[RE-wrenches] Bypassing a broken PV module

2016-07-22 Thread Jason Szumlanski
not pose a safety risk. While he may be technically right, for now I have reused to do the work, but I told him I would think about it. Anyone been through this scenario? ​Jason Szumlanski ​ ___ List sponsored by Redwood Alliance List Address: RE

Re: [RE-wrenches] array overloading of an inverter

2016-07-13 Thread Jason Szumlanski
to see what happens. If I get around to that, I'll report back! Jason Szumlanski Florida Solar Design Group On Wed, Jul 13, 2016 at 3:02 PM, Kirk Herander <vtso...@icloud.com> wrote: > Hello folks, > > I am composing a response to a question a potential customer asked me. It >

Re: [RE-wrenches] Enphase Support Non-Responsive

2016-07-09 Thread Jason Szumlanski
ime. > > > > Thanks for considering these options. > > > > William Miller > > > > > > [image: Gradient Cap_mini] > Lic 773985 > millersolar.com <http://www.millersolar.com/> > 805-438-5600 > > > > *From:* RE-wrenches [mailto:re-wrench

Re: [RE-wrenches] Enphase Support Non-Responsive

2016-07-06 Thread Jason Szumlanski
ore than we could > ever use in just about 8 minutes. And it’s wireless!” > > - William McDonough > > > > -- > *From:* RE-wrenches <re-wrenches-boun...@lists.re-wrenches.org> on behalf > of Jason Szumlanski <ja...@floridasolardesigngroup.

[RE-wrenches] Enphase Support Non-Responsive

2016-07-05 Thread Jason Szumlanski
module manufacturer warranty claim right now. I'd love to see Home Power or someone do a story on manufacturer responsiveness to dealers. Things are generally going down hill it seems. Jason Szumlanski Florida Solar Design Group ___ List sponsored by Redwood

Re: [RE-wrenches] Bracket for Fronius IG

2016-06-30 Thread Jason Szumlanski
g bracket? I can't remember if the mounting brackets > are the same for all sizes of IGs > > > On 6/30/2016 7:22 AM, Jason Szumlanski wrote: > > Anyone know where I can get a replacement bracket set for an IG5000? > > > ​Jason Szu

[RE-wrenches] Bracket for Fronius IG

2016-06-30 Thread Jason Szumlanski
Anyone know where I can get a replacement bracket set for an IG5000? ​Jason Szumlanski Florida Solar Design Group ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings:

Re: [RE-wrenches] K1-Open Fault on SMA SB

2016-06-29 Thread Jason Szumlanski
n the line side and after X # > of times the relay just locks open. Enjoy. > > peter giroux > American Solar > > - Original Message - > *From:* Jason Szumlanski <ja...@floridasolardesigngroup.com> > *To:* RE-wrenches <re-wrenches@lists.re-wrenches.org

Re: [RE-wrenches] K1-Open Fault on SMA SB

2016-06-28 Thread Jason Szumlanski
It's out of warranty, and I need to make the trip anyway because there are no SB3300U replacements, so I have to see what's involved to go with a 3000 TL. ​I warned the owner it's probably not going to be a simple fix...​ On Tue, Jun 28, 2016 at 7:00 PM, Corey Shalanski

[RE-wrenches] K1-Open Fault on SMA SB

2016-06-28 Thread Jason Szumlanski
I'm heading out on my first K1-Open fault code on a SMA inverter. Any tips for diagnostic steps and likely outcome? I'm dreading the call to SMA based on recent feedback about their customer support. ​Jason Szumlanski ___ List sponsored by Redwood

Re: [RE-wrenches] 20 kW 208/120 inverters

2016-06-13 Thread Jason Szumlanski
14k is 208/120V but the 20TL is 277/480 > > Carl Adams > SunRock Solar > NABCEP Certified PV Installer > > On Mon, Jun 13, 2016 at 2:15 PM, Jason Szumlanski < > ja...@floridasolardesigngroup.com> wrote: > >> Solectria PVI 20TL would meet your criteria. I can't vouch f

Re: [RE-wrenches] 20 kW 208/120 inverters

2016-06-13 Thread Jason Szumlanski
Solectria PVI 20TL would meet your criteria. I can't vouch for it personally, but I've seen quite a few 14TL successfully installed in commercial applications. On Mon, Jun 13, 2016 at 2:08 PM, Carl Adams wrote: > Hello Wrenches, > > I am looking of a recommendation on

Re: [RE-wrenches] Steel Trusses

2016-06-07 Thread Jason Szumlanski
ticipant bios: > www.members.re-wrenches.org > > > ___ > List sponsored by Redwood Alliance > > List Address: RE-wrenches@lists.re-wrenches.org > > Change listserver email address & settings: > http://lists.re-wrenches.org

