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xtrax38 avatar image
xtrax38 asked

Mppt charge controller 100/20

Hi, where in the settings do I change the PV voltage? I have a mppt 100/20.

MPPT Controllers
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2 Answers
nesswill avatar image
nesswill answered ·

Yes if no PV connected no PV voltage, see picture below/attached 1000001214.jpg


1000001214.jpg (338.5 KiB)
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xtrax38 avatar image xtrax38 commented ·

Nice one, thanks

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nesswill avatar image nesswill xtrax38 commented ·
Your welcome and good luck getting system up and running.
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xtrax38 avatar image xtrax38 nesswill commented ·
Hi sorry to be going on, the installer has missed wiring the pv but has wired the pos an negative on the load side, is this correct?
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nesswill avatar image nesswill xtrax38 commented ·
Depending if you have a load on the mttp can you trace where the wires go?
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xtrax38 avatar image xtrax38 nesswill commented ·
Yeah sorted, he placed the pv wires in load. I've moved them to pv. Thanks
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outsourcedguru avatar image outsourcedguru xtrax38 commented ·
Might be time to get a new installer. ha
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nesswill avatar image
nesswill answered ·

From the manual here suggest you have a read; Section 4.3 is specific to PV.


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xtrax38 avatar image xtrax38 commented ·
Hi thanks, but it doesn't tell me how to change settings.
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