Re: [RE-wrenches] Working on metal roofs.

2011-05-09 Thread matt
are by far the best option I have found for shingle roofs. Matt Matthew Partymiller Solar Energy Solutions LLC (859) 312-7456 m...@solar-energy-solutions.com > Ditto Mark's and Bob's reply - Cougar Paws are the only thing I'll wear > on a pitched asphalt roof. They

Re: [RE-wrenches] Warranty Claim Based On Enphase Monitoring Data

2011-06-09 Thread matt
string inverter. I would be delighted to hear more anecdotes confirming your observations. Regards, Matt Matthew Partymiller Solar Energy Solutions LLC (859) 312-7456 m...@solar-energy-solutions.com > Folks, > > Has anyone used Enphase monitoring data to get warranty replaceme

Re: [RE-wrenches] Warranty Claim Based On Enphase Monitoring Data

2011-06-10 Thread matt
r. I see similar variations on almost every string inverter installed. I don't think this detracts from potential Enphase value, I just don't see that this is an area where the Enphase product stands out. Matt > Matt, > > The Enphase and revenue grade meter are in disagreemen

Re: [RE-wrenches] Power Factor

2009-07-30 Thread Matt
verter issue? I have to admit to being somewhat baffled by this one because it ran the pump once, but not after. Matt T boB Gudgel wrote: > boB Gudgel wrote: > > >>So, because of the different ways of specifying PF, it is always best > to think of Power Factor as being t

Re: [RE-wrenches] Power Factor

2009-07-30 Thread Matt
Unh - hunh, but it will run on the generator. If it didn't, I would go for the bad starter or motor, but it "seems" like the PF could be an issue?? Matt T boB Gudgel wrote: > Matt wrote: > > Possibly a PF question, or maybe one for Magnum - boB, > > > >

Re: [RE-wrenches] Power Factor

2009-07-30 Thread Matt
Unh - hunh, but it will run on the generator. If it didn't, I would go for the bad starter or motor, but it "seems" like the PF could be an issue?? Matt T boB Gudgel wrote: > Matt wrote: > > Possibly a PF question, or maybe one for Magnum - boB, > > > >

Re: [RE-wrenches] Power Factor

2009-07-30 Thread Matt
be better as a paper weight. The whole problem is really a hard thing to ferret out with face flies buzzing around your ears and eyes. :-( Matt jay peltz wrote: > Hi Matt, > > I would try a few things, but its very curious to me that the inverter > won't even get a t

Re: [RE-wrenches] Starting 3/4 Sub Pump (was Power Factor)

2009-07-30 Thread Matt
Allan, Yeah. If I could talk him into a better pump (it's the money!) the whole issue would go away. Sort of. Like a lot of folks, they save their dough and pay for improvements piecemeal, and the pump is the last big hit (if they only knew!) being saved for. Matt Allan Sindelar

Re: [RE-wrenches] Starting 3/4 Sub Pump (was Power Factor)

2009-07-30 Thread Matt
Geeze, Are the PF meters available separately without having to replace a perfectly fine 337? Matt boB Gudgel wrote: > Allan Sindelar wrote: > > Matt and boB, > > This is only somewhat relevant, but may help: > > A few days ago, on initial bootup of a new system with

Re: [RE-wrenches] wiring the Soladeck

2009-11-24 Thread matt
The Soladeck flashing definitely wants a suitable strain relief. The manufacturer actually included some when I last ordered this product. Someone was cutting corners. Regards, Matt Matthew Partymiller Solar Energy Solutions LLC (859) 312-7456 m...@solar-energy-solutions.com > Wrenc

Re: [RE-wrenches] copper weatherhead?

2010-02-01 Thread matt
years later I have not heard of any problems. Regards, Matt Matthew Partymiller Solar Energy Solutions LLC (859) 312-7456 m...@solar-energy-solutions.com > Wrenches, > > We have a project coming up that includes penetrating a copper roof with > our > PV conductors. What are

Re: [RE-wrenches] Fed. 30% grant to businesses

2010-03-02 Thread matt
We have had clients receive the grant without the PE stamp (only on installs under 10 kW so far). Part of the paperwork was an affidavit that the system was standard design and met all codes in the jurisdiction. We included a wiring diagram. Matt Matthew Partymiller Solar Energy Solutions LLC

