Re: [RE-wrenches] Outback inverter generator question

2017-12-16 Thread Ray
spend some money on the right generator or a transformer and repair the old generators. Ray Walters On 12/16/2017 7:04 PM, Jerry Shafer wrote: Ron A 5 k 120/240 genny pushing a 24 volt 3500 watt sounds way over kill and only pushing one leg only will result in issues, have not seen them with h

Re: [RE-wrenches] GENERAC EcoGen 6kw problem

2018-01-08 Thread Ray
I recently had a frustrating generator trouble shoot that was similar, turned out to be a dirty air filter of all things.  Easy fix, but took a couple of hours to come to that conclusion... Ray Remote Solar On 1/8/2018 5:38 PM, David Palumbo wrote: Can the programming change on its own

[RE-wrenches] Wire management with S5! Railless System

2018-01-10 Thread Ray
arrying S5 altogether. Give me your Standing seam wisdom. Thanks, Ray Walters Remote Solar ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://lists.re-wrenches.o

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

2018-01-16 Thread Ray
The cell failures described are yet another sign the batteries need to be replaced. Ray Walters Remote Solar On 1/16/2018 1:51 PM, Daniel Young wrote: Agreed Dave, there are more loads than the original design accounted for. The client understands this so at least we're not in hot

[RE-wrenches] Air X Turbine with Positive Ground

2018-01-19 Thread Ray
negative had to be bonded to ground or "severe damage to the turbine may result".  I called Primus tech support, but they were not able to answer the question yet, and I need to know ASAP to cancel the installation. Thanks Again for your Help oh *RE*/vered/ *Wrenches*, Ray Walters Re

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

2018-01-19 Thread Ray
ld him it would NOT work with positive ground systems, which precludes most telecom. Thanks, Ray Walters On 1/19/2018 3:25 PM, b...@midnitesolar.com wrote: The MidNite Chinook 200 is 100% isolated from ground and therefore would work well on a positive ground system. It has n

Re: [RE-wrenches] Is there a charge controller do this?

2018-01-28 Thread Ray
generator, so I can't say if I have experience with it, so this is just my uninformed  0.02 worth. Ray Walters Remote Solar On 1/28/18 8:23 PM, Mac Lewis wrote: Hello wrenches, I'm working on 3 off-grid telecom sites.  They are designed to operate solar only under most condit

Re: [RE-wrenches] S-Flex components needed

2018-02-06 Thread Ray
The clamps should be the same, whether they are used for ground mount or roof applications.  Also, I may have some left over S Flex hardware we could send you. Ray Walters Remote Solar On 2/6/18 12:56 PM, Lorenzo Ortiz wrote: Wrenches, We're looking for S-Flex mids and ends for a ret

Re: [RE-wrenches] Older iCel System Lithium Ion Batteries

2018-02-10 Thread Ray
out close to their short circuit current, as the batteries will pull the array voltage way down on the IV curve. Ray Walters Remote Solar On 2/10/18 1:37 AM, Sindelar Solar wrote: Gary, you might try an old-fashioned approach: bypass the controller to send the array straight to the

Re: [RE-wrenches] Older iCel System Lithium Ion Batteries

2018-02-10 Thread Ray
ver do it normally, and you stop as soon as: A) nothing is happening, or B) the battery voltage rises enough for the charge controller to start doing its job again. Ray On 2/10/18 5:03 PM, Darryl Thayer wrote: Is there not a concern that if the batteries are showing such low voltage that they will

Re: [RE-wrenches] Older iCel System Lithium Ion Batteries (Steve Higgins)

2018-02-16 Thread Ray
We found the Quick Charge Chargers to be the best deal for 48 v chargers, otherwise the Iota is good for lower voltages https://quickcharge.com/ Ray Walters Remote Solar On 2/16/18 4:04 PM, Gary Rochlin wrote: Hi Tom; Each battery consists of 7 pack of 16 Panasonic CGR 1865D batteries

[RE-wrenches] Li+ Systems Puerto Rico

2018-02-19 Thread Ray
nt to set up systems that are going to not be functional in 5 to 8 years because of inferior AGM lead acid batteries.  We use HUP batteries for most larger off grid systems, but these are not feasible because of their size and maintenance requirements. Thanks,

Re: [RE-wrenches] Testing AGMs

2018-02-24 Thread Ray
ght.  I listen to my customers; they know better than anyone when the system isn't working the same, and after checking for new loads, and proper charge settings, its almost always batteries. Ray Remote Solar On 2/24/18 5:20 PM, Dave Angelini Offgrid Solar wrote: Load test and compar