Re: [RE-wrenches] Canadian Solar / MC4 connectors in a marine environment

2016-06-07 Thread Jason Szumlanski
It does sound like a very plausible cause and a reasonable response, but doesn't replacing the connectors void the module warranty? You might want to get in contact with Canadian Solar before doing that. On Tue, Jun 7, 2016 at 1:30 PM, Bill Brooks wrote: > Kirk, > >

Re: [RE-wrenches] Canadian Solar / MC4 connectors in a marine environment

2016-06-07 Thread Jason Szumlanski
That's very curious, indeed. Given that virtually all of the CS6Ps we installed were on micros, module interconnects would not have been an issue. Sounds like it could be a MC4 defect if the home run connection didn't exhibit the same issue. Strange. I'll be watching for other feedback. On

Re: [RE-wrenches] Canadian Solar / MC4 connectors in a marine environment

2016-06-07 Thread Jason Szumlanski
are within 200 feet of the Gulf or on canals. M190s were very susceptible to ground fault issues, so the lack of CS6P issues in particular points to an isolated incident in your case perhaps. (Hopefully for my sake). Jason Szumlanski On Mon, Jun 6, 2016 at 5:28 PM, Kirk Herander <vtso...@icloud.

Re: [RE-wrenches] Steel Trusses

2016-06-07 Thread Jason Szumlanski
While on the subject, anyone have a good source of 2" wide Butyl double sided tape? Our local roofing suppliers only have 1". On Mon, Jun 6, 2016 at 7:36 PM, Peter Giroux wrote: > Chad > > I second August. We have had great success with self tapping screws. Put >

Re: [RE-wrenches] meter main combo with multiple main breaker spots and NEC 705.12

2016-05-25 Thread Jason Szumlanski
= 100A would be your max inverter output rating. Jason Szumlanski On Wed, May 25, 2016 at 5:55 PM, August Goers <aug...@luminalt.com> wrote: > All – > > > > I’ll chime in to my own post with this article from Solar Pro: > > > > > http://solarprofessional.com/arti

[RE-wrenches] Evergreen 205 or 200

2016-05-16 Thread Jason Szumlanski
Looking for a "new" or used Evergreen module to replace a broken one. Please contact me off list if you have one available. Jason Szumlanski Principal Solar Designer Florida Solar Design Group ___ List sponsored by Redwood Alliance List A

Re: [RE-wrenches] supply side connection - Connectder

2016-05-12 Thread Jason Szumlanski
the ConnecDER would interfere with those other devices that they offer, and would not listen to reason when we explained that it was the customer's choice what collar device(s) they choose. Argh! It's one thing after another... Jason Szumlanski On Wed, May 11, 2016 at 3:44 PM, Kirk Herander <v

Re: [RE-wrenches] supply side connection - Tap connector recommendations

2016-05-11 Thread Jason Szumlanski
and an attitude of "avoiding the avoidable” > second nature. > > Michael > > On May 11, 2016, at 5:24 AM, Jason Szumlanski < > ja...@floridasolardesigngroup.com> wrote: > > In some jurisdictions and for some utilities, pulling the meter is a MAJOR > ordeal. S

Re: [RE-wrenches] supply side connection - Tap connector recommendations

2016-05-11 Thread Jason Szumlanski
any issue specifying and using them. Jason Szumlanski On Wed, May 11, 2016 at 12:26 AM, Shasta Daiku <mjmornings...@gmail.com> wrote: > Kirpal, I’m curious what the reason is for making the tap on an energized > line. Why not have the meter pulled? While insulation piercing taps a

Re: [RE-wrenches] Mobile solar trailer

2016-05-10 Thread Jason Szumlanski
approx. 12,000 Watt Hours of rated battery storage. Thought >> is that (8) AGM 6v 250AH batteries would work >> >> · approx. 1,500W PV Array >> >> >> >> I am requesting a quote from Patriot Solar (Albion, MI) >> http://patriotsolargroup.com/

Re: [RE-wrenches] Mobile solar trailer

2016-05-09 Thread Jason Szumlanski
working order. That unit had Rolls S-530s and a Magnum inverter with some Kyocera panels that just happened to fit the roof perfectly. ​Jason Szumlanski​ On Mon, May 9, 2016 at 4:02 PM, Dave <d...@independentpowerllc.com> wrote: > Wrenches, > > > > I have a customer looking f

Re: [RE-wrenches] 480 single phase delta

2016-04-29 Thread Jason Szumlanski
to connect, but because you have 3 wires and not 4 this does not seem to be the case. See if the utility will supply the third hot 480V conductor and switch the service to 3-phase. They can leave the neutral in place to support the 240V loads. [image: Inline image 1] Jason Szumlanski Florida Solar De

Re: [RE-wrenches] Goofy roofing

2016-04-29 Thread Jason Szumlanski
Look into the Versabracket. We get quite a lot of metal roofing installed around here over existing shingles with horizontal 1x4 battens. Spacing is usually 2', however. Jason Szumlanski On Fri, Apr 29, 2016 at 9:55 AM, frenergy <frene...@psln.com> wrote: > Recently, a customer ha

[RE-wrenches] List of Thin-Film Manufacturers

2016-02-23 Thread Jason Szumlanski
I am trying to compile a list of thin-film peel-and-stick products that are currently on the market and readily available. Any opinions would also be appreciated. Please respond off-list and I will send out the compiled list in about a week. ​Jason Szumlanski Florida Solar Desing Group

Re: [RE-wrenches] Inverter Failure Due to Generator Backfeed (?)

