Re: [RE-wrenches] Rapid Shutdown for Off-grid systems

2022-01-31 Thread penobscotsolar
Hi William, We have a half dozen plus off grid systems using SolArk inverters and TIGO optimizers. They work well and the TIGO's, from my experience, have been really reliable. The necessary 12 volt signal can come directly from the relay in the SolArk inverter. Best, Daryl DeJoy NABCEP

Re: [RE-wrenches] Load imbalance issues with SolArk?

2021-02-03 Thread penobscotsolar
Hi Nick, We have about 16 SolArk's installed and have a single 12 kW that has that "bus imbalance" error every once in a while. It seems to be a specific appliance (electric mixer) that it does it with, and only occasionally. I spoke with SolArk about it and they have a small "plug in" that

Re: [RE-wrenches] Best LiPO Battery for Sol-Ark

2021-02-01 Thread penobscotsolar
I would reiterate you take a look at Fortress Evaults. We have many, and in multiple numbers, installed with SolArk and they are an elegant solution. Daryl > Hi Jason, > > Simpliphi AccESS taps out at a maximum of 22.8 kWh per unit. I really > appreciate the integrated bussing system on the

Re: [RE-wrenches] Energy Storage and Working Spaces for Other Equipment

2021-01-31 Thread penobscotsolar
We have been using them regularly with Fortress Power EVaults (18.5 kW) with very good results. Fortress is working on the communications between the two, already have their Flex5Kw battery working with it. Easy to install, dependable and the 400 lb EVault is on wheels. Just back from installing a

Re: [RE-wrenches] Microgrid... Outback or SMA or other?

2020-09-10 Thread penobscotsolar
We've had great luck using the Tigo (and SMA) optimizers with SolArk to conform to NEC2017 and CEC2018. > There is a huge distinction in a hybrid inverter that integrates MPPT > charge control. Eliminating all of the extraneous hardware and circuit > protection associated with charge controllers

Re: [RE-wrenches] Microgrid... Outback or SMA or other?

2020-09-10 Thread penobscotsolar
Hey Bill, They're still small enough that, at least so far, there is no hold music! And we combine ac outputs with an "ac combiner panel" simply a single phase or three phase panel, with each inverter feeding a breaker in that panel and ensuring that we use either a main breaker that can be

Re: [RE-wrenches] Microgrid... Outback or SMA or other?

2020-09-09 Thread penobscotsolar
What do you see, Dave? We have 6 12 kW and two 8 kW installed so far in the Bahamas and two here in Maine, all with Fortress batteries, and I cannot be more pleased. I do wish they had a remote monitor panel for easier at home monitoring and I guess I would rather they had their own monitoring

Re: [RE-wrenches] Dr Pepper on Metal Roofs

2020-08-25 Thread penobscotsolar
http://www.magneticshoes.com/home > we switched to "clear" soda as the cola's and colored variety were > sometimes leaving trace evidence behind on (un coated) galv roofing.. it > is still critical you anchor up so the crew has something to hold onto.. > Be safe out there humans!!  > > Joe

Re: [RE-wrenches] Skybox

2020-05-04 Thread penobscotsolar
I second Jay's suggestion to look at the SolArk. The 8kW has no battery disconnect, but the 12 kW has one, if you're using non-lithium based batteries. Daryl Penobscot Solar Design > HI Dave, > > The reason I’ve not used it, is that is has no surge. > > You might also look at the Sol Ark > >

Re: [RE-wrenches] Lithium Ion Batteries

2020-03-21 Thread penobscotsolar
Fortress EVaults have their own lcd screen with Soc, but Dave is right, it's not as accurate on RE Optics. We do get a battery reading without any add-ons, they are just usually off up to 10% from each other. > > > Hi David, > > They all work but none of them can get Soc and a few other > things

Re: [RE-wrenches] Lithium Ion Batteries

2020-03-20 Thread penobscotsolar
Hi Dave, We've been using Fortress Power EVaults (18.5 kw per) with good results with Radian 8048's Daryl > Hello Wrenches, > I am working with some people that want to use a 20 kw-hour to 30 kw-hour > 48 volt lithium-ion battery with an Outback Radian and Outback FM charge > controllers. >

Re: [RE-wrenches] Large Lithium 100 kWh-200kWh

2020-02-24 Thread penobscotsolar
We have been using Fortress 18.5 kWh, 48 volt battery banks with SolArk inverters. Six and six work well for a 100 kW system. With SolArk (and really, all batteries) it is highly recommended to use busbars to parallel all battery connections. This also makes it easy to double the battery size.

