Re: [RE-wrenches] Evergreen

Title: Re: [RE-wrenches] Fw: Evergreen Dana, Thank you for this information. I would like to clarify what you wrote. We have long accepted that trackers may be expected to increase daily output by about 35-40% in the summer and 10-15% in the winter, due to the differences in the sun's seasonal

Re: [RE-wrenches] Flowlight parts--brush replacement

only once seen worn out brushes. I know that you can stretch the brush springs a bit to better contact the armature, and that will likely get you by until parts are again available. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician

Re: [RE-wrenches] Obscure/obsolete QO breaker....

Chris, I don't believe that any of these parts are obsolete. You just make up the box with standard SqD components. Just make sure to include a couple of #6 wire-to-wire mechanical connectors (the correct descriptor escapes me) as you can't double-lug a QO breaker.

Re: [RE-wrenches] OB VFX3648 vs Munchkin?

Dan, Long-winded response compendium below. This is my record of a on-list and off-list Wrenches discussion of a similar boiler issue on one of our jobs, about a year ago. The issue never got resolved with Magnum or Buderus, but when the customer's hydronic contractor changed to a different

Re: [RE-wrenches] Load or Line Side was Solar accumulation panel

Carl, The AHJ is mistaken. It's the same logic that is used to defend the point that the inverter breaker doesn't need a backfeed clip. The inverter is considered a load, not a source, because it cannot produce voltage or current when the grid is off per UL 1741, just as a traditional load

Re: [RE-wrenches] Mounting to SIPs, revisited

Just a note of caution here: "Tech" screws are "Tek" screws, which are essentially a sheet metal thread following a pilot drill point, on a hardened shank. They are intended for mounting only into metal, not wood; the drill point isn't designed to self-pilot into wood, and the drill section is

Re: [RE-wrenches] kwh meters

Title: Re: [RE-wrenches] kwh meters The 12-S approach in the Solar Pro article only works with 120V inverter systems. I am facing a similar issue with our first XW system, which was chosen for this application because it's the only GTWB 120/240V single inverter unit. We also currently have a

[RE-wrenches] Absolyte Battery Question

. App Engineer, and said 9 amps per 100 amp-hours." OK, so if I use the C/20 rate, I need to charge at 177 amps. Double that if both strings are used. Right. I need better advice, so it's time to request it here. Thank you. -- Allan Sindelar Allan@positiveenergysolar.com NABCE

Re: [RE-wrenches] 3 Phase Grid Tie with Battery Backup

Sunny Boy/Sunny Island will accomplish this.

Re: [RE-wrenches] 3 Phase Grid Tie with Battery Backup

Yes you would. I don't believe there is a single inverter that meets the utility's wishes.

[RE-wrenches] Grid-Tie Upgrade Problem

Fellow Wrenches, One of our first batteryless grid-tied installations needs an upgrade and I need to ask this list for suggestions re how it might be done. In late 2001 we installed two poles in the ground at a home. On one pole we mounted ten BP SX120s on a dual-axis Wattsun tracker. Input

Re: [RE-wrenches] Grid-Tie Upgrade Problem

Mick, I appreciate the suggestion, but that's part of why I overlooked the problem that led to this request: The current BP115s and 125s are 12V modules, similar to the Kyoceras. The old SX120s are 24V - likely 72 MSX60 cells in a larger frame - which I need to get the voltage up for the Sunny

Re: [RE-wrenches] Generators and Grid-tie Systems

Eric, The inverter output should connect to the grid, either at the meter or main panel, as if the generator isn't there. The critical (backed up) loads should be moved to a separate panel. Install feeders between the two panels, with a transfer (either/or) switch somewhere in the line. The

Re: [RE-wrenches] rebar v/s fiber

Recently I worked with Jeff Randall, rack design engineer at DPW, on the design of a PT rack for 9 SW230s, a fairly large array, in a bosque (desert river corridor near the Rio Grande) location. We predicted a 6' underground water table and were limited to a 36" by 72" augered hole, and Jeff

[RE-wrenches] NABCEP website ideas

Wrenches, Recently I wrote to NABCEP with two requests, for changes on the website's public information: 1. In addition to a state-by-state list of certificants, have also a single overall alphabetized list that is not delimited by state, to allow a quick check if an installer who claims

[RE-wrenches] MC Labels

Wrenches, Has anyone located a source of wrap-around labels, to label + and - leads on MC cables, both in the junction boxes and exposed? Thanks, Allan --

[RE-wrenches] Fwd: Apollo charge controllers

Wrenches, As I sometimes do here, I sent a Wrench question about the monitoring function of the Apollo T80 controller to Apollo, with an offer to post a response. Here ya go. Note that the first paragraph of the answer is key; the rest is basic FAQ stuff for homeowners. In short: it works

Re: [RE-wrenches] DC wire sizing

Yes, they are 100% duty rated. Also, a little-known fact about the CBI breakers used by Midnite and Outback, gleaned from conversations with Robin Gudgel: because of this hydraulic/magnetic construction, all are capable of controlling both AC and DC, even if not listed as both.