2016-01-30 Thread Jason Szumlanski
, Jerry Shafer <jerrysgarag...@gmail.com> >> wrote: >> >> We have seen something very close, it appears that the gwnny will always >> win this war. >> Jerry >> On Jan 29, 2016 1:14 PM, "Jason Szumlanski" < >> ja...@floridasolardesigngroup.com

[RE-wrenches] Inverter Failure Due to Generator Backfeed (?)

2016-01-29 Thread Jason Szumlanski
by an AHJ that shall not be named... Over 120%, and also not the correct OCPD rating anyway for these two inverters. Passed plan review and inspection... Contractor out of business... surprise! Jason Szumlanski Florida Solar Design Group ___ List

Re: [RE-wrenches] Plastic washers

2016-01-28 Thread Jason Szumlanski
always thought of Epdm as pretty soft? > > If you have a supplier let us know > > Jay > > On Jan 28, 2016, at 5:00 AM, Jason Szumlanski < > ja...@floridasolardesigngroup.com> wrote: > > If you are going to do it, have you considered EPDM washers instead of > plastic

Re: [RE-wrenches] Plastic washers

2016-01-28 Thread Jason Szumlanski
stic washers >> >> Jay, >> >> I would suggest that he has a point, that the dissimilar metals do have a >> reaction. But that the reaction is self limiting and that stainless >> fasteners with aluminum are used in marine applications al

Re: [RE-wrenches] Plastic washers

2016-01-27 Thread Jason Szumlanski
Another engineer, eh? I'd say no... Tell him to find another installer. 50 million Elvis fans, I mean PV installations, can't be wrong. Ask him if he brings his own scissors to the hairdresser? That's my favorite line. Jason Szumlanski On Wed, Jan 27, 2016 at 12:37 AM, Jay <jay

Re: [RE-wrenches] Solarworld

2016-01-26 Thread Jason Szumlanski
ne to help him... understandably. I always tell consumers the ASP story to scare them straight about low prices. ​Jason Szumlanski ​ On Wed, Jan 20, 2016 at 6:22 PM, Drake <drake.chamber...@redwoodalliance.org > wrote: > A lot of ads for cheap Solarworld modules come into my inbox. Doe

Re: [RE-wrenches] Temporary Roof Anchors

2016-01-08 Thread Jason Szumlanski
for this, and they cost next to nothing. Jason Szumlanski Florida Solar Design Group On Fri, Jan 8, 2016 at 12:39 PM, Benn Kilburn <b...@skyfireenergy.com> wrote: > The aluminum flashing sounds great. > I will fill the holes with sealant, re-insert the nails/screws and then > cover all

Re: [RE-wrenches] Frozen T-105s

2015-12-03 Thread Jason Szumlanski
have to really take care of it or we will be right back in the same position. If you don't want a transplant, we can just give you some really expensive medicine, but you'll probably still die soon anyway." Harsh, but a fitting analogy. ​Jason Szumlanski On Thu, Dec 3, 2015 at 4:14 PM, Tump <

Re: [RE-wrenches] Inverter back feed liability

2015-11-24 Thread Jason Szumlanski
Hahaha. Here in Florida where everyone is a retired something, everyone is an engineer, doctor, or lawyer, or they slept at a Holiday Inn Express last night. On a serious note, the way I usually handle engineers is to ask their particular area of work. Understanding whether they are focused on

Re: [RE-wrenches] Icynene spray foam insulation patching

2015-11-19 Thread Jason Szumlanski
PO Box 531 > Monte Vista, CO 81144 > sgsrenewab...@gmail.com > 719.588.3044 > www.sgsrenewables.com > > On Nov 19, 2015, at 05:22, Jason Szumlanski < > ja...@floridasolardesigngroup.com> wrote: > > ​What are you doing to patch up conduit penetrations through icynene >

[RE-wrenches] Icynene spray foam insulation patching

2015-11-19 Thread Jason Szumlanski
​What are you doing to patch up conduit penetrations through icynene insulation?​ ​Jason Szumlanski​ ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://list

Re: [RE-wrenches] Fastening of Backfed Breakers

2015-11-18 Thread Jason Szumlanski
in type. These are the new NEC changes that are now in effect. On Fri, Nov 13, 2015 at 4:24 PM, Jason Szumlanski <> wrote: I think there are two sources of confusion here. 610.10(E) does not apply to the systems in question in any way. 610.10 applies only to breakers connected to a stan

