[RE-wrenches] Fwd: Re: $300 + transmission fee!

Peter, Right, that is about it. The fee is a monthly fee. It will take a year of keeping the spike below that before the fee will be dropped from the bill. Thanks, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 NABCEP Certified PV Installation

[RE-wrenches] $300 + transmission fee!

encountered this? I wonder if there is any other type of rate schedule the building could be put on to eliminate this problem. AEP is not forthcoming about rate schedules or this issue. Thanks, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 NABCEP

Re: [RE-wrenches] EG4 Equipment

and it seems the quality isn't what it used to be. What is the best AGM battery these days? Thanks, Drake --- On 2024-02-16 17:02, Michael Morningstar via RE-wrenches wrote: We gave EG4 and Signature another chance after promises from their dealer oriented support department that we could

Re: [RE-wrenches] Fwd: Re: Cantilevered array

, drake.chamber...@redwoodalliance.org wrote: How do you deal with the rain gutters? Drake Chamberlin Media & Communication Action Project https://m-cap.org/ --- On 2024-02-08 16:46, Sky Sims via RE-wrenches wrote: I've designed and installed several thousand cantilevered arrays

Re: [RE-wrenches] Fwd: Re: Cantilevered array

How do you deal with the rain gutters? Drake Chamberlin Media & Communication Action Project https://m-cap.org/ --- On 2024-02-08 16:46, Sky Sims via RE-wrenches wrote: I've designed and installed several thousand cantilevered arrays over the last three decades and never had a si

Re: [RE-wrenches] State of Charge Meter for Sol-Ark

How does the lack of accuracy in SOC detection affect the usefulness of closed loop systems? _Drake Chamberlin_ _Athens Electric LLC_ _Ohio Electrical Contractor's License 44810_ _NABCEP Certified PV Installation Professional_ On 2024-02-05 11:36, William Miller via RE-wrenches wrote:

Re: [RE-wrenches] Schneider Insight Home and Insight Cloud

My experience with using Insight and Xanbus is that the projects never end. It is too bad, since Schneider equipment seems really good. The software issues don't seem to ever get completely solved. Possibly with a very simple system, the Xanbus might work OK. _Drake Chamberlin_ _Athens

Re: [RE-wrenches] Automatic load control

I use a Morningstar relay driver and 48 VDC relays to drop loads as the battery voltage drops. It works fine, and avoids the necessity of complex electronics. Drake _Drake Chamberlin_ _Athens Electric LLC_ _Ohio Electrical Contractor's License 44810_ _NABCEP Certified PV Installation

Re: [RE-wrenches] 48 V DC temp sensing relay

William, I'm planning to use a 48 V battery vent fan, turned around backwards, to blow air into the box. Thank you, Drake _Drake Chamberlin_ _Athens Electric LLC_ _Ohio Electrical Contractor's License 44810_ _NABCEP Certified PV Installation Professional_ --- On 2023-12-13 11:25

[RE-wrenches] 48 V DC temp sensing relay

current with 48 VDC contacts. Thank you, Drake _Drake Chamberlin_ _Athens Electric LLC_ _Ohio Electrical Contractor's License 44810_ _NABCEP Certified PV Installation Professional_ --___ List sponsored by Redwood Alliance Pay optional

Re: [RE-wrenches] SMA TL-22 insulation resistance error

It could be the inverter. The TL-22 series had a lot of problems with false arc fault errors. _Drake Chamberlin_ _Athens Electric LLC_ _Ohio Electrical Contractor's License 44810_ _NABCEP Certified PV Installation Professional_ --- On 2023-12-13 10:52, Dave Tedeyan via RE-wrenches

Re: [RE-wrenches] Radian Question

Certified PV Installation Professional_ --- On 2023-10-31 11:34, Drake Chamberlin via RE-wrenches wrote: Jay, It was a problem that surfaced before. Outback tech support was unable to figure it out. Then, the problem went away. Recently it showed up again. For the last couple of days it has

Re: [RE-wrenches] Radian Question

Professional_ On 2023-10-31 12:14, Jay via RE-wrenches wrote: Is the radian connected to grid sell? If so then I'd say yes the higher grid voltage is preventing connection. Jay On Oct 31, 2023, at 9:35 AM, Drake Chamberlin via RE-wrenches wrote: Jay, It was a problem that surfaced

