Hialeah Meter has an online catalog and plenty of documentation
http://www.hialeahmeter.com/
Jim Duncan
NABCEP Certified Solar PV
Installer No.31310-57
TECL 27398
North Texas Renewable Energy
486 W.N. Woody Road
Azle Texas 76020
Since 1993
nt...@1scom.net
817.917.0527
www.ntrei.com
-Origina
Nick
We not only use roofing nails at the bottom corners of metal flashing but
sealant around the top and side edges of the face down side. It keeps
potential water seeping from uphill away from the lag penetration[s]. We
also seal around every shingle edge we pull up or trim off around the
flashin
Kelly
I'm sure there are other sources of UL certified grounding components but
ALT Fabrication is a full service manufacturer and distributor. At one time
they offered design services but I'm not sure if that's still available.
http://www.altfabrication.com/
Jim Duncan
NABCEP Certified Solar PV
I
Wrenches
And with any Fresnel-type lens, the focal length is very critical. Applying
the film directly to the cell would be better than sticking a full sheet
onto the glass since glass thickness will vary between module brands.
Jim Duncan
-Original Message-
From: re-wrenches-boun...@
Matt covered about everything but one question's left. Did the homeowner
have new decking installed prior to the new 3-tabs? If so, and if they
failed to leave a space between the 4x8 sheets of ply or OSB, the heat &
moisture can cause swelling that can buckle the edges of the wood. It can
pull na
For the first time since 2004 we got a residential PV red tag for non-listed
surge supressors. I just took them off and replaced them after we got the
green tag. Of course he also red-tagged the copper ground plate because it
was not thick enough. Go figure
Jim Duncan
North Texas Renewable Ene
Wrenches,
A SMA CD with their 2009-2010 product guide has a Sunny Backup Set listed.
It works with grid-battery systems and a genset but I cannot find any US
distributors that carry it. Couldn't find it on the SMA-America www site
either.
Does anyone know about its availability in the US? I'd lov
Dick
I did email SMA Monday & a reply followed your Wrench reply to my inbox this
afternoon.
As I suspected, they are not [yet] available in the states. It looks as
though one Sunny Backup will replace 2 Sunny Islands. Technologically it's
par for the course coming from SMA.
Maybe they are waiting
Owing to a strong lack of political correctness, I would point out the
obvious; Underwriters Labs decisions are strongly influenced by industries
that stand to financially benefit from UL rule making. Those component
manufacturers pay a lot to have their products listed. Who among us has not
grimac
The initial ARRA money, issued to states based on their population, was
released just about a year ago. The portion that came to Texas was ~$225
million, maximum grant amount was $2 million.
Of the 215 grant applications that made the final cut probably 95% were from
cities and ISDs. I had the good
The only potential problem I see might be from one unbalanced string,
shading for instance.
Otherwise the 4 <2%r strings feeding back thru a conductor with <1%r should
be no problem.
What could possibly go wrong
Jim
-Original Message-
From: re-wrenches-boun...@lists.re-wrenches.org
I have a customer with a set of 24 Concord PVX-6480s that have twice failed
during grid outages during the night. No large loads are on the critical
load panel and, since it's at night when they drop to 50% dod, I'm not sure
what's up with them. I plan on cleaning and retightning all the cable
conn
imit of their life. Replace em with flooded lead calciums and
your customers (and you) will be happy for 20+ years.
my .o2
Todd
On Sunday, October 3, 2010 9:28pm, "North Texas Renewable Energy Inc"
said:
I have a customer with a set of 24 Concord PVX-6480s that have twice
choice was the decision of the system owner."
Since when does the customer make these decisions?
Todd
On Monday, October 4, 2010 6:36am, "North Texas Renewable Energy Inc"
said:
Todd
I've heard the same arguement, as well as its inverse. The battery choi
and flooded work best in that use.
