[RE-wrenches] AC Coupling Fronius IG Plus 10.0 inverter

2011-04-12 Thread Gary Willett
) that comes from the battery-connected inverter? Any other suggested solutions is appreciated. Gary Willett, PE Icarus Solar Services LLC <mailto:g...@icarussolarservices.com> ___ List sponsored by Home Power magazine List Address: RE-wr

Re: [RE-wrenches] AC Coupling Fronius IG Plus 10.0 inverter

2011-04-13 Thread Gary Willett
to ever design an AC coupled battery 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 b

Re: [RE-wrenches] AC Coupling Xantrex XW Inverters toEnphaseMicroinverters

2011-05-03 Thread Gary Willett
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 presumab

Re: [RE-wrenches] Working on metal roofs.

2011-05-09 Thread Gary Willett
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&

Re: [RE-wrenches] Main panel and ATS request

2011-05-14 Thread Gary Willett
so 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 Install

Re: [RE-wrenches] Main panel and ATS request

2011-05-16 Thread Gary Willett
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 Icarus Engineering / Solar Services LLC NABCEP Certified Solar PV Installer # 031310-246 On 5/14/2011 4:28 PM, Allan Sindelar wro

Re: [RE-wrenches] Xantrex 3 XW system bypass

2011-05-16 Thread Gary Willett
ch/METERRITE%20GL.pdf EATON / CUTLER-HAMMER: 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...@icarussola

[RE-wrenches] Aluminum Module Frame To Galvanized Uni-Strut

2011-07-12 Thread Gary Willett
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> __

Re: [RE-wrenches] Aluminum Module Frame To Galvanized Uni-Strut

2011-07-12 Thread Gary Willett
d uni-strut. Should there also be a WEEB-WMC assembly between the PV module and the uni-strut? Anyone have any 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 Instal

Re: [RE-wrenches] Aluminum Module Frame To Galvanized Uni-Strut

2011-07-12 Thread Gary Willett
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.com><mailto:g...@icarussol

Re: [RE-wrenches] OSHA Certification?

2011-07-14 Thread Gary Willett
uires 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

Re: [RE-wrenches] Fwd: Car charging station without grid

2011-07-14 Thread Gary Willett
id at night or on cloudy days. 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:

Re: [RE-wrenches] Fwd: Car charging station without grid

2011-07-14 Thread Gary Willett
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,

Re: [RE-wrenches] 1987 NEC

2011-07-15 Thread Gary Willett
7 section 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

[RE-wrenches] Module Racking Attachment to SIP Roof

2011-07-25 Thread Gary Willett
-holes and might be a good choice. 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 Cer

Re: [RE-wrenches] Module Racking Attachment to SIP Roof

2011-07-26 Thread Gary Willett
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 Ica

Re: [RE-wrenches] Module Racking Attachment to SIP Roof

2011-07-26 Thread Gary Willett
sting SIP roof 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

Re: [RE-wrenches] Solmetric PVA-600

2011-07-29 Thread Gary Willett
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 t

Re: [RE-wrenches] Solmetric PVA-600

2011-07-30 Thread Gary Willett
As with most manufacturers, customer demand probably drives Solmetric and the OS platforms on which the PVA600 software will run. Make your wishes for an Android version known to them. Regards, Gary Willett, PE g...@icarussolarservices.com <mailto:g...@icarussolarservices.com> On 7/3

Re: [RE-wrenches] Solmetric PVA-600

2011-08-05 Thread Gary Willett
ntact Solmetric Tech 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- kno

Re: [RE-wrenches] interrupting current calculations used to determine the interrupting of the AC equipment.

2011-10-03 Thread Gary Willett
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

Re: [RE-wrenches] Three-phase off-grid

2011-10-21 Thread Gary Willett
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

Re: [RE-wrenches] Three-phase off-grid

2011-10-21 Thread Gary Willett
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

Re: [RE-wrenches] Battery / no-battery

2011-10-27 Thread Gary Willett
ld 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

Re: [RE-wrenches] calculating low string voltage

2011-12-01 Thread Gary Willett
://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%

Re: [RE-wrenches] Battery Backup for Older Enphase Systems

2017-11-11 Thread Gary Willett
se 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. N

[RE-wrenches] Lezeti Hybrid Mini-Split Solar Air Conditioner

2017-11-20 Thread Gary Willett
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 ___ List sponsored by Redwood Alliance List Address

Re: [RE-wrenches] Battery Backup for Older Enphase Systems

2017-11-20 Thread Gary Willett
ct 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. Yo

[RE-wrenches] MIXING ENPHASE M-2XX / IQ6 MICROS & ENVOY / IQ-ENVOY ON SAME AC COMBINER LOAD CENTER

2017-11-27 Thread Gary Willett
gregate all 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 ___ List sponsored by Redwo

Re: [RE-wrenches] MIXING ENPHASE M-2XX / IQ6 MICROS & ENVOY / IQ-ENVOY ON SAME AC COMBINER LOAD CENTER

2017-11-29 Thread Gary Willett
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 reco

Re: [RE-wrenches] battery buss bar stock

2017-12-02 Thread Gary Willett
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

Re: [RE-wrenches] Fire damage

2018-05-04 Thread Gary Willett
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 ha

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

2019-07-28 Thread Gary Willett
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 oil

Re: [RE-wrenches] Programs for one line DWGs.