Re: [RE-wrenches] Radian Question

inverters can go to 264 V. I wondered if the Radian might be limiting voltage to protect loads. Just a theory based on the reading of 251 and higher when the inverter would not connect. Thanks, Drake _Drake Chamberlin_ _Athens Electric LLC_ _Ohio Electrical Contractor's License 44810_

Re: [RE-wrenches] Radian Question

Hi Jay, The inverter won't even connect to the grid. It stays in the state where it is sampling the grid, AC in light blinking. Is the default high voltage for the nominal 240 V 280? (IE 140 V X 2). Thanks for your help. Drake _Drake Chamberlin_ _Athens Electric LLC_ _Ohio

[RE-wrenches] Radian Question

acceptance limit of 250 V. Is that true? Is it possible to open up the window? If that isn't it, what could be the problem? Thank you, Drake _Drake Chamberlin_ _Athens Electric LLC_ _Ohio Electrical Contractor's License 44810_ _NABCEP Certified PV Installation Professional_

[RE-wrenches] Line Side Tap

also be 400 A, even though the output of the PV does not feed through that box. Is there a rule that says this? What would be the logic? Thank you, Drake _Drake Chamberlin_ _Athens Electric LLC_ _Ohio Electrical Contractor's License 44810_ _NABCEP Certified PV Installation

Re: [RE-wrenches] Fronius USA available 2023 & 2024 ?

My suppliers don't have any Fronius now. I try to buy entire systems, if possible. What is now available for a string inverter is the Grow Watt. Can anyone either recommend them, or warn us not to use them. Thanks, Drake _Drake Chamberlin_ _Athens Electric LLC_ _Ohio Electrical

[RE-wrenches] Record Low

, Drake _Drake Chamberlin_ _Athens Electric LLC_ _Ohio Electrical Contractor's License 44810_ _CO Master Electrician's License 4526_ _NABCEP Certified PV Installation Professional_ --___ List sponsored by Redwood Alliance Pay optional member dues

Re: [RE-wrenches] Inverter On/Off Switch use Outback FX

Do you have a source for voltage sensing coils? I only know about using the Morningstar relay driver. Thank you, Drake _Drake Chamberlin_ _Athens Electric LLC_ _Ohio Electrical Contractor's License 44810_ _CO Master Electrician's License 4526_ _NABCEP Certified PV Installation

[RE-wrenches] Snapnrack end caps

Hello All, We have had a lot of end caps fall off Snapnrack Ultra Rail. Kevin at S was wondering if this is a common occurrence. Is it something we are doing, is it freezing and thawing or is it the design of the caps. Thank you, Drake _Drake Chamberlin_ _Athens Electric LLC_ _Ohio

Re: [RE-wrenches] Open Delta to 208Y/120 Volt

William, Sol-Ark says they can only connect to a Wye, and that they need a neutral. Thanks, Drake --- On 2023-06-06 11:34, William Miller via RE-wrenches wrote: Drake: You should be able to connect to a 120/240 split phase feeder. Avoid the stinger. I have done it with FXRs , works

[RE-wrenches] Open Delta to 208Y/120 Volt

of a source for economically priced transformers. Thank you, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master Electrician’s License 4526 NABCEP Certified PV Installation Professional -- ___ List

Re: [RE-wrenches] Web based system monitoring via 4GLTE uplink?

We use a Verizon Jet Pack for our internet. It wants to have its battery charged and then be unplugged, like any cell phone. Is there a variety that can be left plugged in? Charging could be set up to be intermittent with a timer switch. Drake _Drake Chamberlin_ _Athens Electric LLC_

Re: [RE-wrenches] Tech Support Issues with Sensata

, but the inverters keep coming back off the wall. Drake Athens Electric --- On 2023-05-31 13:50, Ray Walters via RE-wrenches wrote: What were the issues? I've not seen a Magnum have power quality troubles, but they are not the "grid" either. My experience is that they are simila

Re: [RE-wrenches] IQ Gateway outside straw bale house

Electrician's License 4526_ _NABCEP Certified PV Installation Professional_ --- On 2023-04-26 11:56, Dan Fink via RE-wrenches wrote: Drake; How much chicken wire or other metal mesh is in the strawbale walls and stucco? Can you measure wifi signal strength ahead of time with a smartphone

