Re: [RE-wrenches] Aquion batteries - batteries in general

[Bill Hennessy]

Greg--I've attached a link to East Penn Manufacturing (aka Deka or MK 
Batteries) recycling brochure. They have the largest battery plant in the world 
and recycle 200 million pounds of lead and 11 million pounds of plastic a year 
in their battery production. We live near them and we're in an area littered 
with superfund sites, but their commitment to the environment is impressive. 
Maybe cuz they're privately held. I don't work for them or benefit financially 
from them.
http://www.eastpennmanufacturing.com/wp-content/uploads/Recycling-Brochure-0103.pdf
That said, Aquion is producing a battery without using lead. The price tag is 
much higher and the batteries come with only a two-year warranty. I haven't 
seen anything on their site as to how one could tell if a battery is 
underperforming. Our systems are almost always grid-tie with battery backup, so 
reduced maintenance and long shelf life are the drivers--agm or gel.
With their ability to function with a partial state of charge, Aquions would do 
well in a distributed generation scenario and provide great support  for 
frequency and load managing. Imagine the net metering possibilities.
 Bill Hennessy
Berks Solar, LLC
371 Centennial Rd
Mertztown, PA 19539

o 610 682 4300
c 484 560 4666
NABCEP certified installer
PA contractor #44411
www.berkssolar.com
  From: Greg 
 To: re-wrenches@lists.re-wrenches.org 
 Sent: Tuesday, February 17, 2015 1:56 PM
 Subject: [RE-wrenches] Aquion batteries - batteries in general
   
Marco and all wrenches,

Thanks for the cost /benefit comparison on batteries.  We need batteries 
that won't freeze easily.  Even if the cost was the same we'd need to 
know more about the Aquions before we could risk installing them in the 
North.

I need a fact check from someone on Lead Acids:  Years ago I'd heard 
that lead acid batts sold in the US were built from 90+% recycled 
materials.  Supposedly there was somewhere in California that put them 
in a big mixer and busted them up.  Plastic floated to the top and was 
recycled, lead went to the bottom, also recycled. Electrolyte was also 
at least partially recycled.  If this is true it would make the lead 
acids relatively benign since no new smelting would be needed.  Any 
recent info/links on lead acid battery recycling in the US would be 
greatly appreciated

I like lead acids.  There's a little booklet from New England Solar 
Electric called "BATTERY BOOK FOR YOUR PV HOME" that I give away with 
each set of batteries we sell.  It doesn't completely cure premature 
battery death from neglect but I think it helps a lot. They're 
inexpensive and if you buy them by the dozen they'll cut you a deal on 
them.

Keep using your super powers for good!

Greg Egan
Remote Power Inc.
NABCEP Solar Installation Professional
Alaska #00106064 Journeyman Electrician
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Re: [RE-wrenches] Yingli modules

[Jerry Shafer]

Carl
Did you call Joe if its available he can get it to you
Jerry
On Feb 17, 2015 12:33 PM, "Carl Adams"  wrote:

>
> Thanks for the tips.  Focused Energy is carrying the Poly 255 Yingli black
> frame white backsheet.  Conergy referred me to Soligent and they are not
> carrying the Yingli brand.  Rumor is the Panda mono from Yingli are not
> available in the US.  Can anyone confirm this rumor?
>
> Cheers
> Carl Adams
> NABCEP Certified PV Installer
> SunRock Solar
>
> On Tue, Feb 17, 2015 at 12:08 PM, Benn Kilburn 
> wrote:
>
>> You can check with Conergy.
>>
>> Benn Kilburn
>> SkyFire Energy Inc.
>> 780-906-7807
>>
>>
>> On Feb 16, 2015, at 5:30 PM, Carl Adams  wrote:
>>
>> I have a customer who insists he must have Yingli modules. So far I can't
>> find them in distribution anywhere. Anyone have a source?
>>
>> With Regards
>> Carl Adams, President
>> SunRock Solar
>> 513.290.9072 (cell)
>> 513.766.6025 (office)
>>
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Re: [RE-wrenches] Yingli modules

[Carl Adams]

Thanks for the tips.  Focused Energy is carrying the Poly 255 Yingli black
frame white backsheet.  Conergy referred me to Soligent and they are not
carrying the Yingli brand.  Rumor is the Panda mono from Yingli are not
available in the US.  Can anyone confirm this rumor?