Re: [RE-wrenches] CBI Breakers (was DC wire sizing]

Regarding the first part: yep, it let me keep the customer's system working on a job in the middle of nowhere using what I had on the truck (famous cop-out words, I know). Regarding the 100% rating, Robin, isn't that provided by the manufacturer, determined through the listing process? If CBI

Re: [RE-wrenches] sources of DC equipment

[RE-wrenches] 600VDC Safety Switch question

82345R and H82345 are rated only 250VDC in a fine-print note in their catalog. I don't think that what I'm asking for exists, but wiser Wrenches may prevail. Can anyone suggest another brand and product model that meets these requirements? Thank you, Allan -- Allan Sindelar Allan

Re: [RE-wrenches] 600VDC Safety Switch question

August, Precisely. And it's a dumb idea, I know. But it's part of a utility-scale RFP, and it specifically calls out switching the DC input. This is too early a stage in the process to figure out better approaches; first we have to qualify for the job. Surprisingly, Boltswitch makes one, and

[RE-wrenches] Service Magic update request

Wrenches, There was a thread last year about Service Magic's lead generation "service". At that time, the strongest message I heard was not to let them in, because their leads are seldom good and you can't get rid of them. I don't think that I recall a single positive review of them on this

[RE-wrenches] KD135 source?

Wrenches, A distributor told me today that Kyocera is currently out of KD135s, backordered until next month. With relatively few good 12V modules available these days, anyone know of a good distributor with KC125, KC130, or KD135s in current stock? Thank you, Allan --

Re: [RE-wrenches] Lorentz Sub Pump

We were burned pretty well by the period of bad Lorentzes and vowed never again. Given the long time and close relationship between Windy and myself, that wasn't decided lightly. Given Chris' and Jeff's posts, I'm willing to cautiously reconsider. Dave, you need to find out the vintage of the

[RE-wrenches] Solarex module match question

Wrenches, We have an off-grid customer with a system that has been growing since 1996; we have cared for it intermittently since 2000. The customer has two tracked arrays currently. One has ten Astropower AP120s for 1200 nominal watts, but that's not the topic today; it'll come up in 5 years

Re: [RE-wrenches] monitor for SW4048 grit interactive system

Todd, According to their website (I haven't tried them) the ENVI monitors suggested by Jeff Yago are 120/240 in single phase, and multiple sending units can send data to one display. Their website shows a basic PV GT setup. So I think a single system could do it. You are thinking more in terms

Re: [RE-wrenches] Lorentz Sub Pump

Jeff, What are the brands and specs of the relays you use? I have always avoided relays on array-direct operation, figuring the widely varying array voltage would wreak havoc with dc coil relays. How do you select a relay, given typical arrays that you use? Allan

Re: [RE-wrenches] Lorentz Sub Pump

Title: David Katz David, I'm not, but maybe Kent is. I had asked Jeff Oldham what brands and specs of relays he uses. Allan

[RE-wrenches] Solarex module match question

. Allan -- Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie Santa Fe, New Mexico 87507 505 424-1112 www.positiveenergysolar.com ___ List

Re: [RE-wrenches] Solarex warranty claim: who can I call?

Mick, Years ago Ezra Auerbach told me about Solarex having made bunches of bad modules in the early 90s. The modules had correct Voc and Isc but essentially a flat I/V curve. He said he stopped using any Solarex back then because they didn't recall a product with a known and acknowledged

Re: [RE-wrenches] kWh performance warranties (was volcanos)

Joel, Your link has nothing to do with the kWh performance warranties being discussed, so I'm confused. The warranty referenced simply says that "The insurers will indemnify for any reduction in power loss from CNPV's warranted, 90% guaranteed energy output in the first 10 years and 80% in the

Re: [RE-wrenches] Ideal platform for flooded type batteries: opinions wanted

Each of us has developed our own solutions. I like to keep batteries in a tempered space, to maintain reasonable winter temperatures. Tempered doesn't mean thermostatic heat, but an insulated space with a trombe wall that holds 50F or more in winter is sweet. I often put batteries indoors in

Re: [RE-wrenches] Heinz 57 off-grid array - What should I do with the solar modules?

