9.
Original message From: Jason Szumlanski
Date: 3/27/21 8:12 AM (GMT-08:00) To:
RE-wrenches Subject: Re: [RE-wrenches]
Batteries and Working Spaces Not an option. Limited garage space. On Sat, Mar
27, 2021, 3:01 AM Chris Worcester wrote:Can you add
a catwalk with hand
Can you lay them on their sides?-GlennSent from my 'smart'phone, so please
excuse typos and spelling errors.-- Original message--From: Jason
SzumlanskiDate: Sat, Mar 27, 2021 11:12 AMTo: RE-wrenches;Cc: Subject:Re:
[RE-wrenches] Batteries and Working SpacesThat's problem
I would ask Fortress about the heights!
If this was offgrid and not
inspected, I would have signage indicating there is a battery breaker/disco
above this sign. If that breaker is tripped, I would think other things may
be wrong and only qualified people should re-energize the breaker. That ma
;> Original message
>> From: Jason Szumlanski
>> Date: 3/26/21 12:41 PM (GMT-08:00)
>> To: RE-wrenches
>> Subject: [RE-wrenches] Batteries and Working Spaces
>>
>> I am planning a battery backup system using Fortress 18.5kWh eVaults. Due
&g
>
> Original message
> From: Jason Szumlanski
> Date: 3/26/21 12:41 PM (GMT-08:00)
> To: RE-wrenches
> Subject: [RE-wrenches] Batteries and Working Spaces
>
> I am planning a battery backup system using Fortress 18.5kWh eVaults. Due
> to flood level
That's problematic I think. I guess the next question would be, if I need
to keep this breaker at 6'7", I don't see that being accessible be someone
standing in front of it anyway without a portable ladder, so what height IS
acceptable?
Also, maybe I don't need to mount the whole battery above the
Can you add a catwalk with handrails in front of it for maintenance?Chris
Worcester chris@solarwindworks.com530-448-9692Sent from my Samsung Galaxy s9.
Original message From: Jason Szumlanski
Date: 3/26/21 12:41 PM (GMT-08:00) To:
RE-wrenches Subject: [RE-wrenches
Earthquake safety requirements in CA. Probably not an issue in Florida.
Ask your building department!
Dave Angelini Offgrid Solar
"we go where
powerlines don't"
http://members.sti.net/offgridsolar/ [1]
e-mail
offgridso...@sti.net [2]
text 209 813 0060
On Fri, 26 Mar 2021 19:08:18
-0400, Chris
Hi Jason,
There is a 250A breaker located inside a compartment on the top of the
unit. Keeping that reasonably accessible would be important.
Also, just out of curiosity, how are you planning of getting these battery
cabinets onto their 4’ platform? Forklift? Ramp?
On Fri, Mar 26, 2021 at 3:40 P
I am planning a battery backup system using Fortress 18.5kWh eVaults. Due
to flood level requirements, these are going to need to be mounted about 48
inches above the garage floor on a shelf/platform. That puts the tops of
the battery cabinets well above 6'7". But I believe that these do not fall
u
nting this email.
From: RE-wrenches On Behalf Of Ray
Sent: Wednesday, August 01, 2018 10:23 PM
To: re-wrenches@lists.re-wrenches.org
Subject: Re: [RE-wrenches] Batteries in 4' tall crawl space
Never laid on my stomach, I just have kneel pad I use for lots of stuff but it
works good here
018 3:32 PM
TO: re-wrenches@lists.re-wrenches.org [4]
SUBJECT:
Re: [RE-wrenches] Batteries in 4' tall crawl space
Article 110.26
covering clearances in front of electrical equipment applies. I worked on a
couple like that, and I didn't like it. Very hard to move the batteries,
and C
From: RE-wrenches On Behalf Of Ray
Sent: Monday, July 30, 2018 3:32 PM
To: re-wrenches@lists.re-wrenches.org
Subject: Re: [RE-wrenches] Batteries in 4' tall crawl space
Article 110.26 covering clearances in front of electrical equipment applies. I
worked on a couple like that,
like to service them you would have to
lay on your stomach and get your face right in there? Not my idea of a
good time!
-Glenn
*From:*RE-wrenches *On
Behalf Of *Ray
*Sent:* Monday, July 30, 2018 3:32 PM
*To:* re-wrenches@lists.re-wrenches.org
*Subject:* Re: [RE-wrenches] Batteries in 4'
g this email.
