I've used Visio (MicroSoft) for years and it works well for 1-line
and 2-line drawings. Can also export to and import from AutoCad. Has
great internal symbol libraries, or you can create your own.
On 6/18/20 7:56 PM, Eric Smiley wrote:
Draftsight
Maverick: I have a 15kW EcoGen. Please send the oil line correction.
Thanks! Gary
> On Jul 27, 2019, at 10:57 PM, Maverick Brown
> wrote:
>
> Mine died from brushes , I guess catching fire, and that was precipitated by
> an oil leak on the upper oil hose. The crimp-on fitting was allowing
contact me off-list if you think your client is
interested.
Regards,
Gary Willett PE
Icarus Engineering & Solar Services LLC
Irving TX
On 5/4/18 12:07 PM, Kristopher Schmid
wrote:
Greetings wrenches,
I
have a maintenance arrangement with the customer, individual string
breakers allow me to quickly/safely perform string/battery SOH (state of
Health) testing with an internal resistance tester and/or a load test on
individual batteries without removing wiring/busbars/etc.
Regards,
Gary Willett PE
for the same site?
Best regards,
Gary Willett PE
Icarus Engineering / Solar Services LLC
Irving TX
On 11/28/17 8:30 PM, Nick Soleil wrote:
Enphase does allow an IQ Envoy and an older Envoy (Envoy-S or earlier) on the
same site.We were initially conservative and didn't officially recommend
l 64 Enphase micros into a single unified
production view, or will two separate production views be required?
Thanks for your help!
Gary Willett PE
Icarus Engineering / Solar Services LLC
Irving TX
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to do so in process), but would
appreciate any feedback from other Esteemed Wrenches about their
experiences so far with the new profile.
Best regards,
Gary Willett PE
Icarus Engineering / Solar Services LLC
Irving TX
On 11/20/17 2:40 PM, Dave Tedeyan wrote:
Gary,
Sorry for the delay. You had
Esteemed Wrenches:
Anyone have any field experience with these units?
http://lezeti-tech.com/lezeti-hybrid-solar-air-conditioner/
Thanks!
Gary Willett
Icarus Engineering / Solar Services
Irving TX
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of
the UL1741 prove-in period and the individual ramp-up of the individual
microinverters.
Regards,
Gary Willett PE
Icarus Engineering & Solar Services LLC
On 11/9/17 2:28 PM, Dave Tedeyan wrote:
You could go with a Sonnen. That is meant to be AC coupled, and its a very
simple install.
Nice p
and availability,
or with contact info for a distributor who has / may have one available.
Regards,
Gary Willett PE
Icarus Engineering / Solar Services LLC
Irving TX
g...@icarussolarservices.com
214-629-4279 (cell)
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Generac has a 6kw and 15kw EcoGen line that was specifically designed for
2-wire start and off-grid battery backup applications. It is dual fuel capable
(LP and natural gas). I upgraded my 6kw EcoGen to the 15kw model a couple of
years ago.
Regards,
Gary Willett
Icarus Engineering & S
508A.
Regards,
Gary Willett
Icarus Engineering / Solar Services LLC
On 10/3/17 12:21 PM, Jerry Caldwell wrote:
Dear Wrenches with experience in PG territory:
I'm installing a system with a line side tap. Can I use a small subpanel with room
for only one circuit breaker instead of a fused
footprint and
weight. Also, it was specifically designed and warranteed for
off-grid applications.
Regards,
Gary Willett PE
Icarus Engineering LLC
On 6/16/17 9:36 AM, Kevin Pegg wrote:
You could
use a 2 -> 3 w
to you and your company!
Gary Willett PE
Icarus Engineering LLC
Irving TX
On 1/23/17 12:26 PM, Travis Jordan
wrote:
One of our customers installed 3 of our MT Solar
TOP15 pole mounts for his off-grid customer in Vermont this last
fall
DAVE:
If you have not already gone down this path, there could possibly
be a short somewhere on the normally open 2-wire start wiring. Try
temporarily lifting these conductors in the generator enclosure
and see if issue goes away.