Re: [RE-wrenches] Sol-Ark audible noise

2020-02-20 Thread penobscotsolar
Hi Kent, We have two 8 kW and four 12 kW installed in the Bahamas. We installed one in a bedroom closet about two months ago and the client is still happy. There are some relays and occasional hum but to my ears, they are less noisy than the XW+ and certainly no more than the Radian. The

Re: [RE-wrenches] Real World Sol-Ark experience

2020-02-02 Thread penobscotsolar
The easiest way is using TS4-A-F (TIGO) optimizers. > How is rapid shutdown achieved with Sol-Ark? > > On Sun, Feb 2, 2020 at 1:45 PM wrote: > >> I'm with you Joe, >>We have a half dozen installed in the Bahamas, off grid and multiple >> hybrid uses, and they are my go-to from now on. The

Re: [RE-wrenches] Real World Sol-Ark experience

2020-02-02 Thread penobscotsolar
I'm with you Joe, We have a half dozen installed in the Bahamas, off grid and multiple hybrid uses, and they are my go-to from now on. The 12 kW I particularly like and they are coming out with a more "universal" communications dongle for the slightly confusing current online monitoring

Re: [RE-wrenches] SolarEdge woes

2019-08-02 Thread penobscotsolar
One of my pet peeves with SolarEdge (I have a few) is that we are now forced to buy the StorEdge inverters with GSM service, an extra $400 or so added to the price of the inverter. The carrier is T-Mobile, which does not work in 95% of Maine. It does not seem to work with other carriers where we

[RE-wrenches] Schneider tech support (again)

2019-07-29 Thread penobscotsolar
Hi all, I have been registered as an installer for Schneider tech support for quite a while. I no longer have a way to contact them. The number I received refers me to internet support. Any help out there. I have a bad out of the box off grid Conext SW 2524. Thanks for any help, Daryl

Re: [RE-wrenches] Lithium Batteries

2019-05-03 Thread penobscotsolar
Hi Howie, Have you looked at Fortress Power batteries? We're about to install some and they look like a very decent battery. Google will get you the basic info to start. Daryl Penobscot Solar Design > Hi Folks, > About to spec my first Lithium battery backup job. The client is not a >

Re: [RE-wrenches] experience with the Tesla Powerwall

2018-02-13 Thread penobscotsolar
I would like to add my experience with Tesla so far. We applied to be an installer in Maine more than a year ago. Beside getting an initial email stating that they received our application, we have not heard a word since. I have one client with a SolarEdge 7600 StorEdge who put a deposit down in

Re: [RE-wrenches] 1/2 HP well pump soft start at 120 VAC

2018-02-09 Thread penobscotsolar
Hi Dana, We have been using Grundfos SQ-O 1/2 hp, 5 GPM (or they have a 10 GPM model) soft start pumps for years, with great outcomes. We have sold 60 or so over the years with no returns. Daryl > Hey all you solar wise guys, > > > > I am looking for a recommendation based on your

Re: [RE-wrenches] has anyone ever had this happen?

2018-01-23 Thread penobscotsolar
Hi Jay, My advice is walk away unless they want to meet your terms. You will save yourself a tremendous amount of trouble/waiting/lost sleep/lost money. I do 50% of my business internationally, mostly in the Caribbean. If they do not accept my very reasonable terms (prepay for all materials,

Re: [RE-wrenches] Schneider 600volt Charge Controller

2018-01-18 Thread penobscotsolar
FYI Howie, Schneider engineers are actively working on a communication solutions between the Schneider Xanbus and Midnite controllers. I've been talking to an engineer working on it who says it should be ready very soon. It will also work with the combox for remote monitoring. Daryl > Hi

Re: [RE-wrenches] Businesses in Puerto Rico

2017-10-23 Thread penobscotsolar
I just spent a couple of months over the past year in Western PR, investigating possibly buying a home.living/working/doing business there. I was unimpressed with the solar companies I talked with. The biggest company, with offices across PR, had racking which I would never use in Maine, never

Re: [RE-wrenches] SimpliPhi Power PHI3.4 Smart -Tech Batteries

2017-08-04 Thread penobscotsolar
Funny, Tom, I was just looking at these as well and wondering if they would work with SolarEdge StorEdge solutions. The Tesla Powerwall 2, which several of my clients have deposits down on, seems to be only ghosts, although with an excellent PR firm behind themI'm looking for alternatives.The

