[RE-wrenches] Mounting to SIPs, revisited

. The roofs in question are triangular in plan, and are fairly small (~ 15' x 15' x 21') Does anyone have experience with mounting directly to the outer skin of a SIP panel? Suggestions on the best way to approach this problem would be appreciated. Thanks in advance. Luke Christy NABCEP

[RE-wrenches] 100kW BOS cost per Watt

. Thanks in advance Luke Christy NABCEP Certified PV Installer™: Certification #031409-25 (Luke Christy) CoSEIA Certified PV Installer (Luke Christy) Solar Gain Services, LLC Monte Vista, CO ___ List sponsored by Home Power magazine List

Re: [RE-wrenches] Mounting L feet on corrugated metal roof.

out. Luke Christy NABCEP Certified PV Installer™: Certification #031409-25 (Luke Christy) CoSEIA Certified PV Installer (Luke Christy) Solar Gain Services, LLC Monte Vista, CO. sgsrenewab...@gmail.com Wrenches, Do you have any tips, stories, methods for mounting L feet

Re: [RE-wrenches] Laing Solar Eco Pumps vs. El Sid

for most situations. Luke Christy NABCEP Certified PV Installer™: Certification #031409-25 (Luke Christy) CoSEIA Certified PV Installer (Luke Christy) Solar Gain Services, LLC Monte Vista, CO. sgsrenewab...@gmail.com ___ List sponsored by Home

Re: [RE-wrenches] XW config tool

I have an inverter to update as well, and just got the tool in the mail. I fear I already know the answer to this, but will it work with Mac OS? Luke Christy NABCEP Certified PV Installer™: Certification #031409-25 (Luke Christy) CoSEIA Certified PV Installer (Luke Christy) Solar Gain

[RE-wrenches] PV Estimate for Vaporware Building

with these extremely amorphous requests for costs? Thanks in advance for your input. -Luke Christy Luke Christy NABCEP™ Certified PV Installer Solar Gain Services, LLC Center, CO ___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re

Re: [RE-wrenches] PV Estimate for Vaporware Building

Jeff and Peter, Thanks for your input. It's helpful. Cheers, -Luke Luke Christy NABCEP™ Certified PV Installer Solar Gain Services, LLC 45943 County Rd E Center, CO. 81125 sgsrenewab...@gmail.com 719.588.3044 ___ List sponsored by Home Power

[RE-wrenches] PV in NYC

it! Please reply off-list. Thank you in advance. Luke Christy NABCEP Certified PV Installer™: Certification #031409-25 (Luke Christy) NABCEP Certified Solar Thermal Installer™: Certification #ST032611-03 CoSEIA Certified PV Installer (Luke Christy) Solar Gain Services, LLC Monte Vista, CO. sgsrenewab

[RE-wrenches] 3-phase wire run considerations

are the considerations of careful cable bundling? ie: putting several conductors per phase willy nilly in a trench vs having separate triplexed bundles. Thanks in advance for your thoughts. Luke Christy NABCEP Certified PV Installer™: Certification #031409-25 (Luke Christy) NABCEP Certified Solar

Re: [RE-wrenches] SMA Sunny Design temperature/voltage calculations

janky old PC laptop if I want to use the tool. Bring back the old version! Luke Christy Luke Christy NABCEP Certified PV Installer™: Certification #031409-25 (Luke Christy) NABCEP Certified Solar Thermal Installer™: Certification #ST032611-03 CoSEIA Certified PV Installer (Luke Christy

[RE-wrenches] Looking for TM500 shunt board

there have an old low-voltage shunt board that you want to sell? If so please contact me off-list. Thanks. Luke Christy NABCEP Certified PV Installer™: Certification #031409-25 NABCEP Certified Solar Heating Installer™: Certification #ST032611-03 CoSEIA Certified PV Installer Solar

Re: [RE-wrenches] BZ Products Charge Controllers

for a MPPT unit. -Luke Christy Hello wrenches, Anyone have any experience with BZ Products charge controllers? Kind of thin website (http://bzproducts.net/) but it seems like a pretty slick way to be able to use the ubiquitous 60 cell panels in small systems, if the controllers are quality. Any