[RE-wrenches] IQ Gateway outside straw bale house

We are planning to combine Enphase circuits in an IQ combiner box, with enclosed Gateway, on the outside of a straw bale house. Will the WiFi signal penetrate a straw bale and the two layers of stucco the wall is made of? Thank you, Drake Drake Chamberlin Athens Electric LLC Ohio

Re: [RE-wrenches] Underground fault finder

sensor. Thanks, Drake _Drake Chamberlin_ _Athens Electric LLC_ _Ohio Electrical Contractor's License 44810_ _CO Master Electrician's License 4526_ _NABCEP Certified PV Installation Professional_ --- On 2023-04-18 12:04, Brian Mehalic via RE-wrenches wrote: Not sure about rental

[RE-wrenches] Underground fault finder

kit came to $5 or $6K. Does anyone know where one can be rented. Thank you, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master Electrician’s License 4526 NABCEP Certified PV Installation Professional

Re: [RE-wrenches] PV and EMP

Backwoods Solar sells kits to harden against EMP. I am wondering how effective they would be. Drake _Drake Chamberlin_ _Athens Electric LLC_ _Ohio Electrical Contractor's License 44810_ _CO Master Electrician's License 4526_ _NABCEP Certified PV Installation Professional_

[RE-wrenches] Trimetric on LiFe Blue

Hello Lithium Battery Wrenches, A 48 V bank of 8, 12 V LiFe Blue batteries, 2 series sets of four in parallel, for a 400 AH bank, is being monitored by a Trimetric 2020. What should the "charged setpoint amps" be set to? Thank you, Drake Drake Chamberlin Athens Electric LLC Ohio

[RE-wrenches] Magnum 4024PAE Won't Charge

it? Isn't the Magnum charger pretty forgiving about voltage input? I've heard they can have issues with inverter-generators, but this is 60 Hz grid power. Thank you, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master Electrician’s License 4526 NABCEP

Re: [RE-wrenches] 3524 VFX delay

Would that mean that the control board needs to be replaced in the master? --- On 2023-01-12 10:33, toddc...@finestplanet.com wrote: stuck relay? On Thursday, January 12, 2023 6:39am, "Drake Chamberlin via RE-wrenches" said: Hello Wrenches, A pair of off grid Outbac

[RE-wrenches] 3524 VFX delay

could have caused the delay? Thank you, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master Electrician’s License 4526 NABCEP Certified PV Installation Professional -- ___ List sponsored by Redwood Alliance

Re: [RE-wrenches] Utility transformer limitations

a good case to escalate to the next level. Good Luck, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor's License 44810 CO Master Electrician's License 4526 NABCEP Certified PV Installation Professional

Re: [RE-wrenches] Magnum MS4024 grief

If all else fails, cut the equipment ground prong from the attachment plug to the generator. The generator is internally grounded. You appear to have an internal ground in your system somewhere. --- On 2022-12-16 13:35, Kirk Herander via RE-wrenches wrote: You may have neutral and ground

Re: [RE-wrenches] Xantrex AC Fault 186.6v

What modules does it have? If they are susceptible to PID (Potential Induced Degradation), you may need to find an inverter with a solid negative ground. I avoided the Xantrex grid tie inverters, but am assuming the are grounded. Drake Drake Chamberlin Athens Electric LLC Ohio Electrical

Re: [RE-wrenches] Radian / Flexmax issue

Suzanne finally did get the system working. The problem was in the programming of the Mate. This was discovered by Outback Tech support with Optics. So far, no word on the exact settings involved. The batteries were not damaged. Thank you for your help. Drake Chamberlin Athens Electric LLC

[RE-wrenches] Radian / Flexmax issue

that the age of the AGM batteries may have been a factor, 8 years. That sometimes dying batteries cause odd behavior? Thanks in advance. Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master

Re: [RE-wrenches] Looking for remote controlled contactors

and the coil is generally not activated for extended periods (days or weeks or even years at a time). Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor's License 44810 CO Master Electrician's License 4526 NABCEP Certified PV Installation Professional --- On 2022-10

Re: [RE-wrenches] AC coupled grid tie only inverter

The grid tie inverter can sell through the Magnum relay. When the grid goes down, it will feed the batteries. Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor's License 44810 CO Master Electrician's License 4526 NABCEP Certified PV Installation Professional --- On 2022

