William I prefer to use the Flexware for my Sunny Island Installs the wiring configuration is very similar to that of the vfx series inverters and wires up very similar.
On the three inverter SI system is this a hybrid with generator? If so how did they configure the DigIn for monitoring between gen and grid mode? If you want to see a pic I can send you one Jason -----Original Message----- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of re-wrenches-requ...@lists.re-wrenches.org Sent: Saturday, February 8, 2014 7:37 AM To: re-wrenches@lists.re-wrenches.org Subject: RE-wrenches Digest, Vol 7, Issue 56 Send RE-wrenches mailing list submissions to re-wrenches@lists.re-wrenches.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.re-wrenches.org/listinfo.cgi/re-wrenches-re-wrenches.org or, via email, send a message with subject or body 'help' to re-wrenches-requ...@lists.re-wrenches.org You can reach the person managing the list at re-wrenches-ow...@lists.re-wrenches.org When replying, please edit your Subject line so it is more specific than "Re: Contents of RE-wrenches digest..." When responding to posts within the Digest, be sure to restore the Subject: line to the original, and please edit out any extraneous lines from the quoted message. Today's Topics: 1. Re: (RE-wrenches) Solar Repair Puzzle (John Powell) 2. Re: DC Fusing/Breakers for Battery Circuits (August Goers) 3. Sunny Island Battery Disconnects (will...@millersolar.com) 4. Re: Sunny Island Battery Disconnects (Ray Walters) 5. Re: Sunny Island Battery Disconnects (August Goers) 6. Re: Sunny Island Battery Disconnects (Brian Teitelbaum) 7. Re: Sunny Island Battery Disconnects (wire...@gmail.com) 8. Charging a HUP (br...@willpowerelect.com) 9. Re: Sunny Island Battery Disconnects (d...@foxfire-energy.com) 10. Re: Sunny Island Battery Disconnects (Richard L Ratico) 11. Re: Sunny Island Battery Disconnects (Allan Sindelar) 12. Solaredge inverters w/ backup generator (Kirk Herander) 13. Re: Tigo (d...@foxfire-energy.com) ---------------------------------------------------------------------- Message: 1 Date: Fri, 7 Feb 2014 15:57:29 -0800 From: John Powell <a...@solforce.com> To: RE-wrenches <re-wrenches@lists.re-wrenches.org> Subject: Re: [RE-wrenches] (RE-wrenches) Solar Repair Puzzle Message-ID: <b4447d77-4810-4d52-8140-823961e05...@solforce.com> Content-Type: text/plain; charset="windows-1252" Hello Wrenches, Here is a solar repair puzzle. I am debugging a faulty and now partially non-functional grid-tie job in Southern California installed by another (non-cooperative) contractor. One of two inverter's has failed (2 months post warranty) and I am trying to find a solution for the homeowner that doesn't involve a complete system re-install and meter main panel upgrade. Here are the repair issues: #1) ARRAY DESIGN FLAW: There are 2 inverters with single MPPTs that each serve arrays with panels facing in two directions (90 degrees azimuth apart) in the same single source circuit string. Details: 30 KC130GT panels facing East. 18 KC130GT Panels facing South. Each 3000 watt inverter has 1 string of 24 Panels?mixed and matched. (and here's the kicker---10 separate physical sub-arrays?really) (Note: module and array wiring not "PV" rated) #2) INVERTER FAILURE. One of the two inverters (A piece of crap Xantrex GT3.0 that was field-serviced for the bad capacitor in 2011) is kaput. #3) GROUND FAULTS: Wet weather ground faulting on PV source circuit for failed 3K inverter (fuses blown 3 times.) No significant voltage to ground when dry. Don't yet have a wet wire voltage reading to find fault. #4) CODE VIOLATIONS. A) Meter Main Buss Overload. 100 amp rated panel. 100 amp MCB. 40 amp solar breaker. Even better?a famously flammable Zinsco buss and breakers. 28.4 amps max combined continuous inverter current. (not likely due to the different azimuths of the array, but?you know?way over NEC 690.64.B.2). B) Inadequate GEC?undersized and improperly spliced all over the place. Thus: Is this poor old lady just hosed? Any clever ideas to save her from a massive repair and meter main upgrade? She is looking at 10k+ fix. Second story steep roof? I'm stumped. Best regards, Abe -- J. Abraham Powell President Solforce Systems, Inc. 224-G South Milpas Street Santa Barbara, CA 93103 e-mail: a...@solforce.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachme nts/20140207/c45e2344/attachment-0001.htm> ------------------------------ Message: 2 Date: Fri, 7 Feb 2014 16:36:13 -0800 From: August Goers <aug...