Re: [RE-wrenches] No more Enphase

2017-07-17 Thread penobscotsolar
That is true. The problem is selling a product and saying you will provide installer compensation, then withdrawing it when you feel like it is a very short term "fix". They have alienated many installers who have been installing and selling their product for many years and you'd think that if

Re: [RE-wrenches] Enphase installer compensation M-190's discontinued

2017-07-06 Thread penobscotsolar
I believe that I found out for certain. I spoke to two different people at Enphase and was "assured" that I would not be compensated as of June 1, 2017 for any M-190 replacements. I told them I would be purchasing SolarEdge, not Enphase, from now on until they felt that, as I do, they were

[RE-wrenches] Enphase installer compensation M-190's discontinued

2017-07-06 Thread penobscotsolar
Hi all, For those who have installed M-190's, Enphase has now discontinued as of June 1st any installer compensation for replacing failed microinverters with that designation. We have a system we installed in 2011 that I found out today, after replacing the three failed M-190's, that I was on

Re: [RE-wrenches] Question

2017-06-15 Thread penobscotsolar
Sorry, 200 amp main breaker in a 400 amp rated panel. > Hi Daryl, > > From your description, yes, if you are attaching to lugs connected to > busses and then to the 400A main breaker, with no other overcurrent device > between, you would have to size the wire for the 400A rating. > > Brian

Re: [RE-wrenches] Question

2017-06-15 Thread penobscotsolar
I re-read and see that I need to clarify my earlier question. The 400 amp, 120/208 panel has a main breaker that will be used for the utility input, coming in on 3/0 copper. The four 60 amp breakers will be used because the four 10 kW inverters maximum ac output is 48 amps each (x 1.25 =60 amps

[RE-wrenches] Question

2017-06-15 Thread penobscotsolar
Esteemed wrenches, We're working often in the Bahamas and now that net metering is approved there, the inspectors are far behind in their comprehension. That said, we are currently required to combine the utility with the PV in a main load center before going to the generator transfer switch. I

Re: [RE-wrenches] Goofy roofing

2017-06-10 Thread penobscotsolar
These guys sell all sizes: https://www.buyrailings.com/product/hanger-bolt-316-stainless-steel-m8-x-2-each-/5368?gdffi=a1d228a0145c40b2b64b7bf62559eafa=A2FA3E88DA104CFB950485A2F169884A==CNmksPTrs9QCFQpMDQod7S0LYA Daryl > Dear Wrenches, > Can anyone direct me to a source for stainless hanger

[RE-wrenches] Three phase, ac coupled system

2017-06-04 Thread penobscotsolar
Esteemed wrenches, Would anyone have a suggestion for an 8-10 kW 3 phase 208/120 battery based inverter that might be ac coupled with a Solaredge grid tied system already in place? None of the usual suspects (OutBack, Schneider, Magnum,SMA, etc.) will work without considerable expense. Has

Re: [RE-wrenches] Tree lights

2017-06-02 Thread penobscotsolar
I have used three strings of these for three seasons now and they keep on tickin'...decent company and decently made lights with a lot of variety: https://www.environmentallights.com/led-christmas-lights/led-solar-string-lights.html Daryl > I would also like something that is built for the

Re: [RE-wrenches] Apollo Contact

2017-06-02 Thread penobscotsolar
I'm not sure if Daniel Two Eagles is still working with Apollo, but his number is (603)654-4333. Maybe he can help if these other suggestions don't. Daryl > I believed I used the below number about a year ago: > > 203-790-6400 <%28203%29%20790-6400> > > > I've also used: > > >

Re: [RE-wrenches] Canadian Electrical Code question about load side taps

2017-05-26 Thread penobscotsolar
I'll rephrase this and possibly someone has a suggestion. In the Bahamas (they use CEC 2015), they are currently not allowing any load side taps in gentran switches. They suggest including a large, expensive load center with backfed breakers to combine the utility and pv ac output before

[RE-wrenches] Canadian Electrical Code question about load side taps

2017-05-24 Thread penobscotsolar
Is anyone out there familiar enough with CEC 2015 to answer a question for me about load side taps in a generator transfer switch? To the best of your knowledge, is using load side taps allowed when connecting PV to the utility side of an ATS? Thanks, Daryl DeJoy NABCEP Certified PV Penobscot

Re: [RE-wrenches] Solaria modules

2017-05-08 Thread penobscotsolar
They aren't out of business. The downside, for me, is that the standard racking we use (SnapN Rack) comes in 122" and 162" lengths. I think of these as three module and four module lengths. With Solaria, they're not. The modules are too wide (41.6") for the "standard" configuration. There is a

Re: [RE-wrenches] Polaris gone bad?

