Re: [RE-wrenches] Plaques

ck out or update participant bios: http://www.members.re-wrenches.org -- Christopher Warfel           ENTECH Engineering Inc.    PO Box 871, Block Island, RI 02807               401-477-5773 EE Logo <https://entech-engineering.com/Home/default.php> BEGIN:VCARD VERSION:4.0 N:Warfel;Christo

Re: [RE-wrenches] Insurance for solar design and inspections

for searching. When one doesn't work, try the other: https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.

Re: [RE-wrenches] Fwd: Re: Cantilevered array

Sims Https://EcologicalSystems.org 732-462-3858 On Jan 19, 2024, at 3:09 PM, Christopher Warfel via RE-wrenches wrote: I've done a fair amount of roof mounted solar structural compliance, and I would say that the cantilevered design looks like a disaster waiting to happen. You could not

Re: [RE-wrenches] USDA Rural Development fund

ive.com/re-wrenches@lists.re-wrenches.org/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                

Re: [RE-wrenches] Line Side Tap

te: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engi

Re: [RE-wrenches] Record Low

renches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                          

[RE-wrenches] Heliene 66M HJT All Black Module 360 or 370 watt module

/I have had one of these break and I am wondering if anyone has one for sale or knows who is caring them. I have struck out over the past two weeks. Please contact me off list. Thank you for any help. Chris /BEGIN:VCARD VERSION:4.0 N:Warfel;Christopher;;; TEL;VALUE=TEXT:401-447-5773 (c)

Re: [RE-wrenches] Battery balancers

List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 40

Re: [RE-wrenches] active vs apparent power readings with solar

m Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> BEGIN:VCARD VERSIO

Re: [RE-wrenches] Truss finder

/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 028

Re: [RE-wrenches] Sol-ark without batteries

List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978

Re: [RE-wrenches] Attaching Array To or Through Ply

Certified Solar Contractor CVC56956 On Thu, Mar 30, 2023 at 7:35 AM Christopher Warfel via RE-wrenches wrote: If you look at FEMA's design guide for solar installations in FL and the Caribbean, the recommended module to rail attachment method is back to using the attachment holes

Re: [RE-wrenches] Attaching Array To or Through Ply

ches-re-wrenches.org There are two list archives for searching. When one doesn't work, try the other: https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiq

Re: [RE-wrenches] Attaching Array To or Through Ply

or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> BEGIN:VCARD VERSION:4.0 N:Warfel;Chri

Re: [RE-wrenches] Fire fighters

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[RE-wrenches] Clearing out equipment

ce.  Chris --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> BEGIN:VCARD VERSION:4.0 N:Warfel;Christopher;;; TEL;VALUE=TEXT:401-447-5773 (c) N

Re: [RE-wrenches] Remote battery disconnects

by Redwood Alliance Pay optional member dues here:http://re-wrenches.org List Address:RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org There are two list archives for searching. When one doesn't work

Re: [RE-wrenches] Solar and tenant billing

heck out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> BEGIN:VCARD VERSION:4.0 N:Warf

Re: [RE-wrenches] Remote battery disconnects

81240 Sent by Jeremy's iPhone. Sorry for typos and shorthand. On Jan 28, 2023, at 7:28 AM, Christopher Warfel via RE-wrenches wrote:  Seems confusing that the AHJ is requiring a disconnect

Re: [RE-wrenches] Remote battery disconnects

.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466

Re: [RE-wrenches] Remote battery disconnects

e-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> BEG

Re: [RE-wrenches] Low Frequency transformer off-grid inverter options

or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> BEGIN:VCARD VERSION:4.0 N:Warfel;C

Re: [RE-wrenches] Utility transformer limitations

bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> BEGIN:VCARD VERSION:4.0 N:Warfel;Christopher;;; TEL;VALUE=TEXT:4

Re: [RE-wrenches] Utility transformer limitations

ther: https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --        

Re: [RE-wrenches] SolArk and Tigo compatibility

that would take three disconnects I think. One for the AC utility interconnection, one for the Tigo transmitter, and one for pin 11/12.  Thank you to everyone.  Have a peaceful Thanksgiving.  Chris --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island