Later,
Bob Ellison
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of North Texas
Renewable Energy Inc
Sent: Monday, October 04, 2010 9:36 AM
To: RE-wrenches
Su
Here's their online catalog with part numbers.
http://commercecenter.keeklamp.com/Main.asp
Jim Duncan
-Original Message-
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org]on Behalf Of jay peltz
Sent: Thursday, October 07, 2010 10:13 AM
To: R
Chris
You would need to use something like the Unirac Fast foot to attach your PV
standoffs. Fast foot uses multiple smaller gauge screws into the decking,
necessary since engineered beams are not able to provide the 4-5 inches of
solid wood needed for traditional lag bolts. The engineered beams yo
Benn
just bear in mind that any adjustment of the module height, must be
performed by turning a jam nut under the S5-PV clamps mounting surface and
will need to be done from below using an open-end wrench! If the ribs are
pretty level that may not be such a chore. But I've seen some pretty unlevel
MessageAfter re-reading your original letter Chris, it sounds like the roof
makeover hasn't happened yet. If that's the case suggest to the owner that,
based on the 100 years or so of combined professional experience of the PV
installer community, he should not use the engineered rafters or the 1/2
ge.
>
>
> Today's Topics:
>
>1. Re: VAWT recommendation (Dan Fink)
>2. Re: Mounting Enphase when using S-5-PV Clamps (benn kilburn)
>3. Re: The perfect solar ready roof (Hans Frederickson)
>4. Re: VAWT recommendation (Kelly Keilwitz, Whidbey Sun & Wind)
Phil hits the nail on the head, it sounds like we've both been down this
road. Problem is it's not always as simple as asking the roofers to do their
job your way when you are not signing their paycheck.
I contracted a metal roof PV installation a few years back but only got the
job on the conditio
Lee
I haven't tried rubber snakes but most living creatures are afraid of them.
You might give it a try.
Jim Duncan
**
Hi Wrenches,
My prospect has an existing problem with birds (black birds, pigeons,
and sparrows) nesting on their roof in every available nook and
cranny. They are conce
Vaseline will also flow into the cable strands, just like solder, coating
and protecting all the internal strands. Almost too hot to touch is plenty
hot enough to allow it to flow. Too hot and it burns.
Jim Duncan
-Original Message-
From: re-wrenches-boun...@lists.re-wrenches.org
[mailt
It's a bit of a long shot but consider that the last solar maximum was in
2000 ad. An 11 year cycle would put us right about in the middle of another
peak. Occasional rogue solar flares, like the one in 1989 that knocked out
the entire Quebec power grid and part of the NW US grid do appear and vani
S pire Industries, the robotic PV assembly company, makes clear backed
modules.
www.spirecorp.com
Jim Duncan
On Tue, Dec 14, 2010 at 5:30 PM, jay peltz wrote:
HI All,
Say I've got a client looking to do a clear backed module with a carport
idea.
Any systems out there ready to
We use Burndy Unitap clear connectors. Not because of price but because Summit
Electric keeps a large display in plain view of the will-call counter. Kind of
like candy bars at the supermarket checkout.
Jim Duncan
North Texas Renewable Energy
486 W.N. Woody Road
Azle Texas 76020
NABCEP Certifie
Jason
the Ejot Solar Fastener is designed for trapazoidal standing seam rib
profiles like you may be up against on this roof. The only drawback is that
the m8x1.25 [.312"] self-tapping lag standoffs are not self-drilling. This
makes for an extra step in the process requiring an aligned pi
Carl
just the suggestion that each metal roof panel be grounded is scary. There
are probably no panels in existence with manufacturer installed grounding
points potentially making any metal roof non-qualified for a PV installation
using S5 clamps.
This scenario was discussed a number of years ago o
How efficient is a capacitor in offsetting the power factor error? 99.9%...
±2%...?