Bob, What you are describing is not as uncommon as you may think - it's kinda how things were often done by off-grid homeowners: adding modules as needs grew over the years. I have told many homeowners in years past that yes, you can add additional PV modules at any time - these were what were

Re: [RE-wrenches] Heinz 57 off-grid array - What should I do with the solar modules?

Ray's right - start over.

Re: [RE-wrenches] suggested scary language

We get custom plaques made up for each job through our local electrical distributor, Summit Electric in Santa Fe. Phenolic, red with white engraved letters, exterior 3M peel-n-stick, delivered in two days. If you can't find the same where you are, try 505 438-8400, ask for Edward.

Re: [RE-wrenches] BP Boycott?

Whoever you are, state your name in your message. An anonymous challenge like this is diminished by your failure to include your name.

Re: [RE-wrenches] Load size for off-grid lodge

Jason, We attempted this about 2-3 years ago for a project on one of Ted Turner's ranches. This was to be a top-of-the-line eco-lodge at 10,000' below a ridge in the northern Rockies in New Mexico, with two 7kW Provens and a 3-phase Sunny Boy/Sunny Island system. Due to the lack of real load

Re: [RE-wrenches] Tiny load problem

Bob, If I step back and look at your question, another bigger question comes up: if you are designing a system with two inverters in order to double charging current, you must have a pretty good sized battery bank. In general, I would suggest that you look at a 48V system, rather than 24V,

Re: [RE-wrenches] current carrying conductor

Marco, Seems to me he's right. It carries the net current difference between L1 and L2 from the transformer to the loads. But not having any EE training, I'm willing to learn better. Allan

Re: [RE-wrenches] AC breakers used in DC applications

Wow, Michael, look at the monster you have created, Dr. Frankensolarbozo! Yes, that's the thread. And I was about to post that Windy left today for Costa Rica...just a trip, not a move. William, there are certain perfectly appropriate applications - such as a pressure switch controlling a DC

Re: [RE-wrenches] Grundfos SQ FLEX AC/DC auto switching

Kirpal, I did this about 5 years ago, on an array-direct irrigation pump with the ability for the client to run a generator when needed. Yes, it's all automatic, and no additional relay is needed. When the IO101 senses AC it automatically closes a contactor - AC coil, NO is the AC, NC is the

Re: [RE-wrenches] Grundfos SQ FLEX AC/DC auto switching

Mark, Your message gave me pause, as I just last week specified this setup, so I checked into it with our Grundfos rep. He said he had never heard anything recommending against the flex in a pressure system. He said the SQF doesn't know the difference between 40 psi and 100' of head. At the

Re: [RE-wrenches] Grundfos SQ FLEX AC/DC auto switching

Kirpal, For the occasional odd high-current DC contactor, I like MDI. They made the mercury displacement contactors used years ago in the Ananda/APT Powercenters. Check out http://www.mdius.com/relays.php#High_Voltage to see if they have anything you can use. Allan

Re: [RE-wrenches] Enphase with paralleled 12 volt modules?

Bill, Simplest suggestion is to email Marv with your specific situation. I did recently for a customer wanting to turn an off-grid array of mismatched modules into GT; he told me my suggested approach would work fine. This included pairs of 12V Astropower AP120s.

Re: [RE-wrenches] Astopower 120 failure

on this list about warranties. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie Santa Fe, New Mexico 87507 505 424-1112 www.positiveenergysolar.com On 6/8/2010 9:13 AM, Carl Hansen

Re: [RE-wrenches] Astopower 120 failure ERRATA

BP replaced all 12 of my underperforming Solarex MSX64s under warranty around 2002. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie Santa Fe, New Mexico 87507 505 424-1112

Re: [RE-wrenches] two VFX3524's and a Franklin 3hp sub pump

in your situation. Allan Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie Santa Fe, New Mexico 87507 505 424-1112 www.positiveenergysolar.com Hello offgrid Wrenches, I just

Re: [RE-wrenches] Additional Battery Charger

hundred bucks by adding FX3048s, with a lower charge rate - I think they're compatible with the higher-output VFXes. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie Santa Fe, New Mexico