2017-04-09 Thread penobscotsolar
William, The only place we use splicing is in the transition box, where we transition from USE/RHW or PV wire to THWN in conduit. We almost always have this transition in smaller systems without need of a combiner box. I suspect it is the same for others. In larger systems there is no need for

Re: [RE-wrenches] Polaris gone bad?

2017-04-06 Thread penobscotsolar
Chris, I had this happen once about six years ago. We do torque to specs, but anything is possible. We have been using Burndy products for the past five years and have zero problems with them. They are actually just a little bit less in cost than Polaris. Daryl DeJoy NABCEP Certified PV

[RE-wrenches] Saluda, South Carolina

2017-01-17 Thread penobscotsolar
Hello wrenches, I have a serious inquiry from a man in Saluda, SC. Is anyone on here close to this area of western South Carolina and want a live one? Please contact me off list. Thanks, Daryl ___ List sponsored by Redwood Alliance List Address:

Re: [RE-wrenches] Racks. Jeff Randalls info

2017-01-11 Thread penobscotsolar
Jeff Randall RC FAB Corporation 2615 Princeton Dr NE Albuquerque, NM 87107 505-503-6459 Cell: 505-288-5552 > He changed the name to RC Fab about a year ago, but when I last talked > with him they were changing the name again. Check RC Fab in Albuquerque, > NM > > > >> I can't find

Re: [RE-wrenches] Racks.

2017-01-11 Thread penobscotsolar
He changed the name to RC Fab about a year ago, but when I last talked with him they were changing the name again. Check RC Fab in Albuquerque, NM > I can't find the link to Jeff randles new rack company? > > Can someone help me out > > Thx > Jay > Peltz power. > > Sent from my iPhone > >> On

Re: [RE-wrenches] Solar World Wind Damage

2017-01-10 Thread penobscotsolar
Hi Ray, I don't have much advice, but I can tell you that we have a couple of ground mounted arrays at a local college (along the ocean) on the same DPW high wind rated racks. The college chose to buy Chinese modules from a competitor instead of my recommendation and one of the modules, after

[RE-wrenches] Is this ok, Michael?

2016-11-28 Thread penobscotsolar
FYI, everyone, as someone who looked to Jeff Randall for many, many years for high quality racking and custom battery boxes, I am happy to see he has reincarnated his old business, and named it Solar Rackworks. Here's a link to his new site. I am not an employee nor related in any way, just a

Re: [RE-wrenches] SMA Arc-Fault

2016-11-10 Thread penobscotsolar
There is at least one company (nameless at this point, but not SMA) that has been providing replacements for swapping out faulty arc fault detectors in their inverters. Could it be possible you have a bad detector? Daryl > Hi All, > > Maybe someone will have some ideas for why a couple

Re: [RE-wrenches] Rolls Surrette Re-combiner caps.

2016-10-13 Thread penobscotsolar
We supply them to all our clients in the Bahamas and they do help cut down on watering to various degrees. In hot climates with a lot of sun every little bit helps. Call Roy at RAE Storage Battery to see if he can get you some. (860)828-6007 Daryl > Top o' the morning! > Has anyone used the

Re: [RE-wrenches] #6 PV Wire Transition

2016-10-07 Thread penobscotsolar
This is what I would use, Corey. http://www.elecdirect.com/lug-compression-connectors/insulated-power-connectors/insulated-powerbar-4-14sol-single-sided-entry-3-conductors-clear?gclid=CIaN4KHKyM8CFURbhgodTlwGxA Daryl > We're looking for a way to transition from #6 PV wire to #8/#10 PV wire >

[RE-wrenches] Metal roof multi-fastener attachment

2016-08-28 Thread penobscotsolar
Hi all, I have some possibilities of reasonable size commercial jobs where the buildings have "corrugated" type roofs with purlins run underneath which are worst case 16 gauge steel. On steel roofs I typically use #14 Marutex stainless screws but in this case the job is in the Caribbean and

Re: [RE-wrenches] Cat 5 cable in 240 AC power conduit with #2 alum entrance wire.

