[RE-wrenches] Magnum MS4024 grief

Kirk Herander kirkh at vermont.solar
Fri Dec 16 10:35:33 PST 2022


You may have neutral and ground connected at more than 1 location, meaning
at the genset and in house panel, which means the ground is carrying
current back to the generator in parallel with the neutral.

I remember with some Honda portables we had to float the neutral at the
genset or the inverter would trip the generator's GFI when trying to charge
the batteries.

On Fri, Dec 16, 2022 at 1:16 PM Dave Angelini Offgrid Solar via RE-wrenches
<re-wrenches at lists.re-wrenches.org> wrote:

> The easy answer is try another genset !  You have to be more specific, did it ever work? Is it new? etc.  Good Luck !
>
> *Dave Angelini Offgrid Solar
> "we go where powerlines don't"
> http://members.sti.net/offgridsolar/ <http://members.sti.net/offgridsolar/>
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> text 209 813 0060*
>
>
> On 2022-12-16 10:04 am, Chris Daum via RE-wrenches wrote:
>
> Hi folks:
>
> We have a new Magnum MS4024 mounted on an E-Panel using a MidNite Classic
> 150 and Whiz-Bang JR with power coming from an array of Trina
> TSM365-De06X-05(II) (three strings of three) with the ME-RC50 and a HUP
> SolarOne 6-85-14/24 battery.
> When we attempt to use the PFC (Power Factored Charger), the Gen Set’s
> GFCI outlets trip.  Thus far we have verified the connections are secure,
> assured that the gen set is grounded, disconnected the jumper within the
> E-Panel between the ground buss and neutral, checked AC voltages, removed
> the MNSPD’s from the buss(s)…  Stumped now on what an appropriate next step
> should be.  How do we get the PFC to function properly?  What are we
> missing?
>
> Best,
>
> Chris Daum
> Oasis Montana Inc.
> 406-777-4309 or 4321
> 406-777-4309 fax
> www.oasismontana.com
>
>
>
>
>
>
>
>
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-- 

*Kirk Herander / **kirkh at vermont.solar <kirkh at vermont.solar>*

*Owner|Principal, VT Solar, LLC*

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