[RE-wrenches] MiaSole

2015-11-16 Thread Jason Szumlanski
there is a big ugly wire management trough that would cast a pretty good shadow, spreading the array out quite a bit. I'm not sure about wire management on a pitched metal roof, but it seems there should be a more elegant solution. Jason Szumlanski -- [image: Logo-Sq-80.png] Jason Szumlanski

Re: [RE-wrenches] MiaSole

2015-11-16 Thread Jason Szumlanski
iel Tittmann > CTO > Greenwired > www.greenwired.com > dan...@greenwired.com > 707-923-2001 (office) > 707-206-5088 (Cell) > > On Mon, Nov 16, 2015 at 5:28 AM, Jason Szumlanski < > ja...@floridasolardesigngroup.com> wrote: > >> Any opinions on MiaS

[RE-wrenches] Fastening of Backfed Breakers

2015-11-13 Thread Jason Szumlanski
NEC 2011 - one inspectors misinterpretation of the code below for your amusement and comments. I have to admit that 705.12(D)(6) is somewhat ambiguous. Appropriate use of commas by code writers would be very helpful. I was able to find Mike Holt's guide that clears it up, so hopefully that will do

Re: [RE-wrenches] Combined Inverter Fuse sizing

2015-10-24 Thread Jason Szumlanski
take the total number of microinverters times the rating time 1.25 to get the combined circuit wire size and OCPD requirements. The same methodology would apply to string inverters. Jason Szumlanski Florida Solar Design Group On Sat, Oct 24, 2015 at 7:50 AM, Allen Frishman <a

Re: [RE-wrenches] Combined Inverter Fuse sizing

2015-10-24 Thread Jason Szumlanski
Clarification - it's square root of 3, not 2, and if the Inverter Output Current is specified on a datasheet for a 3-phase inverter, it would already have the factor applied and that is the rating used to apply to 1.25x factor. For example, Sunny Tripower 12,000 has a inverter output rating of:

Re: [RE-wrenches] SB6000U Derating Mode

2015-10-21 Thread Jason Szumlanski
and difficult to deal with (slow service). http://www.shop.solarcowboyzoutlet.com/Inverter-Repair-Service-Inverter-Repair-Service.htm ​Jason Szumlanski ​ On Wed, Oct 21, 2015 at 9:58 AM, Dave Tedeyan <dtede...@taitem.com> wrote: > Hi All, > > Is anyone familiar with the wiring in the

Re: [RE-wrenches] Hailstorm damage

2015-10-09 Thread Jason Szumlanski
on resistance to strikes? ​Jason Szumlanski​ ​​Florida Solar Design Group​ On Fri, Oct 9, 2015 at 1:47 AM, Allan Sindelar <al...@sindelarsolar.com> wrote: > Wrenches, > From time to time I see posts about hail damage. The message below was > sent internally among Positive Energy'

Re: [RE-wrenches] Railless Racking

2015-09-27 Thread Jason Szumlanski
of the newer grounding lugs make that task a bit easier, but it's still more difficult than one WEEB-LUG per row on a rail. ​Jason​ Szumlanski On Sat, Sep 26, 2015 at 6:27 PM, Richard L Ratico < richard.l.rat...@valley.net> wrote: > Hi Folks, > > Would anyone having experience with

Re: [RE-wrenches] large array on 200 amp service

2015-09-25 Thread Jason Szumlanski
Supply side interconnection is the only option, usually tapping service conductors in main panel between meter and existing main. Without other complexities present, it's pretty straightforward. We're running into a lot of meter/main combos that don't have conductors that can be tapped (copper bus

Re: [RE-wrenches] large array on 200 amp service

2015-09-25 Thread Jason Szumlanski
he > utility and the rating of the conductors feeding the service? > > > On Friday, September 25, 2015, Jason Szumlanski < > ja...@floridasolardesigngroup.com> wrote: > >> Supply side interconnection is the only option, usually tapping service >> conductors in main pane

Re: [RE-wrenches] large array on 200 amp service

2015-09-25 Thread Jason Szumlanski
Siemens makes a "Solar Ready" line. Whatever you plan to install, make sure it's on the utility's list of approved devices. And... Don't find out the hard way that your utility does not allow solar backfeed directly to the double-lugs on the load side of the meter socket. It makes no sense

Re: [RE-wrenches] large array on 200 amp service

2015-09-25 Thread Jason Szumlanski
e Energy > Cell: 707-321-2937 > > On Sep 25, 2015, at 10:31 AM, Jason Szumlanski < > ja...@floridasolardesigngroup.com> wrote: > > Siemens makes a "Solar Ready" line. Whatever you plan to install, make > sure it's on the utility's list of approved devices.