Re: [RE-wrenches] TJI rafters

2018-03-03 Thread Ray
onstruction staples don't have great pull out resistance, so I would hope that the builder uses some type of rated screws to attach the decking. Ray Walters Remote Solar On 3/3/18 10:52 AM, William Miller wrote: Jerry: We have successfully used the DPW EZ-feet on sheet metal, cathedral

Re: [RE-wrenches] Stuck in a furl

2018-03-07 Thread Ray
Primus Wind Power took over the Air X line, but they aren't doing the Whisper equipment. Ray Remote Solar On 3/7/18 1:06 PM, Starlight Solar Power Systems wrote: Mac, A company called Luminous Renewable Energy Solutions Pvt. Ltd. had taken over the SWWP line. My last email with the

Re: [RE-wrenches] Outback: Vicious compatibility circle

2018-03-16 Thread Ray
I had so many problems with the backwards compatibility issues, FXR firmware issues, and inconsistent tech support that we have dropped Outback from our lineup except for their charge controllers.  The controllers seem to still be reliable. Ray Walters Remote Solar On 3/16/18 6:18 PM, d

Re: [RE-wrenches] Electric Water kWh/ person

2018-03-20 Thread Ray
nd AC charger to run the Rianai, since they have Trace inverters.  Talk about a waste!) 3) They still have the hard well water scaling issues. Ray Remote Solar On 3/20/18 12:03 PM, Dana wrote: It used to be that “tankless” water heaters were very sensitive to stable temperature production as

Re: [RE-wrenches] rail less standing seam attachments

2018-03-31 Thread Ray
. Thanks Ray Walters Remote Solar On 3/31/18 11:00 AM, Bill Hoffer wrote: Jay Just finished using S5PV railess on standing seam roof 12x12 pitch.  Worked great, but wire management was challenging with minimal clearance under modules.  Had to think ahead to make it work.  And still was a struggle

Re: [RE-wrenches] generator search

2018-04-09 Thread Ray
lator doesn't freeze up. Ray Walters Remote Solar On 4/9/18 2:46 PM, Michael Morningstar wrote: Yes, the Cummins technician that commissions our generators insists that locations with consistent low’s below 15F require the coolant heater. All but two of my installs(outdoor) have omitted conne

Re: [RE-wrenches] generator search

2018-04-10 Thread Ray
long does the heater take to bring the temp up?  I would consider putting it on a prestart relay, so that it started preheating it only when the system was getting close to needing the generator. Ray On 4/9/18 9:18 PM, Kienan Maxfield wrote: Ray, That's not going to work for the Cummi

Re: [RE-wrenches] Mounting on rock

2018-04-12 Thread Ray
rock.  smaller holes were drilled into the surrounding rock to attach the concrete to the rock as well. Ballasted systems could be an option, as well as low profile racking with multiple anchor points.  Not fun but it can be done. Ray Walters On 4/12/18 7:27 AM, Aaron Mandelkorn wrote: Hi

Re: [RE-wrenches] Location of DC disconnect vis-a-vis rapid shutdown exemption

2018-04-16 Thread Ray
depend on that power for heat, light, refrigeration, and even breathing machines. Ray Walters Remote Solar On 4/16/18 7:44 AM, Brian Mehalic wrote: Hey y'all, I'm going to disagree about the NEC getting "worse and worse when it comes to PV," (see disconnect and groundi

Re: [RE-wrenches] Location of DC disconnect vis-a-vis rapid shutdown exemption

2018-04-17 Thread Ray
PV Disconnect" in an off grid system.  Not such a big deal, until we are required to apply 690.12. Thanks everyone for your answers and opinions, Ray Walters Design Engineer Remote Solar On 4/17/18 7:15 AM, Rebekah Hren wrote: Hi everyone, I strongly recommend looking at the figures tha

Re: [RE-wrenches] Looking for insulated #6 bare standoff

2018-04-18 Thread Ray
That was my question as well.  USE -2 with green insulation is available.  Sorry to hear about AHJ's in Idaho being stuck over a decade back.  I thought that array grounding was UL listed and better spelled out now in NEC 2017.  What code cycle are you all on? Ray Walters Remote Solar

Re: [RE-wrenches] Looking for insulated #6 bare standoff

2018-04-19 Thread Ray
th toothed lock washer to bite into the AL, or it also works well folded in ground Lugs and buss bars. You can open up the weave of the braided copper in the middle to get the 1/4" bolt through.  I've checked these years later: no corrosion, wire not broken off at the connector. Ray

Re: [RE-wrenches] Looking for insulated #6 bare standoff

2018-04-20 Thread Ray
ckers.  PV wire is acceptable. -Ray On 4/20/18 11:46 AM, Dana wrote: Ray, In Idaho if it does not have UL attached it is not acceptable. Personally I think this would be just fine & a step up maybe with a WEEB top & bo