Jim Duncan
-Original Message-
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org]on Behalf Of Exeltech
Sent: Sunday, January 09, 2011 9:03 PM
To: RE-
As long as different states take a different posture on regulating solar PV
businesses, a [voluntary] national certification will not be effective in
any state.
When the City of Austin Texas and Austin Energy began working on their PV
rebate, the City Attorney there made it clear that, to paraphra
Our first ever, since 2004, ahj red-tag for undersized meter wiring
motivated us to rewire that one and two more identical pending meters on
completed jobs. It's not that much more expensive and according to the meter
base label, it's code.
Still even though we got away with it all these years, if
At least that's the conclusion of Gottfried Wilhelm Leibniz.
"The largest difference of the [PV] plant yield was less than 6% for tilt
angles between 0° and 70°."
This begs the question, where did the notion that tilt to latitude is
critical come from. Surely NREL or someone else has tested this co
When four pallets of Spire 85W modules arrived at the job site in 2006, the
ranch manager there signed for them after counting them and only a cursory
look and walk around.
Turns out the very bottom module on one pallet had a slight, and almost
invisible scrape from [?] the forklift causing the gla
Wrenches
I am researching a GT PV installation to power an EV charging station at a
new car dealership nearby. After researching l-ion technology and charging
information on the www, I see that most references to l-ion and EVs in
general refer to battery capacity in kWh instead of Ah.
Is kWh the ne
Holt, the rule of thumb is equal parts pipe above and below ground. In your
case you might want to consider a large belled 36" diameter concreate pier
with a ring of oversized anchor bolts. The pole bottom would need a large
flange with very robust gussets. Extend that larger base, 6-8 feet up and
While the Appraisal Institute model is about the only widespread reference
point available, it too lacks strong credibility due to the perception that
it's out dated information and nothing else confirms its conclusion. Many in
the anti-RE realm point to the fact that F/F&FHA don't support the prem
Wrenches
have any wrenches used the Grace Solar mounting rail/clamp assembly? The
clamps are drop-in, like T-head bolts but clamp against both edges of the
rail. The rail allows the same clamps to attach on either the top edge or
side. Their www site didn't list any US distributors.
http://www.gra
August
it depends on which email program you use. With MS Outlook or Express, right
click on the specific email when it's highlighted. A menu appears with
'Options' or 'Properties'at the bottom. Click it and you get a jumble of
text that has 'from' listed somewhere. there it is, just highlight it a
Gives a whole new meaning to non-profit.
Jim
My favorite part was when the test results arrived by mail, it had a
postage due notice on it.
Had to pony up more $$ to tell if I passed or failed!!
Glenn Burt
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@li
Daryl, I haven't done it but have heard of using "U" bolts from below to 2X
rafters. Think 8 inch long muffler clamp with a metal flat drilled plate on
the top, the bottom coated with sealant & L foot held down by nuts on top.
Pullout strength is unlimited and a sturdy metal plate to attach to plus
YamahaGenerators.com EF2400iS-HC - Premium Inverter Generators -
Wrenches
after a brief search of roof-mount www sites I was not able to find a
taller aluminum L-foot than the standard 3 inch tall style. I recall that
Unirac makes a double wide one but about 2 inches taller would do the trick.
Dan
if I recall from my younger days as a wrench [car], star washers work properly
only when turned while being crushed. The rotation causes the tines to dig into
both surfaces and literally gouge out metal to lock itself in place.
Simply compressing a star washer between aluminum and a ground lu
Wrenches
I'm proposing a PV array on a metal building with L feet attached directly
thru the roof into the purlins. The plan is to use thread cutting SS bolts,
a minimum of ¼-28 pitch. The metal is 14 ga and will engage over 2 full
threads and because the array is only 2 landscape modules on NS ra
Re: [RE-wrenches] Air conditioning for batteries in highIt's the efficiency
of the chemical reaction that creates the loss. The electrolyte solution
cannot pull out nor put back the same amount of 'energy' in hotter or colder
conditions. When temperatures moderate, the chemical reaction returns to
Thomas & Betts has published an online "Analysis of NEC Code Changes 2011"
in pdf format that's available free to download from their www site. The new
code language is given along with an analysis of change and pictures of
qualifying T&B product line. They do note that it doesn't cover 100% of the
Wrenches
Multi Contact makes MC panel mount M & F receptacles but several of the
larger pv distributors don't offer anything but the cable mount variety on
their www catalogs. Where can these be ordered?