Regards,
Gary Willett
e, I do not have to kluge up
a way to disconnect 70% of the PV array when the grid is down to
keep the SE1A-US inverter from overloading the 4kW Radian
inverter and its battery bank.
Regards,
Gary Willett
Icarus Engineering / Solar Services LLC
On 10/1
SolarEdge
inverter.
This is my first AC coupling project with these systems. The
analysis below is based solely on review of available documents on
the Outback and SolarEdge web sites.
Any help or guidance will be greatly appreciated.
Regards,
Gary Willett
load based priorities.
Regards,
Gary Willett
Icarus Engineering LLC
On 9/8/16 6:17 PM, Benn Kilburn wrote:
Hey Jerry,
Yeah, hard wiring would require quite
a bit of trenching and wire.
I was hoping someone would
Mike: Without doing a lot of research, I seem to recall what you are stating
about using the Buchanan splices is true if the PV wire, micro-inverter trunk
cable, or DC optimizer fine stranded wire is 19 strands or less.
Regards,
Gary Willett
Icarus Engineering LLC
Sent from my iPhone 5s
Larry:
What is your experience with FullRiver DC1150-2 2V 1150AH AGM L16
battery?
Regards,
Gary Willett
Icarus Engineering LLC
214-629-4279
On 9/1/16 8:51 PM, Starlight Solar Power Systems wrote:
Hear, Hear, Gary, listen
or frequency-shift throttling?
Page 15: Is the nomenclature in Figure 2 for the Utility Power
Meter "G" and the Consumption Meter "D" reversed?
Regards, Gary
On 6/18/16 7:10 PM, Chris Mason wrote:
On Sat, Ju
, 2016 at 9:54 PM, Gary
Willett <g...@icarussolarservices.com>
wrote:
Enclosed is a photo of what appears to be a test/lab
Sonnen system published in the 01/30/2016 edition of
"Power Magazine.
t;standard" 48V Radian inverter.
http://www.powermag.com/german-battery-firm-sonnen-moves-into-u-s-home-solar-storage-market/
Regards,
Gary Willett
Icarus Engineering LLC
On 6/17/16 2:09 PM, Chris Mason wrote:
Yes, correct on both. The ge
Dave: These emails frequently come with ".doc" or ".zip" attachments and hope
you open them. Doing so may expose you to a nasty virus, Trojan horse, or
worse.
Regards,
Gary Willett
Icarus Engineering LLC
Sent from my iPhone 5s
> On Apr 10, 2016, at 10:13 AM, peno
customer, or
possibly required by the insurance provider.
Regards,
Gary Willett PE
Icarus Engineering & Solar Services
Here's the liability section excerpt from the Oncor Interconnection
Agreement:
4. Limitation of
Liabi
Drake:
I agree with Peter. The PV inverters are "behind" the battery
inverters feeding local loads served via a protected loads panel, as
well as maintaining the SOC on the battery bank. Yes, they feed the
grid, but do so via the battery inverter.
The GTBB
ual reset to restore the
disconnected circuits. This can be inconvenient if the enclosure
housing the shunt-trip breaker is not easily accessible (i.e. on a
two story house with a 6:12 roof pitch. Something to consider.
Regards,
Gary Willett PE
Icarus Engineering
Mac:
The 0.8 PF is a design criteria by which the generator manufacturer
specs the capacity of the genset. The genset has to provide the
reactive power not just the real component, so most use the 0.8PF as
a reasonable spec. In your case with the Magnum charger
lled?
If so, can you provide the ordering part #s and pricing info?
Regards,
Gary Willett, PE
Icarus-Engineering LLC
Icarus Solar Services LLC
1124 Gloucester Ct S
Irving TX 75062-7505
TX PE License # 105617
NABCEP Certified Solar PV Insta
You're not alone. I tried several times today and it's not working for me
either. I sent a Tweet on #PVWATTS but no response there either.
Gary Willett
Icarus Engineering LLC
Sent from my iPhone 5s
On Jun 3, 2015, at 10:56 PM, Kristopher Schmid sol...@legacysolar.com wrote:
Anyone else
to replace just the faulty conductor without
damaging the other wires in the buried conduit. The solution was to
install the replacement inverter at the ground mounted array, then reuse
the remaining good wiring for the inverter's PV output circuit.