Re: [RE-wrenches] Looking for insulated #6 bare standoff

2018-04-20 Thread Ray
ter a few years, the inspectors know I'm not trying to get away with sub standard work, and that we all want the installation to be done right. -Ray On 4/20/18 12:38 PM, cwarfel wrote: It's just not Idaho. I was just asked about NEC PV interpretation for a large city on the East coas

Re: [RE-wrenches] Chevy Bolt

2018-04-23 Thread Ray
Pretty sure the Magnum will work, since I have a customer with a Chevy Volt running on old Trace SW4024 inverters.  Not mod sine, but they're not near as clean as the Magnums either. -Ray On 4/23/18 12:33 PM, RE Ellison wrote: I have a customer with a 20-year-old modified sine wave inv

[RE-wrenches] Large Off Grid Inverter?

2018-04-25 Thread Ray
ibility of  limiting operations during cloudy weather to meet these goals. Thanks, Ray Walters Remote Solar ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http

Re: [RE-wrenches] Large Off Grid Inverter?

2018-04-26 Thread Ray
f grid.  I don't want to spec the next Studebaker of solar. Thanks everyone for your help, Ray On 4/26/18 8:17 AM, Dave Angelini Offgrid Solar wrote: Agree with Daryl here at the end. You have to solve the motor surge with variable frequency drive and go 3 phase. If there is a reasonable

Re: [RE-wrenches] Large Off Grid Inverter?

2018-04-26 Thread Ray
er in Haiti forming a micro-grid, but I have very few details at the moment. Even if your experience with these large battery inverters is just on grid, I'd love to hear about it. Offline is fine, if its not all good news. Thanks, Ray Walters Remote Solar On 4/26/18 5:23 PM, Kevin

Re: [RE-wrenches] SMA Sunny Boy Display Window

2018-05-11 Thread Ray
I've also used some special 3M sanding pads that go up to 10,000 grit.  They are used for polishing airplane wind shields.  Enough elbow grease, you can get any result you want. Ray Walters Remote Solar 303 505-8760 On 5/11/18 1:48 PM, Jerry Shafer wrote: Wayne We use automotive

Re: [RE-wrenches] Ilsco Insulated Tap Connectors

2018-06-02 Thread Ray
cable rated connectors.  They have blue caps.  This is what we should be using when using higher strand count cables like Cobra X Flex. Ray Walters Remote Solar 303 505-8760 On 6/2/18 8:18 AM, Darryl Thayer wrote: I have heard AC DC no difference.  However, I have experienced failure of

Re: [RE-wrenches] top of pole with no galvy

2018-06-07 Thread Ray
in a regular ground mount, and set it on concrete Sona tube risers. Ray Walters Remote Solar 303 505-8760 On 6/7/18 5:02 PM, Bruce Erickson wrote: Hi All, I have a super particular customer who needs a small top-of-pole rack, but will not accept anything but aluminum or stainless (or bronze or tit

Re: [RE-wrenches] steel cased industrial batteries

2018-06-08 Thread Ray
HUP is made by Enersys.  We've had great luck with them over the years, sold many sets. 2100 cycles to 80% DOD is written into the 10 yr warranty. Ray Walters Remote Solar 303 505-8760 On 6/8/18 8:54 AM, jay wrote: HI All, I’ve wondering if there are recommendations for steel cased fl

Re: [RE-wrenches] Three phase lightning protection

2018-06-10 Thread Ray
2nd the Midnite's.  I quit having lightning related damage since I started using them.  Delta?  I think a Pet Rock might be more effective. Ray Walters Remote Solar 303 505-8760 On 6/10/18 3:56 PM, Dave Angelini Offgrid Solar wrote: 3 Midnite 600v SPD's ! Anyone got a line on h

Re: [RE-wrenches] EMP and PV modules

2018-06-18 Thread Ray
a big EMP event, we will deal with it and get back in action, in months, not centuries. I always reiterate this fact: Electricity is not essential to Life.  (cue the collective gasps from my fellow electricians) We might actually get off our stupid phones long enough to look around and en

Re: [RE-wrenches] Rapid Shutdown and January 1 2019 option?

2018-07-06 Thread Ray
Rapid shutdown equipment after nuisance trips. Are we going to wait until we get someone killed in the name of "Safety" before we fix this? Ray Walters Remote Solar 303 505-8760 On 7/6/18 9:55 AM, cwarfel wrote: I am wondering about the experience installers have with a DC coupled mul

[RE-wrenches] Fwd: Re: Rapid Shutdown and January 1 2019 option?