thanks as always
Jim Duncan
North Texas Renewable Energy
486 W.N. Woody Road
Azle Texas 76
OSHA compliant Wrenches
we're about to begin aPV installation along the lower edge of a 100 foot
long metal building. Because of skylights down the middle of the length of
the E-W roof we are forced to mount the southern-most row only about 5 feet
from the 20 foot high eave. Fortunately the slope
-Glenn Burt
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of North Texas
Renewable Energy Inc
Sent: Monday, May 02, 2011 12:57 PM
To: RE-wrenches
Subject: [RE-wrenches] Perimeter warning lines
OSHA compliant Wrenc
http://www.rwctesting.com/engine.htm
RWC carries refractometer type hydrometers that are much more accurate and
easy to read. SG reads 1 .100 to 1.400 in 0.01 increments, temp compensation
is automatic, F or C scale. Doesn't need to be flushed out after each use to
remain accurate and best of a
Wrenches braintrust,
I'm working up a bid for a battery/inverter powered series of "T8" style LED
4 foot lamp tubes. They use no starter or ballast but the effect from the
inverter waveform is what I'm in the dark about. I have a feeling that any
modified square wave might wreak havoc on the LED ci
The PPSI [Photon Photovoltaic Stock Index] in the magazines most recent
issue shows that the stock value of SolarWorld AG has dropped 51.6% since
Jan. 1, 2010. I'm sure this has something to do with the modules 'makeover'.
http://www.photon-magazine.com/
Jim Duncan
North Texas Renewable Energy
This article in the local paper sounds a little like potential trouble for
grid connected inverters. I looked around on the NERC www site without
finding the report mentioned. Any other wrenches seen anything about this
experiment?
Jim Duncan
By Seth Borenstein The Associated Press
WASHINGTON
I looked into OSHA certification several years ago through a local community
college. The class was, I believe $1,200.00 with a maximum of maybe 10-12
attendees. There was also the 30 hour class available; usually all classes
are thru 3rd party orgs like the CC district. The course is taught by an
Concrete, even when it's cured enough to be hard is still very high in water
content. Concrete exposed to open air won't cure/dry completely for decades.
This is why the NEC now recognizes the Ufer ground for the low impedance
connection that it offers for grounding properties. Unfortunately the
Seems as though a motivated Architect could order custom SIP panels with
dimensioned lumber ribs attached on the inside surface of the exterior roof
panel. It would allow for NS rows of attachments without puncturing the
envelope.
We priced SIP construction years ago and found that mfgrs can build
While the cost of PV has been driven down by worldwide demand for mW scale
installations, that lower cost benefit flows down to small installation too.
And the same is true with trackers. Huge increases in demand have driven
competition which has brought manufacturing costs down, which in return, h
People have been backfeeding thru their meters long before UL1749 came
along.
The meter mfgr probably has the standards that their design meets, including
UL, NEMA etc that will put any complaints to rest.
Jim Duncan
North Texas Renewable Energy
NABCEP Certified Solar PV
Installer No.031310-57
TE
What's your budget look like? Obviously standing seam metal is superior to
everything else. 3tab asphalt is not only a petro product but its texture
traps water and a lot never runs off to be collected. Wood shake too will
absorb water and is a good place for microscopic moss & other thingies to
g
James
It's hard to beat buried copper. At an array of 4-14 foot high trackers we
installed in 2005 we buried over 700 feet of bare copper in the same
trenches, a foot above the conduit runs. The ground was limestone so driven
rods were out of the question. There was also a Ufer ground to each 8 foo
Both SolaDeck or a weatherhead will work, I've used both. But if the array
is mounted to S5! clamps the roof owner may not want any penetrations. But
then they will have to deal with an unsightly conduit running across the
roof & around the eave.