From: RE-wrenches <mailto:re-wrenches-boun...@lists.re-wrenches.org>
On Behalf Of Jerry Caldwell
Sent: Saturday, July 28, 2018 6:10 PM
To: re-wrenches@lists.re-wrenches.org
<mailto:re-wrenches@lists.re-wrenches.org>
Subject: [RE-wrenches] Batteries in 4' tal
I've seen several instances with AGMs, where a dead cell overheated and
blew the top of the case off the battery. Looked pretty bad, but I
wasn't there when they blew. I think the prevention is to regularly
check separate battery voltages to identify weak or dying cells before
they blow. 8
And thank you Steve for reminding folks of all those nasty effects of
outgassing hydrogen..I figured someone would, necessarily.
These are sealed AGM, which I realize is not a guarantee of no hydrogen ,
but certainly not a constant hazzard. ALSO..
.these are large spaces...full length of house craw
Hello Wrenches...
Since Ken brought it up
Inverters are the most common of the ignition sources, with loose
connections being a close second... Inside each inverter/charger is a
transfer relay, this relay when it transfers to or from grid will spark.
This sparking action can cause Hydrogen g
I have a set of AGM's installed near the inverter, on a roll out dolly,
under the landing, up 5 steps from the garage to the 1st fl..
Another set of AGM's in a 4-5' crawl space. Was a bit of a tussle last
year to replace those four, but then I was 72 with achy knees. 8 ' from
access door to batte
*To:* re-wrenches@lists.re-wrenches.org
*Subject:* [RE-wrenches] Batteries in 4' tall crawl space
Wrenches,
I have a customer who wants to have batteries installed in a 4' tall
crawl space / short basement. Are there any accessibility code issues
with installing batteries in a crawl
r the environment before printing this email.
From: RE-wrenches On Behalf Of
Jerry Caldwell
Sent: Saturday, July 28, 2018 6:10 PM
To: re-wrenches@lists.re-wrenches.org
Subject: [RE-wrenches] Batteries in 4' tall crawl space
Wrenches,
I have a customer who wants to have batteries
Jerry,
I serviced a system that (who became my) customer installed
just like that. To me, it doesn't really matter what the NEC thinks
about it. It was great because it showed me what I would *never*
duplicate in my repertoire of installs.
Bill
On 7/28/2018 5:10 PM, Jerry Caldw
Wrenches,
I have a customer who wants to have batteries installed in a 4' tall crawl
space / short basement. Are there any accessibility code issues with installing
batteries in a crawl space? Does the NEC address this?
Thanks,
Jerry Caldwell
___
List
I would think the 1 gal sprayer would be perfect for customers with smaller
banks. When you start going through two, three or four gallons of distilled
water at a time, i could see it getting tedious. Ive used an elevated 5Gal
polyethylene tank with a 1/4" food grade hose connected to a small
polye
Dan,
We've been using the garden sprayer method for the last 14 years and
it works great!
Be sure to buy a sprayer with a plastic wand..the brass wands
can create a bit too much excitement.
Roy Butler
NABCEP Certified Solar PV Installer®
NYSERDA eligible
Hi Jerry; That's a great idea, I'm going to get one and try it next time I
hit Home Depot. I also do not use automatic or central battery watering
systems, as I feel they give a false sense of security. Nobody is in there
regularly checking for loose connections and corrosion. My most important
bat
Wrenches,
There has been allot of talk about batteries, i use allot of FLA and Edison
type batteries. When we do an install i aways include a one gallon pump
weed sprayer with distilled water, we cut the sprayer tip off and it is an
easy and fast way to fill batteries, this is a cheap way too. Batt
other non sparking conductive metals are
great!
-Original Message-
From: re-wrenches-boun...@lists.re-wrenches.org
<mailto:re-wrenches-boun...@lists.re-wrenches.org>
[mailto:re-wrenches-boun...@lists.re-wrenches.org
<mailto:re-wrenches-boun...@lists.re-wrenches.org>
.@lists.re-wrenches.org] On
Behalf Of Drake
Sent: Tuesday, July 29, 2014 12:01 PM
To: RE-wrenches
Subject: Re: [RE-wrenches] Batteries in a dwelling - Venting Concorde AGMs
This is a reply to a post by Alan from June 21st. I'm replying because I've
had to deal with this issue also. It seems
29, 2014 9:01 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] Batteries in a dwelling - Venting Concorde AGMs
This is a reply to a post by Alan from June 21st. I'm replying because I've had
to deal with this issue also. It seems to me that the 2014 NEC Handbook is
fairly clear that we ar
opper, aluminum, and other non sparking conductive
metals are great!