2018-07-06 Thread Ray
Forwarded Message Subject:Re: [RE-wrenches] Rapid Shutdown and January 1 2019 option? Date: Fri, 6 Jul 2018 16:37:47 -0600 From: Ray To: Rebekah Hren Hi Rebekah; I very much appreciated your previous posts on this. Yes, we do not need to disconnect the

Re: [RE-wrenches] UL/CSA listed battery monitor?

2018-07-10 Thread Ray
This is probably a dumb question, but is the NiCad battery UL listed?  Most batteries are not. Ray Walters Remote Solar 303 505-8760 On 7/10/18 2:19 PM, b...@midnitesolar.com wrote: I don't know of any listed battery monitors.  Not sure what spec they would be tested to ? However.

Re: [RE-wrenches] Electrolyte Dilution vs Voltage

2018-07-18 Thread Ray
dying left and right, and it will get really miserable.  Basically it comes down to how long she is willing to suffer. Ray Walters Remote Solar 303 505-8760 On 7/18/18 9:38 AM, Mac Lewis wrote: Hello Wrenches, I have a homeowner client that takes pretty good care of her batteries.  She has a 5

Re: [RE-wrenches] Electrolyte Dilution vs Voltage

2018-07-19 Thread Ray
resistance might help too, but yes, less parallel strings is better. Ray Walters Remote Solar 303 505-8760 On 7/18/18 7:33 PM, William Miller wrote: Colleagues: I believe that circulating currents in multi-string battery installations are a major cause of premature failure of such a system. 

Re: [RE-wrenches] 5 battery strings

2018-07-23 Thread Ray
to see amp circulation between strings with some scientific accuracy, but is that in the customer's best interest? Ray Walters Remote Solar 303 505-8760 On 7/23/18 10:33 AM, offgridso...@sti.net wrote: There will be troubleshooting with this design. Probably easier to use it up and redes

Re: [RE-wrenches] Large off grid

2018-07-23 Thread Ray
d overall electrical system design, they're probably not going to be good customers later. Ray Walters Remote Solar 303 505-8760 On 7/23/18 6:29 PM, Allan Sindelar wrote: Aaron, In thirty years my largest off grid residence (2005 install) had four Outback VFX3648s, with the inner two i

Re: [RE-wrenches] Silly off grid

2018-07-24 Thread Ray
of a legit grow operation,  that makes much more sense. Ray Walters Remote Solar 303 505-8760 On 7/24/18 9:24 AM, Dana wrote: I noticed the 970 area code – If they are growing weed suggest a green house. Dana

Re: [RE-wrenches] 5 battery strings

2018-07-25 Thread Ray
That's true for 48 v systems but not 24v. Ray Walters Remote Solar 303 505-8760 On 7/25/18 12:44 PM, Matt Partymiller wrote: Most systems will operate down 2 volts without a problem. Warrants reconfiguring but often the homeowner won't even notice for a few days. In the past month

Re: [RE-wrenches] Batteries in 4' tall crawl space

2018-07-30 Thread Ray
tomers and inspectors) was happy.  Here's a pic of some HUPs in a floor vault just below the inverter: Ray Walters Remote Solar 303 505-8760 On 7/30/18 8:37 AM, Dana wrote: Safe working clearance is 6’-8”. I have been confronted with this issue in the past taking over other’s systems care.

Re: [RE-wrenches] FW: Batteries in 4' tall crawl space

2018-07-30 Thread Ray
Yea its actually Windy and Allan's ideas.  I'm only 'freaking brilliant' enough to copy the masters. Ray Walters Remote Solar 303 505-8760 On 7/30/18 4:50 PM, Dana wrote: A bit of serious carpentry if a retrofit but, freakin

Re: [RE-wrenches] Batteries in 4' tall crawl space

2018-07-31 Thread Ray
blow.   8 years on Dekas that are losing capacity is probably getting close to time to replace. Ray Walters Remote Solar 303 505-8760 On 7/31/18 2:14 PM, Ken Schaal wrote: And thank you Steve for reminding folks of all those nasty effects of outgassing hydrogen..I figured someone would, n

Re: [RE-wrenches] Batteries in 4' tall crawl space

2018-08-01 Thread Ray
Never laid on my stomach, I just have kneel pad I use for lots of stuff but it works good here too.  I never get my face that close to the battery any way. Usually 2 to 3 ft is good. Ray Walters Remote Solar 303 505-8760 On 8/1/18 2:21 PM, Glenn Burt wrote: Interesting idea, but it looks

