[RE-wrenches] sol ark AGS question

Sat Sep 16 08:51:34 PDT 2023

As I’ve been researching this, the Atkinson GSCM can do this when coupled to an external relay.

If I understand correctly.

Jay

The warm up ( on delay ) is 0- 60 seconds,

the cool down ( off delay) is 0-120 seconds

https://thesolarstore.com/manuals/GSCM.pdf

> On Sep 16, 2023, at 9:20 AM, Chris Sparadeo via RE-wrenches <re-wrenches at lists.re-wrenches.org> wrote:
> 
> Michael,
> 
> Sol Ark does not have an explicit or adjustable cool down setting, but it has fixed the problem of dropping the AGS signal under full load. 
> 
> Dustin at sol-ark.com <mailto:Dustin at sol-ark.com> can you confirm this? 
> 
> On Fri, Sep 15, 2023 at 5:41 PM Michael Morningstar via RE-wrenches <re-wrenches at lists.re-wrenches.org <mailto:re-wrenches at lists.re-wrenches.org>> wrote:
> Chris, 
> Just so that I understand correctly, are you saying that new firmware allows for generator cool down?
> 
> 
> On Fri, Sep 15, 2023 at 2:33 PM Jason Szumlanski via RE-wrenches <re-wrenches at lists.re-wrenches.org <mailto:re-wrenches at lists.re-wrenches.org>> wrote:
> 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 <mailto: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 <mailto: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 <mailto: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 <mailto: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 <mailto: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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