[RE-wrenches] Butt End Connector Warning

how much of a problem this will be. Drake -- ___ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://list

[RE-wrenches] Enphase

? Will the IQ8 micro inverters taper charge with phase shift? I am considering the possibility of AC coupling some to a pair of Radians. What is the most reliable and economically feasible way to provide backup power today? Thank you, Drake Drake Chamberlin Media & Communication Ac

[RE-wrenches] White Roof Temperature

data on this issue? Thank you, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master Electrician’s License 4526 NABCEP Certified PV Installation Professional -- ___ List sponsored by Redwood Alliance Pay

[RE-wrenches] Bifacial Modules

Are bifacial modules good products? Do they really perform as advertised? We have a potential project where they would be used on a white roof. Would that be an ideal situation? Thanks, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master

Re: [RE-wrenches] off-grid AC coupling feasibility

after the micro-inverters shut down. The micros are phased, based on battery voltage, so they don't all shut down at once. Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor's License 44810 CO Master Electrician's License 4526 NABCEP Certified PV Installation Professional

[RE-wrenches] Growatt systems

Does anyone have experience with Growatt systems? What do you think of them? Thanks, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master Electrician’s License 4526 NABCEP Certified PV Installation Professional

Re: [RE-wrenches] Enphase IQ7 versus IQ8

Are the IQ-7 inverters going to remain available? The additional cost of the IQ-8 micros killed one project where I couldn't find a good source for IQ-7s. Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master Electrician’s License 4526 NABCEP Certified PV

Re: [RE-wrenches] WATER COOLED - 1800 RPM - 13KW GENERATORS INQUIRY

There is no regular pattern to our need for generators, but we could likely sell some. --- On 2022-07-10 16:02, Chris Daum via RE-wrenches wrote: I think we could sell a couple a year. --Chris @ the Oasis Montana From: RE-wrenches On Behalf Of Tump via RE-wrenches Sent: Sunday, July

[RE-wrenches] Schneider Inverter Unbalance

started drifting. At present, one will take all the load until it reaches a point around its maximum production limit. Then that inverter will stop production and the other will take over. Is there a defective inverter? Any ideas at all about what might be going on? Thank you, Drake Drake

[RE-wrenches] Module - microinverter compatibility question

of the inverter is 33 V • Vmmp of the module is 33.96 V • Voc of the module is 40.7 V Is the 33 V starting voltage going to be a problem with a module STC Max power voltage of 33.96 V? Is it the Voc that determines the starting of the inverter or the Vmmp? Thanks, Drake Drake

[RE-wrenches] Fwd: Re: Schneider Bootloader mode

with tech support, and all agreed that it didn't work. It is good to hear that the config tool should fix it. Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master Electrician’s License 4526 NABCEP Certified PV Installation Professional --- On 2022-02-17 1

Re: [RE-wrenches] Flickering lights on off grid AC coupled radian system

Some LEDs will flicker at times with off grid AC coupled systems. I've seen this with Outback and Magnum. Some brands of LED seem stable. Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master Electrician’s License 4526 NABCEP Certified PV Installation

[RE-wrenches] X-240 Buzz

An Outback X-240 auto transformer on a VFX3648 buzzes loudly with a load of 400 W. The sound diminishes and finally stops with higher loads. The load was an electric, oil filled space heater. Has anyone seen this before? Thank you, Drake Drake Chamberlin Athens Electric LLC Ohio

Re: [RE-wrenches] neutral sizing for sense

"the maximum load connected between the neutral and any one ungrounded [10] conductor plus the inverter [9] output rating shall not exceed the ampacity [5] of the neutral conductor [6]." So the neutral conductor is supposed to be sized for the connected load plus the entire maximum output of

Re: [RE-wrenches] Lithium Ion tool batteries

? Thanks, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master Electrician’s License 4526 NABCEP Certified PV Installation Professional --- On 2022-01-19 11:58, Alex MeVay wrote: Generally, storage or use at cold temperatures shouldn't be an issue

Re: [RE-wrenches] Smell from Radian

the interior with compressed air seems like a good suggestion. Thanks, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor's License 44810 CO Master Electrician's License 4526 NABCEP Certified PV Installation Professional --- On 2021-12-29 11:08, Dana Orzel wrote

