refers to is the 3900w by MPPT A is 3900w MPPT B
How in the data sheet?
How in the data sheet?
Dave Foster wrote: ↑Fri Sep 26, 2025 9:18 am Ok that is a generation 1 H1 (manufactured 2022) - not sure why that would have been supplied the Gen 2 has been out for well over 18 months ?
The Gen 1 will definitely not support the panels you have fitted in a single string and they are unable to meet the maximum current those panels are capable of ~ maximum power per string is at best 4000 watts.
Maybe your installers think it’s a gen 2 and haven’t checked the model number which is why they might think it should support a larger string, but the gen 1 will not.
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