question

Lindsay avatar image
Lindsay asked

Configuring a Three Phase

We have connected a three phase 5KVA multiplus-II system.

the inverters are updated, now we want to configure them, we doing so without wiring the AC in but with the 480V battery wired up.

when we switch on the first one its ok but when the second one is switched on it starts beeping and the "absorption LED" lights up same with the third inverter, and we get error code 3.

Any assistance will be appreciated.



Multiplus-IIVEConfigure 3multi phase
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2 Answers
Matthias Lange - DE avatar image
Matthias Lange - DE answered ·
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Lindsay avatar image Lindsay commented ·

@Matthias Lange - DE

Thank you for your response, i have gone through the manual and the rest when i do power it on I am getting Error code 3.


please see the attached it's my network diagram. (also it's a 46V not a 460(typing error))

1669031899896.png

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1669031899896.png (171.1 KiB)
Matthias Lange - DE avatar image Matthias Lange - DE ♦ Lindsay commented ·
You need to configure the 3 MultiPlus to work together as a 3-Phase-System.

Please look again at the links I posted above.

Your wiring diagram looks good and it should work but you have to configure the system first.

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Lindsay avatar image Lindsay Matthias Lange - DE ♦ commented ·
we just did the configuration with the VE bus to USB and it's now working, and I'm getting the right readings.

Thank you



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Lindsay avatar image Lindsay Matthias Lange - DE ♦ commented ·
@Matthias Lange - DE

We have successfully set up the system and it's working perfectly. There is only one conflicting decision left and that's Should the - (neutral of the battery) be grounded?

and if you can explain to me why it would be much appreciated.

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nickdb avatar image nickdb ♦♦ Lindsay commented ·
This has been asked and answered multiple times already.
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suggarman avatar image
suggarman answered ·

I hope the battery is 48V and not 480V :-)

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Lindsay avatar image Lindsay commented ·
@suggarman

my bad (typing error) it is a 48V

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