Re: [RE-wrenches] battery temp sensors for older Trace/Xantrex inverters

2018-08-05 Thread Ray
rally cook batteries, so if you're not absolutely sure, don't connect it. I have a few old Trace sensors, but there only going to a system that really needs them.  Contact me off list. Ray Walters Remote Solar 303 505-8760 On 8/5/18 7:01 AM, Chris Schaefer wrote: It's a dual labe

Re: [RE-wrenches] Conext xw+ 6848 inverter 1.5 minute voltage increase

2018-08-13 Thread Ray
thing seemed normal; close to 120 vac on each leg, and 240 vac loads were not effected. Ray Walters Remote Solar 303 505-8760 On 8/13/18 7:04 AM, Drake wrote: This problem might be due to a neutral connection problem in the electrical system. Loose neutral connections can put 120 V loads in series

Re: [RE-wrenches] Conext xw+ 6848 inverter 1.5 minute voltage increase

2018-08-13 Thread Ray
Also check the inverter syncing,  if they aren't in sync you can have the wave forms become additive and have higher voltages too. Ray Walters Remote Solar 303 505-8760 On 8/13/18 12:03 PM, Ray wrote: Good Call Drake,  I've definitely had that problem before too. Neutral became di

Re: [RE-wrenches] Cell Cracks

2018-08-14 Thread Ray
I believe these were a roof mount.  I forwarded everyone's comments to the other wrench not on the list. Thanks, Ray Walters Remote Solar 303 505-8760 On 8/14/18 11:50 AM, b...@midnitesolar.com wrote: My cohort here that used to make PV modules thinks that something may have hit the

[RE-wrenches] Rapid Shutdown Off Grid

2018-08-14 Thread Ray
, (seemingly relatively common) the customer had to scale the roof to reset the PV array to "ON". I'm also looking at Outback, but it seems prohibitively expensive. Thanks, -- Ray Walters Remote Solar 303 505-8760 ___ List sponso

Re: [RE-wrenches] Cell Cracks

2018-08-14 Thread Ray
I haven't seen the actual modules, and I am not that familiar with microfractures or snail trails either. Ray Walters Remote Solar 303 505-8760 On 8/14/18 7:42 PM, glenn.b...@glbcc.com wrote: Ray, Do you feel that these are different from the microfractures or snail trails that

[RE-wrenches] Fwd: Re: Re: Cell Cracks

2018-08-15 Thread Ray
I'm forwarding this for the Wrench that experienced the microcracks.  Very interesting. I appreciate everyone's comments so far. Ray Walters Forwarded Message Subject:Re: Re: [RE-wrenches] Cell Cracks Date: Wed, 15 Aug 2018 07:28:59 -0600 From: Stephen

Re: [RE-wrenches] SOC, FNDC, and LFP batteries

2018-08-18 Thread Ray
m.  A seasoned off grid customer is always smarter than any auto start system.  That being said, the advent of batteries with their own BMS systems that can communicate with the rest of the system may make auto start a more viable and less costly option in the future Ray Walters Remote Solar 303 505

Re: [RE-wrenches] Non breakable RV modules

2018-08-21 Thread Ray
They look good, but the price/ watt is going back to the 1990s.:-( What's your recommended attachment method for these? We get quite a few RVers calling, but I really am not into punching holes into fiberglass roofs with unknown structure beneath. Ray Walters Remote Solar 303 505

Re: [RE-wrenches] DC-DC converter for SQFlex

2018-08-21 Thread Ray
, and have an array transfer switch from CC to pump. Ray Walters Remote Solar 303 505-8760 On 8/21/18 12:24 PM, MDElectricSolar wrote: Is there an inverter, you could power it with 120 or 240V AC? On Tue, Aug 21, 2018 at 11:17 AM Gary Higbee <mailto:g...@windstreamsolar.com>> wrote:

[RE-wrenches] Rapid Shutdown Again?

2018-08-22 Thread Ray
and differentiated from DC to DC converters like Solar Edge's module level DC equipment. I just want to go back to doing solar designs and installations, and quit acting like an attorney parsing every word of this confusing code language. -- Ray Walters Remote Solar 303 505-8760 __

Re: [RE-wrenches] Forced air Furnace

2018-08-24 Thread Ray
ither.  This is another reason AC coupled is not a great idea, or at least you need to always have some DC coupled PV as well, but I digress.. Ray Walters Remote Solar 303 505-8760 On 8/23/18 5:43 PM, Dana wrote: Drake, All the conventional units I have amp clamped over the years are pu

Re: [RE-wrenches] Rapid Shutdown Again?

