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

Same thing going on here Conrad Cotuit Solar Conrad Geyser, Principal Cotuit Solar LLC 508-428-8442 On Fri, Aug 5, 2016 at 9:59 AM, gary easton <g...@arp-solar.com> wrote: > just a worthless ticket but no action and certainly no timely > reimbursement if at all. I would never

Re: [RE-wrenches] Favorite BIPV?

systems are Lumos(expensive) and Galaxy Roof systems(have yet to see in the field). Seems like we ought to have an affordable, ready to go BIPV market to turn to when the need arises, but seemingly not yet? best, Conrad Cotuit Solar Conrad Geyser, Principal Cotuit Solar LLC 508-428-8442 On Sun, Jul

[RE-wrenches] Favorite BIPV?

Hi all, Hoping that some of you may be interested in sharing your experiences with different building integrated PV systems. I have played around with various approaches over the years including some fairly experimental ones. *Not with customers! *Currently on my radar for off the shelf

[RE-wrenches] reflective label maker?

Anybody have a favorite reflective label maker that they would care to share the info on? Conrad Cotuit Solar LLC ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings:

Re: [RE-wrenches] Plastic washers

washers. Conrad Cotuit Solar Conrad Geyser, Principal Cotuit Solar LLC 508-428-8442 On Wed, Jan 27, 2016 at 8:02 AM, Jason Szumlanski < ja...@floridasolardesigngroup.com> wrote: > Another engineer, eh? > > I'd say no... Tell him to find another installer. 50 million Elvis fa

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

Tump, Glad you feel you have a superior method. Please feel free to use it but do not assume that your process is superior for others and hence infer an alleged best practice. Silicone does indeed react with aluminum; it bonds with it by etching the surface. This is a good thing. I agree with

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

these terms up : ). Don't use GE silicone below 45F - it will never cure. For aspahlt here in the NE, I feel as though the flashing products are OK but actually create more roof liability as they require the releasing of shingles at a minimum. Conrad Geyser Cotuit Solar LLC NAPCEP PV

Re: [RE-wrenches] offsetting generator loads with PV

, Conrad Geyser conr...@cape.com wrote: Esteemed wrenchies, I'm working on Integrating PV with a group in the Caribbean on commercial sites with intermittent gird power. Need to be able to work grid tied and generator tied. No UL 1741. Anybody worked with this? Need some consulting

[RE-wrenches] offsetting generator loads with PV

Esteemed wrenchies, I'm working on Integrating PV with a group in the Caribbean on commercial sites with intermittent gird power. Need to be able to work grid tied and generator tied. No UL 1741. Anybody worked with this? Need some consulting and/or therapy. always a pleasure, Conrad NABCEP

Re: [RE-wrenches] DC arc welder?

Hi Tom, Yes it works great. PV is the perfect set up for welding - it doesn't matter if you short it out. The modules in the youtube are in parallel, not series, and that is how I've done it. We have a power trailer set up for temporary power that works perfectly - it's 9: 195W Suntechs:

Re: [RE-wrenches] PV-direct electric water heating

Hilton and Allan, If the system has an Outback or any other charge controller with a diversion load setting, the diversion to water heating or ice making can be made to happen at a fully charged setpoint only. I have a system set up making ice which does this nicely - it typically comes on

[RE-wrenches] C-46 abe to do tie ins?

JLC is publishing a residential installation article by me and goes to print this week. There is going to be some information on licensing - are you c-46 allowed to do everything related to a grid tied PV system - even say a line tap? thanks, Conrad Cotuit Solar From:

Re: [RE-wrenches] Fridge recommendations?

David, Is this on or off grid? Conrad Cotuit Solar From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Rob Shappell Sent: Wednesday, January 09, 2013 3:44 PM To: 'RE-wrenches' Subject: Re: [RE-wrenches] Fridge

Re: [RE-wrenches] Fridge recommendations?