2016-08-22 Thread penobscotsolar
Very simply, is this not contrary to the NEC? I did not think we could run wires of differing voltages in the same conduit. This is your CYA to the client. Daryl > Well, I don’t think anyone on this list is a network specialist, which > is what I would consider an expert…. But… > > > >

Re: [RE-wrenches] Enphase Support Non-Responsive

2016-08-06 Thread penobscotsolar
We pay half the price for SolarEdge optimizers that we pay for Enphase micros. On a system of any decent size the cost is minimally different, at least in our experience. Customer service is important to me, as well as companies doing what they say they will do. Over four months for reimbursement

Re: [RE-wrenches] Enphase Support Non-Responsive

2016-08-05 Thread penobscotsolar
It is a very simple install. With SolarEdge there is no trunk cable, which definitely cuts down on wire management, especially using SnapNRack mounting. Everything is MC4, so PV wire to a transition box, to the inverter input(s) make it pretty simple. We almost always mount our inverters outside,

Re: [RE-wrenches] Enphase Support Non-Responsive

2016-08-05 Thread penobscotsolar
Since I am having such a tough time even getting a call back, never mind reimbursments, we have started very happily using SolarEdge with very good results so far. Communications, no problem, occasional tech support is timely, we are seeing less than a 1% failure on optimizers. Ease and safety of

Re: [RE-wrenches] Enphase Support Non-Responsive

2016-08-05 Thread penobscotsolar
Just to renew this line of conversation, I have been waiting for several call backs form Enphase, with no results, for the past three weeks. I also have warranty claims that go back four months+ that have not been fulfilled. I will not sell any more Enphase, at all, until they resolve these

Re: [RE-wrenches] Steel Trusses

2016-06-07 Thread penobscotsolar
We use this: https://www.bigrocksupply.com/store/p/5943-EternaBond-DoubleStick-2-in-x-50-ft.aspx?feed=Froogle=CIP7jrKEl80CFVclgQod0pkJvA > ​Yeah, the three suppliers in my area all give me the same nonsense - > it's > not in their catalog and they have to order a full pallet to get it. I'm

Re: [RE-wrenches] Scam ?

2016-04-10 Thread penobscotsolar
Ignore, Dave. I get this crap at least weekly, if not more Daryl > Wrenches, > > > > People named Dave Firth and Hugh Tian have been trying to get me to > respond > to emails that say I sent a company, Power Blessed a PO. Which I did not, > I've never heard of them before this. > > > > I

Re: [RE-wrenches] SIPS panel roofs

2015-12-16 Thread penobscotsolar
Hi Dana, We have done them, but our method only works when the interior is unfinished, for (I guess it depends on the customer) aesthetic reasons. I had aluminum "plates", 8"x8" and 1/8" thick made up by a local fabricator. We also fabricated flashing for the topside using 12" aluminum. We used

Re: [RE-wrenches] Outback customer service???

2015-12-10 Thread penobscotsolar
Have to add to this thread that I called them this morning with a minor issue and they picked up from hold within one minute. Daryl > The manuals could be a lot better too. Usually I need a few pages > from a long manual, and don't benefit from reading pages and pages of > warnings and basic

Re: [RE-wrenches] Outback customer service???

2015-12-08 Thread penobscotsolar
I too have been frustrated with Outback tech support. I have sat on hold for as long as 40 minutes before anyone picked up. I have suggested they have a "dealers only" line and as any good customer support person would, they empathized with me..One tech actually told me the majority of

Re: [RE-wrenches] Outback customer service???

2015-12-08 Thread penobscotsolar
I talked to David Hamilton (head of technical support) about this almost six months ago. I'm not sure why, but things have not changed as of yet. Hopefully soon. > I just got off the phone w/ Sandra Herrera, making her aware of this > thread. Sandra said she is aware of our frustrations and is

Re: [RE-wrenches] Rolls batteries

2015-10-22 Thread penobscotsolar
As with Tump, we have been using the KS series for over 20 years with little issue. My own particular caveat is that we have now started to use Crown as well and are finding them as rugged, easier to move (metal cases with handles), with built in water miser caps, and a better warranty, and with

Re: [RE-wrenches] 300 watt 60 cell

2015-09-18 Thread penobscotsolar
LG even has a 305 Neon. Very nice modules. Daryl > LG Neon? Available through several distributors. > > Jeff > > -Original Message- > From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On > Behalf Of jay > Sent: Thursday, September 17, 2015 8:03 PM > To: RE-wrenches >

Re: [RE-wrenches] to flash or not to flash

2015-08-06 Thread penobscotsolar
I'm with Jason. Even though for years we installed without flashing, we now use it on every job. It is code and besides, why take the chance? We use Snap N Rack flashing very successfully in Maine, where snow, ice, rain and large heat/cold expansion/contractions make flashing a great insurance. On

Re: [RE-wrenches] 300W 72 cell micro inverters

2015-02-09 Thread penobscotsolar
What do you typically get out of a 300 watt panel for production when you are grid tied? I know in theory (STC) it is a 300 watt module but we rarely if ever (except in very cold weather)see near that for an output. I use (as a general, 77 degrees F) design parameter, 77% for overall power

Re: [RE-wrenches] Enphase Gen4 - How Is It Doing?