Jim Duncan
-Original Message-
From: re-wr
Since your'e embedding galvanized anchors in concrete remember that corrsion
of the zink content in the hot dipped galv plating is worse the higher the
pH of the concrete during the curing process. Very high pH in wet cement is
normal.
If this is a large job you might want to check with the concre
OK you have been dollars ahead ever since you put the batteries back into
inventory. So sell him his batteries at the cost he paid you, charge the $20
core charge and you still come out ahead. Unless you had a big battery sale
on account of your good fortune, you're still dollars ahead in 2011.
With all due respect to your experience in California Joel, total
installations is not a very accurate indicator of ability in todays PV
industry imho. A good start is how many years have you been in the business,
really in the business. This does not include the PV pump in your koi pond
but real v
Wrenches
I got a call from a customer today whose tax preparer wants proof of ARRA
compliance for the modules we installed. The Evergreen www site, now largely
German in content, doesn't have a link to such an unnecessary document.
The mod spec sheet has a US flag and the old Mass. address but it m
Wrenches
I was just about to order a pallet of Yingli 255 modules and noticed the
spec sheet calls out Amphenol H3 connectors. I looked at the spare 230W
module in the shop from a July install and, just as I remembered, it had MC
connectors. So I looked at the latest 230W module spec sheet an
ARCO built the place in the early 80s because of the late 70s energy
crisis...
***
The response to the '70s energy crisis, though it was about oil, included
the formation of PURPA:
The Public Utility Regulatory Policies Act (PURPA) is a law, passed in 1978
by the United States Congress as
Wrenches
I was ready to order Enphase 215s with the MC4 connectors when I was told by
the distributor that these micros with the MC4 was for the Ontario FIT and
more expensive so I should go with the Anphenol H4 connectors on the US
version. I was leary of using different brands ever since I read
Anyone been able to lay their hands on a preliminary spec sheet for the new
SMA micro inverter?
Last Monday at the 2011 Texas Renewables annual meeting for TREIA.org,
Elie Nasr, SMA Dir of business development, was asked when the SMA micros
are coming to the US market. His reply was that they ar
You will need a fuse for each inverter for the same reason you would need a
fuse for 4 PV strings.
Jim Duncan
North Texas Renewable Energy
-Original Message-
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org]On Behalf Of Glenn Burt
Sen
I guess for every few hundred goofy ideas, a good one comes along.
http://www.ted.com/talks/john_la_grou_plugs_smart_power_outlets_1.html
Jim Duncan
North Texas Renewable Energy Inc
817.917.0527
nt...@earthlink.net
www.ntrei.com
- Original Message -
From: William Miller
To: RE
adin 4-jaw crimper only
goes up to #10.
The internal jumper makes an excellent connection to any number of dist blocks
using threaded rather than compression connections.
Alliedelec.com
400-0144 ferrule
889-1441 crimper
502-3240 internal jumper
502-3744 terminal blk
Jim Duncan
North Texas Re
e Delta
worked as it was intended. It's the only experience I can relate first-hand
I'm happy to say.
It will be interesting to hear what sort of results you come up with.
Jim Duncan
North Texas Renewable Energy Inc
817.917.0527
nt...@earthlink.net
www.ntrei.com
--- Original Mes
It was at the combiner below the ground mounted array and 50-60 feet from
the inverter.
Jim Duncan
North Texas Renewable Energy Inc
817.917.0527
nt...@earthlink.net
www.ntrei.com
- Original Message -
From: "boB Gudgel"
To: "RE-wrenches"
Sent: Friday, July 31,
recycling, or refurbishing, them.