2018-08-27 Thread Ray
e same section.  The emergence of article 706 is a step in the right direction. Ray Walters Remote Solar 303 505-8760 On 8/23/18 5:31 PM, cwar...@entech-engineering.com wrote: I think Rapid Shutdown should be scrapped professionally and personally.  It was ill conceived and ill written.  Any

Re: [RE-wrenches] Rapid Shutdown Again?

2018-08-29 Thread Ray
The link to review the first draft of the 2020 code is not working.  Do you have just the changes for 690?  I'd really like to submit some comments. Thanks, Ray Walters Remote Solar 303 505-8760 On 8/28/18 7:59 AM, Rebekah Hren wrote: Hi all, What you need to do now - to get your v

Re: [RE-wrenches] Phone/ sun position apps

2018-09-03 Thread Ray
er voltage arrays courtesy of MPPT controllers help in that regard, too. Ray Walters Remote Solar 303 505-8760 On 9/3/18 12:26 PM, Ken Schaal wrote: I started siting SHW systems in 1976. Studied sun angle chart persistently, until i had a good sense of how the sun moves for our area in central Vir

Re: [RE-wrenches] mod waveform LED dimmer

2018-09-05 Thread Ray
know what you find out.  I'd probably just grab a couple from the local supply and play with them.  I do quite a bit of Mad scientist work here. As the ancients taught us: /"Better to let the smoke out in private, than be embarrassed a thousand fold in the field"./ Ray Walters

Re: [RE-wrenches] Trackers

2018-09-06 Thread Ray
eir Freon. Besides water pumping, another appropriate use of tracking is on large GT systems, that benefit from TOU rates.  The late afternoon tracking can help utilities meet the summertime peak air conditioning loads. Ray Walters Remote Solar 303 505-8760 On 9/5/18 9:37 PM, Sindelar Solar wrote:

Re: [RE-wrenches] Trackers

2018-09-06 Thread Ray
hown me a roof array like that 20 years ago, I would have been poo pooing it for days.(That's not even close to south!!...)  Our racking and tracking choices have changed significantly now that PV is under $1/ watt. Ray Walters Remote Solar 303 505-8760 On 9/6/18 9:06 PM, Allan Sindelar

Re: [RE-wrenches] Trackers

2018-09-07 Thread Ray
am, very exciting as well, but just not that practical. After replacing the third drive motor in 5 years, I started manually setting them to be fixed arrays. They used to be fairly sensitive to lightning, I'm sure they're better now. Ray Walters Remote Solar 303 505-8760 On 9/7/18 5:56

Re: [RE-wrenches] Pika

2018-09-07 Thread Ray
atter, but Off grid can be, when they are snowed in with no fridge, no water, no heat, and no communications.  Reliability is goal #1, Simplicity is #2. Good Luck, Ray Walters Remote Solar 303 505-8760 On 9/7/18 11:03 AM, Kristopher Schmid wrote: Wrenches, I am trying to design a Pika off-g

Re: [RE-wrenches] Forced air Furnace

2018-09-08 Thread Ray
I started recommending people use the new ECM drive circ pumps. They use half the power and are a direct replacement.  Have your plumber check out the Taco e series, or the Grundfos Alpha series of circ pumps. Ray Walters Remote Solar 303 505-8760 On 9/7/18 8:45 PM, David Palumbo wrote: El

Re: [RE-wrenches] Removing graffiti from modules

2018-09-09 Thread Ray
on pans.  What losers, at least they didn't throw a rock through them.  Do you have any pictures? Ray Walters Remote Solar 303 505-8760 On 9/9/18 10:40 AM, August Goers wrote: If your modules don't have anti reflective coating then you can scrape them with a sharp razor blade scrape

Re: [RE-wrenches] Removing graffiti from modules

2018-09-09 Thread Ray
How aggravating,  they really worked hard to get up there too. Have you tried a little test spot with various methods?  WHo knows it might come off with soap and water and some scrubbing. Ray Walters Remote Solar 303 505-8760 On 9/9/18 2:27 PM, Benn Kilburn wrote: Bill, It’s white, does that

Re: [RE-wrenches] Low Voc for effective string?

2018-09-12 Thread Ray
A 2nd option: A pair of 72 cell modules should be enough. Ray Walters Remote Solar 303 505-8760 On 9/12/18 9:21 AM, Mac Lewis wrote: Hi Bill, I agree with Allen. We get similar peak temps here and two 60 cell modules doesn't charge a 48V battery bank adequately. This effect would b

Re: [RE-wrenches] Trojan L16RE-2V set-points

2018-09-12 Thread Ray
Unfortunately I'm seeing premature failures of the 2 v models even more.  You have paralleled cells in each battery, and it can be difficult to even identify the failures.  I found the infared camera to be invaluable, as you can see the shorted cell clearly in a thermal image. Ray Wa

Re: [RE-wrenches] 72 volt charge controller

2018-09-12 Thread Ray
es of their circuits that sold for significantly less.  Another option is Midnite Classics can be set to 72 v mode (I believe). Ray Walters Remote Solar 303 505-8760 On 9/12/18 3:18 PM, Kristopher Schmid wrote: Hi all, I am servicing a system that has a 72 volt charge controller circuit board ma

Re: [RE-wrenches] Any thoughts on this approach to adding battery backup to an existing grid tie system will be appreciated.