2020-06-21 Thread Gary Willett
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 i

Re: [RE-wrenches] SMA Secure Power Supply

2013-07-22 Thread Gary Willett
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,

Re: [RE-wrenches] Off Grid LP Gen advice

2013-09-14 Thread Gary Willett
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:

Re: [RE-wrenches] GEC sizing for a high amp, low voltage PV system with microinverters

2013-09-17 Thread Gary Willett
-GEC 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.

Re: [RE-wrenches] PV GEC

2013-11-09 Thread Gary Willett
e, or a racking/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 inver

Re: [RE-wrenches] Square D Disconnects mounted on the slope of the roof.

2013-11-11 Thread Gary Willett
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:

[RE-wrenches] NFPA issues errata on NFPA 70®, 2014 National Electrical Code®

2013-12-11 Thread Gary Willett
NFPA issues errata on NFPA 70®, 2014 National Electrical Code®: https://www.nfpa.org/Assets/files/AboutTheCodes/70/Errata70-14-2.pdf ___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Change email address & sett

Re: [RE-wrenches] Capacitive Discharge Test Results

2014-03-28 Thread Gary Willett
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 w

Re: [RE-wrenches] Code reference request

2014-10-28 Thread Gary Willett
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. Tha

Re: [RE-wrenches] propane generator

2014-11-21 Thread Gary Willett
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 wrote: > > Hi Mac > > Thanks > > Easy fix for the 120

Re: [RE-wrenches] ITC

2015-03-27 Thread Gary Willett
n'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.

Re: [RE-wrenches] Heat Exchangers Topic for Swimming Pools

2015-04-06 Thread Gary Willett
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 wrote: > > Hi Tom > > Is your doubling of

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

2015-04-09 Thread Gary Willett
. 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

Re: [RE-wrenches] Lightning Strike Fries Array

2015-05-22 Thread Gary Willett
not possible 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 I

Re: [RE-wrenches] PVWatts

2015-06-03 Thread Gary Willett
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 wrote: > > Anyone e

Re: [RE-wrenches] MidNite Solar SMA Relay Board (MNSMARB)

2015-06-11 Thread Gary Willett
installed? 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

Re: [RE-wrenches] Generac QT series

2015-07-14 Thread Gary Willett
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 presenting

Re: [RE-wrenches] Digital Hydrometer

2015-08-31 Thread Gary Willett
eries, so that's also one less thing to worry about. Regards, Gary Willett PE Icarus Engineering & Solar Services On 8/31/15 12:28 AM, Allan Sindelar wrote: William, Why bother, when a refractometer is cheaper, does a bett

Re: [RE-wrenches] Rooftop DC disconnects

2015-09-25 Thread Gary Willett
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

Re: [RE-wrenches] Fed Tax Credit

2015-10-31 Thread Gary Willett
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 (

Re: [RE-wrenches] Inverter back feed liability

2015-11-23 Thread Gary Willett
to protect your 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

Re: [RE-wrenches] the federal tax credit this year

2015-12-19 Thread Gary Willett
gards, Gary Willett Icarus Solar Engineering / Services LLC - REF: IRS PUB 5695 https://www.irs.gov/pub/irs-pdf/i5695.pdf NOTE: Form and Pub 5695 have not yet been released by the IRS for tax year

Re: [RE-wrenches] Scam ?

2016-04-10 Thread Gary Willett
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

Re: [RE-wrenches] Sonnen Battery & Outback Radian Inverter

2016-06-17 Thread Gary Willett
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

Re: [RE-wrenches] Sonnen Battery & Outback Radian Inverter

2016-06-18 Thread Gary Willett
On Fri, Jun 17, 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 &qu

Re: [RE-wrenches] Sonnen Battery & Outback Radian Inverter

2016-06-18 Thread Gary Willett
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

Re: [RE-wrenches] Test procedure for Concorde batteries

2016-09-01 Thread Gary Willett
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 to

Re: [RE-wrenches] Wire nuts

2016-09-06 Thread Gary Willett
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

Re: [RE-wrenches] Back-up generator/inverter shut-down relay

2016-09-08 Thread Gary Willett
total 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 someon

[RE-wrenches] AC Coupling Solar Edge SE10000A-US With Outback Radian GS4048A

2016-10-17 Thread Gary Willett
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

Re: [RE-wrenches] AC Coupling Solar Edge SE10000A-US With Outback Radian GS4048A

2016-10-18 Thread Gary Willett
possible, 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

Re: [RE-wrenches] Generac EcoGen 6

2016-12-30 Thread Gary Willett
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

Re: [RE-wrenches] MT Solar / Iron Ridge Issue

2017-01-23 Thread Gary Willett
gards 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

Re: [RE-wrenches] Generator choice for Sunny Island

2017-06-16 Thread Gary Willett
on its 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 ->

Re: [RE-wrenches] breaker instead of fused disco

2017-10-03 Thread Gary Willett
testing by a NRTL to UL 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&E territory: I'm installing a system with a line side tap.  Can I use a small subpanel with room for only one ci

Re: [RE-wrenches] Small genset 2 wire start?