Re: [RE-wrenches] Rooftop DC disconnects

2015-09-24 Thread Jason Szumlanski
take care of the AC circuits in a microinverter or AC module system, but ideally the building main is shut down anyway, and the risk is the same as any other 240V equipment/appliance circuits. ​Jason Szumlanski On Wed, Sep 23, 2015 at 4:26 PM, William Miller <will...@millersolar.com> wrote

Re: [RE-wrenches] Rooftop DC disconnects

2015-09-24 Thread Jason Szumlanski
t 9:12 AM, Brian Mehalic <br...@solarenergy.org> wrote: > > I disagree about tarps. We've tested fully covered arrays (and small ones > at that) and still had what would be considered lethal levels of current > and voltage, even when using heavy, reflective tarps. And it can be very >

[RE-wrenches] 80kW Radian

2015-09-16 Thread Jason Szumlanski
Has anyone actually implemented 80kW of paralleled Radian power output, and if so, what battery and capacity did you use? ​Jason Szumlanski Florida Solar Design Group​ ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re

Re: [RE-wrenches] to flash or not to flash

2015-08-28 Thread Jason Szumlanski
experiences from around the country with snow, freeze/thaw cycles, expansion/contraction, and other phenomenon that could differ drastically from place to place. Maybe we're trying to shoehorn a single solution into a problem that has more than one answer. Jason Szumlanski On Fri, Aug 28, 2015 at 3:43

Re: [RE-wrenches] Serviceable equipment on a roof

2015-08-13 Thread Jason Szumlanski
, installation, alteration and repair of systems, equipment and appliances intended to utilize solar energy for space heating or cooling, domestic hot water heating, swimming pool heating or process heating. Jason Szumlanski On Thu, Aug 13, 2015 at 10:30 AM, Daniel Young dyo...@dovetailsolar.com wrote

Re: [RE-wrenches] Standing metal seam clamps

2015-08-13 Thread Jason Szumlanski
No first-hand experience with it, but there is one from Eco-Fasten: http://www.ecofastensolar.com/store/pc/viewCategories.asp?idCategory=4 On Thu, Aug 13, 2015 at 5:04 PM, Jay jay.pe...@gmail.com wrote: Hi all Any options for standing metal seam clamps besides S-5! Snap n rack ?

Re: [RE-wrenches] clear sealant recommendations

2015-08-11 Thread Jason Szumlanski
, but it would be nice to know if there is a good clear option. Jason Szumlanski On Tue, Aug 11, 2015 at 2:59 PM, William Dorsett wmdors...@sbcglobal.net wrote: When we used zip ties for managing wire, we were advised to buy the black ones because the pigment made them more impervious to UV. It might

Re: [RE-wrenches] to flash or not to flash

2015-08-10 Thread Jason Szumlanski
are debating about, it's open to interpretation. On Fri, Aug 7, 2015 at 5:50 PM, Jason Szumlanski ja...@floridasolardesigngroup.com wrote: http://www.oatey.com/brands/oatey/regions/canada/products/flashings/roof-flashings/retro-master-flash-roof-flashings Well, the manufacturer calls

Re: [RE-wrenches] to flash or not to flash

2015-08-07 Thread Jason Szumlanski
If you place a flat object on top of roofing without an uphill material lapping over the downhill object, you are not flashing. By that logic, an Oatey boot is not a flashing for a plumbing vent on a metal roof. Just sayin'... Jason Szumlanski On Fri, Aug 7, 2015 at 2:19 PM, William Miller

Re: [RE-wrenches] to flash or not to flash

2015-08-07 Thread Jason Szumlanski
Johnsen On Fri, Aug 7, 2015 at 3:21 PM, Jason Szumlanski ja...@floridasolardesigngroup.com wrote: If you place a flat object on top of roofing without an uphill material lapping over the downhill object, you are not flashing. By that logic, an Oatey boot is not a flashing for a plumbing

Re: [RE-wrenches] to flash or not to flash

2015-08-06 Thread Jason Szumlanski
. Jason Szumlanski On Thu, Aug 6, 2015 at 12:47 PM, Daniel Young dyo...@dovetailsolar.com wrote: Writing the subject above, it seems like I’ve heard this question on the wrench list before, but I could not find it in my old email archives. Feel free to pint me back to the old discussion

Re: [RE-wrenches] to flash or not to flash

2015-08-06 Thread Jason Szumlanski
This started as an asphalt shingle attachment discussion, so it's important to note that many of the sealants from Sika are NOT compatible with asphaltic/bitumunous surfaces. Many competitors are still using products from this company that are specifically noted by the manufacturer as not

Re: [RE-wrenches] Dream system.