2018-09-12 Thread Ray
y customers and installers, because its never actually been used for more than a few hours, and the batteries are properly charged from the grid 99.8% of the time. Ray Walters Remote Solar 303 505-8760 On 9/12/18 6:11 PM, Ken Schaal wrote: https://www.youtube.com/watc

Re: [RE-wrenches] Reliable 48 to 24 V DC to DC reducer

2018-09-15 Thread Ray
SCI was that Canadian company.  Samlex does make a 48 v to 24 v converter modelIDC-100C-24. However, I would consider skipping the El cid pumps and going to the new TACO or Grundfos ECM drive circulators. Ray Walters Remote Solar 303 505-8760 On 9/15/18 8:58 AM, Drake wrote: Since Solar

Re: [RE-wrenches] Reliable 48 to 24 V DC to DC reducer

2018-09-17 Thread Ray
found that when involving the other trades (plumbers, house electricians, well service, etc) that the closer it is to being how they normally do it, the better.  Using these ECM drive pumps for instance, is just a matter of specing the pump.  It plumbs and wires in just like a regular model.

Re: [RE-wrenches] Engine high temp error shutdown on 6 kw EcoGen.

2018-09-19 Thread Ray
I've seen that happen when the engine was low on coolant or oil. The sensors shut it down. Ray Walters Remote Solar 303 505-8760 On 9/19/18 9:24 PM, John Blittersdorf wrote: First time I have seen this error.  engine starts fine, at the point where the frequency stabilizes and it con

Re: [RE-wrenches] Code signage for battery back-up?

2018-09-21 Thread Ray
ea to have a warning for any house with a  backup system: generator, batteries, etc.  However in practice on off grid homes, its usually way too late to worry about cutting power once the local VFD shows up.  They just contain the fire, but they're not going in. Ray Walters Remote Solar 303

Re: [RE-wrenches] Neutral sizing

2018-09-21 Thread Ray
220.61, 310.15(B)(7)(4), 215.2(2), 230.42(C) Can't say exactly how to apply all that to your case, but that should be a start. Ray Walters Remote Solar 303 505-8760 On 9/21/18 7:47 PM, Jay wrote: Hi all, I’m wondering if there is code reference to size of neutral vs power condu

Re: [RE-wrenches] Raised up ground mounts

2018-09-24 Thread Ray
The problem I had with Snap N rack pipe systems is they really can't take any uplift; which is not a good thing in Haiti during a hurricane.  Those little pinch screws just are not enough. I would look at other systems.  The one you built in Mynamar looks pretty good. Ray Walters Remote

Re: [RE-wrenches] Broken bolt

2018-10-02 Thread Ray
s from Del City and Quick Cable, and use Cobra X Flex or the dual listed locomotive cable.  None of this may be your problem however. Ray Walters Remote Solar 303 505-8760 On 10/2/18 2:13 AM, Ron Young wrote: Anyone seen this before, the bolt on a shunt inside a Magnum inverter snapped right off,

[RE-wrenches] Trace Replacement?

2018-10-07 Thread Ray
ipment costs. Sure be handy, if someone made an SW replacement kit, there are still a bunch of them out there. As always, thanks for all your comments and ideas, -- Ray Walters Remote Solar 303 505-8760 ___ List sponsored by Redwood Alliance List

Re: [RE-wrenches] Trace Replacement?

2018-10-08 Thread Ray
Yea, I almost always replace the on board controller on the Anandas.  On some I might keep a small original array on it, but I always have large controller with 3 stage PWM going. Ray Walters Remote Solar 303 505-8760 On 10/8/18 8:22 AM, Bradley Bassett wrote: I have one of the first batch of

Re: [RE-wrenches] Trace Replacement?

2018-10-08 Thread Ray
hanks everyone for the replies.  I'll keep you all posted on what we decide to do. Ray Walters Remote Solar 303 505-8760 On 10/8/18 8:50 AM, Michael Morningstar wrote: Replacing old SW’s has accounted for about half of my work load for the last two or three years. When my clients have limited m

Re: [RE-wrenches] Surge arrestors on strings

2018-10-08 Thread Ray
are not in lightning country, or the install is in a low spot with less likelihood of taking a hit, you might be able to skimp.  But for some of these off grid ridge top installs, I consider it a must. Some times I don't install one on the gen circuit, if its really close. Ray Walters Remote So

[RE-wrenches] Trickle Charging?