Re: [RE-wrenches] SolArk and Tigo compatibility

power supply because we were using Tigo optimizers, CCA and TAP. Best regards, Lloyd Get Outlook for iOS <https://aka.ms/o0ukef> *From:* RE-wrenches on behalf of Christopher Warfel via RE-wrenches *Sent:* Friday, No

Re: [RE-wrenches] SolArk and Tigo compatibility

in the inverter with no issues, Now with that connecting to the output side it would do much the same work until it did not then shut off the modules. Fun times On Wed, Nov 16, 2022 at 6:33 AM Christopher Warfel via RE-wrenches wrote: Hi, We are doing our first system

Re: [RE-wrenches] SolArk and Tigo compatibility

, at 4:33 AM, Christopher Warfel via RE-wrenches wrote:  Hi, We are doing our first system with these two devices. The inverter is SolArk 12P (mutimode) and the Tigo product for RS is the TS4F.  Tigo has me a little bit walking in circles. I told them that SolArk say

Re: [RE-wrenches] SolArk and Tigo compatibility

Energy Services (RES), Inc. Mobile: _808-938-9239 <http://808-938-9239/>_ www.renewablenergy.com <http://www.renewablenergy.com/> On Nov 16, 2022, at 4:33 AM, Christopher Warfel via RE-wrenches wrote:  Hi, We are doing our first system with these

[RE-wrenches] SolArk and Tigo compatibility

of the SolArk manual that says not to do that. At this point, I am asking anyone on the list to let me know how they wired the transmitter successfully. Thank you for any guidance, Chris Warfel --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block

Re: [RE-wrenches] "Qualified solar electric property"?

update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> _

Re: [RE-wrenches] Need two wire submersible cable

//lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Bl

Re: [RE-wrenches] Butt End Connector Warning

--             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> ___ List sponsored by Redwood Alliance Pay optional member dues here

Re: [RE-wrenches] Old Solar Modules

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[RE-wrenches] Converting Enphase systems to ac coupled multimode systems

, etc systems and have had good experiences.  Would anyone care to share their experience with Mojave?  Thank you, Chris cwar...@entech-engineering.com --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807

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

.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engin

Re: [RE-wrenches] Insurance for consulting.

te participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> __

Re: [RE-wrenches] DC SHW pumps

heck out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://e

[RE-wrenches] Availability of 320 watt modules

you for any assistance. Chris --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> ___ List sponsored by R

Re: [RE-wrenches] Sol-Ark install

http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> ___ List sponsored by Re

Re: [RE-wrenches] Mate3s hangups

the data OK to OpticsRE.  Which Hub do you have?  Mate 3s needs to be paired to a Hub 10.3.  Also, you may try changing ports in the Hub and of course cables. Good luck On Fri, Feb 18, 2022 at 6:10 AM Christopher Warfel wrote: We are having our own issues with one project that we just

Re: [RE-wrenches] Rapid Shutdown for Off-grid systems

& etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978

Re: [RE-wrenches] Rapid Shutdown for Off-grid systems

one doesn't work, try the other: https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrench

Re: [RE-wrenches] Enphase Envoy -Microinverters not reporting

tte: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://e

Re: [RE-wrenches] BP HI / Namaka with Sol-ark inverters

out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> ___

Re: [RE-wrenches] Enphase Monthly Reporting Software Update Remove Site ID in Subject Line?

