Thanks Larry,
This would be a 240V to 120V step down configuration correct? So the sub panel
would be 120V only?
Best,
Amos
Amos Post
Integrity Energy
W 802.763.7023
C 802.291.2188
ienergyVT.com <http://www.ienergyvt.com/>
Facebook <https://www.facebook.com/integrityenergyllp?ref=hl>
> On Feb 3, 2021, at 4:10 PM, [email protected] wrote:
>
> Amos,
>
> When using it in balancing mode, as seen in the attached image, the PSX will
> provide 120Vac from either leg and the inverter output should stay balanced.
> A 240Vac circuit from the main panel goes to the PSX then to a sub panel and
> any 240Vac loads stay on the main panel.
>
>
> Larry Crutcher
> Starlight Solar Power Systems
>
> <Screen Shot 2021-02-03 at 2.00.39 PM.png>
>
>
> On Feb 3, 2021, at 1:49 PM, Amos Post <[email protected]
> <mailto:[email protected]>> wrote:
>
> We have had this issue with a recent installation. It’s a new off-grid house
> build, and so not many loads to speak of yet, except mainly power tools. The
> Solark 12K will not start any of: portable air compressor, table saw, and
> sometimes struggles with a miter saw, which are each 16amps or less at 120V,
> but I have measured close to 50amps start up for the air compressor and table
> saw. The air compressor and table saw are 1.5HP each. What helps is if the
> motors are warmed up, or putting another load on the other leg to balance the
> inverter’s output.
>
> Was thinking we would install a couple of dedicated 120V outlets for
> “high-current” 120V loads with a PSX-240, stepping down the inverter's 240 to
> 120. My understanding is this will solve the issue for starting these loads,
> but not sure if we might run into issues with inbalance down the road...
> Would be curious to know if there’s another way to balance all of the house
> loads using the PSX-240?..
> <IE LOGO 150x78.jpg>
>
> Amos Post
> Integrity Energy
> W 802.763.7023
> C 802.291.2188
> ienergyVT.com <http://www.ienergyvt.com/>
> Facebook <https://www.facebook.com/integrityenergyllp?ref=hl>
>
>> On Feb 3, 2021, at 2:41 PM, [email protected]
>> <mailto:[email protected]> wrote:
>>
>> If it turns out to be true, could you simply add the Outback PSX-240 to
>> balance the loads?
>>
>> Larry Crutcher
>> Starlight Solar Power Systems
>>
>>
>>
>>
>> On Feb 3, 2021, at 10:52 AM, Nick A Lucchese <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>> Good morning Wrenches,
>>
>> I’ve strongly been considering using the SolArk 12K unit for awhile but have
>> heard from a few folks that there can be somewhat frequent issues with the
>> inverter shutting down from line to line imbalance. As little as 1400 watts?
>> I could see where these instances would be minimized with attention to
>> detail on balancing all the loads but if’s as little as a delta of 1400
>> watts that might occur with something as innocent as a toaster oven. Seems
>> like it would also be less of an issue in a grid back up or AC coupled
>> scenario but for off grid I’d be bummed to be getting calls every couple
>> weeks from an off grid client that trusted me to offer the right equipment.
>>
>> How much of an issue is this? Is it getting exaggerated? Those that have NOT
>> had this happening was it on a full time off grid site?
>>
>> Has it happened less on sites using the "Limited to Home” mode? I have an
>> upcoming project that was going to be setup with a couple Radians in HBX
>> mode and my thought was perhaps it might be an ideal solution there but if
>> the continuity of electrical service was going to be provided mainly through
>> batteries and inverting and not through the pass through relays the majority
>> of the time then the site might likely experience this issue with imbalance
>> shutdowns.
>>
>> There are many attractive features of the SolArk and I really like the
>> thought of taking advantage of the 185 amp DC charger versus the Radian’s
>> 115 but I’m kind of thinking the risks may outweigh the benefits if these
>> shutdowns occur even once every couple of months. Any of you have a long
>> enough history with them to chime in with your observations? Are they most
>> reliable for AC coupled with backup rather than off grid or the “Limited to
>> Home” mode?
>>
>> Thanks for your time,
>> Nick A Lucchese
>>
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