2015-07-31 Thread Jason Szumlanski
That looks pretty good! Note sure if it's within the scope, but computer software for design and shading analysis might be good. I didn't see a 72 cell module or a Sunpower on the list. S-5 clamps and various roof panels, shingles, and tiles maybe. Jason Szumlanski On Fri, Jul 31, 2015 at 5:05

Re: [RE-wrenches] Using the North Facing Roof

2015-07-30 Thread Jason Szumlanski
Mason cometenergysyst...@gmail.com wrote: Could you add the ability to use coordinates instead of zip code, otherwise it is no use outside the US. On Thu, Jul 30, 2015 at 1:16 PM, Jason Szumlanski ja...@floridasolardesigngroup.com wrote: I figured while I'm at it I might as well release

Re: [RE-wrenches] Using the North Facing Roof

2015-07-29 Thread Jason Szumlanski
some great visualizations. [image: Inline image 1] Enjoy! Jason Szumlanski On Tue, Jul 28, 2015 at 7:01 PM, Allan Sindelar al...@sindelarsolar.com wrote: I am paying close attention to this thread, but for different reasons. I have designed and will install next month an off grid system

Re: [RE-wrenches] Using the North Facing Roof

2015-07-28 Thread Jason Szumlanski
provide critical power at certain times of day at certain latitudes. If aligning production with consumption is important in a situation, every pitch and azimuth is on the table for analysis. Jason Szumlanski Florida Solar Design Group On Tue, Jul 28, 2015 at 1:21 AM, Peter Parrish peter.parr

Re: [RE-wrenches] Using the North Facing Roof

2015-07-28 Thread Jason Szumlanski
Maybe I'm a bit slow, but I don't understand this slide at all. This might make sense for expected momentary power output at a particular static sun position (perpendicular to the south panel face) under test conditions, but it doesn't relate to real world energy output with weather and sun

Re: [RE-wrenches] Using the North Facing Roof

2015-07-28 Thread Jason Szumlanski
-and-orientation/ If you are familiar with APIs, you can get the data from PVWATTS programmatically without too much difficulty. Jason Szumlanski On Tue, Jul 28, 2015 at 2:23 PM, Will White william.wh...@rgsenergy.com wrote: I did a quick simulation using PV Watts for a small system in Western Mass

[RE-wrenches] SMA 1800u not generating power

2015-07-24 Thread Jason Szumlanski
financial sense for the owner to replace it with a current model, as the replacement cost would take almost 10 years to recover with the small BIPV array connected to it. I'm hoping for a field repair option. Jason Szumlanski ___ List sponsored by Redwood

Re: [RE-wrenches] SMA 1800u not generating power

2015-07-24 Thread Jason Szumlanski
the years, and never really considered this. It makes much more financial sense for an owner to replace a failed 5kW inverter when the labor is basically the same as a 2kW. Jason Szumlanski On Fri, Jul 24, 2015 at 10:04 AM, Sky Sims s...@ecologicalsystems.biz wrote: This is a known issue. I've

[RE-wrenches] Multiple Outback Radians with AC Coupling

2015-07-21 Thread Jason Szumlanski
Does Outback (or anyone else) have a wiring diagram for multiple Radians in AC coupled configuration? Specifically, I would like to see quad-GS8048 Radians coupled with 24kW of PV. Jason Szumlanski ___ List sponsored by Redwood Alliance List Address

Re: [RE-wrenches] SnapNrack

2015-06-28 Thread Jason Szumlanski
bonding end clamp; just mid clamp. Does Unirac make an integrated bonding end clamp? Thanks for any help. Chris On 6/25/2015 4:13 PM, Jason Szumlanski wrote: That decision was based on our distribution network offering better pricing on Unirac, and engineers being comfortable with it. Now

Re: [RE-wrenches] SnapNrack

2015-06-26 Thread Jason Szumlanski
, 2014 at 12:09 PM, Jason Szumlanski ja...@fafcosolar.com wrote: By Snap N Rack, you mean Sun Run... http://cleantechnica.com/2014/02/05/sunrun-acquires-rec-solars-residential-business-aee-solar-snapnrack-means/ I'm curious if these vertical integrators will still make their acquired

Re: [RE-wrenches] SnapNrack

2015-06-25 Thread Jason Szumlanski
-mounted residential systems on comp roof? Thanks, Dana Dana Brandt Ecotech Energy Systems, LLC www.ecotechenergy.com d...@ecotechenergy.com 360.318.7646 On Wed, Feb 5, 2014 at 12:09 PM, Jason Szumlanski ja...@fafcosolar.com wrote: By Snap N Rack, you mean Sun Run... http

Re: [RE-wrenches] tesla powerwall

2015-06-09 Thread Jason Szumlanski
. The monitoring capability will surely be a major selling point. Jason Szumlanski On Tue, Jun 9, 2015 at 12:01 PM, William Dorsett wmdors...@sbcglobal.net wrote: Tesla is is not the only game in town, and is prominent only because of its spokesperson. There are a number of smart battery