-Original Message-
From:
<mailto:re-wrenches-boun...@lists.re-wrenches.org>re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org]On Behalf Of
<mailto:will...@millersolar.
---Original Message-
> *From:* re-wrenches-boun...@lists.re-wrenches.org [
> mailto:re-wrenches-boun...@lists.re-wrenches.org
> ]*On Behalf Of *
> will...@millersolar.com
> *Sent:* April 4, 2014 9:29 AM
> *To:* RE-wrenches
> *Subject:* [RE-wrenches] Batteries in a dwelling
>
>
uctive metals are great!
>
>
>
> -Original Message-
> From: re-wrenches-boun...@lists.re-wrenches.org
> [mailto:re-wrenches-boun...@lists.re-wrenches.org]On Behalf Of
> will...@millersolar.com
> Sent: April 4, 2014 9:29 AM
> To: RE-wrenches
> Subject: [R
Friends:
I am proposing installation of vented batteries in a first floor garage of a
dwelling. The dwelling areas are on the second floor. I am nervous about
the cohabitation of batteries and humans.
I reviewed the NEC and could not find any prohibition. Do any of you have
any advice on
Wrenches,
Thanks for all insight.
Cheers,
Lou
On Fri, Mar 15, 2013 at 1:49 PM, Larry Crutcher, Starlight Solar Power
Systems wrote:
> Lou,
>
> In addition to what Allan said, if you perform the discharge test, measure
> the terminal voltage across each battery. If you find one battery that
Lou,
In addition to what Allan said, if you perform the discharge test, measure the
terminal voltage across each battery. If you find one battery that drops in
voltage more than the others, continue to check/record that voltage over time.
This method will expose a weak or bad cell in a series s
Lou:
Allan presents the better advice below. Ignore my previous post until you
are sure the battery is bad.
William Miller
At 02:57 PM 3/15/2013, you wrote:
Lou,
There is nothing in your message that definitively tells me that you have
either a bad cell or a bad battery. "Minor corrosion
Lou:
At 1 year you are just within the allowable window. I would monitor the
bank over the next two months after replacement to see if the SG remains
consistent from cell to cell.
William Miller
At 01:38 PM 3/15/2013, you wrote:
Hello Wrenches,
Assuming the one battery is bad, is it wo
Lou,
There is nothing in your message that definitively tells me that
you have either a bad cell or a bad battery. "Minor corrosion on
one terminal" is normal behavior, especially if the installer
didn't coat the terminals at installation. "One cell was not using
Hello Wrenches,
This is my first go around here in the mailing list. I ve been a "lurker"
for years, I much appreciate all the insight you all have provided.
Here is the situation:
I have a client with 12 Interstate UL16HCs (24v system, 3 x 4 battery bank)
purchased and installed exactly 12 mont
Friends:
I went to a customer's home last week that was reporting batteries boiling
dry. I found that he had removed one battery and not replaced it. There
was one string of 8 L-16s paralleled with one string of 7 L-16s. Needless
to say, the seven batteries were toast.
I thought I had see
From: re-wrenches-boun...@lists.re-wrenches.org
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Brian
Teitelbaum
Sent: Wednesday, April 20, 2011 2:50 PM
To: RE-wrenches
Subject: Re: [RE-wrenches] Batteries in parrallel Failure
Does anyone know of a manufacturer or
rather than multiple strings. My design rule:
> no more than two strings in parallel.
>
> Larry Crutcher
> Starlight Solar Power Systems
> www.starlightsolar.com
> 928-342-9103
>
> ----- Original Message -----
> From: Darryl Thayer
> To: RE-wrenches
> Sent: Tuesday,
: Tuesday, April 19, 2011 7:29 PM
Subject: [RE-wrenches] Batteries in parrallel Failure
Batteries in parallel, How to protect from catastrophic failure.
I just got contacted to commission a solar system off grid not of my design.
Eight battery strings in parallel, AGM batteries, 24 volts @ 12
At 21:18 -0600 19/4/11, Dan Fink wrote:
He instinctively hit the main DC buss bar breakers, which
was logical but didn't of course help the fire situation.and the
result was that all Outback electronics from charge controllers to
the 2 inverter set being fried from too high DC volt
-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Tom Elliot
Sent: Wednesday, April 20, 2011 11:36 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] Batteries in parrallel Failure
What? No royalties? Damn...(but thanks for the props) Sorry I misunderstood
what you meant.
My installs of buss bars
failure, though I guess that’s how we learn.