986315 *From:* RE-wrenches on behalf of Christopher Warfel *Sent:* Thursday, October 28, 2021 7:16 AM *To:* re-wrenches@lists.re-wrenches.org *Subject:* [RE-wrenches] Enphase Monthly Reporting Software Update Remove Site ID in Subjec

Re: [RE-wrenches] Rapid Shutdown Control for a System for a Multimode System Adding an Array to a Subpanel in Garage - Update

PM, Christopher Warfel wrote: Thanks to everyone, the setting I had said AC coupling No. I did not realize that a firmware upgrade could enable that.  I think it is best to try frequency shift for this particular case.  Thanks again to everyone.  Chris On 11/24/2021 12:38 PM, Tuss, Lones wrote

Re: [RE-wrenches] Rapid Shutdown Control for a System for a Multimode System Adding an Array to a Subpanel in Garage

Behalf Of *Christopher Warfel *Sent:* Tuesday, November 23, 2021 9:40 AM *To:* August Goers ; RE-wrenches *Subject:* Re: [RE-wrenches] Rapid Shutdown Control for a System for a Multimode System Adding an Array to a Subpanel in Garage *CAUTION:*This email originated from o

Re: [RE-wrenches] Rapid Shutdown Control for a System for a Multimode System Adding an Array to a Subpanel in Garage

down to the sub it ties into. You could also use a shunt trip breaker(s) for the PV circuit(s). If for some reason you need to have the RSID on the main house, it gets trickier. Might need to trench? August Luminalt On Tue, Nov 23, 2021 at 7:24 AM Christopher Warfel wrote: I would

[RE-wrenches] Rapid Shutdown Control for a System for a Multimode System Adding an Array to a Subpanel in Garage

. We just want to disconnect the microinverter circuit in the garage subpanel. Does anyone know of a product that could do this. I would imagine a transmitter, or perhaps something else besides a microinverter array? Thanks for any help. Chris --             Christopher Warfel

Re: [RE-wrenches] Florida Solar Roof Truss Affidavit - origins and applicability

ches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> ___ List sponsored by Redwood Alliance Pay optional member d

[RE-wrenches] Enphase Monthly Reporting Software Update Remove Site ID in Subject Line?

nphase was in charge of this, but they would not provide contact information because "He does not interact with customers." Chris Warfel --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                              

Re: [RE-wrenches] Central Hudson Meter Pans?

://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel    

Re: [RE-wrenches] Exploding RSD

ches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> ___ List sponsored by Redwood Alliance Pay optional member dues h

Re: [RE-wrenches] Exploding RSD Unit

istserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org There are two list archives for searching. When one doesn't work, try the other: https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-w

Re: [RE-wrenches] Exploding RSD Unit

nal http://www.solarenergy.org <http://www.solarenergy.org> SEI Professional Services http://www.seisolarpros.com <http://www.seisolarpros.com> On Sun, Aug 29, 2021 at 5:28 AM Christopher Warfel <mailto:cwar...@entech-engineering.com>> wrote: Brian, I think you serv

Re: [RE-wrenches] Exploding RSD Unit

t;http://www.solarenergy.org> SEI Professional Services http://www.seisolarpros.com <http://www.seisolarpros.com> On Sun, Aug 29, 2021 at 5:28 AM Christopher Warfel <mailto:cwar...@entech-engineering.com>> wrote: Brian, I think you serve on a CMP.  (if not, anyone with knowle

Re: [RE-wrenches] Exploding RSD Unit

the other: https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Chris

Re: [RE-wrenches] Exploding RSD Unit

/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island,

[RE-wrenches] Tigo Rapid Shutdown equipment

you can relay. Chris --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> ___ List sponsored by R

[RE-wrenches] Enphase Battery Storage System Opinion

--             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                                 401-466-8978 <http://entech-engineering.com> ___ List sponsored by Redwood Alliance Pay optional member dues here: htt

Re: [RE-wrenches] SHW?