Re: [RE-wrenches] One pump or two - WAS two VFX3524's and a Franklin 3hp sub pump

and is used intermittently. I expect that we will do more single-pump systems in coming years, but we have generally had good experience with dual-pump systems. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc

Re: [RE-wrenches] Bad Cell

Yep, sure sounds like you have a bad cell. It may be covered under warranty. You can jumper around it, to temporarily take it out of the system while you secure a replacement. Reset the charge settings to 23/24 of what they'd be otherwise. Allan Sindelar Allan

[RE-wrenches] Unisolar US64 problem

We have an off-grid customer whose PV arrays seem to be under performing and we're not sure why. The customer has 16 Unisolar US64 modules, which have a peak output of 3.88 amps, but which were only putting out from 2 to 2.4 amps each. He has a C40 charge controller, so they were operating off

Re: [RE-wrenches] Battery Boxes?

August, Opinion: if a customer can afford GTWB, which is more expensive by its nature, the customer can afford an $850 enclosure and inspectors like them. I have had only success with Concorde SunXtender. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic

Re: [RE-wrenches] Mixing miss matched modules

ll rewired to 60V nom. Never tried the mismatched voltage strings; just figured not worth trying on the customer's nickel. Sounds to me like the ex-husband and the ex-wife may have been pretty well suited to each other... Allan Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Ph

Re: [RE-wrenches] SQflex pump line verses standard AC pumps

of rubber helical rotor stators changed compounds at one point, causing all sorts of problems, and Lorentz didn't step up, admit the problem and fix it until too late. Allan Sindelar Allan

Re: [RE-wrenches] Trojan L16 2v vs 6v

Howie, I understood it to mean Open Circuit Voltage, or resting voltage, as this formula tends to fit that. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified

Re: [RE-wrenches] Propane Generator, Dual Outback Inverters

. Darryl is right about the amount of words necessary. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive

Re: [RE-wrenches] Propane Generator, Dual Outback Inverters

operation isn't something to lose sleep over. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc

Re: [RE-wrenches] calculating DC voltage drop

Mike, Why do you make this exception, please? Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician

Re: [RE-wrenches] calculating DC voltage drop

this well. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie

Re: [RE-wrenches] #10 THWN-2

John Wiles stuff. Allan Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc

[RE-wrenches] Midnite Magnum E-Panel Unofficial Service Bulletin

, on other projects, so I trusted him to terminate correctly in the E-Panel. Turns out it was his fresh eyes that caught what we had overlooked because we hadn't expected it. Allan -- Allan Sindelar Allan

Re: [RE-wrenches] USE-2 in white?

. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie Santa Fe, New Mexico 87507 505 424-1112

Re: [RE-wrenches] USE-2 in white?

The red is USE-2, RHH and RHW-2, rubber jacket. BiccGeneral (sp?) Durasheath. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J

[RE-wrenches] Source for STP175s

. -- Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie Santa Fe, New Mexico 87507 505 424-1112

Re: [RE-wrenches] Voltage discrepancy

water consumption, not more. Allan Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc

Re: [RE-wrenches] DR2424 inverters charging poorly: three units in two days!

Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie Santa Fe, New

Re: [RE-wrenches] DR2424 inverters charging poorly: three units in two days!

-grid application. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle

Re: [RE-wrenches] 48v small controllers

Morningstar makes a 48V Prostar. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy

Re: [RE-wrenches] Surrette AGM's

SunXtender, now available up through 2V 1200 A/hr cells. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician

Re: [RE-wrenches] On Demand Heaters for SDHW3

. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie Santa Fe, New Mexico 87507 505 424-1112

[RE-wrenches] PV Module Match Question

. -- Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie Santa Fe, New Mexico 87507 505 424-1112

[RE-wrenches] ARRA Question

Does anyone know if NABCEP is a requirement for any project that uses ARRA funding? Thank you, Allan -- Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic

Re: [RE-wrenches] Interconnection downstream of ATS

to grid. I can see two downsides: 1) the continuous tiny load of the contactor coil, and 2) you would have to run signal cable from the grid point on the ATS (or ahead of it) to the contactor at the inverter.'s point of connection to AC. Allan Sindelar

[RE-wrenches] Trace/Xantrex info

? Where's XW support? Has Schneider dropped even documentation support, along with extreme price hikes on service parts? Thank you, Allan -- Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer

Re: [RE-wrenches] Trace/Xantrex info

and Backup for anything except XW and TR series. No thanks to Schneider. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc

Re: [RE-wrenches] RE-wrenches Digest, Vol 3, Issue 566

Pratt and a few others...and Matt Lafferty. And few can write as entertainingly as Matt, although sometimes I wish his posts were vastly shorter...I welcome Matt's posts. My $0.020001 Allan Sindelar Allan@positiveenergysolar.com

[RE-wrenches] Need simple solution to reverse dry-contact logic on SQF water system

how it works. Any good ideas, please? -- Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie S

[RE-wrenches] Outback tech support; was Generator auto start

Energy's lead installer and key technician from 1998-2004. He then worked at Conergy until that wasn't fun any more, and now he's up in Washington at Outback. So he's a Wrench, a poster to this list, and genuinely knows his stuff. Allan Allan Sindelar

Re: [RE-wrenches] Battery polarity check

to allow full 24V until a replacement arrived. James Surrette made it right for us, but it was embarrassing for us. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician

Re: [RE-wrenches] paralleling FM-60's

Mick, I don't believe Apollo make a T-100, only a T80 and T-80HV. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc

Re: [RE-wrenches] Mounting Enphase when using S-5-PV Clamps

We have used these for years. They work better than wire ties, but the rubber liner deteriorates over time, so install them as if there is no rubber protection on the loom clamp. Allan Sindelar Allan@positiveenergysolar.com

Re: [RE-wrenches] paralleling FM-60's

. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie Santa Fe, New Mexico 87507 505 424-1112

Re: [RE-wrenches] Battery Placement

on the sides, are not compliant, as Robin has acknowledged, but it has never been a problem for us as the breakers are still easy to access. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer

Re: [RE-wrenches] Battery Placement

this issue, as it's a different layout. If necessary, one solution would be to mount the E-Panel several inches out from the wall surface. Allan Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer

Re: [RE-wrenches] Battery Placement

compliant to mount an E-Panel above a 15" deep battery enclosure, given the breaker location? No harm intended. Thanks, Allan Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer

Re: [RE-wrenches] Battery Placement

Jay, the original issue wasn't about the breakers being on the side; it was about putting a battery cabinet underneath the disconnect enclosure. If the cabinet sticks out too far, it violates working clearance in the code. Allan Sindelar

[RE-wrenches] Code reference needed

Wrenches, what's the actual Code reference location for the requirement that service equipment be within 6" of the same plane? I couldn't find where I expected it in Art. 110. Thanks, Allan -- Allan Sindelar

[RE-wrenches] Need SDHW Flexible Tubing recommendation

has used this product? Whose product do you like? Needs to be well made and readily available to ship. Thanks for any advice; I need to get this ordered and in place before the insulation is sprayed into the roof. Allan -- Allan Sindelar

Re: [RE-wrenches] warranty liabilities

For us, primarily BP. Allan On 11/1/2010 7:44 PM, Drake wrote: At 02:58 PM 11/1/2010, you wrote: I am finding that many modules are failing at 4+ years old. What brands of module are you having that problem with? ___ List sponsored by Home

Re: [RE-wrenches] Expected Life of DR2424

this helps! Allan Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie Santa Fe, New Mexico

Re: [RE-wrenches] Boiler on SW inverter

customer and it's your own home. Allan Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie San

Re: [RE-wrenches] 120 volt grid tie inverter

somewhere in the range of zero... Does this help with your explanation to your customer, Bob? Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J

[RE-wrenches] Positive-ground question re Sunpower

Wrenches: This has been addressed before in a slightly different context, so a short answer is enough. Can a Sunpower module be used successfully in a negative-grounded low-voltage system? The situation: Mark in our Taos office sent me the following: "We have an

Re: [RE-wrenches] Code switch heights

Bob, This came up once years ago. I recall that there is no minimum height in the Code for your application. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified

[RE-wrenches] Seeking tool belt advice

! Allan -- Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie

Re: [RE-wrenches] Never seen this before...

Warren, Could you make the pix viewable without registering or logging in first? Thanks, Allan Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic

Re: [RE-wrenches] wrenches] Internet-based monitoring -- including battery banks?

/pentametric. Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie

[RE-wrenches] Fwd: RE: Good service on Lorentz

Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie Santa Fe, New Mexico 87507 505 424-1112 www.positiveenergysolar.com

Re: [RE-wrenches] To insulate a battery bank

Allan Sindelar Allan@positiveenergysolar.com NABCEP Certified Photovoltaic Installer EE98J Journeyman Electrician Positive Energy, Inc. 3201 Calle Marie Santa Fe, New Mexico 87507 505 424

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