Cheers
Carl Adams
NABCEP Certified PV Installer
SunRock Solar

On Tue, Feb 17, 2015 at 12:08 PM, Benn Kilburn 
wrote:

> You can check with Conergy.
>
> Benn Kilburn
> SkyFire Energy Inc.
> 780-906-7807
>
>
> On Feb 16, 2015, at 5:30 PM, Carl Adams  wrote:
>
> I have a customer who insists he must have Yingli modules. So far I can't
> find them in distribution anywhere. Anyone have a source?
>
> With Regards
> Carl Adams, President
> SunRock Solar
> 513.290.9072 (cell)
> 513.766.6025 (office)
>
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[RE-wrenches] Aquion batteries - batteries in general

[Greg]

Marco and all wrenches,

Thanks for the cost /benefit comparison on batteries.  We need batteries 
that won't freeze easily.  Even if the cost was the same we'd need to 
know more about the Aquions before we could risk installing them in the 
North.


I need a fact check from someone on Lead Acids:  Years ago I'd heard 
that lead acid batts sold in the US were built from 90+% recycled 
materials.  Supposedly there was somewhere in California that put them 
in a big mixer and busted them up.  Plastic floated to the top and was 
recycled, lead went to the bottom, also recycled. Electrolyte was also 
at least partially recycled.  If this is true it would make the lead 
acids relatively benign since no new smelting would be needed.  Any 
recent info/links on lead acid battery recycling in the US would be 
greatly appreciated


I like lead acids.  There's a little booklet from New England Solar 
Electric called "BATTERY BOOK FOR YOUR PV HOME" that I give away with 
each set of batteries we sell.  It doesn't completely cure premature 
battery death from neglect but I think it helps a lot. They're 
inexpensive and if you buy them by the dozen they'll cut you a deal on 
them.


Keep using your super powers for good!

Greg Egan
Remote Power Inc.
NABCEP Solar Installation Professional
Alaska #00106064 Journeyman Electrician
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Re: [RE-wrenches] older magnum MS - capacitor remedy

[Greg]

Gary,

We've had problems from time to time with toyostoves and other sensitive 
electronics not liking the waveform coming from the inverter.  50 mcf, 
what voltage?  How is it wired?  Is there a schematic and any other info 
on the Magnum site for this fix?


Thanks!

Greg Egan
Remote Power Inc.


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Re: [RE-wrenches] Yingli modules

[Benn Kilburn]

You can check with Conergy. 

Benn Kilburn
SkyFire Energy Inc. 
780-906-7807


> On Feb 16, 2015, at 5:30 PM, Carl Adams  wrote:
> 
> I have a customer who insists he must have Yingli modules. So far I can't 
> find them in distribution anywhere. Anyone have a source?
> 
> With Regards
> Carl Adams, President
> SunRock Solar
> 513.290.9072 (cell)
> 513.766.6025 (office)
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Re: [RE-wrenches] Main Service Fuse rated higher than Bus Rating of attached sections?

[Mark Frye]

1. You need to know the actual rating of any sub-section buss that you 
will be backfeeding with PV. Do not backfeed this buss with more than 
100% of it's ampacity.


2. Evaluate 120% of the 4000A buss against the 3500A main and all PV 
backfeed all of the subsections.


Mark Frye

On 2/17/2015 7:37 AM, Allen Frishman wrote:

Mark,
Thank you, your response is very helpful! How does the 120% rule 
get applied to the 1000A sections in my example? When grid connecting 
downstream on the load side of the switches on the 1000A sections do 
we ignore the rating of the 1000A bus bar being protected by a 3500 
Amp Fuse?If yes what section in the code allows this?



/Al Frishman/
AeonSolar

/(917) 699-6641  - cell/
/(888) 460-2867 /
/www.aeonsolar.com /


On Feb 17, 2015, at 10:23 AM, Mark Frye wrote:


NEC 2008, 240.21 (B)(1)(1) a.

