Re: [RE-wrenches] MX60 output trips with load

Hi Phil; THe only thing I could think, is that your battery voltage would drop, when the EV charger came on. If its a small battery bank this could be a large enough drop to cause the MX 60 output to go over 60 amps long enough to trip the breaker. We had a similar problem, everything

Re: [RE-wrenches] Lithium batteries.....

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Re: [RE-wrenches] more on roof penetrations

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Re: [RE-wrenches] 48 VDC to 24 VDC converter

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Re: [RE-wrenches] Front Loader Washing Machines and Modified square wave inverters

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Re: [RE-wrenches] Followup to Surrette Battery Question

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Re: [RE-wrenches] Tracker effectiveness

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Re: [RE-wrenches] Followup to Surrette Battery Question

content. Matt R. Walters [EMAIL PROTECTED] wrote: I never used it, but Battery Watering Systems has used them for years. The rep I talked to thought we in the solar biz were quite cautious on this. I still use distilled H2O, myself BTW. Have you actually experienced ruined batteries from

Re: [RE-wrenches] Utility Dis-connect

Hi Bill; I am always curious; what section of the code states that? That sounds like we would have to change the way we do off grid systems and generators also, to meet the visible break requirement. Thanks again for all your information, Ray Walters removing the requirement would

Re: [RE-wrenches] Request for Enphase inverter comments

etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org R. Walters Solarray.com NABCEP # 04170442 ___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options

Re: [RE-wrenches] Request for Enphase inverter comments

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Re: [RE-wrenches] 690.31E (was Request for Enphase comments)

to the same interpretation (i.e. inverter AC must be in metal). -Kelly Kelly Keilwitz, P.E. Whidbey Sun Wind, LLC Renewable Energy Systems NABCEP Certified PV Installer 987 Wanamaker Rd, Coupeville, WA 98239 PH FAX 360-678-7131 [EMAIL PROTECTED] On 10/24/08 10:31 AM, R. Walters [EMAIL PROTECTED] wrote

Re: [RE-wrenches] tower lifting winches

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Re: [RE-wrenches] Insurance classification

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[RE-wrenches] NEC Signs, Labels, Plaques,?

between a sign, a plaque, a directory, a label, and marking??) Thanks in advance, R. Walters [EMAIL PROTECTED] Solar Engineer ___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options settings: http

Re: [RE-wrenches] voltage drop

-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re- wrenches.org List rules etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org R. Walters Solarray.com NABCEP # 04170442 ___ List

Re: [RE-wrenches] Re; We're all out of a job now

I just wonder what we do with all our old dumb appliances that don't have the computer chip. Sounds like a great idea otherwise, although its probably not compatible with modsine inverters either. R. Walters Solarray.com NABCEP # 04170442 On Jun 17, 2009, at 4:36 PM, North Texas

[RE-wrenches] EFCI (formerly Out of a job....)

Hi Michael; I agree the former subject was off topic for awhile,went off topic again, but smart outlets as posted by Jim Duncan, are very on topic. Electrical Fault Circuit Interrupters may well make electrical wiring much safer, and may also cause our next generation of problems to

Re: [RE-wrenches] 690.47

Much of the confusion seems to be from the older versions of the code. I actually find the 08 version to be less confusing overall (I do have my issues though). It allows the WEEB system for instance, which greatly speeds installations, and allows the array support structure to be used as

Re: [RE-wrenches] DRFX Compatibility Problem

I quit selling Staber, as they changed the design substantially over the years. The last one I had would NOT run reliably on a Xantrex SW+ Inverter. Kept smoking circuit boards. The days of a Staber running off a Trace U612 are long gone. (I guess they went to the same dinosaur land that

Re: [RE-wrenches] DRFX Compatibility Problem

Electrician Positive Energy, Inc. 3201 Calle Marie Santa Fe, New Mexico 87507 505 424-1112 www.positiveenergysolar.com From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches- boun...@lists.re-wrenches.org] On Behalf Of R. Walters Sent: Thursday, June 18, 2009 7:06 PM To: RE

Re: [RE-wrenches] Desulfators

I have a picture of one that burned up pretty spectacularly. (definitely a fire starter) I wouldn't hook them up without fusing. I think modern charge controllers with PWM and temp comp do the job of desulfation adequately and safely. R. Walters Solarray.com NABCEP # 04170442

Re: [RE-wrenches] What is a direct-current system?

I just sort of hit this in a previous post: check 690.47C(3). Your system falls under (C) AC DC grounding requirements. This just shouldn't be that hard with the inspectors R. Walters Solarray.com NABCEP # 04170442 On Jun 19, 2009, at 10:55 AM, Peter Parrish wrote: I have

Re: [RE-wrenches] Enphase Recall?

on this list, we will be in the dark more: Not good. R. Walters Solarray.com NABCEP # 04170442 On Jun 19, 2009, at 11:47 AM, Allan Sindelar wrote: Is anyone as bothered about this as I am? Well, I’m not. The Wrenches list has always had space and encouragement for a single technical

Re: [RE-wrenches] What is a direct-current system?

decoupling parts of the system somewhat from surges (via the reduced size EGC), but still bonded, insuring that no potential exists in different parts of the ground system normally. Ok I'm going home R. Walters Solarray.com NABCEP # 04170442 On Jun 19, 2009, at 12:22 PM, Peter Parrish wrote