2018-10-08 Thread Ray
d meet that.  My current plan is a pair of 30 watt modules wired in series for the 24 v battery.  Is that too small? Or should I not even worry, because enough sun will creep through the snow to the main array? Thanks, -- Ray Walters Remote Solar 303 505-8760 __

Re: [RE-wrenches] Trickle Charging?

2018-10-09 Thread Ray
.  We had snow sitting this year there into May. Thanks, Ray Walters Remote Solar 303 505-8760 On 10/9/18 8:57 AM, Drake wrote: We have an AC coupled  backup system at our house in S.E. Ohio. In the winter we have many cloudy days. We are using two 40 W Sunwise modules in series with a Mornin

Re: [RE-wrenches] Mate 3 shutdown

2018-10-10 Thread Ray
Possible it could be the connectors.  Maybe try switching the cables, and/ or clean the ports with contact cleaner.  Also check in the ports that all the little springy pin things ( that's official terminology). are all up at the same angle.  I've seen those get bent sometimes. R

[RE-wrenches] Factory Over bent Wiring

2018-10-15 Thread Ray
the strain on the copper inside. Midnite is very proactive and has improved, I ask that Magnum do the same and soon. Thanks, -- Ray Walters Remote Solar 303 505-8760 ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wr

Re: [RE-wrenches] Factory Over bent Wiring

2018-10-17 Thread Ray
been very proactive with their wire bending techniques.  I posted a picture of their work as an example of 'how to do it'.  I'm now calling on other manufacturers to do the same. Thanks, Ray Walters Remote Solar 303 505-8760 On 10/16/18 11:21 AM, b...@midnitesolar.com wrote: R

Re: [RE-wrenches] Lithium ion for 12 V system

2018-10-27 Thread Ray
https://simpliphipower.com/product/phi-1-3-battery/ http://www.lifebluebattery.com/rv-boat-lithium-ion-batteries/ Simpliphi has been around longer than most, and is posting some of the longest cycle life.  LifeBlue has a blue tooth SOC monitor built in. Ray Walters Remote Solar 303 505-8760

Re: [RE-wrenches] Lithium ion for 12 V system

2018-10-27 Thread Ray
North West Energy Storage has the Simpliphi. Ray Walters Remote Solar 303 505-8760 On 10/27/18 7:10 PM, Darryl Thayer wrote: I have done a Simplifhy  system,  it is a Li-FePO4 Alt- E had them at one time. On Sat, Oct 27, 2018 at 10:20 AM <mailto:drake.chamber...@redwoodalliance.org>&

Re: [RE-wrenches] Conduit Bending

2018-11-02 Thread Ray
Clad 6-3 for my PV runs, and it seems better as well. I look forward to hearing what other more accomplished conduit smiths have to offer, though. Ray Walters Remote Solar 303 505-8760 On 11/2/18 12:18 PM, William Miller wrote: Colleagues: I am always trying to improve my conduit bending

Re: [RE-wrenches] Trace SW4024 not selling.

2018-11-11 Thread Ray
I'm sure you did this, but did you set menu 9 (Inverter Setup) - Grid Usage to "SELL"  ?  Its a whole separate menu heading than "Battery Selling".  That was always a bit of a pain to have to set it in 2 different menu headings. Ray Walters Remote Solar 303 505-8760

Re: [RE-wrenches] Charging two battery banks

2018-11-12 Thread Ray
that would be manual or automatic as well.  The closest I've seen folks do that is using a Marine type battery selector.  It works, but no inspector is going to ever let that fly.  LEt us know what you come up with.  I've had a few customers want that over the years. Ray Walters Remot

Re: [RE-wrenches] Batt Cap AGM

2018-11-21 Thread Ray
those oh so predictable calls that the power is off again. Ray Walters Remote Solar 303 505-8760 On 11/21/18 1:06 AM, Dan Fink wrote: Hello All; I would question the client about the origin of this battery bank. New, used, how long in storage and in service, etc. If he bought these new, that&#

Re: [RE-wrenches] Ni-Fe update?

2018-11-21 Thread Ray
r industry.  It does have its place, and I understand the train industry uses it because A) they have cheap on grid charging available, so efficiency doesn't matter, and B) they have telecomm type loads with very little surge. Ray Walters Remote Solar 303 505-8760 On 11/21/18 10:55 A

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