-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807                        

Re: [RE-wrenches] Residential tax credit

272-0004 On Tue, Mar 16, 2021, 10:39 AM Christopher Warfel <mailto:cwar...@entech-engineering.com>> wrote: The credit does not need to be taken in one year. It can be spaced out over successive years.  Chris On 3/15/2021 3:55 PM, drake.chamber...@redwoodalliance.org <

Re: [RE-wrenches] Residential tax credit

Electric LLC Ohio Electrical Contractor’s License 44810 CO Master Electrician’s License 4526 NABCEP Certified PV Installation Professional athens-electric.com --             Christopher Warfel                 ENTECH Engineering, Inc. PO Box 871, Block Island, RI 02807

Re: [RE-wrenches] home energy monitors

s.re-wrenches.org/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org --             Christopher Warfel                 ENTECH Engineer

Re: [RE-wrenches] Supply side denial

CMP-4 strikes again!   That one is pretty obvious.  Accessible battery disconnect requirement no so much.  Christopher Warfel On 10/28/2020 12:40 PM, Brian Mehalic wrote: There's very "territorial" language in the 2020 NEC 705.11(D): "For meter socket enclosures or other

Re: [RE-wrenches] Supply side denial

I would think that would be illegal.  They don't have jurisdiction on supply side taps. It's past the meter, and expressly allowed in the NEC.  I would definitely first ask to talk to a higher level person than the one denying it (paper trail important). If that does not work, then the PSC is

Re: [RE-wrenches] Sound Equipment Inverter

Ray, we use Samlex on our oyster farm.  We have a 24 Volt system which powers pumps and an oyster sorter. The sorter takes 240 and transforms to 208.  We have not had any issues except that we sometimes have to turn off the inverter and then back on to energize.  The GFI is also a little

Re: [RE-wrenches] Cedar Shake roofs

This can be a tricky installation as the shingle has a bevel that asphalt does not.  Quickmount just uses a larger flashing piece to my memory, which is not very helpful.  Chris Warfel On 10/20/2020 7:24 AM, Howie Michaelson wrote: Hi all, Does anyone have any experience mounting on a roof

Re: [RE-wrenches] Enphase Raw Q Cable

You can use UF. It's rated for 60F terminals so you need to use that column in your ampacity calculations. There are some good occasions to use it. Chris On 10/8/2020 11:33 AM, Drake wrote: Is there any reason we can't use sunlight resistant UF cable? Drake Chamberlin /Athens Electric LLC OH

Re: [RE-wrenches] Another pump quesiton

experience using Hartel brand brushless DC circulation pumps on my home's solar hot water system. Todd On September 17, 2020 11:06:33 AM Christopher Warfel wrote: I would look at the pump that Thermodynamics LTD of Canada sells.  Pretty bullet proof in my experience of 20 years of installing

Re: [RE-wrenches] Another pump quesiton

I would look at the pump that Thermodynamics LTD of Canada sells.  Pretty bullet proof in my experience of 20 years of installing their products.  Don't deal with the people in VT. Call the business in Dartmouth Nova Scotia, eh?   Laing are expensive but very reliable. March is not great for

[RE-wrenches] Oversized meter enclosure for line side connection recommendation

Hello Wrenches. Does anyone have a recommendation for an oversized utility meter enclosure that would provide sufficient space for a line side tap?  It would be 6AWG from the PV system tapping into 2AWG Service Entrance Conductors.  Thank you for any recommendations.  Chris

Re: [RE-wrenches] Rapid Shutdown Compliance

n the MLPE manufacturer's profit. -James Jarvis APRS World, LLC +1-507-454-2727 http://www.aprsworld.com/ On Thu, May 7, 2020 at 8:43 AM Christopher Warfel <mailto:cwar...@entech-engineering.com>> wrote: I believe Rapid Shutdown was mostly a solution looking for a problem.  

Re: [RE-wrenches] Rapid Shutdown Compliance

I believe Rapid Shutdown was mostly a solution looking for a problem.   The only way I see this becoming "reasonable" is to present "grievances" to the Code Making Panel WITH a solution for their consideration.  Based on experience from being part of an outreach program that taught

Re: [RE-wrenches] Rapid Shutdown for Ground Mounted Multimode (Battery) Inverters

, protective panels or fencing. Ray Walters Remote Solar 303 505-8760 On 2/13/20 1:56 PM, Christopher Warfel wrote: Ray, I spent a bit of time today with a person who inspects for several state renewable energy programs and to summarize, this person said the opposite of what you said, and finish