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

potential. Thanks again. Luke Christy NABCEP Certified PV Installation Professional™: Certification #031409-25 NABCEP Certified Solar Heating Installer™: Certification #ST032611-03 CoSEIA Certified PV Installer Solar Gain Services, LLC PO Box 531 Monte Vista, CO. 81144 sgsrenewab

Re: [RE-wrenches] Oil Heating/ Solar Thermal

to heat a specific volume of oil to a given temperature vs. heating the same volume of water. How much oil needs to be heated on a daily basis? Seems like it could be a lot if the application is for an asphalt plant. -Luke Christy NABCEP Certified PV Installation Professional™: Certification

[RE-wrenches] Hidden freight damage

you've examined all the contents of the packages (this is a logistical nightmare in most cases)? Do you just chalk it up to the cost of doing business and/or make claims to your commercial insurance? Would appreciate your thoughts / experiences with this issue. Thanks. - Luke Luke Christy

Re: [RE-wrenches] Hidden Freight Damage

will actually sign for the item. Of course, with this latest broken shipment, the disclaimer didn't get on the BOL. Thanks again. May all your pallets arrive intact. -Luke Luke Christy NABCEP Certified PV Installation Professional™: Certification #031409-25 NABCEP Certified Solar Heating Installer

Re: [RE-wrenches] controllers

-46# 974647 (530) 410-4745 Cell (530) 241-7498 Office (530) 348-5301 Fax ja...@westcoastsustainables.com Luke Christy NABCEP Certified PV Installation Professional™: Certification #031409-25 NABCEP Certified Solar Heating Installer™: Certification #ST032611-03 CoSEIA Certified PV

Re: [RE-wrenches] Solar DHW

/ 6544 fax www.frenergy.net Luke Christy NABCEP Certified PV Installation Professional™: Certification #031409-25 NABCEP Certified Solar Heating Installer™: Certification #ST032611-03 CoSEIA Certified PV Installer Solar Gain Services, LLC PO Box 531 Monte Vista, CO. 81144 sgsrenewab

Re: [RE-wrenches] Corrugated Roof Brackets

of the four mounting holes often necessitates some form of blocking. -Luke Luke Christy NABCEP Certified PV Installation Professional™: Certification #031409-25 NABCEP Certified Solar Heating Installer™: Certification #ST032611-03 CoSEIA Certified PV Installer Solar Gain Services

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

the manufacturer? I appreciate both your and Jarmo's comments about the safety concerns with this rapidly evolving technology. Feeling good about the long term safety of a large RE-scale Li-ion battery pack for my customers has been a major stumbling block for me thus far. Thanks, -Luke Luke Christy

Re: [RE-wrenches] Apprentice interview

a problem, as well as willingness/desire to learn new skills and improve the skills one already has. It doesn't seem like it's asking too much to find someone with those abilities, but it sure is rare to come across. -Lukw Luke Christy NABCEP Certified PV Installation Professional™: Certification

Re: [RE-wrenches] Question on Back up generators

generator in a non-standby situation, who is at risk of getting fined? Surely not the property owner… And how could that possibly be enforced? Best, -Luke Luke Christy NABCEP Certified PV Installation Professional™: Certification #031409-25 NABCEP Certified Solar Heating Installer

Re: [RE-wrenches] #2 -#8 AWG Crimpers

Kirpal, Glad to help. By the way, I just realized that I completely butchered your name in my earlier post…My apologies for that. Typing on a smartphone didn't help. -Luke On Jun 4, 2015, at 5:42 PM, Kirpal Khalsa solarwo...@gmail.com wrote: Luke, Mick Jay.Thank you for the feedback..I

Re: [RE-wrenches] #2 -#8 AWG Crimpers

/maillist.html List rules etiquette: www.re-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org Luke Christy NABCEP Certified PV Installation Professional™: Certification #031409-25 NABCEP Certified Solar Heating Installer™: Certification

Re: [RE-wrenches] #2 -#8 AWG Crimpers

Jay, I haven't checked there in a while but I just took a look. The crimper I'm talking about is identical to the Junior Crimper sold by Del City. -Luke On Jun 4, 2015, at 1:13 PM, Jay jay.pe...@gmail.com wrote: Have you checked Del City? Jay Peltz power Luke Christy NABCEP