Re: [RE-wrenches] prof liabilty insurance

2010-04-21 Thread matt
We have utilized James River through an insurance broker since 2008. www.jamesriverins.com They offered us solar specific liability for thermal and PV design. I hope the process of securing professional liability has gotten easier. Matt Matthew Partymiller Solar Energy Solutions LLC (859

Re: [RE-wrenches] Roof anchors and proper rigging

2010-04-23 Thread matt
with Sunkist in advance and neither method was particularly effective (Korkers with the metal roof pads aren't a bad tool though). Matt Matthew Partymiller Solar Energy Solutions LLC (859) 312-7456 m...@solar-energy-solutions.com > > Rebecca, All Wrenches, > I think it would be grea

Re: [RE-wrenches] Dual Radian install

2013-08-05 Thread matt
if you are using cabinets and want a functional cover. 2) Be prepared to do a firmware update (they have a Youtube video about this process). Good luck, Matt Matthew Partymiller Solar Energy Solutions LLC (859) 312-7456 m...@solar-energy-solutions.com > Friends: > > >

[RE-wrenches] Outback Chargers

2014-02-10 Thread matt
apable of helping me identify the issue. Any advice is welcome. Thanks, Matt Matthew Partymiller Solar Energy Solutions LLC (859) 312-7456 m...@solar-energy-solutions.com > "Has anybody scoped ac line to VFX's under full charge load? I'm curious > about harmonics possibly

[RE-wrenches] Solar Hot Water - Anti-Scald Valve Failing Hot

2012-07-09 Thread matt
install every day. I can't say I have had a ton of anti-scald failures but, of the handful we have had, I think all failed cold. Any thoughts are welcome. Regards, Matt Matthew Partymiller Solar Energy Solutions LLC (859) 312-7456 m...@solar-energy-solution

Re: [RE-wrenches] Enphase failures

2012-07-15 Thread matt
We installed 11 190s on our shop some two years ago. Six of 11 have been replaced since that time. Another one had to be reset by Enphase. Admittedly early generation product but based on the record I have not been offering to customers. Matt Matthew Partymiller Solar Energy Solutions LLC

Re: [RE-wrenches] 12V loads

2012-08-09 Thread matt
Square D QO is listed to 24V DC according to some of their literature. Matt Matthew Partymiller Solar Energy Solutions LLC (859) 312-7456 m...@solar-energy-solutions.com > Hello, > > I've been looking at a lot of hunting shacks, fish houses and other 12V > loads setups and

Re: [RE-wrenches] Thermal storage water stabilizer

2012-08-13 Thread matt
with tank corrosion due to incorrect tank material specification). Matt > Nathan, > > We've done a couple of systems with large unpressurized tanks (STSS). > They work well but there are a couple of things you need to pay attention > to. We use tap water to fill the tank whic

Re: [RE-wrenches] Enphase / Inverter failures

2013-05-10 Thread matt
= 60% failure - M215 - 1/146 = 1% failure Matt Matthew Partymiller Solar Energy Solutions LLC (859) 312-7456 m...@solar-energy-solutions.com > I would be interested in hearing about other wrenches' observed Enphase > failure rates. > > Since 2010 we've installed 1347 to

Re: [RE-wrenches] Wireless control of off-grid pumps

2008-09-03 Thread Matt
rammable pump speed control, solar input and low water shutoff recharge times. All very nice! Matt Windy Dankoff <[EMAIL PROTECTED]> wrote: > Hey Allan, > > Remember me? :-) > > Roy's suggestion of using a float valve at the storage tank to actuate > a pre

Re: [RE-wrenches] Followup to Surrette Battery Question

2008-09-03 Thread Matt
This is a majorly bad idea! Tap water usually contains dissolved minerals that will screw up battery plates, reduce or increase conductivity and generally void battery warrantees. Am I correct about this Jamie? Matt "R. Walters" <[EMAIL PROTECTED]> wrote: > Some

Re: [RE-wrenches] Remote generator start

2008-09-03 Thread Matt
. They are available in Diesel and LP versions. Matt T Jeff Yago <[EMAIL PROTECTED]> wrote: > ___ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & settings: > ht

Re: [RE-wrenches] More on AC coupling - SI and SB

2008-12-02 Thread Matt
push our point of view, :-) Matt T Tump <[EMAIL PROTECTED]> wrote: > Hey Matt, put their address here, so we ALL can forward this message to the > right folks @ SMA! > > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Beh