[RE-wrenches] Smell from Radian

A 8048 Radian emitted a smell while charging batteries. It smelled like Fritos corn chips. The smell seemed to come out of the exhaust vent on top of the box. Has anyone experienced this? Would you suspect electronic components frying or just some dust? Thanks, Drake Drake Chamberlin

Re: [RE-wrenches] Fair price for an obsolete component

components, but have little idea what this old Outback is worth. Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor's License 44810 CO Master Electrician's License 4526 NABCEP Certified PV Installation Professional --- On 2021-12-10 20:55, Ray Walters wrote: All else

[RE-wrenches] Max charge for lithium batteries

I have a client that insists it is better not to charge lithium batteries to 100%. Is there any truth to this? Thanks, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master Electrician’s License 4526 NABCEP Certified PV Installation Professional

Re: [RE-wrenches] "Re-powering" Aging Utilty Scale PV systems

relays or some boards fail? How much of the inverter is compromised? Is there any hope that at least some of these could be put back into service by experienced electronic technicians? Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor's License 44810 CO Master

Re: [RE-wrenches] Exploding RSD Unit

That is a great offer. For the sake of our industry I hope it succeeds. What is the next step? Please keep us in the loop. Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor's License 44810 CO Master Electrician's License 4526 NABCEP Certified PV Installation Professional

Re: [RE-wrenches] Exploding RSD Unit

throughout the process. Maybe Fronius or other large inverter manufacturers could afford to do this. -Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor's License 44810 CO Master Electrician's License 4526 NABCEP Certified PV Installation Professional --- On 2021-08-28

Re: [RE-wrenches] Exploding RSD Unit

the many problems with MLSD devices, it seems likely that this is true. Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor's License 44810 CO Master Electrician's License 4526 NABCEP Certified PV Installation Professional --- On 2021-08-27 09:02, Tump wrote: I

Re: [RE-wrenches] Original Envoy

Florida Solar Design Group On Thu, Aug 5, 2021, 11:13 AM wrote: Hello Wrenches, I'm looking for an original Envoy. I've looked on E Bay and searched the web, but so far no luck. Does anyone have one or know where one might be available? Thanks, Drake Drake Chamberlin Athens Electric LLC

[RE-wrenches] Original Envoy

Hello Wrenches, I'm looking for an original Envoy. I've looked on E Bay and searched the web, but so far no luck. Does anyone have one or know where one might be available? Thanks, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master Electrician’s

Re: [RE-wrenches] Autoformer and long AC run

paralleling wires of different sizes; it is not recommended practice of course. If you find a source for those old auto transformers, I'd sure like to know. Best, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor's License 44810 CO Master Electrician's License 4526 NABCEP

Re: [RE-wrenches] Autoformer and long AC run

for those old auto transformers, I'd sure like to know. Best, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor's License 44810 CO Master Electrician's License 4526 NABCEP Certified PV Installation Professional --- On 2021-08-02 15:16, Bradley Bassett wrote: The system

Re: [RE-wrenches] Sol-Ark 12k w/ Generac Transfer Switch

is supposed to come our around the end of the year that can be controlled by an inverter. Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor's License 44810 CO Master Electrician's License 4526 NABCEP Certified PV Installation Professional athens-electric.com [2

Re: [RE-wrenches] Magnum MM1524AE rebuild?

Hello Jeff, That sounds really useful. How do you wire this? Where do you get the momentary switch? Thanks, Drake --- On 2021-06-09 12:13, Jeff Clearwater wrote: Hey Dave and Wrenches, This is why now I always install a pre-charge circuit for Magnum's and other inverters - especially

[RE-wrenches] VFX3648

Hello Wrenches, Does anyone know where an Outback VFX 3648 inverter might be purchased? Thanks, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master Electrician’s License 4526 NABCEP Certified PV Installation Professional

Re: [RE-wrenches] SMA SB 2500U

Make sure the old modules are resistant to Potential Induced Degradation (PID). The new transformerless inverters can induce PID on non PID resistant modules. This issue surfaced with the installation of inverters that did not solidly ground either conductor. Drake Chamberlin Athens Electric

Re: [RE-wrenches] Generator Distributor

for a photovoltaic system? Thank you, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master Electrician’s License 4526 NABCEP Certified PV Installation Professional --- On 2021-05-12 10:17, drake.chamber...@redwoodalliance.org wrote: Hello Wrench Colleagues, Can

[RE-wrenches] Generator Distributor

Hello Wrench Colleagues, Can anyone recommend a distributor for Onan or Kohler generator that accepts new dealer applications? These seem to be the top two units for backup systems, but I'm open to other suggestions. Thank you, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical

Re: [RE-wrenches] Breakers weakening?