[RE-wrenches] Voltage Degradation with Uni-Solar laminate

. Any experiences or opinions are appreciated. Thanks in advance. -Luke Luke Christy NABCEP Certified PV Installation Professional™: Certification #031409-25 NABCEP Certified Solar Heating Installer™: Certification #ST032611-03 CoSEIA Certified PV Installer Solar Gain Services, LLC PO

Re: [RE-wrenches] Voltage Degradation with Uni-Solar laminate

-60 as you are at only 142v. If it works better then a new higher voltage CC would be required for winter higher voc. Let us know what you find out. jay Luke Christy NABCEP Certified PV Installation Professional™: Certification #031409-25 NABCEP Certified Solar Heating Installer™: Certification

Re: [RE-wrenches] Voltage Degradation with Uni-Solar laminate

better then a new higher voltage CC would be required for winter higher voc. Let us know what you find out. jay Luke Christy NABCEP Certified PV Installation Professional™: Certification #031409-25 NABCEP Certified Solar Heating Installer™: Certification #ST032611-03 CoSEIA

Re: [RE-wrenches] Voltage Degradation with Uni-Solar laminate

Journeyman Electrician Founder (Retired), Positive Energy, Inc. 505 780-2738 cell On 5/31/2015 11:22 PM, Luke Christy wrote: Allen, With 8 modules in series I think I'll be looking at a Classic 250 for sure to be comfortable with winter morning VOC. I don't really know what kind of combiner

Re: [RE-wrenches] Voltage Degradation with Uni-Solar laminate

Larry, Thanks. This is helpful. I think it's pretty clear that this system should have been designed with at least 5 or 6 modules in series to keep the VOC higher, but that wasn't very feasible with the original controller when the system was installed 15 years ago. Still, it has worked pretty

Re: [RE-wrenches] Voltage Degradation with Uni-Solar laminate

Unfortunately I don't have easy access to a Curve Tracer. That would be nice for this situation though. -Luke On Jun 1, 2015, at 12:13 PM, Jerry Shafer jerrysgarag...@gmail.com wrote: Do you or anyone you know have a IR Curve tester Jerry Luke Christy NABCEP Certified PV Installation

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

to hear what others think about that last part, jay Luke Christy NABCEP Certified PV Installation Professional™: Certification #031409-25 NABCEP Certified Solar Heating Installer™: Certification #ST032611-03 CoSEIA Certified PV Installer Solar Gain Services, LLC PO Box 531 Monte Vista

Re: [RE-wrenches] Generac EcoGen Failure.

flew a tech to the Caribbean to service a commercial unit. > Now they just send them to me. > If I can assist you remotely I will. Send me an email off list with a full > description of the problem and I will see what I can do. > > > Luke Christy NABCEP Certified PV Installation

[RE-wrenches] Generac EcoGen Failure.

Hello Wrenches, I've installed quite a few of the small 6 kW Generac EcoGen units for my off-grid customers and have been pretty pleased with them…up to now. The 15kW EcoGen unit recently became available and I commissioned one last week for a nearby off-grid site. The generator ran fine the

Re: [RE-wrenches] DPW Rack Problems

These paint and fit issues have our experience as well. The last DP rack I took delivery of had every single piece of paper and foam packing material stuck in the paint. Even after careful cleaning it was still a mess. That kind of stuff and the ridiculous lead times are really making me want

Re: [RE-wrenches] off-grid propane tankless water heater advice

Hi Rebekah, Here in the mountains of Southern CO we work with tankless heaters a lot on off-grid systems. I know that you're trying to eliminate the phantom load of the electronically controlled heaters, but unless the application is for a seasonal cabin with a tiny PV system, I would get one

[RE-wrenches] HuP Conundrum

with careful charging and equalizing? What would you do? Thanks as always for opinions and advice. Luke Christy NABCEP Certified PV Installation Professional™: Certification #031409-25 NABCEP Certified Solar Heating Installer™: Certification #ST032611-03 Solar Gain Services, LLC PO Box