Jim Duncan
North Texas Renewable Energy Inc
817.917.0527
nt...@earthlink.net
www.ntrei.com
- Original Message -
From: "Doug Wells"
To:
Sent: Monday, August 03, 2009 8:32 AM
Subject: [RE-wrenches] Broken Modules
Wrenches,
I am curious what other i
They just never give up.
Jim Duncan
North Texas Renewable Energy Inc
817.917.0527
nt...@earthlink.net
www.ntrei.com
- Original Message -
From: Keith Cronin
To: RE-Wrenches
Sent: Friday, August 21,
individual S5.
The MetlSpan ribs seem to be the same style and are mechanically crimped during
installation. I suspect they will have the same issues.
Jim Duncan
North Texas Renewable Energy Inc
817.917.0527
nt...@earthlink.net
www.ntrei.com
- Original Message -
From: Paul Lyons
North Texas Renewable Energy Inc
817.917.0527
nt...@earthlink.net
www.ntrei.com
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Drake Chamberlin
Sent: Monday, August 31, 2009 10:50 AM
To: RE-wrenches
Subject: [RE-wrenches] Instal
Carl
check out the Unirac Fast Foot.
http://www.unirac.com/pdf/fastfoot_install.pdf
Jim Duncan
North Texas Renewable Energy Inc
817.917.0527
nt...@earthlink.net
www.ntrei.com
***
- Original Message -
From: "Carl Adams"
To:
Sent: Tuesday, September 08, 2009 3:04
ng force as well as it
does for its normal horizontal dead-weight strength.
Any suggestions would be appreciated. This will be the first wall mounted
system I have tried so I want a no-regrets design even if it's a bit
overdesigned.
thx
Jim Duncan
North Texas Renewable Energy In
techsolar.com/page.php?sid=35
But your'e right, it ain't cheap since NASA was their primary customer for
decades. $60/W was never a problem.
Jim Duncan
North Texas Renewable Energy Inc
817.917.0527
nt...@eart
sharp drill bit.
my 2cts....
Jim Duncan
North Texas Renewable Energy Inc
817.917.0527
nt...@earthlink.net
www.ntrei.com
- Original Message -
From: "jay peltz"
To: "RE-wrenches"
Sent: Friday, October 23, 2009 10:18 AM
Subject: Re: [RE-wrenches] SS Tek Crews
HI Guys,
14-6 AWG lug. Those lugs are usually a poor fit on the smaller gauge
wires.
Me, I'm taking Thursday off
Jim Duncan
North Texas Renewable Energy Inc
817.917.0527
nt...@earthlink.net
www.ntrei.com
<>___
List sponsored by Home Power magazi
thought about it until
I read Dicks posting. It sounds like it's worth the investment for an
enclosed flooded battery enclosure where fumes will accumulate.
Jim Duncan
North Texas Renewable Energy Inc
817.917.0527
nt...@earthlink.net
www.ntrei.com
---
William
I'd be interested in including similar PE fee language in my proposals. If
you'd send that I would appreciate it.
I have only experienced a similar requirement once. In 2006 I was ordered to
include a PE report, to local bldg. code enforcement, on a fairly typical
residential PV install
Well that wasn't supposed to go out to the masses but...
So happy holidays anyway.
Jim Duncan
- Original Message -
From: North Texas Renewable Energy Inc
To: RE-wrenches
Sent: Friday, December 18, 2009 8:26 PM
Subject: Re: [RE-wrenches] Solar System Certification
Wi
and happy holiday weekend
Jim Duncan
North Texas Renewable Energy Inc
817.917.0527
nt...@earthlink.net
www.ntrei.com
All,
I'm a little late on this thread, but wanted to give some contrary
experience. We have, maybe, 15 BFS watering systems out there, dating back
5
to 6 years. Alt
Wrenches,
The front page of the vol 2 #12 issue of Solar Industry magazine is a very
candid article on micro inverters, primarily the Enphase. Enphase input
directed at installers may differ from their peer review simply because
other inverter mfgrs can dissect and test their competitors products t
Mick
if you are near a pretty thick edition of the yellow pages, you should be
able to find a listing for someone who does plastic vacuum molding or
prototype molding. The vacuum mold system is perfect for large
non-critically dimensioned and low production custom pieces of plastic.