Regards,
Gary Willett PE
Icarus Solar Services
.
Also, 500 run hours between oil changes. And a 3-year or 2000 hour
warranty.
http://gens.lccdn.com/generaccorporate/media/library/content/all-products/generators/home-generators/ecogen-series/ecogen-warranty-0j1629-revb.pdf
Regards,
Gary Willett
Icarus Engineering
1 BTU = energy required to heat 1 lb of water 1 degree F in 1 hour
1 gallon of water = 8.34 lbs @ 62F
15000 gal water = 125,100 lbs
A 100 kBTU heater would heat the pool about 0.7F per hour.
Sent from my iPhone 5s
On Apr 5, 2015, at 7:49 PM, Jay jay.pe...@gmail.com wrote:
Hi Tom
Is
t think this is applicable to your query, but if a
business owned PV system is involved, and does not involve a
personal 1040 tax return or a residential PV system, the 30%
residential energy credit does not apply - the Form 3468
investment tax credit is used.
Regards
Mac, et al:
Generac will be releasing a 15k EcoGen soon that is dual fuel LP natural gas.
Regards,
Gary Willett
Icarus Engineering LLC
Sent from my iPhone 5s
On Nov 21, 2014, at 10:41 AM, jay peltz j...@asis.com wrote:
Hi Mac
Thanks
Easy fix for the 120 only is to install small
damage.
Regards,
Gary Willett PE
Icarus Engineering LLC
On 10/28/14, 12:53 PM, Kirk wrote:
Hi,
I'm on a jobsite without my code book. Could someone tell me where in the code
ungrounded systems do not require the inverter GEC? Basically my onsite
electrician doesn't believe me. Thanks.
Kirk
COREY:
I use the Megger MIT430. It stores the measurements and then you
can download to a PC via BlueTooth.
Regards,
Gary Willett
Icarus Engineering Solar Services
On 3/28/14, 4:06 PM, Corey Shalanski wrote
NFPA issues errata on NFPA 70®, 2014 National Electrical Code®:
https://www.nfpa.org/Assets/files/AboutTheCodes/70/Errata70-14-2.pdf
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. Also, a vertical orientation of the enclosure would
minimize the amount of water intrusion from a 45 degree angled
rain test.
Regards,
Gary Willett
Icarus Solar
On 11/11/13, 1:49 PM, eric.bent...@schneider-electric.com wrote:
/module system that has been listed as compliant to
the new UL standard.
You can upsize the EGC if desired to reduce its impedance for
lightning and surge protection.
Regards,
Gary Willett
Icarus Solar
On 11/9/13, 5:08 PM, William wrote:
W:
A string inverter does not constitute a separately
and AC-EGC sizing requirements in
NEC 690.47(C)(3) apply. The larger of the EGC (Table 250.122) and
GEC [250.166(B)] sizes will be required.
More specifics on the PV module Vmpp and micro-inverter you're
dealing with would be helpful.
Regards,
Ditto Chris's comment. The EcoGen was
designed by Generac with research funded by the Propane Council
from the ground-up as an off-grid propane-only generator used to
charge batteries.
Regards, Gary
On 9/14/13 1:44 PM, Chris Mason wrote:
deactivate
the function when grid power returns in order to start delivering
power again from the SB.
Regards,
Gary Willett
Icarus Engineering LLC
On 7/22/13 6:46 AM, Carl Adams wrote:
Nick,
Pekka:
160A is not a standard OCPD value (NEC 2011; 240.6). I'd go with the
next smaller size, or 150A. I would size the ampacity of the feeder
conductors for 175A.
Regards,
Gary Willett
Icarus Engineering
On 6/17/13 12:33 PM, Pekka Laine wrote:
Dear Fellow Wrenches,
We have a small 50kW
%7CElectricalPanelsskwcid=TC%7C13168%7Ccmber88b200bts%7C%7CS%7Cp%7C20814767077#.UbnmOxakJ5g
Regards,
Gary Willett
Icarus Engineering LLC
Original Message
Subject:
Re: [RE-wrenches] 200 Amp Main
Maybe their position has changed, but
the last time I looked into AC coupling a Fronius inverter I was
told by Fronius that it would void their warranty. Has that policy
changed?