Re: [RE-wrenches] SIPS panel roofs

Hi Dana, We had to do this very thing for a project some years ago. I searched extensively for a product that could allow us to attach directly to the top skin of a SIP panel without having to use blocking or through fasteners. We ended up using an attachment made by EcoFasten Solar. It uses a

Re: [RE-wrenches] HuP Conundrum

Thanks Guys, for the feedback. I reduced the system to one string when I was on site, and it is maintaining, though the remaining "good" batteries had a lot of variance in the SG between cells. I don't think the cells in these particular batteries are removable (at least not by me), as the

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

; with Icynene. I took that to mean it doesn't adhere. Perhaps he > meant that it isn't as effective. > > Jason > > ​ Luke Christy NABCEP Certified PV Installation Professional™: Certification #031409-25 NABCEP Certified Solar Heating Installer™: Certification #ST032611-03

Re: [RE-wrenches] Battery Box Construction

the rigidity is coming from the angle and u-channels? What is the non-corrosive/conductive coating that you are using for metal pans (made of mild steel, I assume). Just curious. -Luke Luke Christy NABCEP Certified PV Installer™: Certification #031409-25 (Luke Christy) NABCEP Certified

Re: [RE-wrenches] SWRC50

org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > Luke Christy NABCEP Certified PV Installation Professional™: Certification #031409-25 NABCEP Certified Solar Heating Installer™: Certification #ST032611-03 Solar Gain Services, LLC PO

Re: [RE-wrenches] Inverter/AC pump compatibility question

Hi Allan, just to add to the testimony of others, I have several customers out there with 1990s era Trace DR inverters running SQ pumps and they seem to work fine. -Luke NABCEP Certified PV Installation Professional™: Certification #031409-25 NABCEP Certified Solar Heating Installer™:

Re: [RE-wrenches] Generac EcoGen problem

can run it on a temporary basis, but you will definitely want to get it fixed for the long term. -Luke Luke Christy NABCEP Certified PV Installation Professional™: Certification #031409-25 NABCEP Certified Solar Heating Installer™: Certification #ST032611-03 Solar Gain Services, LLC

Re: [RE-wrenches] Off-grid generator update?

Hi Wrenches, I have been following this thread with interest ever since Lena started it a few days ago. I don't have a whole lot to add but I thought I would chime in. I struggle with the same issues I've heard from others on the list of needing good quality, smaller (8-15kW) generator

Re: [RE-wrenches] Amphenol and MC4 crimper

of the Rennsteig tool but it crimped fine and seemed like it would have decent life for the money. -Luke Luke Christy NABCEP Certified PV Installation Professional™ NABCEP Certified Solar Heating Installer™ Solar Gain Services, LLC PO Box 531 Monte Vista, CO. 81144 sgsrenewab...@gmail.com

Re: [RE-wrenches] Cell Cracks

with these modules at all. -Luke Christy NABCEP Certified PV Installation Professional™: Solar Gain Services, LLC PO Box 531 Monte Vista, CO. 81144 sgsrenewab...@gmail.com <mailto:sgsrenewab...@gmail.com> 719.588.3044 www.sgsrenewables.com <http://www.sgsrenewables.com/> > > Hi

Re: [RE-wrenches] Conext Gateway Control

for a return visit to the site. Perhaps someone else has some insight? I’m glad to know that this may be a larger issue. -Luke Luke Christy NABCEP Certified PV Installation Professional > On Jan 31, 2020, at 07:10, Mac Lewis wrote: > >  > Hi Wrenches, > > I am work

Re: [RE-wrenches] Another pump quesiton

now with no issues, so the quality seems pretty decent. Luke Christy Renewable energy consultant NABCEP Certified PV Installation Professional™: Solar Gain Services, LLC PO Box 531 Monte Vista, CO 81144 sgsrenewab...@gmail.com 719.588.3044 > On Sep 14, 2020, at 21:49, Howie Michael

Re: [RE-wrenches] Sol-Ark 12k w/ Generac Transfer Switch

is triggered by a simple two-wire start signal from the transfer switch board. Luke Christy Renewable energy consultant. NABCEP Certified PV Installation Professional™: Solar Gain Services, LLC PO Box 531 Monte Vista, CO. 81144 sgsrenewab...@gmail.com <mailto:sgsrenewab...@gmail.com> 719.58