Re: [RE-wrenches] Rapid Shutdown for Ground Mounted Multimode (Battery) Inverters

2020 13:07:53 -0500, Christopher Warfel wrote: I got involved in a long discussion on Rapid Shutdown compliance for battery multimode, grid interconnect inverters that have a ground mounted array.  At one point, ground mounted array was not supposed to be subject to Rapid Shutdown unless ther

[RE-wrenches] Rapid Shutdown for Ground Mounted Multimode (Battery) Inverters

I got involved in a long discussion on Rapid Shutdown compliance for battery multimode, grid interconnect inverters that have a ground mounted array.  At one point, ground mounted array was not supposed to be subject to Rapid Shutdown unless there were dc conductors on the building.  NEC 2017

Re: [RE-wrenches] Solar set backs

The setbacks you noted are similar to those in NY.  There are exceptions to the setbacks based upon alternative access to the roof.  These are amendments to the NY Building Code, which amended the IBC/IFC regarding this aspect of solar installations.  Email me off list if you would like slides

Re: [RE-wrenches] NEC 2020 not available as a portable PDF?

edition are available in a digital format. image.png August Luminalt On Wed, Jan 8, 2020 at 12:35 PM Christopher Warfel mailto:cwar...@entech-engineering.com>> wrote: Wrench

Re: [RE-wrenches] NEC in PDF format not availaible for 2020

I think that once a building code is adopted it must be made available at no charge. You bring up a good point.  The NEC is incorporated into many state's and the International Code.  Why can they charge for all access?   Chris On 1/8/2020 6:36 PM, William Miller wrote: Friends: I find the

[RE-wrenches] NEC 2020 not available as a portable PDF?

Wrenches, I was told that the NEC 2020 will not be available as a file. You can only access on line, or via the book.  Has anyone confirmed this?  It seems pretty certain.   How many times is one out in the field and needs to reference the NEC?  Now to do so, you will need the book or a

[RE-wrenches] Extending Enphase WiFi Range

We have a Enphase ground mounted system that is 100 ft from the home.  The home's WiFi signal dies out about 10 from the Envoy's signal.  Has anyone had success extending the range of the either the home's or Envoy's range.  I have tried various range extenders and none have made any

Re: [RE-wrenches] need for outdoor DC disconnect

If you want to bring it up to 2017, you would need RS. It would be very expensive to retrofit this project to shut down within the 2017 boundary limits of one foot or less depending upon technology being used. If you are not changing anything on the roof, you won't be 2017 compliant.  I am

Re: [RE-wrenches] Residential tracker that has horizontal axis in east-west orientation? Problem appears solved

hese units have the manual track mode also, right? Dave Angelini Offgrid Solar "we go where powerlines don't" http://members.sti.net/offgridsolar/ e-mail offgridso...@sti.net text 209 813 0060 On Thu, 5 Sep 2019 07:52:11 -0400, Christopher Warfel wrote: I wanted to follow up on the is

Re: [RE-wrenches] Residential tracker that has horizontal axis in east-west orientation? Problem appears solved

? Dave Angelini Offgrid Solar "we go where powerlines don't" http://members.sti.net/offgridsolar/ e-mail offgridso...@sti.net text 209 813 0060 On Thu, 5 Sep 2019 07:52:11 -0400, Christopher Warfel wrote: I wanted to follow up on the issue I had previously posted. We installed two

[RE-wrenches] Residential tracker that has horizontal axis in east-west orientation? Problem appears solved

I wanted to follow up on the issue I had previously posted. We installed two ArrayTech trackers at different sites in the unconventional east-west orientation. One worked well and one operated so that it was not facing south very often.  Kyle was able to guide me through some troubleshooting

Re: [RE-wrenches] Percent of DC capacity that is inverted to AC kWh?

nd conditions of any Confidentiality Agreements and/or Non-Disclosure Agreements in effect between our respective parties. On 8/28/19 8:31 AM, Christopher Warfel wrote: Hi Dan, Sorry for the confusion. Maybe an example would help.  Take a 2000 w dc multimode system that is coupled with a 3600 w ac

Re: [RE-wrenches] Percent of DC capacity that is inverted to AC kWh?

