Hi Zeke,
I appreciate your reply. Sharp finally got back to me, and it looks like
we are all good. Their reply is quoted below.
"Thank you for contacting us regarding your inquiry about using an
ungrounded inverter with the Sharp NU-U235F1 solar module. We are
pleased to provide the following information.
_Yes, the Sharp NU-U235F1 can generally be used with a modern ungrounded
(transformerless) inverter, provided that the inverter is listed and
approved for use with ungrounded PV arrays and that the entire system is
installed in accordance with all applicable local electrical codes and
regulations._
_The Sharp NU-U235F1 is a standard 60-cell monocrystalline solar module
designed for grid-tied and ground-mounted photovoltaic (PV) systems and
is compatible with properly specified ungrounded inverter systems."_
Thank you,
Drake
_Drake Chamberlin_
_Athens Electric LLC_
_Ohio Electrical Contractor's License 44810_
_NABCEP Certified PV Installation Professional_
On 2026-09-10 15:38, Zeke Yewdall wrote:
I am not sure what Sharp would say about it. But I do know that I
have two systems running the even older 167 watt sharp modules on
modern ungrounded inverters, and have not noticed any ill issues with
them.
Both are in dry climates... I know that some of the issues with
Sunpower modules not being positive grounded showed up way worse in
humid climates, and not nearly as much in dry climates.
Zeke
Hello All,
Does anyone know if the Sharp NU-235F1 modules can be used with
ungrounded inverters?
Thank you,
Drake
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