@luminalt.com> To: RE-wrenches <re-wrenches@lists.re-wrenches.org> Subject: Re: [RE-wrenches] DC Fusing/Breakers for Battery Circuits Message-ID: <ef020fdbfe6016068b0cb20790593...@mail.gmail.com> Content-Type: text/plain; charset="iso-8859-1" Hi All, Correction: Another Wrench member contacted me off-list and noticed that we have a class RK5 in one photo and a T in the other photo. This opens up the question of whether one or both are correct or incorrect. I think both are rated for 20k AIC for DC voltage but I'll have to look through my order records to be certain. The R is slow acting and the T is fast acting. Best, August *From:* August Goers [mailto:aug...@luminalt.com] *Sent:* Friday, February 07, 2014 3:32 PM *To:* 'RE-wrenches' *Subject:* RE: [RE-wrenches] DC Fusing/Breakers for Battery Circuits Hi Dan, I've been wondering the same think. We've been fusing with a class T in the battery box and grounding the negative side of the batteries. See attached pics. Do you feel that the fuses should be outside of the battery box? Best, August Luminalt Energy *From:* re-wrenches-boun...@lists.re-wrenches.org [ mailto:re-wrenches-boun...@lists.re-wrenches.org<re-wrenches-bounces@lists.r e-wrenches.org>] *On Behalf Of *Dan Fink *Sent:* Friday, February 07, 2014 9:27 AM *To:* RE-wrenches *Subject:* Re: [RE-wrenches] DC Fusing/Breakers for Battery Circuits Does anyone have any elegant solutions to this? It's really time consuming and ugly to run big parallel battery string wires *out* of the battery enclosure to class T fuses, then back into the battery box. It looks very ugly and DIY, and in conduit adds a few hundred to the install cost just for labor. The Class T fuses and blocks themselves are not particularly expensive. I have been recommending parallel fusing on battery banks of 2x8 L16s and over now, after a nearly tragic incident with a bad cell that shorted. The (perfectly legal) wooden battery box made the fire much worse. A pet peeve of mine. Dan Fink, Executive Director; Otherpower Buckville Energy Consulting Buckville Publications LLC NABCEP / IREC accredited Continuing Education Providers 970.672.4342 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachme nts/20140207/8206df9a/attachment-0001.htm> ------------------------------ Message: 3 Date: Fri, 7 Feb 2014 17:29:04 -0800 From: <will...@millersolar.com> To: "'RE-wrenches'" <re-wrenches@lists.re-wrenches.org> Subject: [RE-wrenches] Sunny Island Battery Disconnects Message-ID: <002401cf246d$27884170$7698c450$@millersolar.com> Content-Type: text/plain; charset="us-ascii" Friends: I am reworking an installation with 3 Sunny Island inverters. The battery leads have no disconnecting means or OCP. I have been looking for sensible hardware to provide this and I have found some options. I am interested in any input on these or ideas I have not discovered. 1. SMA BATFUSE. I am having trouble deciding which one is right for a 3 SI install. a. The B.003 appears to have fuse positions for the positive and the negative leads. I am fairly darn certain I don't want fuses in the negative leads of a negative bonded system, and although this is my first SI install, I am pretty sure this is negative bonded. Am I missing something here? b. The B.001 has only positions for two fuses as far as I can see from the manual. c. So it looks like neither will work for me. Does anyone have any experience and/or wisdom here? 2. Midnite Solar E-panels: a. The regular panel has DC and AC components. I want to control the AC elsewhere so I could order three slave units. The Midnite unit mounts right under the inverter but I would prefer to have the OCP closer to the batteries. 3. Outback: a. We could purchase an Outback FX1000 and install three breakers in it. 4. Breaker Size: a. I have started to read the manual but I have yet to find out what size breaker fuse is recommended. Have I just not found it yet? b. Also, I have not found a specification for battery cable size. Am I blind? Thanks in advance. I really appreciate the help I receive here. I try to give as well as receive. William -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachme nts/20140207/cc9a8b6c/attachment-0001.htm> ------------------------------ Message: 4 Date: Fri, 07 Feb 2014 18:55:18 -0700 From: Ray Walters <r...@solarray.com> To: RE-wrenches <re-wrenches@lists.re-wrenches.org> Subject: Re: [RE-wrenches] Sunny Island Battery Disconnects Message-ID: <52f58e86.9010...