Regards,
Gary Willett
Icarus Engineering LLC
does a
cost/benefit analysis. Most, if not all, of the customers I've had
wanting GTBB systems are motivated in the same way.
Regards,
Gary Willett
Icarus Solar
On 4/26/13 1:41 PM, Chris Mason wrote:
The Generac Guardian
battery charger is
then activated to recharge the battery bank.
The OCPD(s) through which the protected load amps and charging amps
are passing must be sized to accommodate both at the same time.
Regards,
Gary Willett
Icarus Solar
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the protected load amps and charging amps are
passing must be sized to accommodate both at the same time.
Regards,
Gary Willett
Icarus Solar
On 3/1/13 8:40 AM, wire...@gmail.com wrote:
Gary,
I thought most inverters share power. So if the inverter has a 60A
transfer switch and all of that is needed
Regards,
Gary Willett, PE
Icarus-Engineering LLC
Icarus Solar Services LLC
g...@icarus-engineering.com
g...@icarussolarservices.com
On 2/10/2013 4:35 PM, Solarguy wrote
JESSE JASON:
There was a thread from about 6 weeks ago
Re: [RE-wrenches] Best practices for conduit penetration on roof
about the use of the SolaDeck as a roof-top AC Source Circuit combiner,
and as a roof-top disconnecting means.
I have two issuesyou should be consider before deciding
the roof down to the deck, PowerGrips help save valuable time
and labor. In addition, PowerGrips can be used with most solar rack
systems currently available. /
Regards,Gary Willett
On 12/31/2012 8:17 AM, wire...@gmail.com wrote:
Hello Wrenches,
Installing rail mounted PV array on a 2 1/2 / 12
the
inverter is in AC BYPASS mode and the batteries are being charged from
the grid.
Regards,
Gary Willett
On 12/30/2012 4:48 PM, Jeremy Rodriguez- All Solar Inc. wrote:
Ok, so 35A min., but what about maximum?
A 200A mains panels allows 120% max back feed correct?
Confused.
Jeremy
All
Esteemed Wrenches:
I was at the Midwest Roofing Contractors Association show last week in
Grapevine TX. One of the vendors in the exhibit hall was OMG Roofing
Products.
Have any of you used this product?
http://olyfast.com/product-details/product/PowerGrip.html?language=en
*_Excerpt From
The platform has a covered slot through which PV modules can be hoisted
up from the ground to the roof.
--
Regards,
Gary Willett, PE
Icarus Engineering LLC
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?
Regards,
Gary Willett, PE
Icarus Engineering LLC
Icarus Solar
because a
tool is required to open it.
Regards,
Gary Willett, PE
Icarus Engineering LLC
Icarus Solar Services LLC
On 11/26/2012 2:21 PM, Jason Szumlanski wrote:
I did get some pictures and info from Soladeck. Here are some links:
Pics:
https://docs.google.com/open?id=1BpiL
between 120V and 160V?
Regards,
Gary Willett, PE
On 8/28/2012 11:31 AM, mac Lewis wrote:
Power One Inverters will easily string that low. We have used quite a
few of these with no problem. They are ungrounded on the DC side.
On Mon, Aug 27, 2012 at 3:22 PM, Jesse Dahl dahlso...@gmail.com
=KDER.GuideInfoccnshorttitle=Grounding+and+Bonding+Equipmentobjid=1074098839cfgid=1073741824version=versionlessparent_id=1073988940sequence=1
Regards,
Gary Willett, PE
On 8/27/2012 3:20 PM, David Brearley wrote:
Yes, sorry. I wasn't speaking of this lug...I like the redesign. Looks
quicker
Larry:
Are the problems you have encountered with the Deka/MK 12V AGMs also an
issue with the 8AGC2 6V AGM? Are the problems you're seeing with climate
controlled batteries, or with outside cabinet mounted batteries?
I have an application having I believe heat related failures with one
48V
.
