Re: [RE-wrenches] 24 volt Battery Bank comparison

2011-05-31 Thread James Jefferson Jarvis
On 2011-05-31 20:14, Tom Elliot wrote: Good on the buss bars Wayne. Using them removes the concerns about multiple strings and increases redundancy and system stability. You won’t need 4/0 between single strings and the buss bar, you can probably easily use smaller cable, just size it for the ind

Re: [RE-wrenches] Off grid DC Loads: DC Converter

2018-01-15 Thread James Jefferson Jarvis
rator triggering if possible. -- -James Jefferson Jarvis APRS World, LLC +1-507-454-2727 www.aprsworld.com ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http:/

Re: [RE-wrenches] Off grid DC Loads: DC Converter

2018-01-18 Thread James Jefferson Jarvis
seem to be doing fine. The funny thing is I have small systems from early 2000's still running on their original PVX batteries. But I don't feel that would be possible with the batteries I was getting when I finally gave up. -- -James Jefferson Jarvis APRS World, LLC +1-507-454-27

Re: [RE-wrenches] Concorde Lifeline Battery failures

2018-01-19 Thread James Jefferson Jarvis
As far as I know, they are the same battery with different label. -James Jarvis APRS World, LLC +1-507-454-2727 http://www.aprsworld.com/ On Fri, Jan 19, 2018 at 10:10 AM, Glenn Burt wrote: > So the Lifeline models, not the SunXtender models? > > ___

Re: [RE-wrenches] Air X Turbine with Positive Ground

2018-01-19 Thread James Jefferson Jarvis
World's WT10 and WT14 and HR3 wind turbines will work with positive ground systems: http://www-dev.aprsworld.com/wtaprs/ Thanks, -- -James Jefferson Jarvis APRS World, LLC +1-507-454-2727 www.aprsworld.com ___ List sponsored by Redwood Alli

Re: [RE-wrenches] Solar Pond Aerators

2018-04-03 Thread James Jefferson Jarvis
US Solar Mounts in Wisconsin makes nice packaged systems. https://www.ussolarmounts.us/resources/benefits-of-aeration/ -James Jarvis APRS World, LLC +1-507-454-2727 http://www.aprsworld.com/ On Tue, Apr 3, 2018 at 11:11 AM, Dana wrote: > An internet search of “solar pond aeration” turned up a

Re: [RE-wrenches] Mounting on rock

2018-04-12 Thread James Jefferson Jarvis
On 04/12/2018 08:53 AM, Aaron Mandelkorn wrote: Thanks all. The flange plate was what I was thinking. It may be to difficult to level a ballast mounting roof system. Engineering may be a little difficult I assume? No, engineering is easy. If it is unbroken it should be at least as strong as

Re: [RE-wrenches] Xfmr's job?

2018-05-31 Thread James Jefferson Jarvis
MIG welder, or anything else. Do you find you have good reliability with Magnum products? I have never had a failure with any MS inverter or ARC or AGS that I've installed. I had one BMK fail after 5 years, but that was during a lightning storm. -James Jefferson Jarvis APRS World, LLC

Re: [RE-wrenches] Trace Replacement?

2018-10-08 Thread James Jefferson Jarvis
Magnum has had online monitoring for many years now. I believe it was way before Outback and Xantrex. Here is one of my sites in Fairbanks, Alaska: http://data.magnumenergy.com/MW5009/ -James Jarvis On 10/8/2018 9:23 AM, Dave Angelini Offgrid Solar wrote: I just use Outback and Schneider bec

Re: [RE-wrenches] Radian orders hardware problems

2018-12-04 Thread James Jefferson Jarvis
know for sure where to find the good ones? -- -James Jefferson Jarvis APRS World, LLC +1-507-454-2727 www.aprsworld.com ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & sett

Re: [RE-wrenches] advice on cellular modem brands

2020-04-12 Thread James Jefferson Jarvis
The non-consumer grade units will have wired ethernet ports. My favorite is the Sierra Wireless RV50X. It is rock solid stable and uses less than 1 watt of power. https://www.sierrawireless.com/products-and-solutions/routers-gateways/rv50/ The problem I have run into with the JetPacks and the

Re: [RE-wrenches] RE-wrenches Digest, Vol 6, Issue 276

2013-07-22 Thread James Jefferson Jarvis
ng some sort of super glue. I'd be interested to hear from anyone who's found a successful method or product for this application. You probably need a "Low Surface Energy" adhesive. Try 3M 300LSE double sided tape. -- -James Jefferson Jarvis APRS World, LL