2015-02-08 Thread penobscotsolar
We have 0 M-215 failures out of about 300 installed. Pretty good failure rate, if I do say so myself M215 failures? I've seen only 1 or 2 out of thousands. The M215 was a remarkable improvement over the M190. Are you having a different experience? Jason Szumlanski On Fri, Feb 6, 2015

Re: [RE-wrenches] 300W 72 cell micro inverters

2015-02-08 Thread penobscotsolar
Hey Jason, The M-250's work well with LG 300 watt (60 cell) modules. Daryl Hi Jason, The Enphase C250 Microinverters for three-phase commercial applications does work with 72 cell modules. On Sun, Feb 8, 2015 at 12:58 PM, Jason Szumlanski ja...@floridasolardesigngroup.com wrote:

Re: [RE-wrenches] Cable crimper question

2015-02-07 Thread penobscotsolar
I'm with Ray on this, Allan. 27 years of using Burndy and Greenlee crimpers with tinned copper lugs on battery and inverter cables without a failure says a lot. Like Ray, we do set it a little tighter than the scale indicates. Daryl If there actually is a small hydraulic pump connected between

[RE-wrenches] SW4024

2015-01-16 Thread penobscotsolar
Hi all, I know this is a real shot in the dark, but is there a possibility someone out there has an SW4024 for sale. I have an off grid client whose has a major issue. Because they are off grid, they do not want to send the inverter off to be fixed and have to run their generator for a couple

[RE-wrenches] Schneider Technical Support

2014-10-09 Thread penobscotsolar
Does anyone have a number for Schneider's solar tech support? It seems impossible to reach people there with a direct question, without having to send an email and wait by a phonesomething it is hard to do and make money at the same time. Thanks, Daryl DeJoy NABCEP Certified PV installer

[RE-wrenches] Beacon Power M5????

2014-08-11 Thread penobscotsolar
Hello fellow wrenches, I have an opportunity to inherit a poorly installed system which the client has had problems with for years OR simply replace his original, but no longer functioning Beacon Power M5 inverter. I would greatly prefer to do the latter, but Beacon has been out of business for

Re: [RE-wrenches] 2v metal cased cells

2014-07-12 Thread penobscotsolar
Jay, A couple of things. There is a source for the Surrette/Rolls as 2 volt cells in a single poly enclosure as opposed to the double, four volt cells. Contact me off list. We have been using these cells for more than 13 years in the Caribbean with great results. We do use ventilated

Re: [RE-wrenches] Small pump in larger casing

2014-05-09 Thread penobscotsolar
No problem at all Mac. We've done it for years with Grundfos pumps with great success (no service calls). The torque arrestors are a good thing, even with the no surge models. Daryl Hello wrenches, Is there any problem to putting a small diameter pump in a larger well casing? Specifically,

Re: [RE-wrenches] Propane block heaters

2014-04-12 Thread penobscotsolar
Mac, My only recommendation is that if they are off grid or concerned about consumption not to use one. We have many off grid systems installed in Maine (very cold weather) that have generators with block heaters which have been disabled. They start and run just fine without the heater. Daryl

Re: [RE-wrenches] 208 3 phase Off Grid Inverter

2014-03-26 Thread penobscotsolar
Hi Ray, This works very well with the SI's. We have an off grid, dual SI system in the Bahamas which uses 5 Classics and 20 kW of PV, along with a 60 kW generator. It's been in for about 6 months and the client is very pleased. Midnite makes a nice pre-wired panel (8' x4'), heavy, but in off

Re: [RE-wrenches] Huge battery bank recommendation

2014-03-11 Thread penobscotsolar
Mac, for this type of large system we typically use Surrette/Rolls 2YS31.They are 2430 ah. When we get into battery banks this large we typically only run two cells deep (front to back) for ease of maintenance. I hope your customer has some free time on their hands for maintenance. Remember,