-wrenches.org] On Behalf Of conrad geyser Sent: Wednesday, January 09, 2013 3:52 PM To: 'RE-wrenches' Subject: Re: [RE-wrenches] Fridge recommendations? David, Is this on or off grid? Conrad Cotuit Solar From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun

[RE-wrenches] 15 kV redundant relay

Fellow wrenches, Anybody know a source for a 15 kVredundant relay ? I have a 1 MW farm ready to go online and the engineering didn't spec. this utility requirement. Everybody's many weeks out on producing. Happy Thanksgiving all, Conrad Cotuit Solar

Re: [RE-wrenches] MC4 Y Connectors

Allen, Our read is that it's OK to use unfused wyes on systems with 2 strings only. If one string shorts, the other string can't overcurrent it. As soon as you are ringing together more than two strings, you need to fuse each one. Conrad Cotuit Solar From:

Re: [RE-wrenches] SolarEdge v Enphase

Andrew, We installed a Solar Edge system on a 5 kW this spring. We've had to replace all the optimizers and the inverters. They've been OK with support on this but perhaps a bit slow in throwing in the towel making us go back three times. Maybe the bugs are out by now but our experience

Re: [RE-wrenches] Vent Pipes under an array?

Al, It has long been on my list to come up with a code compliant way of routing vents under pipes and out the North side. I'll let you know if I come up with one! Conrad Cotuit Solar From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org]

[RE-wrenches] mc4 inline fuses

Hi all, Does anybody have any experience with / have a source for MC 4 inline fuses? http://www.win-solarllc.com/index.php?page=shop.product_details http://www.win-solarllc.com/index.php?page=shop.product_detailsflypage=fly

Re: [RE-wrenches] mixing aluminum and galvanized steel

My experience on the Northeast coast(salty sometimes) is that the galvanizing helps protect all the metals in the system. The zinc in the most anodic metal on the chart and will help protect anything. On the contrary, the stainless and the aluminum do react and in the case of fasteners, often

Re: [RE-wrenches] Piping Reynolds Solar Hot Water Collectors

We just use standard copper 5/8 compression fittings and have for decades with no galvanic consequences. Sometimes tough to find a clean section of tubing to go on. Also some limited success with a copper and aluminum compatible solder Conrad Cotuit Solar -Original Message- From:

Re: [RE-wrenches] 690.4 (B) ???

Kirk, Just zip tie your DC stuff together and your AC stuff together and keep the two bundles separate. Then they can be in the same trough. At least that's the way we do it. I don't know about in the same conduit, I'd guess no. Conrad Cotuit Solar -Original Message- From:

[RE-wrenches] PV encapsulation qualities

Esteemed wrenches, As the Chinese invasion continues, I imagine that most of us will end up using products made in China at some point. Most of my experience and knowledge has indicated the Chinese modules are by and large going to be of comparable quality to any other crystalline silicon

Re: [RE-wrenches] Protection against birds

Lee, We have had to run a wire mesh perimeter guard around our arrays at some sites. Squirrels can be quite a problem as well - they chew the wires! Conrad Cotuit Solar -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org]

Re: [RE-wrenches] VAWT recommendation

Hear hear! We need to rout the RE industry of the charlatans that will only serve to bring the responsible people down. VAWTs do not employ the Bernoulli Effect - the laminar flow phenomenon that gives all foils/wings their power. They are categorically inefficient. There are plenty of HAWT

[RE-wrenches] Proven 15 turbine

Anybody out there interested in talking about the Proven 15 kW (now called the Proven 35)? Conrad Geyser Cotuit Solar ___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options settings: http://lists.re

[RE-wrenches] Concordes / desulphator / Lithium ion?

A bit of a follow up on a thread of about three months ago where we had taken over an orphaned bank of Concorde 12V VRLA, 10 parallel banks of 4. Thanks for all the input on this! Efforts to revive via fixed amperage charging have not proven successful. These batteries had been sorely abused.

[RE-wrenches] Investment Tax Credit SEIA

Hi Peter, 1) Only the DOT grant alternative to the ITC is due to expire. SEIA is pushing for an extension. I couldn't be more impressed by this organization and would strongly encourage everyone in this industry to join. There are varying levels of membership and it costs some money

Re: [RE-wrenches] solar hot water nighttime recirc

data on this ?? Have a great Christmas. Carl Emerson Free Power Ltd. Web www.freepower.co.nz _ From:re-wrenches-boun...@lists.re-wrenches.org [ mailto:re-wrenches-boun...@lists.re-wrenches.org mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Conrad Geyser Sent

Re: [RE-wrenches] solar hot water nighttime recirc

Nicholas, You can certainly do that. Most newer controllers have a vacation function that will provide this. Another method is to put in a bypass to the check valve that you can open and the system will naturally reverse thermo siphon at night. Not much in the way of calculations other than

Re: [RE-wrenches] Federal Tax Credit Grants for Businesses

-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Conrad Geyser Sent: Saturday, December 12, 2009 9:56 AM To: 'RE-wrenches' Cc: 'Katie Kehrl' Subject: Re: [RE-wrenches] Federal Tax Credit Grants for Businesses Kirpal, We have just received notification and payment

Re: [RE-wrenches] Federal Tax Credit Grants for Businesses

Kirpal, We have just received notification and payment for our first two applications which went in during the first week of the program. They did require engineered stamped plans and a third party commissioning report which we weren't initially aware of and supplied later. Good luck!