Re: [RE-wrenches] Back feeding battery inverter withgrid-tie inverter

2009-01-19 Thread Matt
Yes, it is expensive. On the other hand, it does work! SMA seems remarkably free of glitches and the need to download the latest version of the software - if you know what I mean. ;-) Matt t...@hughes.net wrote: > Unfortunately this is rather expensive way to go. Need e SMA SI for 240

Re: [RE-wrenches] UL Listing for meter

2010-07-26 Thread Matt Lafferty
Wrenches, The issue of UL Listed meters is becoming a frequent problem for RE integrators. I ditto what Hans said about not finding a listing. What I've seen so far is that Socket based meters are generally NOT listed by the mfrs since the primary users are utilities and, therefore, listing is no

Re: [RE-wrenches] Flashings- to nail or not to nail

2010-07-29 Thread Matt Lafferty
Hey Nick, Can you shed some light on your crew's reason(s) for wanting to do this? Waterproofing? Aesthetics? Have you or they had problems with leaks in the past that this practice might prevent? Assuming you are talking about nailing down the exposed lower part of a flashing base on a comp ro

Re: [RE-wrenches] Green-Fasten

2010-07-29 Thread Matt Lafferty
This is encouraging information. It's nice to see/hear/read that some BOS product has a brilliant design and holding-it-in-your-hand-tells-you-it's-superior comes before the dreaded race to the bottom on price. I will definitely take a look at this product just 'cause Jeff O s

Re: [RE-wrenches] USE-2 in white?

2010-08-03 Thread Matt Lafferty
uctor of preference for years, AC & DC. Pray for Sun! Matt Lafferty -Original Message- From: Dave Palumbo Sent: Monday, August 02, 2010 12:15 PM To: 'RE-wrenches' Subject: Re: [RE-wrenches] USE-2 in white? My application for #8 and #6 is in conduit from the PV array

Re: [RE-wrenches] PV GEC to the same point as the utility service GEC?

2010-08-19 Thread Matt Lafferty
you can and SHOULD source your PV GEC where the xfrmer neutral is bonded. 3. You are right. The various provisions of 690.47(C) allow/require this. In particular, (C)5 & 6. The underlying principle that counts here is, "Get your GEC where your AC source gets its system ground.&qu

Re: [RE-wrenches] PV GEC to the same point as the utilityservice GEC?

2010-08-23 Thread Matt Lafferty
m that you need to bond to your 690.47(C) GEC system. If you are bonding all your equipment correctly, this should happen via the equipment grounding conductor(s) mentioned in the NOTE above. I hope this helps clarify it for you. Matt Lafferty gilliga...@gmail.com _ From: re-wre

Re: [RE-wrenches] minimum service

2010-08-27 Thread Matt Lafferty
o 60A. Matt Lafferty -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Dave Click Sent: Friday, August 27, 2010 5:10 AM To: RE-wrenches Subject: Re: [RE-wrenches] minimum service 230.79(C): 230.79 Rating of Se

Re: [RE-wrenches] roof noise after solar install.

2010-08-30 Thread Matt Lafferty
let. Unirac says you only need them every 45 feet. If your situation is under 30', I expect you have another problem. Installation manual here: http://www.unirac.com/pdf/ii908.pdf Pray for silent roofs, Matt Lafferty From: Darryl T Subject: [RE-wrenches] roof noise after solar install. New

Re: [RE-wrenches] phase issues with SB8000US

2010-08-31 Thread Matt Lafferty
me, it's not. (The cheap-ass practice of sharing neutrals for multiple 120V circuits is complete BS. In circuits with inductive loads that don't have good filtering, this creates harmonic distortion.) Good luck and let us know what you find out. Matt Lafferty -Original Message-

Re: [RE-wrenches] ground fault troubleshooting

2010-09-06 Thread Matt Lafferty
s question about jumping around a fault: Maybe, maybe not, depending on the nature of the fault (+/-, +/G, -/G) and the location of the jumper relative the fault and the power source. Even if jumping to ground eliminates the arcing when you are working with the terminal, you will still hav

Re: [RE-wrenches] DC Discos for Enphase

2010-09-14 Thread Matt Lafferty
in a modern PV system. Can't get much safer than that! Hope it didn't take too long to fall asleep... Matt Lafferty gilliga...@gmail.com _ From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of solar...@aol.com Sent:

Re: [RE-wrenches] PV and Roof Flammability

2010-09-23 Thread Matt Lafferty
Hi Joel, Trying to compare HVAC equipment to PV in a roof covering flammability discussion is about the same as the proverbial apples to oranges. They are profoundly different. I will even go out on a limb and say the the PV industry lobbyists are probably foaming at the mouth more than HVAC lobby