Re: [RE-wrenches] Grid-Connect Inverter with battery, AND auto backoff?

some responsibility on the operator as well. R. Walters Solarray.com NABCEP # 04170442 On Jun 23, 2009, at 10:30 PM, Troy Harvey wrote: Load sheding is not a bad idea if the tech exists. Not particularly complex either with networkable breakers and a smart controller in the inverter

Re: [RE-wrenches] Solar Boost Controller in Senegal

for the module series is probably down at 50 v, so the SB 50 is probably running the array at 37 v. Pretty inefficient, but better than nothing. R. Walters Solarray.com NABCEP # 04170442 On Jun 26, 2009, at 4:22 PM, Walt Ratterman wrote: Hello, I am in a very remote part of Senegal, (near

Re: [RE-wrenches] SQ Flex question re Code compliance

, is that the SQF is only CE listed ( European Union), not UL or ETL, though. Good Luck, R. Walters Solarray.com NABCEP # 04170442 On Jun 27, 2009, at 3:54 PM, Allan Sindelar wrote: Wrenches, For a community water supply, I will be installing two identical SQ Flex systems, each

Re: [RE-wrenches] Solar Installers Education

I was able to do was create well educated consumers. R. Walters Solarray.com NABCEP # 04170442 On Jul 17, 2009, at 9:44 AM, Keith Cronin wrote: Hi gang I was wondering, what percentage do you believe represents the ratio of classroom training to field training for PV and what

Re: [RE-wrenches] myers hub

into the plastic boxes. Seems the fix he suggested: the Myer's Hub, could be a violation of the products UL listing, when used with other types of conduit. R. Walters Solarray.com NABCEP # 04170442 On Jul 24, 2009, at 3:25 PM, Nick Vida wrote: guys, on myers hubs... are these even rated

Re: [RE-wrenches] myers hub

One of our suppliers, American Electric is excellent about ordering weird stuff for us. Only problem is the price!! I'm guessing that the Stainless model in 1 is over $30. R. Walters Solarray.com NABCEP # 04170442 On Jul 25, 2009, at 9:18 AM, Nick Vida wrote: here is one i came

Re: [RE-wrenches] High Snow Load on PV modules

interested a sheet on how to calculate this, if you're not seeing it. R. Walters Solarray.com NABCEP # 04170442 On Jul 28, 2009, at 8:57 AM, Greg Egan wrote: My solution to snow load issues is to install modules on racks so they can tilt to 90 degrees when it's snow season. I guess

Re: [RE-wrenches] Quick Release PV System

What if every 4 rows or so, you left extra space to hack into the roof to ventilate? How big a hole do they need to cut and how often? R. Walters Solarray.com NABCEP # 04170442 On Jul 29, 2009, at 7:43 PM, solar...@aol.com wrote: And to my knowledge, there exists no certified

Re: [RE-wrenches] Power Factor

not hurt the PF problem in most situations. Correct me on any and all of this, Oh fellow wrenches, R. Walters Solarray.com NABCEP # 04170442 On Jul 30, 2009, at 9:19 AM, boB Gudgel wrote: Ron Young wrote: Ok, so all seem to be in agreement more or less. How do I break it to British

Re: [RE-wrenches] Seasonal Adjusters

On Aug 15, 2009, at 6:49 PM, jay peltz wrote: I don't have a photo, but have seen a pole mount, in the ground, run up the side of the building, supported by the building by a bracket, which can mount a tracking or non tracking pole mount. jay We've done mounts like this before, when

Re: [RE-wrenches] Solar 12 volt DC lighting for school in Haiti

total chaos. R. Walters Solarray.com NABCEP # 04170442 On Aug 18, 2009, at 5:58 AM, Travis Creswell wrote: I don’t have time to do the exact math but think a small inverter and linear fluorescent is a clear winner of your trying to adequately light the bulk of the class room. Linear

Re: [RE-wrenches] FW250

multiple inverters, or doing a more complex off grid system (DC loads, wind, etc). Midnite's E-panel and battery box make for a very clean Grid tie w/ battery backup system. We just couldn't fit systems in such small spaces before. R. Walters Solarray.com NABCEP # 04170442 On Aug 26, 2009

Re: [RE-wrenches] ballasted roof rack - on the ground?

of dollars in damage. R. Walters Solarray.com NABCEP # 04170442 On Aug 20, 2009, at 9:35 PM, Geoff Greenfield wrote: esteemed wrenches (or just steamed if youve been out in the hot lately) I'm curious why more folks don't use the same flat roof ballasted rack approach for large

Re: [RE-wrenches] wind generators

, and for lightning. 5) Get a spare rectifier, and fuses, so if you do have a lighting incident, you don't have to make 2 trips. 6) Get a receiver mounted winch for your truck, for raising and lowering. My 2 pennies, R. Walters Solarray.com NABCEP # 04170442 On Aug 27, 2009, at 4:33 PM, Kirk Herander

[RE-wrenches] Service Magic

money, and bring you nothing but grief. Please let's all avoid these outfits, and not lend them any of our credibility. Thanks, R. Walters r...@solarray.com Solar Engineer R. Walters Solarray.com NABCEP # 04170442 ___ List sponsored by Home