@solarray.com> Content-Type: text/plain; charset="iso-8859-1"; Format="flowed" I'm working on something similar. I think the Flex 1000 is the only reasonable choice that can handle more than 2 of the large format DC breakers. Midnite has the more expensive MNBCB -1000 Battery Combiner box, but there just isn't enough documentation to figure out what it can and can't do. R.Ray Walters CTO, Solarray, Inc Nabcep Certified PV Installer, Licensed Master Electrician Solar Design Engineer 303 505-8760 On 2/7/2014 6:29 PM, will...@millersolar.com wrote: > > Friends: > > I am reworking an installation with 3 Sunny Island inverters. The > battery leads have no disconnecting means or OCP. I have been looking > for sensible hardware to provide this and I have found some options. > I am interested in any input on these or ideas I have not discovered. > > 1.SMA BATFUSE. I am having trouble deciding which one is right for a > 3 SI install. > > a.The B.003 appears to have fuse positions for the positive and the > negative leads. I am fairly darn certain I don't want fuses in the > negative leads of a negative bonded system, and although this is my > first SI install, I am pretty sure this is negative bonded. Am I > missing something here? > > b.The B.001 has only positions for two fuses as far as I can see from > the manual. > > c.So it looks like neither will work for me. Does anyone have any > experience and/or wisdom here? > > 2.Midnite Solar E-panels: > > a.The regular panel has DC and AC components. I want to control the > AC elsewhere so I could order three slave units. The Midnite unit > mounts right under the inverter but I would prefer to have the OCP > closer to the batteries. > > 3.Outback: > > a.We could purchase an Outback FX1000 and install three breakers in it. > > 4.Breaker Size: > > a.I have started to read the manual but I have yet to find out what > size breaker fuse is recommended. Have I just not found it yet? > > b.Also, I have not found a specification for battery cable size. Am I > blind? > > Thanks in advance. I really appreciate the help I receive here. I > try to give as well as receive. > > William > > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-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 > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachme nts/20140207/f9c6c714/attachment-0001.htm> ------------------------------ Message: 5 Date: Fri, 7 Feb 2014 18:02:00 -0800 From: August Goers <aug...@luminalt.com> To: RE-wrenches <re-wrenches@lists.re-wrenches.org> Subject: Re: [RE-wrenches] Sunny Island Battery Disconnects Message-ID: <3b8f356a754a66277008b578a68fd...@mail.gmail.com> Content-Type: text/plain; charset="iso-8859-1" Hi William, You might try reaching out to Roy Dyngen of SMA - he is a good contact for these types of general questions. Email me off list if you would like his contact info. Is the SMA BATFUSE available in the US? Anyway, SMA has always recommended connecting the negative of the batteries to ground when I called their tech support line. As always, you would not fuse a grounded conductor so the negatives wouldn't be fused. We've been using fuse blocks and fuses to fuse our DC lines per one of my recent posts. It is certainly not the cleanest way to provide over current protection but gets the job done and I think is perfectly adequate. I typically fuse each string of batteries with a 175 A fuse and use 2/0 wire. I think 3/0 is the largest that the terminal blocks in the Sunny Island can handle -buried in the manual section 6.2.2 you'll find that. A 175 A fuse allows for 6720 Watts of power (175 A x 48 v / 1.25) on the DC side or 8400 Watts before the fuse will blow and it protects the 2/0. You will want to fuse each string of batteries before combining them and running to the Sunny Islands. I'll check out the products you've listed below and consider using them for our next project as well. Best, August *From:* re-wrenches-boun...@lists.re-wrenches.org [mailto: re-wrenches-boun...@lists.re-wrenches.org] *On Behalf Of * will...@millersolar.com *Sent:* Friday, February 07, 2014 5:29 PM *To:* 'RE-wrenches' *Subject:* [RE-wrenches] Sunny Island Battery Disconnects Friends: I am reworking an installation with 3 Sunny Island inverters. The battery leads have no disconnecting means or OCP. I have been looking for sensible hardware to provide this and I have found some options. I am interested in any input on these or ideas I have not discovered. 