Re: [RE-wrenches] PV and Roof Flammability

2010-09-23 Thread Matt Lafferty
Wrenches, I'm coming from a perspective of comparing "beneath array" areas to "not beneath array" areas of the same roof. Regarding flammability, I don't really care what the source of ignition is in this conversation. I prefer to think that the PV isn't the cause, frankly. Would rather think in t

[RE-wrenches] Hazardous DIYer Publications Recalled

2010-10-04 Thread Matt Lafferty
he earlier recall information is here: http://www.cpsc.gov/cpscpub/prerel/prhtml10/10104.html Just passin' it along, Matt Lafferty ___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settin

Re: [RE-wrenches] UL and Grid-tied Battery Back Up Systems

2010-10-05 Thread Matt Lafferty
to. With all due respect to the AGM... He's whacked if he's trying to use this boogeyman as an obstruction to PV. Tell him to go home and count up all the unpermitted things around his own house. Tell him not to forget to count the ceiling fan he had put in the bedroom and the water heat

Re: [RE-wrenches] lifting shingles

2010-10-07 Thread Matt Lafferty
Hi Benn, 2:12 is a really low pitch for comp and "most likely" voided the shingle mfr warranty. Not to say that it doesn't happen, of course. The primary reasons that low-pitch applications like this aren't good for comp, are that wind is more likely to lift the shingle (possibly damaging it) and

[RE-wrenches] Inverter 1741 Listing Process

2010-10-08 Thread Matt Lafferty
Hola Wrenches, Does anybody know off the top of their head if the "5-minute-wait-to-interconnect" function is tested on 100% of inverters produced? (i.e. every single inverter is tested with AC & DC within the start parameters of the unit for at least 5 minutes) Thanks!

Re: [RE-wrenches] insolation v. actual output

2010-10-13 Thread Matt Lafferty
Marco, Are you looking for an instantaneous AC power output number based on equipment configuration and environmental conditions? Accurate to within a few percent one way or the other? To have a general idea if the system is performing properly or not? You need a lot more than just irradiance t

Re: [RE-wrenches] insolation v. actual output (Correction)

2010-10-14 Thread Matt Lafferty
CSI Field Verification method requires multiplying the CEC-AC Watt rating of the system by the percentage found in the table. (Not STC DC as originally posted). Correction made in body of message below. - Imperfect Janitor _ Marco, Are you looking for an instantaneous AC power output n

Re: [RE-wrenches] Target fire

2010-10-18 Thread Matt Lafferty
Andrew, The General/Prime Contractor on the job was SunPower vis a vis Powerlight. As per standard operating procedures there, the actual installation was subbed out. I don't recall which subs they used on this job, but there was more than one. Per their normal routine, one sub installs the racki

Re: [RE-wrenches] Target fire

2010-10-18 Thread Matt Lafferty
rter brain so we have some idea how many ground-faults there had been since day 1. The whole intent behind my comments is to PREVENT THIS KIND OF THING FROM HAPPENING IN THE FUTURE. That's all. _ From: Nick Soleil [mailto:nicksoleilso...@yahoo.com] Sent: Monday, October 18, 2010 2:

Re: [RE-wrenches] Inverter 1741 Listing Process

2010-10-18 Thread Matt Lafferty
e commissioning people. Thanks in advance for any light you can shed on the subject! Matt Lafferty _ From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Exeltech Sent: Monday, October 11, 2010 10:04 AM To: RE-wrenches S

Re: [RE-wrenches] Inverter 1741 Listing Process

2010-10-20 Thread Matt Lafferty
ty. Working with utilities in a manner that demonstrates professional, knowledgeable, and responsible behavior can only benefit our respective organizations. Happy commissioning! Matt Lafferty _ From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wre

Re: [RE-wrenches] VAWT recommendation

2010-10-21 Thread Matt Lafferty
or success, which is all they can ask for, in my opinion. I hope you are able to share the experiences with this group, good and bad, during and after the initial installation. Best of Luck! Matt Lafferty -Original Message- From: Kelly Keilwitz, Whidbey Sun & Wind Sent: Thursday, Oct

Re: [RE-wrenches] Ground Mount Screening

2010-10-21 Thread Matt Lafferty
doesn't affect module warranties. $0.02001 Matt Lafferty On Oct 21, 2010 2:58 PM, Bill Brooks <billbroo...@yahoo.com> wrote: Drake, I recommend using 4'x8' panels of lattice work that is either wood or PVC so that you don't have worry about grounding the material.

