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 < [email protected]> 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 < > [email protected]> 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 < >> [email protected]> 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 >>> >>> >>> >>> >>> >>> >>> _______________________________________________ >>> List sponsored by Redwood Alliance >>> >>> Pay optional member dues here: http://re-wrenches.org >>> >>> List Address: [email protected] >>> >>> Change listserver email address & settings: >>> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >>> >>> There are two list archives for searching. When one doesn't work, try >>> the other: >>> https://www.mail-archive.com/[email protected]/ >>> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >>> >>> List rules & etiquette: >>> http://www.re-wrenches.org/etiquette.htm >>> >>> Check out or update participant bios: >>> http://www.members.re-wrenches.org >>> >>> _______________________________________________ >> List sponsored by Redwood Alliance >> >> Pay optional member dues here: http://re-wrenches.org >> >> List Address: [email protected] >> >> Change listserver email address & settings: >> http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org >> >> There are two list archives for searching. When one doesn't work, try the >> other: >> https://www.mail-archive.com/[email protected]/ >> http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org >> >> List rules & etiquette: >> http://www.re-wrenches.org/etiquette.htm >> >> Check out or update participant bios: >> http://www.members.re-wrenches.org >> >> > > -- > > Michael Morningstar > > > Morningstar Electric > > PO Box 1494 > > Mount Shasta, CA 96067 > > 530-921-0560 > > [email protected] > > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > There are two list archives for searching. When one doesn't work, try the > other: > https://www.mail-archive.com/[email protected]/ > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > http://www.members.re-wrenches.org > >
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