1. SMA BATFUSE. I am having trouble deciding which one is right for a 3 SI install. a. The B.003 appears to have fuse positions for the positive and the negative leads. I am fairly darn certain I don't want fuses in the negative leads of a negative bonded system, and although this is my first SI install, I am pretty sure this is negative bonded. Am I missing something here? b. The B.001 has only positions for two fuses as far as I can see from the manual. c. So it looks like neither will work for me. Does anyone have any experience and/or wisdom here? 2. Midnite Solar E-panels: a. The regular panel has DC and AC components. I want to control the AC elsewhere so I could order three slave units. The Midnite unit mounts right under the inverter but I would prefer to have the OCP closer to the batteries. 3. Outback: a. We could purchase an Outback FX1000 and install three breakers in it. 4. Breaker Size: a. I have started to read the manual but I have yet to find out what size breaker fuse is recommended. Have I just not found it yet? b. Also, I have not found a specification for battery cable size. Am I blind? Thanks in advance. I really appreciate the help I receive here. I try to give as well as receive. William -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachme nts/20140207/1661568a/attachment-0001.htm> ------------------------------ Message: 6 Date: Fri, 7 Feb 2014 18:28:18 -0800 From: Brian Teitelbaum <bteitelb...@aeesolar.com> To: RE-wrenches <re-wrenches@lists.re-wrenches.org> Subject: Re: [RE-wrenches] Sunny Island Battery Disconnects Message-ID: <8961DF9D3453CF41A4A5B6E6BECA4C77249468AC05@VS-SJEXCH01.recsolar.local> Content-Type: text/plain; charset="us-ascii" William, Are those the older Sunny Island 4.2 or 5kW units, or the newer 4.5 or 6kW units? Is this single-phase or three phase? The SMA BATFUSE would work, but it is not available in the US. It's not Code compliant nor UL Listed. You could use the OutBack FW1000-DC, but you are going to have a little fun doing the DC cabling and conduit. The older Islands had dual 1/0 battery terminals. The newer ones have a single 3/0 terminal. Unfortunately, those sizes are hard to find in proper flexible battery/inverter cable, mostly because it doesn't sell in enough volume for distributors to carry. It also doesn't properly match available DC breaker sizes, like 4/0 and 2/0 cable does. SMA worked directly with MidNite Solar to develop the MidNite E-Panel system for the Sunny Islands. It's what I would recommend using. For one thing, they have dealt with the DC cable and fusing size issues (and, no, you are not blind). You can run 2/0 (4.2 or 4.5kW units), or 4/0 (5 and 6kW units) to the E-Panels However, I don't know offhand if they work with the older Islands. If you are dealing with the older units, you should contact them to confirm that they will fit. If it's three-phase at 208 VAC, I also recommend that you use one of the MidNite three-phase Master units (MNE250SMA-3PH-Master) and two slaves. It has a three-phase bypass switch and color-coded bus bars for a full three-phase system. There isn't a whole lot in there that you won't likely use. The AC output on the bypass will just act as an AC main breaker. You can then run that to an external load center. Now, the distance from the battery bank issue is new. These systems have been installed for a couple of decades now with up to 12 feet between the battery and the first disconnect, breaker, or fuse. Of course, that doesn't make it right, or compliant with the 2014 Code. The industry really needs to come up with a good solution here. The Wrenches thread over the last few days about placing fuses on or near batteries shows that an easy solution is not available (or not known), at least not for flooded batteries. Brian Teitelbaum AEE Solar From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of will...@millersolar.com Sent: Friday, February 07, 2014 5:29 PM To: 'RE-wrenches' Subject: [RE-wrenches] Sunny Island Battery Disconnects Friends: I am reworking an installation with 3 Sunny Island inverters. The battery leads have no disconnecting means or OCP. I have been looking for sensible hardware to provide this and I have found some options. I am interested in any input on these or ideas I have not discovered. 1. SMA BATFUSE. I am having trouble deciding which one is right for a 3 SI install. a. The B.003 appears to have fuse positions for the positive and the negative leads. I am fairly darn certain I don't want fuses in the negative leads of a negative bonded system, and although this is my first SI install, I am pretty sure this is negative bonded. Am I missing something here? b. The B.001 has only positions for two fuses as far as I can see from the manual. c. So it looks like neither will work for me. Does anyone have any experience and/or wisdom here? 2. Midnite Solar E-panels: a. The regular panel has DC and AC components. I want to control the AC elsewhere so I could order three slave units. The Midnite unit mounts right under the inverter but I would prefer to have the OCP closer to the batteries. 