Re: [RE-wrenches] PVWatts

2015-06-04 Thread Jason Szumlanski
Clear your browser cache and cookies. I had the same problem and resolved it by doing this. Jason On Thu, Jun 4, 2015 at 12:20 AM, Dan Fink danbo...@gmail.com wrote: Location intrergation is not working for me either. I hope they get the API fixed before start of my class next monday, it's

Re: [RE-wrenches] ConnectDER

2015-06-02 Thread Jason Szumlanski
. #smallminds Jason Szumlanski Florida Solar Design Group On Mon, May 25, 2015 at 7:58 PM, toddc...@finestplanet.com wrote: wow, engenius. thanks for posting this. http://connectder.com/products todd On Monday, May 25, 2015 4:48pm, John Blittersdorf john.blittersd...@gmail.com said

Re: [RE-wrenches] ConnectDER

2015-05-26 Thread Jason Szumlanski
, but no word yet on approval. Jason Szumlanski Florida Solar Design Group On Mon, May 25, 2015 at 7:58 PM, toddc...@finestplanet.com wrote: wow, engenius. thanks for posting this. http://connectder.com/products todd On Monday, May 25, 2015 4:48pm, John Blittersdorf john.blittersd

Re: [RE-wrenches] Supply side

2015-05-25 Thread Jason Szumlanski
that is a separate service disconnect. We see these a lot, but usually the second service disconnect is already feeding a pool subpanel or detached garage. Regardless of what you choose, make sure it's on the approved list with your utility. [image: Logo-Sq-80.png] Jason Szumlanski Principal Solar

Re: [RE-wrenches] FLA battery set points with larger arrays

2015-05-25 Thread Jason Szumlanski
Steve, Can you elaborate on how heat affects batteries that sit in float service at high temperatures? What kind of cycle/capacity changes can we expect? Say, for example, that a bank of S-530 batteries are 5 years old and have spent days at 40C and nights at 25C, and have essentially been in

Re: [RE-wrenches] Tesla Powerwall battery paired with solar

2015-05-02 Thread Jason Szumlanski
the price, then we might have something to talk about. Jason Szumlanski On Fri, May 1, 2015 at 6:49 PM, August Goers aug...@luminalt.com wrote: Hi Wrenches, I’m sure you’ve seen the Tesla Powerwall press releases by now: http://www.teslamotors.com/presskit/teslaenergy We are already

Re: [RE-wrenches] Apprentice interview

2015-04-30 Thread Jason Szumlanski
You're talking to the people who have those rare skills. Unfortunately, we're all working for ourselves, not each other! (let's go ahead and pat ourselves on the back) We've found some success taking people from other disciplines in trade schools. At least they are in learn mode and have done

Re: [RE-wrenches] Attaching to roof sheeting

2015-04-29 Thread Jason Szumlanski
, blocking is the only option I am aware of. Comp roofs - I can't imagine why it couldn't be done from an engineering standpoint, but the flashing is the more difficult question in my mind. Jason Szumlanski Florida Solar Design Group On Tue, Apr 28, 2015 at 4:50 PM, will...@millersolar.com wrote

Re: [RE-wrenches] Wire protection for ground mount

2015-04-17 Thread Jason Szumlanski
What are you screwing the aluminum into? Any chance of getting a picture? On Fri, Apr 17, 2015 at 9:08 AM, Matt Sherald m...@getpimby.com wrote: Adam, I've used aluminum perforated sheet metal in the past. It matches the other aluminum on the ground mount and it can be zipped up with self

Re: [RE-wrenches] Apprentice

2015-04-17 Thread Jason Szumlanski
. It's easy to sho up looking professional. Leaving the job site looking anything but ragged is the challenge. Jason Szumlanski On Thu, Apr 16, 2015 at 7:34 PM, Solar Energy Solutions solarenergysoluti...@yahoo.com wrote: Here is our ad. We are looking to hire a highly motivated individual

Re: [RE-wrenches] Apprentice

2015-04-17 Thread Jason Szumlanski
wear. Another option would be a simple Dickies coverall – can be worn with minimal underclothing and changed into and out of at jobsite (in a discrete location).. -Glenn *From:* RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] *On Behalf Of *Jason Szumlanski *Sent:* Friday

Re: [RE-wrenches] Supply Side Interconnection - Parallel Conductors

2015-04-09 Thread Jason Szumlanski
disconnect as you suggested. On the supply side you have it easier, not needing to comply with the 120% rule. I don't think you will have any issue unless your PV inverter output rating is greater than 600A! Jason Szumlanski Florida Solar Design Group On Wed, Apr 8, 2015 at 9:58 PM, Corey

Re: [RE-wrenches] Heat Exchangers Topic for Swimming Pools

2015-04-06 Thread Jason Szumlanski
at the Florida Solar Energy Center (FSEC) resources for solar pool heating: http://www.fsec.ucf.edu/en/consumer/solar_hot_water/pools/sizing.htm Jason Szumlanski On Sun, Apr 5, 2015 at 8:49 PM, Jay jay.pe...@gmail.com wrote: Hi Tom Is your doubling of the HE an rule of thumb or is there a formula

Re: [RE-wrenches] Upgrading old inverters to TL?