Re: [RE-wrenches] 2011 NEC Code book with Handbook on CD ROM

2010-10-25 Thread Matt Lafferty
ir inefficient, bureacratic, gray-beard organization directly. And I think that's important. Cheers, Matt Lafferty -Original Message- From: Drake Sent: Monday, October 25, 2010 9:41 AM To: RE-wrenches Subject: [RE-wrenches] 2011 NEC Code book with Handbook on CD ROM Hello Wrenches, I

Re: [RE-wrenches] backfeeding "six disconnect" panel

2010-10-28 Thread Matt Lafferty
Hi Dana, "Sounds like" you have a lower-bus rated at 100A being fed by a 60A breaker... Yes? If so, technically speaking but not necessarily the right thing to do, you have a SWEET SETUP! In 690.64 terms, you are legally allowed 120A to feed that bus. Which converts to a maximum 60A PV intercon

Re: [RE-wrenches] backfeeding "six disconnect" panel

2010-11-01 Thread Matt Lafferty
compliant in theory. The 60A is the main for the purposes of your installation. The other side of the main is the utility. Whether the upper section has an amperage rating or not is moot. You still have to make a determination of suitability with regard to breakers, age, condition, etc. Che

Re: [RE-wrenches] SB Power during countdown

2010-11-07 Thread Matt Lafferty
Drake, It's normal for some of the SB units to yank on the grid for a second during the countdown. Don't know about the 2100 specifically. This is part of a grid integrity check. There's more to grid integrity than just volts and hertz. Check your gen meter when this happens. Which way does it tur

[RE-wrenches] PREVENTING Another PV fire

2010-11-12 Thread Matt Lafferty
All, i don't know the cause behind the Meridian Winery situation, but Bill's comment offers a particularly good opportunity for a teaching or refresher moment... The "blown up combiner and melted-down modules" caused by reversed polarity is way more common than it should be. And it is 100 perce

[RE-wrenches] String Level Monitoring in Combiners

2010-11-15 Thread Matt Lafferty
Hola Wrenches, The topic of string level monitoring keeps coming up in my circles. Personally, i think it's dumb in most non-R&D applications. Dumb is actually a little weak for how i really feel about it, but that's the word i'll use today. For the purpose of keeping it straight, i'm talking abo

Re: [RE-wrenches] Megger for array testing

2010-11-17 Thread Matt Lafferty
Hi Drake, Disclaimer #1: i do not recommend megger-testing an array (or module or string) unless you have an approved procedure from the module manufacturer for the installed configuration. Disclaimer #2: i am not the foremost authority on the list for this topic... Mr. Brooks? (Note: Bill's pos

Re: [RE-wrenches] Code switch heights

2010-11-26 Thread Matt Lafferty
some very good solutions appear from this exercise over the years. Solutions that my brain didn't see from "straight on". Hope you find the right mix, Bob. Two Pines and a Hammock, matt lafferty _ From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun..

[RE-wrenches] Electrical Test Instrument Safety Recall

2010-12-16 Thread Matt Lafferty
Wrenches, If you are using Extech Instruments test gear, this may apply to you: http://www.cpsc.gov/cpscpub/prerel/prhtml11/11067.html Extech Instruments Recalls Digital Clamp and Multimeters due to Electrocution Hazard WASHINGTON, D.C. - The U.S. Consumer Product Safety Commission, in coopera

Re: [RE-wrenches] Low grid voltage fix

2010-12-20 Thread Matt Lafferty
quiry/complaints, of high or low voltage, by measuring & monitoring voltage at the service. If the voltage is found to be out of tolerance one way or the other, they either use different taps on the transformer or replace the transformer to bring it into range. Now you're in the

[RE-wrenches] Battery Backup for Older Enphase Systems

2017-11-09 Thread Matt Sherald
go with an array that uses M250s and this prompted me to write. Thanks in advance! -Matt -- Matt Sherald PIMBY Energy, LLC NABCEP Certified Solar PV Installer® 304-704-5943 www.getpimby.blogspot.com www.getpimby.com ___ List sponsored by Redwood Alli

Re: [RE-wrenches] Li+ Systems Puerto Rico

2018-02-19 Thread Matt Partymiller
en it has gotten below 15F (battery is on exterior as it is tiny home). Probably not applicable for your installs. Matt On Mon, February 19, 2018 2:14 pm, Ray wrote: > Greetings Wrenches; > > > We are designing several systems for Puerto Rico, and while these will > eventually cou