Re: [RE-wrenches] concord batteries, EQUALIZE Them!

in the Lifeline Technical manual, page 20. http://www.lifelinebatteries.com/manual.pdf Larry Crutcher www.starlightsolar.com la...@starlightsolar.com (928) 941-1660 On Nov 29, 2009, at 6:48 PM, Conrad Geyser wrote: In the vein of us on grid folks who's heads spin when the off grid folks start

[RE-wrenches] concord batteries

In the vein of us on grid folks who's heads spin when the off grid folks start talking about charge programming and gen set start up parameters. I am servicing an orphaned 48 V off grid system that is only 1 1/2 years old, with 40 Concorde Sun Extender batteries, which are for the most part,

Re: [RE-wrenches] raintite box mounting angle

We always fill any conduit at the point of building penetrations for air sealing. Otherwise in winter, not only will the conduit get house moisture condensing inside of it, but it will act a a nice thermo siphon for pulling warm air out of the house... _ From:

[RE-wrenches] Oscilloscope

Esteemed Wrenches, We haven't talked oscilloscopes since 2007. We have a Nantucket Fronius inverter that is telling us there is an AC frequency problem. It seems feasible that there is a frequency issue way out there and that we better check that. Any reviews on the Velleman handheld (or any

Re: [RE-wrenches] Solar Magic

I was having a conversation with Michael Rogol from Photon yesterday and his only concern was the life expectancy. They are testing them. Other than that they are working as far as overcoming intermittent shading. Conrad Geyser Cotuit Solar _ From: re-wrenches-boun...@lists.re

[RE-wrenches] perimeter guards?

Anybody willing to share their thoughts / devices on a guard around the edges of arrays to stop animals from nesting in there? Thanks, Conrad Cotuit Solar -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of

Re: [RE-wrenches] Solar Installers Association

Hi all, SEBANE, Solar Energy Business Association of New England, which is an ongoing concern, would fit the parameters of the national trade association that you describe. I support SEBANE and would also support a national organization. Ken, you have to be a little careful with CommonWealth

Re: [RE-wrenches] Federal Tax Credits for Nonprofits

Howie, If you have the tax appetite, just own the system yourself for 5 years, charging the site for production. After five years, sell it to them for whatever balance you need to get to make the numbers work. As a solar installer you can do this without many legal hoops. Other than that you

Re: [RE-wrenches] Sample Power Purchase Agreements

Carl, We have been working on a small (20 KW) PPA which I'll call a partial pay model. The main advantage is that it transfers tax credits for the non-profit / municipality. They end up getting as much as 50% more KW (Massachusetts) than they would otherwise and the investor ends up making a

[RE-wrenches] Electricians liability certificate

Esteemed colleagues, Having just hired a licensed electrician for our renewable energy company we find that he cannot use our liability insurance to cover him on pulling electrical permits here in Massachusetts. It seems that he has to have his own certificate despite being listed as an

Re: [RE-wrenches] tankless hot water and pumping question

Hey Ian, The key is that you want temperature modulated, not flow modulated. There are a number of temperature modulated units out there, the Rinnai and Takagi probably being the most popular. We have had one problem with a solar preheat through one of these and that is if the solar water is

Re: [RE-wrenches] hydro coils

Todd / Wrenches: For what it’s worth: My favorite woodstove hookup is a thermo siphon feed as done in days of old. This is self regulating and worry free. My oldest one has been going for ~25 years. Just use all threaded joints anywhere near the stove! In firebox HX I’d average 24” of ¾”

Re: [RE-wrenches] Apollo T80 hardware

Sounds like a lot of Apollo swap outs. We're considering one 'cause of the higher voltage... How have they been holding up? Conrad Cotuit Solar - Original Message - From: John Raynes [EMAIL PROTECTED] To: RE-wrenches re-wrenches@lists.re-wrenches.org Sent: Wednesday, July 30, 2008