Re: [RE-wrenches] Mouse pee in the SW

2013-08-16 Thread James Jefferson Jarvis
I suspect that the board will require future attention and that calls for a coating that you can remove or rework through. Especially with the silicone conformal coating, it is almost impossible to remove or rework through. For what it is worth and Good luck, -- -James Jefferson Jarvis A

Re: [RE-wrenches] programmable relay board

2013-09-11 Thread James Jefferson Jarvis
On 9/11/2013 7:44 AM, Mac Lewis wrote: I am looking for a suitable replacement programmable relay board that would offer similar or better functionality as Relays 9 & 10 on the SW. Any suggestions for robust programmable relay boards with good documentation? I am not familiar with relay 9 and

Re: [RE-wrenches] 3-Phase Service, One Phase Fails

2013-09-24 Thread James Jefferson Jarvis
Phase loss relay that opens contactor(s) serving the inverters. That will shut everything down if the utility drops a phase. -James Jefferson Jarvis APRS World, LLC http://www.aprsworld.com +1-507-454-2727 (this message was sent from my cell phone ... my apologies for any spelling errors) On Sep

Re: [RE-wrenches] Breaker Space Knockouts

2013-09-25 Thread James Jefferson Jarvis
and takes a while, however. -James Jefferson Jarvis APRS World, LLC http://www.aprsworld.com +1-507-454-2727 (this message was sent from my cell phone ... my apologies for any spelling errors) On Sep 25, 2013 1:08 PM, "Drake" wrote: > Hello Wrenches, > > Has anyone come up

Re: [RE-wrenches] Oddball wire request

2013-10-10 Thread James Jefferson Jarvis
nches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org --

Re: [RE-wrenches] morning star ts-mppt-60-600

2014-02-12 Thread James Jefferson Jarvis
settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org -- -Jam

Re: [RE-wrenches] morning star ts-mppt-60-600

2014-02-12 Thread James Jefferson Jarvis
even uses the Internet. -- -James Jefferson Jarvis APRS World, LLC +1-507-454-2727 www.aprsworld.com ___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Change email address & settings: http://lists.re-wrenches

Re: [RE-wrenches] Polar Power

2014-03-10 Thread James Jefferson Jarvis
that their control has a bunch of communications interfaces on it. But they weren't willing to support anything besides the ethernet interface ($$$ extra) and their software. -James Jefferson Jarvis APRS World, LLC http://www.aprsworld.com +1-507-454-2727 (this message was sent from my ce

Re: [RE-wrenches] Flexible stranded Connectors

2014-04-30 Thread James Jefferson Jarvis
inly cost me a whole bunch of time tempered my interest in Sunny Island inverters. -- -James Jefferson Jarvis APRS World, LLC +1-507-454-2727 www.aprsworld.com ___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org

Re: [RE-wrenches] RS485 wiring

2014-05-14 Thread James Jefferson Jarvis
ail address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org

Re: [RE-wrenches] Gin Pole

2014-07-30 Thread James Jefferson Jarvis
are at a double dis-advantage having no experience and not knowing if this one was laid out correctly. Best of luck. Stay safe. -James Jefferson Jarvis APRS World, LLC +1-507-454-2727 www.aprsworld.com ___ List sponsored by Redwood Alliance List

Re: [RE-wrenches] Low wattage 120vac to 24vdc transformer for LED's

2015-01-29 Thread James Jefferson Jarvis
tions.cgi/re-wrenches-re-wrenches.org List-Archive: http://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/maillist.html List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org -- -James Jefferson Jarvis APRS World, LLC +1-50

Re: [RE-wrenches] Load testing Lithium battery bank

2015-03-17 Thread James Jefferson Jarvis
ng or "bung" to weld in. The vegi-oil people seem to have this sort of stuff as they build water heater elements into things. -- -James Jefferson Jarvis APRS World, LLC +1-507-454-2727 www.aprsworld.com ___ List sponsored by Redwood Alliance L

Re: [RE-wrenches] PV Mod skylight (clear backsheet)

2015-03-19 Thread James Jefferson Jarvis
Silicon Energy has panels that let light through. Expensive, but very strong. http://silicon-energy.com/ -James Jefferson Jarvis APRS World, LLC +1-507-454-2727 www.aprsworld.com ___ List sponsored by Redwood Alliance List Address: RE-wrenches

Re: [RE-wrenches] 48 VDC to 24 VDC Relay

2015-03-27 Thread James Jefferson Jarvis
ke voltage controlled switches. Or you could control the actuator based on temperature, like they usually are. Good luck, -James Jefferson Jarvis APRS World, LLC +1-507-454-2727 www.aprsworld.com ___ List sponsored by Redwood Alliance List A

Re: [RE-wrenches] Gen preheat in cold climates

2015-04-03 Thread James Jefferson Jarvis
ving you in a worse situation than you started. -James Jefferson Jarvis APRS World, LLC +1-507-454-2727 www.aprsworld.com ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & s

Re: [RE-wrenches] Flying with Makita batteries in checked or carryon?