[RE-wrenches] SMA -40 Arc Faults

2018-05-08 Thread Matt Partymiller
for any advice, Matt Matthew Partymiller Solar Energy Solutions LLC (877) 312-7456 m...@solar-energy-solutions.com ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & sett

Re: [RE-wrenches] 5 battery strings

2018-07-25 Thread Matt Partymiller
etter. Removing a single cell is losing less stored capacity than removing an entire string. Matt On Wed, July 25, 2018 2:32 pm, t...@wagonmaker.com wrote: > So you're willing to risk total system shutdown if a single cell fails? > It just seems like a big risk even if the batteries are con

Re: [RE-wrenches] Fat Spaniel

2018-10-23 Thread Matt Partymiller
ABB took over their sites and all of ours are still accessed at www.auroravision.net. Matt On Mon, October 22, 2018 4:32 pm, Peter Parrish wrote: > I have a client with a Fat Spaniel box. They can't remember their user > name and password. I did a little digging and I came to the

Re: [RE-wrenches] module level control for offgrid

2019-02-16 Thread Matt Partymiller
had resolved the issue (while blaming Outback) but never did. We finally just removed the units. Matt On Sat, February 16, 2019 4:23 pm, Jerry Shafer wrote: > Wrenches > Regarding the RSD both here and coming soon to a town near you, I found > that the Tigo TS4-R-S is completely comp

[RE-wrenches] ARE 110 Turbine Controller Alternative

2019-02-27 Thread Matt Sherald
Greetings, I have a customer whose ARE 110 voltage clamp has stopped working. I'm looking for a work around. Has anyone been down this road before? If so, I would like to hear what you've learned and maybe save myself some mis-steps in the process. Many thanks! -- Matt Sherald PI

Re: [RE-wrenches] SolarEdge woes

2019-07-31 Thread Matt Partymiller
would pay an extra $10/inverter for better support when needed. Or a monthly club membership fee. Matt On 2019-07-31 15:08, Marco Mangelsdorf wrote: > Aloha, > > Does anyone know any special tricks to get through to a live person at > SolarEdge support? > > We've been

Re: [RE-wrenches] SMA -40 Arc Faults

2019-08-01 Thread Matt Partymiller
have a new AFCI protocol that may resolve the issue. We have largely moved on to Solaredge due to the severe AFCI problems and I have not yet installed a -41. Matt On 2019-08-01 14:27, Dana Brandt wrote: > Hi everyone, > > We're experiencing a large number of nuisance AFC

Re: [RE-wrenches] SMA phantom arc faults

2019-09-16 Thread Matt Partymiller
If you are using EnnexOS you can clear remotely. Select the device with the issue, then config, then parameter. Filter by 'AFCI'. Turn off. Wait a few minutes, turn back on. I wouldn't recommend doing this unless you're certain its a false arc-fault. Matt On 20

[RE-wrenches] Bergey XL.1 HummmBuzzz

2019-09-30 Thread Matt Sherald
s and the blades begin to accelerate. The noise disappears as it comes up to speed. This noise does not happen if the machine is allowed to run unloaded (with the breaker in the off position). Anyway, I'd sure appreciate any thoughts. Many thanks in advance! -- Matt Sherald PIMBY Energy,

[RE-wrenches] 600Vdc Transfer Switch Between Charge Controller and GT Inverter

2019-10-22 Thread Matt Sherald
re greatly appreciated. -- Matt Sherald PIMBY Energy, LLC NABCEP Certified Solar PV Installer® 304-704-5943 www.getpimby.blogspot.com www.getpimby.com ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listse

[RE-wrenches] Two MPPT Charge Controllers, One PV Circuit

2019-11-07 Thread Matt Sherald
sight? I can imagine how the MPPT function might be skewed, but the wire size of the feeders are adequate for the combined current of the full PV array and the units are producing power. -Matt I'd like to give the system owner advice with t -- Matt Sherald PIMBY Energy, LLC NABCEP Certifie

Re: [RE-wrenches] Snap-n-rack edge guard screen

2020-01-13 Thread Matt Partymiller
We routinely use more clips than ship with the product in order to keep it securely fastened. I think 40 ship with it and we typically use 50. Thanks, Matt -- Matthew Partymiller Solar Energy Solutions, LLC (877) 312-7456 m...@sesre.com On 2020-01-13 15:19, William Miller wrote