Thanks! Gary Willett PE
g...@icarus-engineering.com
g...@icarussolarservices.come.
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We use Attic Breeze. It's got a great warranty (PV module, motor,
enclosure) and is thermostatically controlled. Check them out!
http://www.atticbreeze.net/
Regards,
Gary Willett, PE
Icarus-Engineering LLC
g...@icarus-engineering.com
On 6/8/2012 11:15 AM, Jason Szumlanski wrote
).
http://www.uni-solar.com/products/commercial-products/pvl/
Regards,
Gary Willett
On 2/2/2012 18:47, Marco Mangelsdorf wrote:
I have a client with a big commercial warehouse (metal-framed).
He needs to replace his metal roof and is asking whether I know if any
kind of reputable, listed
meter,
but your inspecting AHJ might.
Regards,
Gary Willett, PE
On 1/24/2012 08:52, mac Lewis wrote:
Here in Xcel territory in Colorado, we are required to cold-sequence
the solar production meter. These disconnects have to be utility
accessible and adjacent to the production meter itself. I
,
Gary Willett, PE
g...@icarus-engineering.com
On 1/20/2012 14:27, Tom DeBates wrote:
hello Wrenches,
Has anyone done a system with array-to-inverter (DC) run of 900
feet or more? If so, any special considerations..besides voltage drop?
thanks,
tom
Tom DeBates
Habi-Tek
524 Summit St
://www.solarabcs.org/about/publications/reports/expedited-permit/pdfs/Expermitprocess.pdf
Regards,
Gary Willett, PE
On 12/1/2011 14:48, Ray Walters wrote:
That's more detailed info, but I still am wondering what ambient temp
to apply (which AHSRAE #) with the temp adder. Daryl suggested using
a 2% high
be done with Schneider/Xantrex GT grid tied, followed
later with an XW inverter/charger.
Regards,
Gary Willett, PE
Icarus-Engineering LLC
Icarus Solar Services LLC
On 10/27/2011 00:20, William Miller wrote:
Friends:
Is there such a thing as an inverter that does not need batteries
today
on the distance from the PV arrays to the inverters.
Regards,
Gary Willett, PE
Icarus-Engineering LLC
Icarus Solar Services LLC
On 10/21/2011 10:17, Allan Sindelar wrote:
Wrenches,
We have been asked for a design for an off-grid system to reduce
generator runtime for a mountain resort. Initial
Alan: Thanks for setting me straight about 3-phasing the Outback Radian
- I was not aware they are limited to parallel single phase applications.
Regards,
Gary Willett
On 10/21/2011 15:29, Allan Sindelar wrote:
Gary,
I was surprised by this information, as I had presumed that both units
equipment.
The short circuit current rating of the utilization equipment, and the
AIC (Available Interrupting Current) rating of the OCPD in the
utilization equipment, must exceed the AFC.
Regards,
Gary Willett, PE
*From:*re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun
Support and see if
this is a supported (or at least functional) alternative to a Windows
netbook/notebook.
Gary Willett, PE
Gary at IcarusSolarServices.com
My sense is this tool, at this price point of $4k is a good investment
for various reasons.
1. Analytics- know right away what
Ditto Bill's comments! I have had a PVA600 for about 8 months and am
very pleased with its capabilities.
Regards,
Gary Willett, PE
g...@icarussolarservices.com mailto:g...@icarussolarservices.com
On 7/29/2011 3:41 PM, Bill Brooks wrote:
Keith,
As I board a flight from Maui to Oahu
Daryl:
Sounds like we came to the same conclusion - bolt(s) through the SIPs is the
only way to go. I'll discuss this with builder - I'm not sure how the underside
will be finished out but I'm sure we can work it out. Thanks for the response!
Regards,
Gary Willett, PE
Icarus Engineering
will be a challenge.
Other Wrenches: Thanks so much for your helpful comments and suggestions!
Regards,
Gary Willett, PE
g...@icarussolarservices.com mailto:g...@icarussolarservices.com
On 7/26/2011 10:45 PM, North Texas Renewable Energy Inc wrote:
Seems as though a motivated Architect could
. This method should have no problem achieving the required
pull-out resistance.
