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PIP-4048MS inverter

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vast View Drop Down
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Joined: 19 November 2016
Location: Iasi - RO
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Post Options Post Options   Thanks (0) Thanks(0)   Quote vast Quote  Post ReplyReply Direct Link To This Post Posted: 22 November 2016 at 5:14am
Hi Coulomb.
I don't have mains power at all. I have a generator, but is not connected to the inverter. So, nothing is connected to the AC input.

I asked especially for menu #12 and #13. Initialy, I setup only menu for Bulk, Float and Low DC disconnect (#12 and 13 was default), but I observed that inverter start to warning beep when the voltage drop below 50V and was annoying for me. Then, I modified #12 to 48V and #13 to 50V and was much better.

Another point which I don't understand: warning beep stoped when the voltage is +4V over the #29 Low DC disconnect.


P.S. If I make grammar mistake, please forgive me and help me to improve my english.
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paulvk View Drop Down
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Joined: 23 October 2015
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Post Options Post Options   Thanks (0) Thanks(0)   Quote paulvk Quote  Post ReplyReply Direct Link To This Post Posted: 28 November 2016 at 6:40pm
Some observations of early cut off of bulk charge:
System 1 two PIPs 72.40 cuts off early on occasion
System 2 one PIP 52.30 cuts off early often
So they made improvements as I said before when the warranty runs out in Jan next year I will load the modded software.
Also got myself a Esmart 40A LCD MPPT Solar Charge Controller to play with looking to see if I can use it to add more solar to my units and I find that MPP are not the only ones using 63V capacitors, worse still 100V caps on the panel input , they rate the unit at 100v with 110v cut off yea thats going to work! Going to replace/move the 63v with the 100v and get some 150v or higher to replace the 100v ones, semiconductors 150 and 200 volt ok there.
If I can set the voltages not to go over 57v maybe it will be ok with the PIPs I will report on progress.
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Tjadenw View Drop Down
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Joined: 10 July 2015
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tjadenw Quote  Post ReplyReply Direct Link To This Post Posted: 30 November 2016 at 1:12am
Hi

Eventually gave up on trying to figure out how to calibrate the 24 volt 3kva voltage seems like the 24 volt model can not be calibrated at all.

I kept a copy of the 24volt 3kva inverter with the 60 amp MPPT SCC
Think 0243 is the latest firmware, but this version still do not stay in absorb long enough.

PIP-MSX_2-3K_MAIN_0243.zip
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