3. Outback: a. We could purchase an Outback FX1000 and install three breakers in it. 4. Breaker Size: a. I have started to read the manual but I have yet to find out what size breaker fuse is recommended. Have I just not found it yet? b. Also, I have not found a specification for battery cable size. Am I blind? Thanks in advance. I really appreciate the help I receive here. I try to give as well as receive. William -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachme nts/20140207/a1d383a7/attachment-0001.htm> ------------------------------ Message: 7 Date: Fri, 7 Feb 2014 21:17:34 -0500 From: wire...@gmail.com To: RE-wrenches <re-wrenches@lists.re-wrenches.org> Subject: Re: [RE-wrenches] Sunny Island Battery Disconnects Message-ID: <CAFPWnN6nGBg5Nzou+a9YQZk_BdrNNdT6O9LnwWSmwWx=6qb...@mail.gmail.com> Content-Type: text/plain; charset="iso-8859-1" Take a look at Blue Sea www.bluesea.com Larry On Feb 7, 2014 8:30 PM, <will...@millersolar.com> wrote: > Friends: > > > > I am reworking an installation with 3 Sunny Island inverters. The battery > leads have no disconnecting means or OCP. I have been looking for sensible > hardware to provide this and I have found some options. I am interested in > any input on these or ideas I have not discovered. > > > > 1. SMA BATFUSE. I am having trouble deciding which one is right > for a 3 SI install. > > a. The B.003 appears to have fuse positions for the positive and > the negative leads. I am fairly darn certain I don't want fuses in the > negative leads of a negative bonded system, and although this is my first > SI install, I am pretty sure this is negative bonded. Am I missing > something here? > > b. The B.001 has only positions for two fuses as far as I can see > from the manual. > > c. So it looks like neither will work for me. Does anyone have any > experience and/or wisdom here? > > 2. Midnite Solar E-panels: > > a. The regular panel has DC and AC components. I want to control > the AC elsewhere so I could order three slave units. The Midnite unit > mounts right under the inverter but I would prefer to have the OCP closer > to the batteries. > > 3. Outback: > > a. We could purchase an Outback FX1000 and install three breakers > in it. > > 4. Breaker Size: > > a. I have started to read the manual but I have yet to find out > what size breaker fuse is recommended. Have I just not found it yet? > > b. Also, I have not found a specification for battery cable size. > Am I blind? > > > > Thanks in advance. I really appreciate the help I receive here. I try to > give as well as receive. > > > > William > > > > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-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 > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachme nts/20140207/c5511ff4/attachment-0001.htm> ------------------------------ Message: 8 Date: Fri, 07 Feb 2014 23:46:09 -0700 From: <br...@willpowerelect.com> To: re-wrenches@lists.re-wrenches.org Subject: [RE-wrenches] Charging a HUP Message-ID: <20140207234609.4bb9be2b2fe7dbe5419661c7f5dbcaaf.aeb4511416....@email02.secu reserver.net> Content-Type: text/plain; charset="us-ascii" An HTML attachment was scrubbed... URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachme nts/20140207/a6398365/attachment-0001.htm> -------------- next part -------------- A non-text attachment was scrubbed... Name: sigimg0 Type: image/jpeg Size: 3467 bytes Desc: not available URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachme nts/20140207/a6398365/attachment-0001.jpeg> ------------------------------ Message: 9 Date: Sat, 08 Feb 2014 06:00:27 -0700 From: <d...@foxfire-energy.com> To: "RE-wrenches" <re-wrenches@lists.re-wrenches.org> Subject: Re: [RE-wrenches] Sunny Island Battery Disconnects Message-ID: <20140208060027.720a661d8db719b1f2ad39509c9edaa3.c4c5aa5d87....@email14.secu reserver.net> Content-Type: text/plain; charset="us-ascii" An HTML attachment was scrubbed... URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachme nts/20140208/4c201650/attachment-0001.htm> ------------------------------ Message: 10 Date: 08 Feb 2014 08:59:58 -0500 From: richard.l.rat...@valley.net (Richard L Ratico) To: re-wrenches@lists.re-wrenches.org Subject: Re: [RE-wrenches] Sunny Island Battery Disconnects Message-ID: <167614...