Re: [RE-wrenches] Sunny Island battery OCP

2014-02-11 Thread penobscotsolar
Hi William, I wonder as well. About two months ago we installed a 20 kW off grid system using two SI6048's with Midnite Solar's BOS and while it made for an extremely heavy (two piece) powerpanel, it has performed very wel and seems that Midnite has done the homework for us in providing

Re: [RE-wrenches] Charge Controller with Configurable Maximum Output Current

2014-01-03 Thread penobscotsolar
I recently installed a system using a Classic that required current limiting. Like the OutBack, the limit setting can be a few amps off. I was told that to be safe, for a 60 amp max, to set the controller current limiting to 55 or 56 amps. It has been working great and has hit 59 amps several

Re: [RE-wrenches] Oddball wire request

2013-10-10 Thread penobscotsolar
Hi Allan, Is it possible to use 1/2 carflex connectors and nm carflex from panel to panel? You could then use THWN anywhere you wanted. This is what we used to do with all our systems back in the day Daryl html head meta http-equiv=content-type content=text/html;

Re: [RE-wrenches] question about pole mount interconnection

2013-10-08 Thread penobscotsolar
Ron, We also install a lot of top of pole mounts and use conduit similar to what Kirpal describes. We typically will trench and install the conduit before we pour the concrete foundations (at least to the elbow at the pole) as it allows for conduit to sweep up the pole instead of having to come

[RE-wrenches] MC4 center conductors

2013-08-19 Thread penobscotsolar
Hi all, Does anyone have a source of just the center conductor (small metal inserts) for MC4 connectorsI seem to have accumulated a lot of female - plastic without the associated crimpable center conductor Daryl ___ List sponsored by Home

Re: [RE-wrenches] PV Assist

2013-08-16 Thread penobscotsolar
Honestly, William, in these type of cases I usually walk away from the job if the customer isn't willing to reduce where possible. There is no such thing as a completely fool proof off grid PV system. Like a good lawyer, the best way to have a stellar record is to know which cases to takejust

Re: [RE-wrenches] Hawker versusu MK

2013-08-13 Thread penobscotsolar
I second Tump's experience! Daryl DeJoy NABCEP Certified PV installer Penobscot Solar Design I install large battery banks ALL the time. We DO NOT use any battery that is incased in a metal enclosure. REAL pain to move, cells DO go bad when they do its a real pain to bring the engine hoist

Re: [RE-wrenches] Tax credit question.

2013-07-27 Thread penobscotsolar
We have had at least a half dozen off grid folks with camps in Maine where they stay for a couple of months every year be completely honest with their tax person and receive the 30% federal tax incentive. Their tax people were comfortable with the wording vs. the use of the building with the

Re: [RE-wrenches] Generac Ecogen (was RE: generator suggestions)

2013-07-07 Thread penobscotsolar
Hi Kirk, The Ecogens we have out there (3) have been working great, without needing service. We do leave the switch set to manual which I don't believe has a phantom load. It so, it is very minimal as we haven't had customers complaining of lack of power. I continue to recommend them for small

[RE-wrenches] Victron inverter?Victron agm batteries?

2013-06-18 Thread penobscotsolar
Wrenches, I have a potential customer in Dominica who has asked for a quote. He has already spec'd out a system with an internet company. They have recommended a Victron 10 kw inverter, 5590 watts of PV and a 48 volt, 835 ah Victron battery bank. Does anyone have any experience with this

[RE-wrenches] Victron inverter?Victron batteries?

2013-06-18 Thread penobscotsolar
Wrenches, I have a potential customer in Dominica who has asked for a quote. He has already spec'd out a system with an internet company. They have recommended a Victron 10 kw inverter, 5590 watts of PV and a 48 volt, 835 ah Victron battery bank. Does anyone have any experience with this

Re: [RE-wrenches] Gas oven question

2013-06-10 Thread penobscotsolar
Hi Allan, While not a separate gas unit, Premiere makes a nice stainless steel and black propane gas stove/oven. It's sort of a step up from the Lehmans Catalogue old school stuff but still not what you're looking for. I have used one at home for the last four years with good experience

Re: [RE-wrenches] SnapNrack

2013-05-31 Thread penobscotsolar
It is my favorite. My crew said they would mutiny if I changed back to others we have used. Wire management is simplified due to a large channel, spacing of L feet can be up to 6 feet on a 12 pitch roof. We have tried many manufacturers and this is all we have been using for the last three years.