2015-03-31 Thread Jason Szumlanski
Probably not what you want to hear, but microinverters might work depending on the module. Jason On Tue, Mar 31, 2015 at 1:40 PM, August Goers aug...@luminalt.com wrote: Hi Wrenches, We commonly upgrade old failed out-of-warranty grid tied inverters as part of our OM business. Anyway,

Re: [RE-wrenches] Acid containment

2015-03-30 Thread Jason Szumlanski
I have tested shower pan liners successfully as well. They are impervious to battery acid, even after long exposure. [image: Logo-Sq-80.png] Jason Szumlanski Principal Solar Designer Florida Solar Design Group (239) 491-8010 office (239) 410-4985 mobile Authorized Sales Agent for Fafco

Re: [RE-wrenches] ITC

2015-03-27 Thread Jason Szumlanski
Self employment tax is not income tax. It goes toward social security and medicare. Nobody can take the ITC against these taxes. No big deal... http://www.irs.gov/Businesses/Small-Businesses--Self-Employed/Self-Employment-Tax-Social-Security-and-Medicare-Taxes Jason Szumlanski Florida Solar

Re: [RE-wrenches] Corrugated Roof Brackets

2015-03-05 Thread Jason Szumlanski
I've tried the Versabracket, which uses a similar sealing method, with great results. I can't speak for the Corrubracket specifically. Jason Szumlanski On Thu, Mar 5, 2015 at 11:00 AM, AE Solar autonomousenerg...@gmail.com wrote: Hey Wrenchers, Anyone have feedback or preferences on mounting

Re: [RE-wrenches] Enphase Gen4 - How Is It Doing?

2015-02-08 Thread Jason Szumlanski
M215 failures? I've seen only 1 or 2 out of thousands. The M215 was a remarkable improvement over the M190. Are you having a different experience? Jason Szumlanski On Fri, Feb 6, 2015 at 12:56 PM, Mark Frye ma...@berkeleysolar.com wrote: Folks, How is the Gen4 Enphase (M250) holding up

Re: [RE-wrenches] 300W 72 cell micro inverters

2015-02-08 Thread Jason Szumlanski
with 300W modules occasionally, and consumers (irrationally) jump to the conclusion that bigger is better. [image: Logo-Sq-80.png] Jason Szumlanski Principal Solar Designer Florida Solar Design Group (239) 491-8010 office (239) 410-4985 mobile Authorized Sales Agent for Fafco Solar [image

Re: [RE-wrenches] multiple points of grid connection and the opposite end of the bus rule

2014-10-28 Thread Jason Szumlanski
happens if we are adding onto a PV system where there is already a max'd out load side connection. Jason Szumlanski On Wed, Oct 22, 2014 at 9:15 AM, Allen Frishman amfr...@aeonsolar.com wrote: Wrenchers, I am working on a multi building complex that is part of a isolated grid (multiple buildings

Re: [RE-wrenches] AC combiners

2014-10-28 Thread Jason Szumlanski
I agree with Dave - spring for the AC combiner. If you market is so competitive that $75 makes a difference, move to Florida... on second thought... :) Jason Szumlanski On Fri, Oct 24, 2014 at 1:39 PM, Dave Click davecl...@fsec.ucf.edu wrote: Bill, typically inverters have a max OCPD that can

Re: [RE-wrenches] SMA TL meter communication interference?

2014-10-21 Thread Jason Szumlanski
You could probably SELL that. People have asked me if it's possible to jam smart meter communications. Seriously, though, isn't there some FCC rule about devices accepting interference from other devices as part of their approval? Maybe smart meters would be covered under that. Jason Szumlanski

Re: [RE-wrenches] Mitsubishi Mini Split fighting with Outback VFX Off Grid

2014-10-21 Thread Jason Szumlanski
I have one system out there with a Mitsu mini-split unit on four VFX3648 inverters, and no reported issues. Jason Szumlanski Fafco Solar Jason Szumlanski On Tue, Oct 21, 2014 at 10:54 AM, d...@foxfire-energy.com wrote: Anyone else had issues with Mitsubishi Mini Split heat pumps fighting

Re: [RE-wrenches] Warranty replacements

2014-10-18 Thread Jason Szumlanski
a thriving and profitable service department, but until consumer expectations are brought back to reality, its not fun work. Jason Szumlanski On Thu, Oct 16, 2014 at 3:40 PM, Steve McCarney stevemccarne...@gmail.com wrote: Warranty-related service calls and related issues are compounded for off

<    1   2   3   4   5   6   7   8   9   10   >