2017-10-13 Thread Gary Willett
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

[RE-wrenches] Need Sunny Web Box (US)

2017-10-19 Thread Gary Willett
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) ___ List sponsored by Redwood Alliance

Re: [RE-wrenches] Maximum array-to-inverter Run?

2012-01-20 Thread Gary Willett
gards, 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 Summ

Re: [RE-wrenches] meter pan?

2012-01-24 Thread Gary Willett
he PV REC 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 met

Re: [RE-wrenches] BIPV for commercial

2012-02-02 Thread Gary Willett
months ago). 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 reputab

Re: [RE-wrenches] Solar Attic Fans

2012-06-08 Thread Gary Willett
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

Re: [RE-wrenches] Deka AGM (was Small battery bank vs too large array:

2012-08-04 Thread Gary Willett
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 s

[RE-wrenches] Installation Info on Rolls-Surrette S2-945AGM With M8 Battery Terminal

2012-08-04 Thread Gary Willett
t find one. Thanks! Gary Willett PE g...@icarus-engineering.com g...@icarussolarservices.come. ___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options & settings: http://lists.re-wrenches.org/options.cgi/

Re: [RE-wrenches] Ilsco SGB bonding lug

2012-08-27 Thread Gary Willett
cgi-bin/XYV/template/LISEXT/1FRAME/showpage.html?&name=KDER.GuideInfo&ccnshorttitle=Grounding+and+Bonding+Equipment&objid=1074098839&cfgid=1073741824&version=versionless&parent_id=1073988940&sequence=1 Regards, Gary Willett, PE On 8/27/2012 3:20 PM, David Brearley w

Re: [RE-wrenches] Fronius replacement

2012-08-28 Thread Gary Willett
ation 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 <mailt

Re: [RE-wrenches] Best practices for conduit penetration on roof

2012-11-26 Thread Gary Willett
? Regards, Gary Willett, PE Icarus Engineering LLC Icarus Solar

Re: [RE-wrenches] Best practices for conduit penetration on roof

2012-11-26 Thread Gary Willett
dily accessible" 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.goog

Re: [RE-wrenches] Best practices for conduit penetration on roof

2012-11-27 Thread Gary Willett
prises Inc 2214 Heimstead Road Eau Claire, Wi 54703 866-367-7782 715-830-9997 I'll keep you posted with what I find out. Regards, Gary Willett, PE Icarus Engineering LLC Icarus Solar Services LLC On 11/27/2012 8:30 AM, Jason Szumlanski wrote: We're pretty fortunate that a

[RE-wrenches] Solar "PowerGrip" From OMG Roofing Products

2012-12-11 Thread Gary Willett
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

[RE-wrenches] Kee Safety "Solar Platform System"

2012-12-11 Thread Gary Willett
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 ___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org

Re: [RE-wrenches] Point of Connection 705.12D2 Exception

2012-12-30 Thread Gary Willett
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

Re: [RE-wrenches] EPDM Roof Attachment/Flashing

2012-12-31 Thread Gary Willett
n 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

Re: [RE-wrenches] center feeding Enphase

2013-01-04 Thread Gary Willett
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

Re: [RE-wrenches] getting PV modules up to the roof

2013-02-10 Thread Gary Willett
A.pdf 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

Re: [RE-wrenches] Conductor Sizing for Supply Side Connection

2013-03-01 Thread Gary Willett
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 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

Re: [RE-wrenches] Conductor Sizing for Supply Side Connection

2013-03-03 Thread Gary Willett
to the AC1 grid input. The XW internal 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 __

Re: [RE-wrenches] Battery Back-up and Grid Tie

2013-04-26 Thread Gary Willett
that when one 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 G

Re: [RE-wrenches] AC Coupling different brands

2013-05-27 Thread Gary Willett
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

[RE-wrenches] Fwd: Re: 200 Amp Main Equip for 60A Solar

2013-06-13 Thread Gary Willett
CD27E%7CModelNumbers%7CCircuitProtect.Devices%7CElectricalPanels&skwcid=TC%7C13168%7Ccmber88b200bts%7C%7CS%7Cp%7C20814767077#.UbnmOxakJ5g Regards, Gary Willett Icarus Engineering LLC Original Message Subject: R

Re: [RE-wrenches] Feeding 160A 3PH to a 800A/800A Main Service

2013-06-17 Thread Gary Willett
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,