@retriever.valley.net> Content-Type: text/plain Ray, Way back in 2002, you mentioned using Boltswitch products for battery string fusing immediately outside the battery box. Might one of these be a partial solution for William? Dick Ratico Solarwind Electric --- You wrote: I'm working on something similar. I think the Flex 1000 is the only reasonable choice that can handle more than 2 of the large format DC breakers. Midnite has the more expensive MNBCB -1000 Battery Combiner box, but there just isn't enough documentation to figure out what it can and can't do. R.Ray Walters CTO, Solarray, Inc Nabcep Certified PV Installer, Licensed Master Electrician Solar Design Engineer 303 505-8760 On 2/7/2014 6:29 PM, will...@millersolar.com wrote: > > Friends: > > I am reworking an installation with 3 Sunny Island inverters. The > battery leads have no disconnecting means or OCP. I have been looking > for sensible hardware to provide this and I have found some options. > I am interested in any input on these or ideas I have not discovered. > > 1.SMA BATFUSE. I am having trouble deciding which one is right for a > 3 SI install. > > a.The B.003 appears to have fuse positions for the positive and the > negative leads. I am fairly darn certain I don't want fuses in the > negative leads of a negative bonded system, and although this is my > first SI install, I am pretty sure this is negative bonded. Am I > missing something here? > > b.The B.001 has only positions for two fuses as far as I can see from > the manual. > > c.So it looks like neither will work for me. Does anyone have any > experience and/or wisdom here? > > 2.Midnite Solar E-panels: > > a.The regular panel has DC and AC components. I want to control the > AC elsewhere so I could order three slave units. The Midnite unit > mounts right under the inverter but I would prefer to have the OCP > closer to the batteries. > > 3.Outback: > > a.We could purchase an Outback FX1000 and install three breakers in it. > > 4.Breaker Size: > > a.I have started to read the manual but I have yet to find out what > size breaker fuse is recommended. Have I just not found it yet? > > b.Also, I have not found a specification for battery cable size. Am I > blind? > > Thanks in advance. I really appreciate the help I receive here. I > try to give as well as receive. > > William > --- end of quote --- ------------------------------ Message: 11 Date: Sat, 08 Feb 2014 08:15:07 -0700 From: Allan Sindelar <al...@positiveenergysolar.com> To: RE-wrenches <re-wrenches@lists.re-wrenches.org> Subject: Re: [RE-wrenches] Sunny Island Battery Disconnects Message-ID: <52f649fb.9010...@positiveenergysolar.com> Content-Type: text/plain; charset="us-ascii" An HTML attachment was scrubbed... URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachme nts/20140208/0a66f12b/attachment-0001.htm> ------------------------------ Message: 12 Date: Sat, 8 Feb 2014 10:32:03 -0500 From: "Kirk Herander" <k...@vtsolar.com> To: "RE-wrenches" <re-wrenches@lists.re-wrenches.org> Subject: [RE-wrenches] Solaredge inverters w/ backup generator Message-ID: <004901cf24e2$eb1626a0$c14273e0$@vtsolar.com> Content-Type: text/plain; charset="us-ascii" Hello, I recently posed the question to Solaredge tech support, wondering if their inverter, in this case a 20kw 480 3-phase, would have any issues if it were connected to an AC panel backed up by a generator. They told me no problem, for the inverter's anti-islanding will work if it sees the "generator frequency" and therefore will not try to push PV power to the panel. But isn't 60 hz, 60hz regardless of origin? There's got to be more to it than that. I question this because I asked the same to SMA several years ago and they were hard-set against connecting Sunnyboys to a panel with generator backup, so I always would establish the point of interconnection upstream of the generator feed. Comments? Thanks. Kirk Herander VT Solar, LLC dba Vermont Solar Engineering NABCEPTM Certified Inaugural Certificant NYSERDA-eligible Installer VT RE Incentive Program Partner 802.863.1202 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org/attachme nts/20140208/df8c08f5/attachment-0001.htm> ------------------------------ Message: 13 Date: Sat, 08 Feb 2014 08:36:14 -0700 From: <d...@foxfire-energy.com> To: "RE-wrenches" <re-wrenches@lists.re-wrenches.org> Subject: Re: [RE-wrenches] Tigo Message-ID: <20140208083614.720a661d8db719b1f2ad39509c9edaa3.c6544e31b4....@email14.secu reserver.net> Content-Type: text/plain; charset="us-ascii" An HTML attachment was scrubbed... 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