Hi Dan, Sorry for the confusion. Maybe an example would help.  Take a 2000 w dc multimode system that is coupled with a 3600 w ac rated multimode inverter.  What percentage of the dc capacity is inverted into ac capacity.  So, roughly 2000 x .9 (wiring and similar losses from array to

[RE-wrenches] Percent of DC capacity that is inverted to AC kWh?

We reached the cap for the utility where we work for renewable energy interconnection until there is Rhode Island State legislative action to raise the cap.  I am going through the utility records as they are not completely accurate. Does anyone know of a reference that can point to what

Re: [RE-wrenches] Residential tracker that has horizontal axis in east-west orientation?

ue, 27 Aug 2019 07:35:53 -0400, Christopher Warfel wrote: Hi Dave, I am looking for a tracker that the horizontal "tube" runs east west, so that the modules, when placed in portrait mode, are facing south and will adjust their tilt angle based upon mostly by the season. They have it so the

Re: [RE-wrenches] Residential tracker that has horizontal axis in east-west orientation?

away from manual adjustments. On 8/27/2019 9:36 AM, Jay wrote: Hi Chris, Can you bypass the automatic control and just make it manual tilt control? Jay On Aug 27, 2019, at 4:35 AM, Christopher Warfel wrote: Hi Dave, I am looking for a tracker that the horizontal "tube" runs

Re: [RE-wrenches] Residential tracker that has horizontal axis in east-west orientation?

e Angelini Offgrid Solar "we go where powerlines don't" http://members.sti.net/offgridsolar/ e-mail offgridso...@sti.net text 209 813 0060 On Mon, 26 Aug 2019 09:33:01 -0400, Christopher Warfel wrote: Not too long ago there were postings about residential trackers. I put in a plug fo

[RE-wrenches] Residential tracker that has horizontal axis in east-west orientation?

Not too long ago there were postings about residential trackers. I put in a plug for Array Tech, but we are having a very hard time with getting information on the controller and how to get it to work for our case. I have moved the sensor every which way but pointing down... Their

Re: [RE-wrenches] 30 amp disconnect/40 amp breaker

Not going through the NEC, but it doesn't make sense to me to put in an OCPD greater than the rating of the switch.  I am sure you can find in the spec sheet what the maximum OCPD allowed is. Chris On 8/21/2019 6:12 PM, Greg wrote: Fellow Wrenches,  I'm having a discussion with a utility

Re: [RE-wrenches] Generac Warranty claim ECOGEN 15k

We will not use Ecogen. They don't know how to troubleshoot their own equipment, cannot connect it properly to solar systems, lie to their customers which comes back on us, and are generally a really bad company to deal with. There are far better and smarter ones out there.  At least that's

Re: [RE-wrenches] Enphase and Tesla Powerwall

Most people I have communicated with say the Tesla battery solution is extremely hard to obtain, and there are other options out there.  Tesla never responded to any of my inquiries. Does Enphase even have a battery option that they sell?   My vendor says no, yet that seem to surprise the

Re: [RE-wrenches] Consolidating meters

to this message and follow with its deletion, so that we can ensure such a mistake does not occur in the future. On Fri, Jul 5, 2019 at 5:57 AM Christopher Warfel <mailto:cwar...@entech-engineering.com>> wrote: I used to work for a utility and it is utility dependent. The key

Re: [RE-wrenches] Consolidating meters

I used to work for a utility and it is utility dependent. The key I think is whether all the submetering customers are actually owned by the same entity.  For example, a commercial complex may have several building on site, each submetered.  The whole complex could be master metered at the

Re: [RE-wrenches] Residential tracker options

We have been installing ArrayTech. They have a 12 to 16 module single axis tracker that can be manually adjusted, or automatically adjusted.  I can send you pictures if you contact me off line.  Chris -- Original message-- *From: *ch...@oasismontana.com

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