2015-09-28 Thread James Jefferson Jarvis
Carry your batteries in carry on. Absolutely no issues that way. I do it multiple times per month. -James Jefferson Jarvis APRS World, LLC This message sent from my cell phone. My apologies for brevity and spelling errors. On Sep 28, 2015 5:18 PM, "Dan Fink" wrote: > Esteemed

Re: [RE-wrenches] Rapid Shutdown

2016-03-15 Thread James Jefferson Jarvis
James Jefferson Jarvis APRS World, LLC +1-507-454-2727 www.aprsworld.com ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wr

Re: [RE-wrenches] Stolen modules, what to do?

2016-05-19 Thread James Jefferson Jarvis
What's the point in any of this? I can break 1/4" hardware with a standard ratchet wrench. Save the time and dollars and use it to buy spares or put the modules up out of reach. -James Jefferson Jarvis APRS World, LLC This message sent from my cell phone. My apologies for brevity an

Re: [RE-wrenches] DIN Rail connector source

2016-09-27 Thread James Jefferson Jarvis
e-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org -- -James Jefferson Jarvis APRS World, LLC +1-507-454-2727 www.aprsworld.com ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrench

[RE-wrenches] Deep well submersible pump query

2016-10-05 Thread James Jefferson Jarvis
case of a Franklin drive!). Or I can use an off-the-shelf 3 phase pump, and an off the shelf line reactor and VFD combination. Thanks, -- -James Jefferson Jarvis APRS World, LLC +1-507-454-2727 www.aprsworld.com ___ List sponsored by Redwood Alli

Re: [RE-wrenches] AC lock-out

2017-05-02 Thread James Jefferson Jarvis
www.members.re-wrenches.org -- -James Jefferson Jarvis APRS World, LLC +1-507-454-2727 www.aprsworld.com ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://lis

Re: [RE-wrenches] AC Coupled Enphase

2017-08-28 Thread James Jefferson Jarvis
On 8/28/2017 8:44 AM, Drake wrote: Alternatively, does anyone know of reasonably priced, 2 pole solid state relays? Just use two single pole SSRs. One for each leg. There are two pole SSR, but the price is not going to be bargain basement. -James Jefferson Jarvis APRS World, LLC +1-507-454

Re: [RE-wrenches] Temp sensor cross platform

2013-01-09 Thread James Jefferson Jarvis
Morningstar is a 10k NTC thermistor. Most manufacturers are this. You can buy $1 to $5 thermistors from Digi-Key. -James Jarvis APRS World, LLC On 01/09/2013 11:09 AM, Jay Peltz wrote: Hi all I'm wondering if anyone knows if temp sensors are common within the following items Tristars Xante

Re: [RE-wrenches] Relay for excess PV/ AC coupling

2013-03-06 Thread James Jefferson Jarvis
g the system design (two inverters? Micro inverters?) would be more cost effective. Switching AC is relatively cheap and very easy. DC is not. -James Jefferson Jarvis APRS World, LLC http://www.aprsworld.com +1-507-454-2727 (this message was sent from my cell phone ... my apologies for any spe

Re: [RE-wrenches] bad battery = system overvoltage = dead inverter

2013-03-15 Thread James Jefferson Jarvis
re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org -- -James Jefferson Jarvis APRS World, LLC +1-507-454-2727 www.aprsworld.com ___ List sponsored by Home Po

Re: [RE-wrenches] Supply side denial

2020-10-28 Thread James Jefferson Jarvis
hes@lists.re-wrenches.org/ 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 -- -James Jefferson Jarvis j...@aprsworld.com +1-507-454

Re: [RE-wrenches] Remote battery disconnects

2023-02-01 Thread James Jefferson Jarvis via RE-wrenches
On 2/1/2023 12:25 PM, Alex MeVay via RE-wrenches wrote: Although our controllers are probably smaller than what you would be considering in this discussion, surviving a load dump (suddenly disconnected battery) is an engineering requirement for us, and likely would be for other responsible MFG

Re: [RE-wrenches] Remote battery disconnects

2023-02-01 Thread James Jefferson Jarvis via RE-wrenches
ut issue that is a big issue depending on what gear your using. On Wed, Feb 1, 2023 at 2:49 PM James Jefferson Jarvis via RE-wrenches <mailto:re-wrenches@lists.re-wrenches.org>> wrote: On 2/1/2023 12:25 PM, Alex MeVay via RE-wrenches wrote: > Although our controllers ar