[RE-wrenches] sol ark AGS question

Fri Sep 15 14:31:42 PDT 2023

I saw that setting. I didn't have a chance to look it up today, but I'm
going back to the site tomorrow. I'm going to play with that and try to get
rid of the ancillary equipment that is no longer necessary. Thanks for the
tip.

On Fri, Sep 15, 2023, 5:26 PM Chris Sparadeo <sparadeo.chris at gmail.com>
wrote:

> In an off-grid scenario I would suggest utilizing the grid connect timer
> as a Gen warm up. I typically set this qualification time to 30 or 60
> seconds. Sol Ark fixed the problem with dropping the 2 wire start under
> full load, so if this is an issue for you, I would update the firmware.
>
> On Fri, Sep 15, 2023 at 4:56 PM Jason Szumlanski via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
>> I just replaced two Sunny Islands and one Sunny Boy that I did not
>> install with a single Sol-Ark 15k today. The generator installer (not me)
>> had already installed a custom but simple time delay relay. I didn't get
>> into the logic of it, but from what I understand the generator already had
>> a cool-down period when remote start signal is lost, but no warm up delay.
>>
>> Major deficiency? I think that is actually pretty accurate and Sol-Ark
>> should fix it, but it isn't too hard to take care of it another way.
>>
>> I wonder if this has something with the distinction of accepting
>> generator input on the grid input as well. You would not want a grid delay
>> if it were a utility. Still, they should be able to build in that logic I
>> would think.
>>
>> Jason Szumlanski
>> Principal Solar Designer | Florida Solar Design Group
>> NABCEP Certified Solar Professional (PVIP)
>> Florida State Certified Solar Contractor CVC56956
>>
>>
>> On Fri, Sep 15, 2023 at 8:28 AM Michael Morningstar via RE-wrenches <
>> re-wrenches at lists.re-wrenches.org> wrote:
>>
>>> We learned of this major deficiency after an eight unit install. No cool
>>> down is disastrous to modern diesels. Our work around was installing a
>>> 400amp contactor and macromatic programmable relay.
>>>
>>> On Thu, Sep 14, 2023 at 10:05 PM Jerry Shafer via RE-wrenches <
>>> re-wrenches at lists.re-wrenches.org> wrote:
>>>
>>>> Jay, wrenches
>>>> ASCO makes multiple ATS controls that can manage delays latching up and
>>>> for cool down. Most of the gensets have are  programmed cool down after
>>>> relay opens so its not an issue. Generally on start up the genny connects
>>>> as soon as it's voltage and freq are within range.
>>>> fun times
>>>>
>>>>
>>>>
>>>> On Thu, Sep 14, 2023, 2:26 PM jay via RE-wrenches <
>>>> re-wrenches at lists.re-wrenches.org> wrote:
>>>>
>>>>> Hi All,
>>>>>
>>>>> I have a client with a sol ark and it doesn’t have warm up or cool
>>>>> down, kind of amazing companies are going backwards in their tech.
>>>>>
>>>>>
>>>>> Has anyone come up with external fix for this?
>>>>>
>>>>> I am guessing the internal relay on the sol ark switches closed when
>>>>> it sees the correct volts/hz and opens the sol ark relay when it sends the
>>>>> off signal.
>>>>>
>>>>> If thats correct I  can pretty easily use a delay relay on the off
>>>>> cycle assuming the on signal has a time window to allow for this delay in
>>>>> sending power to the inverter.
>>>>>
>>>>>  The on delay I don’t see anyway unless I use a contactor with on
>>>>> delay relay.
>>>>>
>>>>> Maybe there is a off the shelf generator transfer switch that has this
>>>>> built in?
>>>>>
>>>>> Thanks in advance
>>>>>
>>>>> Jay
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
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>>>
>>> --
>>>
>>> Michael Morningstar
>>>
>>>
>>> Morningstar Electric
>>>
>>> PO Box 1494
>>>
>>> Mount Shasta, CA 96067
>>>
>>> 530-921-0560
>>>
>>> mjmorningstar at gmail.com
>>>
>>>
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