The mold core w
Jeff
just last November I installed ~3 kW of Isofoton 150/24s that had been on a
pallet in the back of the shop for several years. After asking around I
found that other Texas installers had only put up a few arrays before the
Spanish based company pulled out of the US market altogether. SolarBuzz
Here in a region with a huge percentage of homes having natural gas furnace
heaters [with resistance backup,] carbon monoxide fumes are a very real
concern. If her house has a NG or oil burning furnace I'd look there for a
stuck or mal-adjusted pilot light. If her house is sealed tight, and I'll
wa
orth Texas Renewable Energy Inc
817.917.0527
[EMAIL PROTECTED]
www.ntrei.com
- Original Message -
From: [EMAIL PROTECTED]
To: RE-wrenches
Sent: Friday, August 22, 2008 10:41 AM
Subject: [RE-wrenches] Braided grounding wire
Anybody know a source for braided grounding wire
MessageGMAC is supposedly planning to begin energy efficient/renewable energy
financing incentives on Jan 1 2009. At least that's what our builder mentioned.
Jim Duncan
North Texas Renewable Energy Inc
817.917.0527
[EMAIL PROTECTED]
www.ntrei.com
Serving North Texas since
ng to benefit "main street" and not "wall street".
Mama used to tell me, "don't count your chickens before they're hatched".
Jim Duncan
North Texas Renewable Energy Inc
817.917.0527
[EMAIL PROTECTED]
www.ntrei.com
- Original Message -
From: "H
ed to me. Unless someone can point me toward a very reliable kit I will
go with a scratch built system, battery box on a short PV pole style. Any tried
& true design advice would be much appreciated.
best regards
Jim Duncan
North Texas Renewable Energy Inc
4029 Aragon Drive
Fort Worth, Te
Wrenches
are their any new manufacturers of flat roof mounting systems for tilted arrays
of 15 degrees or greater? The Pro-solar solar wedge is about the tallest
stationary mount I've seen. In this application, lag bolts are OK.
tanks
Jim Duncan
North Texas Renewable Energy Inc
4029 A
It's also a federal holiday...
Jim
- Original Message -
From: Matt Tritt
To: [EMAIL PROTECTED] ; RE-wrenches
Cc: 'Michael Kelly'
Sent: Monday, October 13, 2008 5:34 PM
Subject: Re: [RE-wrenches] SMA Sunny Island
Nearly everyone is in San Diego this week.
Matt T
Gle
e have a well engineered workaround to offer as far as clamping on
the angled sides?
now enjoying autumn....
Jim Duncan
North Texas Renewable Energy Inc
4029 Aragon Drive
Fort Worth, Texas 76133
817.917.0527
[EMAIL PROTECTED]
Serving North Texas since 1994.
For more information
Depending on the roof, it's possible to anchor the main support rope to a
fencepost, tree or some other sturdy ground mounted projection. Attaching the
other end, via a come-along, to another stout point on the other side of the
building. How ever you do it, be sure to protect the ridges from ch
n the size of systems allowed, based on inverter rated
output. Also the license holder may not work on commercial installations.
Are these typical of the license restrictions in other states?
thanks
Jim Duncan
North Texas Renewable Energy Inc
817.917.0527
[EMAIL PROTECTED]
www
, Heliodyne SHW and other premier renewable
energy products
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of North Texas
Renewable Energy Inc
Sent: Wednesday, October 29, 2008 2:45 PM
To: RE Wrenches
Subject: [RE-wrenches] State licensing for PV installers in Texa
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