Tom
From: R Ray Walters
Sent: Wednesday, April 20, 2011 8:16 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] Batteries in parrallel Failure
Tom;
That's exactly what Daryl and I were suggesting: all strings paralleled to a
central combiner box
nsiderations are
> pretty minor and cheap insurance against disaster.
>
> Tom
>
>
>
> From: R Ray Walters
> Sent: Tuesday, April 19, 2011 6:01 PM
> To: RE-wrenches
> Subject: Re: [RE-wrenches] Batteries in parrallel Failure
>
> I like the fused paralle
>
>
> From: R Ray Walters
> Sent: Tuesday, April 19, 2011 6:01 PM
> To: RE-wrenches
> Subject: Re: [RE-wrenches] Batteries in parrallel Failure
>
> I like the fused parallel idea; could save the system, and would make battery
> troubleshooting nice.
> I would su
HI Dan,
I"m really curious about what the CC saw.
Can you tell us, was it hydro, pv or wind
and
what was the voc?
jay
peltz power
On Apr 19, 2011, at 8:18 PM, Dan Fink wrote:
> We almost had a house fire in the neighborhood a couple months ago from a
> parallel battery bank failurean agi
Friends:
I have seen 200 A T series fuses bolted directly to the battery terminals
(I've even bolted a 175A breaker to a flag terminal!). Might this be a
crude but effective method to obtain inter-array OC protection?
Wm
At 08:41 PM 4/19/2011, you wrote:
I have now been close to three batt
safety standpoint those considerations are
pretty minor and cheap insurance against disaster.
Tom
From: R Ray Walters
Sent: Tuesday, April 19, 2011 6:01 PM
To: RE-wrenches
Subject: Re: [RE-wrenches] Batteries in parrallel Failure
I like the fused parallel idea; could save the system, and would
I like the fused parallel idea; could save the system, and would make battery
troubleshooting nice.
I would suggest #6 jumpers with 50 to 60 amp breakers, so the system could be
operated on just a few strings if needed.
R. Walters
r...@solarray.com
Solar Engineer
On Apr 19, 2011, at 8:29 PM
.
From: Dan Fink
To: RE-wrenches
Sent: Tue, April 19, 2011 10:18:48 PM
Subject: Re: [RE-wrenches] Batteries in parrallel Failure
We almost had a house fire in the neighborhood a couple months ago from a
parallel battery bank failurean aging 2x8 L16 48v battery bank (16 of
We almost had a house fire in the neighborhood a couple months ago from
a parallel battery bank failurean aging 2x8 L16 48v battery bank (16
of them), and one bat in bank one got a short and thermal runaway. I
teach in my firefighter safety classes that thermal runaway is really
rare, but i
Batteries in parallel, How to protect from catastrophic failure.
I just got contacted to commission a solar system off grid not of my
design. Eight battery strings in parallel, AGM batteries, 24 volts @ 120 AH
each string (two 12 volt in series) New system, new batteries, Silent POwer
Inverte
Remember when? Yes, just yesterday.
I get more than a few tightwad, penny pinchers in our store and no
matter what I say they are going to do it THEIR way.
Quote: "I watch my meter and unhook the panel if it get's to 13 volts"
I'm not kidding.
Another quote: "Life's tough, ...it's even toughe
00 Ahr @20 hour rate
battery. Jamie says they should be shipping with in next few weeks.
Contact me off list FNI.
Sent via BlackBerry by AT&T
-Original Message-
From: "Jeff Blick"
Date: Thu, 5 Mar 2009 20:45:46
To:
Subject: [RE-wrenches] batteries
__
Surrette has a new 2 volt "L 16" size,1100 Ahr @20 hour rate battery. Jamie
says they should be shipping with in next few weeks. Contact me off list FNI.
Sent via BlackBerry by AT&T
-Original Message-
From: "Jeff Blick"
Date: Thu, 5 Mar 2009 20:45:46
To
Jeff:
Can your client maintain batteries?
The IBE 85N-13 is 627 AH of FLA. One string is too small, two strings is
too large, so you may need to keep looking. I would add that we have had
only one failure in 20 plus years of use.
The MK-8A8DLTP Deka is 245 amp hours of AGM. Three strings
Hi wrenches,
I am looking for a quality battery to use in the 700-900 amp hour range.
Anyone have any suggestions as to a good product in this range?
Jeff Blick
Lead PV Installer
Sunlight Solar Energy, Inc.
direct: 541-306-4196
fax: 541-322-1911
jeff.bl...@sunlightsolar.com
www.sunlights
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