Any suggestions, installation experience, on how to put PV on a SIP roof?
--
Regards,
Gary Willett, PE
Icarus Engineering / Solar Services LLC
NABCEP Certified Solar PV Installer # 031310-246
g...@icarussolarservices.com
690.5.
Regards,
Gary Willett, PE
g...@icarussolarservices.com mailto:g...@icarussolarservices.com
On 7/15/2011 4:30 PM, Kent Osterberg wrote:
I'm looking for the text of 1987 NEC 690.5 to compare with 2011
version. If any of you geezers have kept copies that old, please
contact me off list
proof of
having attended the OSHA 30 Hour For Construction safety training course.
The requirement for the 10-hour OSHA course for solar PV installers
could be a state licensing requirement, particularly those that have a
separate solar PV license.
Regards,
Gary Willett, PE
g
. The Sunny Island or the Xantrex can be
programmed to only charge from the grid when the rates are the cheapest.
Regards,
Gary Willett, PE
g...@icarussolarservices.com mailto:g...@icarussolarservices.com
On 7/14/2011 3:43 PM, Allan Sindelar wrote:
Wrenches,
I'm stumped as to the best
Dana:
You're probably talking about a PV to 12V solution. The battery banks in
EVs are high voltage (to minimize I2R losses).
And I'm sure that ...bypassing or paralleling the internal controls...
will result in a voiding of the EV warranty.
Regards,
Gary Willett, PE
g
experience where direct contact of these dissimilar
metals became an issue over time?
--
Regards,
Gary Willett, PE
Icarus Solar Services LLC
NABCEP Certified Solar PV Installer
g...@icarussolarservices.com mailto:g...@icarussolarservices.com
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Good question about the end cuts, which would definitely rust if not
painted - I'll check tomorrow.
Regards,
Gary Willett, PE
Icarus Solar Services LLC
NABCEP Certified Solar PV Installer
g...@icarussolarservices.com
mailto:g...@icarussolarservices.commailto:g...@icarussolarservices.com
panel is a great
solution to offer customers desiring an UPS-like configuration for
critical loads. The battery bank sizing will be a cost tradeoff between
hours of autonomy of the battery bank, versus size/run-time for the
generator (if equipped).
Hope this helps!
Regards,
Gary Willett, PE
:
http://www.eaton.com/Electrical/USA/ProductsandServices/ElectricalDistribution/ATS/index.htm
Regards,
Gary Willett, PE
Icarus Engineering / Solar Services LLC
NABCEP Certified Solar PV Installer # 031310-246
mailto:g...@icarussolarservices.com
On 5/16/2011 3:34 PM, Jason Szumlanski wrote
if your backup source is 120V you
will need a suitably sized transformer.
Is the backup portion of your project a generator only, or a
combination of batteries generator?
Regards,
Gary Willett, PE
Icarus Engineering / Solar Services LLC
NABCEP Certified Solar PV Installer # 031310-246
On 5
Ditto Mark's and Bob's reply - Cougar Paws are the only thing I'll wear
on a pitched asphalt roof. They're worth every penny.
Gary Willett, PE
Icarus Engineering/Solar Services LLC
NABCEP Certified Solar PV Installer # 031310-246
mailto:g...@icarussolarservices.com
On 5/8/2011 11:37 PM, Mark
inverters via the XAN-Bus for charge control.
Regards,
Gary Willett, PE
Icarus Engineering / Solar Services LLC
NABCEP Certified Solar PV Installer # 031310-246
On 5/3/2011 9:15 AM, Jason Szumlanski wrote:
Interesting. It's only off-grid when the grid goes down, which is
presumably not often
backup system using Fronius. I will call Fronius support next, but any
feedback from the group will
be much appreciated.
Gary Willett, PE
Icarus Solar Services LLC
mailto:g...@icarussolarservices.com
On 4/12/2011 11:37 PM, Mark Frye wrote:
Gary,
I have been looking at some AC coupled stuff lately
) that comes from the battery-connected inverter?
Any other suggested solutions is appreciated.
Gary Willett, PE
Icarus Solar Services LLC
mailto:g...@icarussolarservices.com
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