Re: [RE-wrenches] Ferrules crimps

silly nonsense-brands on Amazon. I recently upgraded to a Rennsteig automatic crimping tool and it’s very smooth and nicely made. It adjusts automatically up to #6AWG, though one has to fiddle with the tension lever a little bit to keep from crimping too deeply on smaller ferrules. Luke

Re: [RE-wrenches] Small diesel generator

, and there is the whole issue of it coming mounted on a small trailer with lights. But some customers like that sort of thing, and it’s pretty straightforward to set up a generator controller for 2-wire start capability. Luke Christy Renewable energy consultant. NABCEP Certified PV Installation

Re: [RE-wrenches] Generator recommendation request

with Kohler. Luke Christy Renewable energy consultant. NABCEP Certified PV Installation Professional™: Solar Gain Services, LLC PO Box 531 Monte Vista, CO. 81144 sgsrenewab...@gmail.com <mailto:sgsrenewab...@gmail.com> 719.588.3044 > On Oct 15, 2021, at 4:37 PM, Sindelar Sol

[RE-wrenches] Whisper 200 replacement options?

manufacturers are now out of business and the options are few. Any advice on where to look and what might be good replacement options for this fellow? Thanks in advance! Luke Christy Renewable energy consultant. NABCEP Certified PV Installation Professional™: Solar Gain Services, LLC PO Box 531

Re: [RE-wrenches] LiFePo4 and FNDC

reach out off list if I can be of more assistance. -Luke Christy Renewable energy consultant. NABCEP Certified PV Installation Professional™: Solar Gain Services, LLC PO Box 531 Monte Vista, CO. 81144 sgsrenewab...@gmail.com <mailto:sgsrenewab...@gmail.com> 719.588.3044 > On Dec 1

Re: [RE-wrenches] Monitoring on Remote Sites

equipment anymore, since their 202 replacement is 5Ghz only. > Cheers, > Dave > > On Mon, Mar 14, 2022 at 2:28 PM Luke Christy <mailto:sgsrenewab...@gmail.com>> wrote: > Adam, > I would second Dave’s suggestion to use wireless bridges for this application > -if hardwired

Re: [RE-wrenches] Monitoring on Remote Sites

versions are available with longer range and more features but I have found the Litebeam M5 is very affordable and works well for most shorter-range applications. Luke Christy Renewable energy consultant. NABCEP Certified PV Installation Professional™: Solar Gain Services, LLC PO Box 531 Monte

Re: [RE-wrenches] Hawaii projects

I would recommend Doug Phillips of Solar Plus Kauai as well. I have  interfaced with him extensively as a client rep on a large ESS project in Kauai and he has been both extremely professional and an all around good person to work with.Luke ChristyRenewable energy consultantNABCEP Certified PV

[RE-wrenches] Insurance for consulting.

if anyone has advice/or comments on their experience with these issues. If you’ve had positive experience with a particular underwriter or insurance company for solar consulting work, that would be information I’d love to hear. This is probably a reply-off-list topic. Thanks in advance. Luke

Re: [RE-wrenches] Insurance for consulting.

Thanks Chris. Appreciate the info. > On Jun 27, 2022, at 6:15 AM, Christopher Warfel via RE-wrenches > wrote: > > Try Brown and Brown. They are who we use. Chris > On 6/24/2022 11:48 AM, Luke Christy via RE-wrenches wrote: >> Hi Wrenches, >> Like many of you,

Re: [RE-wrenches] WATER COOLED - 1800 RPM - 13KW GENERATORS INQUIRY

Hi Dana, Following up on this, I would certainly be interested. We are a small shop but I typically sell and install 5-8 generators per year. These are almost always Kohler 3600rpm 14kW units, so a 13 kW low speed unit would be welcome as an option. Thanks! > On Jun 30, 2022, at 12:01 PM,

Re: [RE-wrenches] Magnum Inverters

Hi Jeremy, Check with Zonna Energy in PA. I use them for almost all of my off-grid equipment now and have been very happy with the service and pricing. They normally stock Magnum equipment but I have not checked on inverters in a while. Luke Christy 719-588-3044 sgsrenewab...@gmail.com