Re: [RE-wrenches] Semi flexible modules

2020-03-09 Thread Matt Partymiller
same issue with their crystalline flat installs that dried up in favor of 10 degree ballast. Matt Matt Partymiller General Manager Solar Energy Solutions, LLC 877-312-7456 m...@sesre.com On 2020-03-09 14:59, Starlight Solar Power Systems wrote: > Ray, > > Thinking of ligh

[RE-wrenches] Enphase IQ and Schneider XW AC Coupling Performance

2020-06-11 Thread Matt Sherald
ng an outage? Hoping to glean some real-world observations. Many thanks in advance!! -Matt -- Matt Sherald PIMBY Energy, LLC NABCEP Certified Solar PV Installer® 304-704-5943 www.getpimby.blogspot.com www.getpimby.com ___ List sponsored by Redwood All

Re: [RE-wrenches] MLPE Mapping

2020-07-08 Thread Matt Partymiller
our map as part of that process. If you go with Tigo F’s you don’t even need to map! You sacrifice panel level visibility but, as far as I can tell, MLPEs are far more likely to fail than a reputable panel. I’d really like to know why all MLPEs don’t go the clip-on route. Matt Matt

Re: [RE-wrenches] To Megger or not to Megger

2009-04-27 Thread Matt Lafferty
cut my teeth with analog gear, but really like my 1520. A lot! Rugged instrument that gives you an actual number to write on your commissioning sheet. In addition to Megohms, it also does VAC, Lo Ohms, Continuity, has a display backlight, Lock and Zero functions and my favorite Battery Check!

Re: [RE-wrenches] To Megger or not to Megger

2009-04-28 Thread Matt Lafferty
1503. That give you a solid megger that you can dedicate to that purpose for a reasonale muggering. If it were me, in Matt's shoes... Oh, what am I saying? I've already got mine and I just found out I paid too much for it! But I have Battery Check... Neener

Re: [RE-wrenches] To Megger or not to Megger

2009-04-28 Thread Matt Lafferty
ting, wire-management, test results and findings, if you can. I'm gonna hang onto my 1520... If anybody wants to see what one looks like with a 100% Battery Level, let me know... I'll hold it up in front of my webcam for ya! No Ground Faults! Matt Lafferty _ From: re-wrenche

Re: [RE-wrenches] plug in gridtied inverter

2009-05-06 Thread Matt Lafferty
I wonder if Target is selling these yet... I wonder if I could get the customer list of people who buy these things... I wonder how many of them got to the bottom of the page: NOTE: This unit is NOT UL listed so it can only be represented as an experimental device. It does shut down and disconne

Re: [RE-wrenches] plug in gridtied inverter

2009-05-06 Thread Matt Lafferty
Enphase Energy 707 763-4784 x7016 Matt Lafferty wrote: I wonder if Target is selling these yet... I wonder if I could get the customer list of people who buy these things... I wonder how many of them got to the bottom of the page: NOTE: This unit is NOT UL listed so it can only be represe

[RE-wrenches] Module Datasheets

2009-05-08 Thread Matt Lafferty
ompare it to what you're used to using. What's good about each? What could be better? How do we drive this message home to Mfrs? All comments welcome. On or off-list. -Matt Lafferty; Janitor ___ List sponsored by Home Power magazine Lis

Re: [RE-wrenches] Propane Generator

2009-06-10 Thread Matt Tritt
er engine themselves, if that tells you anything. MQ is also very good. Matt Jennifer Bryce wrote: Hi Ian I know your looking for a LP unit but if a diesel unit will work, we only use Kubota 1800 rpm units from Next- Gen. http://www.nextgenerationpower.com/ Outstanding unit with high qua

Re: [RE-wrenches] Design help for solar water pumping application

2009-06-14 Thread Matt Tritt
monitor pump performance remotely from a computer. Also, the "CASS" pumps sizing system is extremely accurate and useful. Please not that we sell many types of pumps and I am not suggesting buying these pumps but, for wrenches that do a lot of solar pump work, they do merit looking into.

Re: [RE-wrenches] Enphase Recall?