I've replaced breakers with those symptoms and solved the problem. --- On 2021-05-09 08:52, Kirk Herander, VSE wrote: That's what I expected to find, i.e. evidence of a heat event / loose connection at the breaker terminals (discolored and / or melted wire insulation, etc.), no visual

[RE-wrenches] Wrench Membership Dues

. • The list can get the attention of knowledgeable technical support people from manufacturers when the agents who answer the phone can't help. Let’s keep this valuable resource going. Thank you, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master

Re: [RE-wrenches] Generator and AC coupling on a Sol-Ark

to open on 240Vac coil voltage from the generator. It's not a failsafe solution. Jason On Tue, May 4, 2021, 3:15 PM Drake wrote: P.S. The contactor method is even mentioned somewhere in the Outback literature. I've been using it for years. It is very simple and requires no complex equipment

Re: [RE-wrenches] Generator and AC coupling on a Sol-Ark

P.S. The contactor method is even mentioned somewhere in the Outback literature. I've been using it for years. It is very simple and requires no complex equipment. It will not interfere with rapid shutdown. 40 A, 240 V contactors with 240 V coils are readily available and not terribly

Re: [RE-wrenches] Generator and AC coupling on a Sol-Ark

Get a contactor with a 240 VAC coil. Connect the coil wire wires to the 240 V output circuit of the generator, so when the generator comes on, the contactor opens. Run the current from the AC coupled Enphase inverters through the contacts from common to N/C. --- On 2021-05-03 10:26, Dave

Re: [RE-wrenches] MC4s are listed for THWN, right?

On a practical note, MC-4 functions fine with THHN inside a weather proof enclosure. It will not seal, due to the smaller overall diameter of the cable. THHN is rated for 90C. It is not sunlight resistant, and should never be used exposed. --- On 2021-04-26 23:16, frenergy wrote: Blake,

Re: [RE-wrenches] Outback_Inverter firmware mismatch

be stacked. We need a manufacturer to produce something equivalent to the FX series inverters, or the earlier Radians. What is the best choice for a grid interactive, battery based inverter? I tend to lean toward Schneider. Drake Drake Chamberlin Athens Electric LLC Ohio Electrical

Re: [RE-wrenches] Concorde Lifeline Batteries

They are the same price. --- On 2021-03-18 09:35, Jay wrote: The technical manuals are identical as well as the specs I looked at. Drake is there a cost difference between them? Jay On Mar 17, 2021, at 9:02 PM, Maverick Brown wrote: It’s my understanding that they are exactly the same

Re: [RE-wrenches] Concorde Lifeline Batteries

Hi Jay, We are looking at the GPL-4CT 6V to replace an existing bank of Sun Xtender 224 batteries. --- On 2021-03-17 19:16, Jay wrote: Hi Drake Which models are you interested in? Jay On Mar 17, 2021, at 5:10 PM, drake.chamber...@redwoodalliance.org wrote: Hello Wrenches

[RE-wrenches] Concorde Lifeline Batteries

Hello Wrenches, Is there any reason to use Concorde Sun Xtender batteries instead of Concorde Lifeline batteries with PV systems? The Lifeline is what is available from my supplier at this time? Thanks, Drake -- ___ List sponsored by Redwood

[RE-wrenches] Residential tax credit

out of state. Is there a good way to accomplish this? Should they set up a PPA? Thanks, Drake Drake Chamberlin Athens Electric LLC Ohio Electrical Contractor’s License 44810 CO Master Electrician’s License 4526 NABCEP Certified PV Installation Professional athens-electric.com

[RE-wrenches] Code Question

Hello Wrenches, I believe it is a code requirement to install conduits in their entirety before pulling wire through, and that this applies to all types of rigid conduit. Is this correct? Does anyone know where in the NEC this is stated? Thank you, Drake Drake Chamberlin Athens Electric