Re: [RE-wrenches] Enphase / Inverter failures

2013-05-09 Thread penobscotsolar
Living on the coast of Maine, the majority of our M-215 installs (approximately 200) are along the immediate coast, say, within a couple thousand feet of salt water. We have had zero failures of this inverter (M-215) since it came out. We had one non-coastal issue with AC Out Of Frequency events

[RE-wrenches] Cedar shingles/shakes

2013-05-08 Thread penobscotsolar
Would anyone be willing to share secrets about installing on Western Red Cedar shingle roofing shingles? We're looking at our first ever job on a 7 year old roof. Any and all suggestions welcome. Thanks, Daryl DeJoy NABCEP Certified PV installer Penobscot Solar Design

Re: [RE-wrenches] Enphase AC Frequency Out Of Range

2013-04-15 Thread penobscotsolar
Dave, In multiple conversations about this with both the utility and Enphase there was concern about high inductive loads, possibly from the paper mill in the town, that turned out not to be the case. The fix Enphase developed worked, but I thought it would be worth mentioning. Daryl Dave,

Re: [RE-wrenches] Enphase Wire Management

2013-04-11 Thread penobscotsolar
We use as clips specifically designed to hold Enphase trunk cable to SnapN Rack rails. We buy them from ARE. DARYL Heyco Sunbundler! Typos courtesy of my iPhone. On Apr 11, 2013, at 8:52 PM, Aaron Mandelkorn reoso...@gmail.com wrote: Just wondering what people like to use for supporting

Re: [RE-wrenches] Battery Terminal Connections

2013-04-01 Thread penobscotsolar
And I would second, third and fourth Alan, Ray and William's recommendations.Stainless steel flat washers on both sides of the terminal with a split washer and vaseline coating have kept almost all of our battery banks trouble free over the last twenty five years. We provide each customer a

Re: [RE-wrenches] Auto Gen on Outback

2013-03-27 Thread penobscotsolar
Hi Drake, We used to have problems with the Outback gen-start s/w, but it seems, at least over the last year, that Outback has gotten the software corrected. No complaints from customers over the last year (winter) say so. Time will tell, but I'm feeling more comfortable with them. Daryl

[RE-wrenches] Kudos to manufacturer!

2013-02-20 Thread penobscotsolar
Hi all, I am not sure Michael will let this one pass, but with all the problems we seem to have at times, I thought it was worth mentioning... We are currently working out of the country, in the Caribbean, in a very isolated, off grid location. Our distributor (this name will beheld for the

Re: [RE-wrenches] Enphase AC Frequency out of Range

2013-02-07 Thread penobscotsolar
Enphase engineers have contacted my client and will do a preliminary test of the Enphase fix sometime next week to see if it is effective. They will be using a Hioki PQA during the testing. I applaud Enphase for staying on this and even if this first fix needs some tweaking, I am confident they

Re: [RE-wrenches] Enphase AC Frequency out of Range

2013-02-05 Thread penobscotsolar
Dave, We have been having the same problem with an Enphase system in Maine. I have been dealing directly with the third tier engineers at Enphase and they are working on a software fix for this. Theevent itself is only a fraction of a second but IEEE requirements are that the inverter shut down

Re: [RE-wrenches] Enphase AC Frequency out of Range

2013-02-05 Thread penobscotsolar
Dave, It doesn't happen often, and the longest I've seen him stay down is about a half hour, but it seems to get progressively worse as time goes on for some reason (initially only the five minutes, but longer down times lately). This particular customer is difficult and picky, to boot. I hope

Re: [RE-wrenches] Enphase AC Frequency out of Range

2013-02-05 Thread penobscotsolar
Will do. Enphase had originally projected the beginning of February for the release of the fix. It is now projected for the end of March. I am hoping it will be a done deal before this next season starts here in Maine. It might be good incentive to try Power One, Exeltech or other inverters. In

Re: [RE-wrenches] Enphase AC Frequency out of Range

2013-02-05 Thread penobscotsolar
Thanks for the succinct explanation Nick. I look forward to the fix. Like you, I believe this is happening with other inverters, but lacking the level of monitoring available with Enphase, people just aren't aware it is happening. Daryl Hi wrenches, The frequency out of range issue is being

Re: [RE-wrenches] generator suggestions

2013-01-30 Thread penobscotsolar
with them I will continue to recommend them when they fit the bill. Daryl DeJoy NABCEP Certified PV installer PenobscotSolar Design I just found Generac's Off grid model 6 Kw. I know I've heard nothing but $% about Generac, but this unit appears to actually be designed specifically for off

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