2009-06-19 Thread Matt Lafferty
subject line to something less misleading at this point... Two cents, Matt Lafferty--- Begin Message --- Mr. Welch et al, I am personally embarrassed by this thread. First, it is at its best rumor mongering. Don't get me wrong, a little mongering often is the first step in teasing ou

Re: [RE-wrenches] REC Solar melt-down

2009-06-30 Thread Matt Lafferty
result in more opportunities for scheisters. Never been a better time to take care of those who have taken care of you. Don't sell your loyalty and better judgement for a nickel a watt! Pray for Sun and Relible Glass! -Matt Lafferty ___ Lis

Re: [RE-wrenches] Trace non-volatile memory after market

2009-07-17 Thread Matt Tritt
Randy, The SW series isn't compatible with the XW series, but DC Power has four new SW 4024s in stock. Matt T Randy Brooks wrote: Wrenches, A while back I recall hearing about an after market add on to provide non-volatile memory for Trace inverter settings. I haven't bee

Re: [RE-wrenches] Trace non-volatile memory after market

2009-07-17 Thread Matt Tritt
Any time, Randy. The only thing I can't find in the database is if there are any stacking cables still available. Hold on, these are gone! I'm really sorry to get your hopes up, but I was using the old stock info. Now I feel guilty enough to help you look around for one. Mat

Re: [RE-wrenches] Trace non-volatile memory after market

2009-07-17 Thread Matt Tritt
Randy, There are 5 4048's, no 4024's. :-( You could always upgrade? Matt T Randy Brooks wrote: Matt, Thanks! Randy Brooks Brooks Solar, Inc. */Solar Power for People/* 140 Columbia View Chelan, WA 98816 509-682-9646 ra...@brookssolar.com <mailto:ra...@br

[RE-wrenches] Photos of modules struck by lightning

2009-07-22 Thread Matt Lafferty
there isn't any intent to publish the photos. Thanks in advance, Matt Lafferty gilligan06 at gmail ___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/

Re: [RE-wrenches] Fwd:_Grounding_on_a_glacier??

2009-07-23 Thread Matt Tritt
Don't try the last solution during an electrical storm. Matt T d...@foxfire-energy.com wrote: Boy -- seems I recall a similar thread a few years ago -- might have been grounding on sand? anyway, as I recall, the issue had to do with bonding, and keeping things at the same pote

Re: [RE-wrenches] Fwd: Grounding on a glacier??

2009-07-23 Thread Matt Tritt
occur when there is a + grounded piece of equipment in the mix, since - well, it's obvious. Matt T boB Gudgel wrote: Larry Crutcher, Starlight Solar wrote: Hi Jay, An interesting quandary indeed. This is another good example of an application that I was trying to grill Sunpower a

Re: [RE-wrenches] tax credits and repairs

2009-07-24 Thread Matt Tritt
gy is still excellent. Matt T roger dixon wrote: If you are speaking of wind turbines, yes they certainly qualify as a new installation.  I do not believe any repairs to existing wind turbines are covered.  If you are referring to wind mills, i.e. water pumpers, I don’t believe they qu

Re: [RE-wrenches] Fwd: Grounding on a glacier??

2009-07-24 Thread Matt Tritt
ially dangerous situation where none would otherwise exist. I'm not talking about fire risk, since I doubt that that is the reason. Matt T Darryl Thayer wrote: The reason for grounding to limit the hazards associated with fault conditions. If a utility source is unintensionally connected

Re: [RE-wrenches] Fwd: Grounding on a glacier??

2009-07-25 Thread Matt Tritt
Yay, Ray, That's what I like to hear! Matt T R. Walters wrote: I've worked on supposedly ungrounded high voltage systems on Electric vehicles. Got zapped when I touched the frame and a battery terminal. There definitely can be mA of leakage to ground, even if its not supposed t

Re: [RE-wrenches] Obtuse Building Departments - Was "Quick Release" PV System

2009-07-29 Thread Matt Lafferty
. I've learned a lot going through this process over the years. Perhaps the most valuable lessons have been in the area of "understanding where they are coming from". On occassion they've even been right and I've made changes to what I do accordingly. In the case of #2, s

Re: [RE-wrenches] down-sizing main breaker

2009-07-31 Thread Matt Lafferty
pacity in the bussing is permitted and provides additional safety. Best of luck! Matt Lafferty _ From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Mendocino Solar Service Sent: Friday, July 31, 2009 9:57 AM To: RE-wrenches Sub

Re: [RE-wrenches] Power Factor

2009-08-01 Thread Matt Tritt
I took boB's advice and talked to Magnum about the problem. Their take on it? "Hmmm, beats me!" I might be paraphrasing, but that's the drift. All in all, I'd say that the suggestions from the group are at least as good as the one's from the manufacturer. Mat

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