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

One time we built the wall out to bring the equipment in to compliance with the front of the battery enclosure. Drake --- On 2021-02-01 01:27, Ray wrote: This isn't just a Li+ issue, this has been a problem going all the way back to the 90s. Basically many AHJs don't catch it, but its

Re: [RE-wrenches] MLSD module level shutdown

Is MLSD required in Europe or other parts of the world? What is their track record for safety? --- On 2021-01-29 14:09, s...@ecologicalsystems.biz wrote: So far the module level shutdown requirements have been a real blow to our industry. The reliability and cost from a maintenance and

Re: [RE-wrenches] SMA Load Shedding Contactor 100A, 2P

Use series resistors around the coil. --- On 2021-01-21 13:59, Jason Szumlanski wrote: I just learned from the manufacturer that the mercury displacement relay's coil is rated for 43.2 to 52.80V. Obviously, the battery voltage can exceed 52.8 pretty significantly. Does the Sunny Island

Re: [RE-wrenches] SMA Load Shedding Contactor 100A, 2P

The mercury displacement relays are very robust. They do have a lead warning. --- On 2021-01-19 20:48, Mac Lewis wrote: Hi Jason, I have done this with mercury displacement relays: https://www.mdius.com/mercury-relays/two-pole-relays-contactors/two-pole-100-amp They do have a 100A 2P

Re: [RE-wrenches] Radian Charges 1 hour per calendar day

Jay, The generator is manual start. Drake --- On 2021-01-08 15:39, Jay wrote: Is it ags start and is it starting on volts or %, or load? On Jan 8, 2021, at 1:10 PM, Dave Angelini Offgrid Solar wrote: You said both, it will go into absorb for an hour only and it will net go

Re: [RE-wrenches] Radian Charges 1 hour per calendar day

e he needs to leave the site for a week or so. I finally go through to Outback, and they think it is a Firmware problem. As it is a long drive out, it seems worth while to run it by the list. Does FW this seem like the issue? Thank you, Drake ___ List

[RE-wrenches] Radian Charges 1 hour per calendar day

. As it is a long drive out, it seems worth while to run it by the list. Does FW this seem like the issue? Thank you, Drake -- ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address

[RE-wrenches] THD

? Does less than 6% seem like a good THD number? Thank you, Drake Drake Chamberlin Athens Electric LLC athens-electric.com -- ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address

Re: [RE-wrenches] NEC 2020 - 705.12(B)(6)

It depends on how many loads there are on the meter main besides the feed-through. If the PV feed is coming from a point between the distribution panel and the meter main, current will cancel out utility power from the service drop. If you had over 200 amps of branch circuit loads on the meter

Re: [RE-wrenches] Supply side denial

AEP Won't let us do a line side tap. We can tap into the line side and install another service as permitted by the Rule of Six. I have used the Eaton, 4 space breaker box with 2 spaces for the service disconnect and 2 for the PV connection. Supposedly you can use a main breaker retainer,

Re: [RE-wrenches] Enphase Raw Q Cable

Is there any reason we can't use sunlight resistant UF cable? Drake Chamberlin Athens Electric LLC OH License 44810 NABCEP Certified Solar PV 740-448-7328 <http://athens-electric.com/>http://athens-electric.com/ At 12:08 PM 10/6/2020, Jason Szumlanski wrote: Has anybody come up with

[RE-wrenches] Utility Transformer Sizing

. Is there really a good reason for these specifications? Thanks, Drake Drake Chamberlin Athens Electric LLC OH License 44810 NABCEP Certified Solar PV 740-448-7328 <http://athens-electric.com/>http://athens-electric.com/ ___ List spo

Re: [RE-wrenches] Winco

I don't know about COSTCO. A client has one, and it worked well for years. This model is nearly 12 kW and costs $3,751.30. The client wants his unit moved to another system, and wants the autostart feature to work again. --- On 2020-09-28 11:23, Dave Angelini Offgrid Solar wrote: Hi Drake

[RE-wrenches] Winco

=CjwKCAiAiarfBRASEiwAw1tYvx0vCjfjJJMJ2ldu_rKvL19aw2TtJ3WRnvs8LEJAVm3XZTE6Xo06DBoCxrMQAvD_BwE Is it a reliable unit? Can it be auto started without voiding the warranty. Thank you, Drake -- ___ List sponsored by Redwood Alliance List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings:

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