Each of the smaller buss sections are feeders which are sized 
according to the tap rules. I believe the answer to your question is 
that the larger fuse can't protect the smaller buss. *But*, the 
likelihood of a short developing in that section of the circuit is 
very small and if one did, damage to the equipment would be limited 
that area. This is the essence of allowing taps.


Mark Frye

On 2/17/2015 6:17 AM, Allen Frishman wrote:Wrenchers,
I run into lots of Service Equipment that has a Large Service Switch 
which feeds multiple Sections with the Bus bar on each section rated 
significantly less than the main bus.A specific example that I 
am currently looking at has a 4000Amp Switch with a 3500 Amp Fuse 
which feeds 3 (1000 Amp) switchgear sections. How is it possible 
that the 3500 Amp Fuse protects the (3) 1000 Amp Sections?In 
this particular case each of the 1000 Amp Sections has between 3 and 
6 fused switches on them. The sum of those switch/fuse ratings 
exceeds 1000 Amps in each case.For reference - This service gear 
is over 40 years old.


All thoughts are appreciated.

/Al Frishman/
AeonSolar

/(917) 699-6641  - cell/
/(888) 460-2867 /
/www.aeonsolar.com /




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Re: [RE-wrenches] Shurflo 9325 pump.....

[jay peltz]

Hi john

What you are looking for on the brushes is

End bell brush kit. $27

But I highly recommend Sunpumps brand submersible pumps. Vastly superior 
design, much easier to repair, and connecting the wires is super easy and won't 
leak

On the overall pump design all these diaphragm pumps require rebuilding or they 
will fail internally, then leak, then fill up with water which is kind of hard 
on them. 

If you look at life cycle cost, the grundfos SQflex, is a much better deal, IMHO

Jay

Peltz power. 






> On Feb 16, 2015, at 11:49 PM, "John"  wrote:
> 
> Hi all,
>  
> Can I call on the expertise of anyone involved with these pumps.   The 
> problem seems to be that the manufacturer wants to supply *kit* of parts and 
> not individual parts, like the brushes, which apparently need to be replaced 
> every year. Same with the cable adaptor – you have to buy a kit that 
> includes all sorts, when you only need one individual piece.
>  
> I realize why the manufacturers do this, but if you only need brushes, why 
> have to buy a whole Upper Housing kit.   And the Lower Housing kit only seems 
> to have the Beige/cream colored diaphragm instead of a black one – are the 
> black replacement ones unobtainable??
>  
> Also buying outside the U.S. poses a problem as agents don’t always have what 
> you need/want.
>  
> These are a good little pump and it appears they are a part of the great 
> Planned Obsolence way of the world, replacing next higher assemblies instead 
> of the required necessary parts.   Any good contacts on the West Coast for 
> some bits & pieces for these good little pumps.
>  
> Cheers for any & all help/advice – John Veix, 
>  New Zealand
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Re: [RE-wrenches] Main Service Fuse rated higher than Bus Rating of attached sections?

[Allen Frishman]

Mark,
Thank you, your response is very helpful! How does the 120% rule get 
applied to the 1000A sections in my example? When grid connecting 
downstream on the load side of the switches on the 1000A sections do we ignore 
the rating of the 1000A bus bar being protected by a 3500 Amp Fuse?If yes 
what section in the code allows this?


Al Frishman
AeonSolar

(917) 699-6641 - cell
(888) 460-2867
www.aeonsolar.com


On Feb 17, 2015, at 10:23 AM, Mark Frye wrote:

> NEC 2008, 240.21 (B)(1)(1) a.
> 
> Each of the smaller buss sections are feeders which are sized according to 
> the tap rules. I believe the answer to your question is that the larger fuse 
> can't protect the smaller buss. But, the likelihood of a short developing in 
> that section of the circuit is very small and if one did, damage to the 
> equipment would be limited that area. This is the essence of allowing taps.
> 
> Mark Frye
> 
> On 2/17/2015 6:17 AM, Allen Frishman wrote:Wrenchers,
>> I run into lots of Service Equipment that has a Large Service Switch which 
>> feeds multiple Sections with the Bus bar on each section rated significantly 
>> less than the main bus.A specific example that I am currently looking at 
>> has a 4000Amp Switch with a 3500 Amp Fuse which feeds 3 (1000 Amp) 
>> switchgear sections. How is it possible that the 3500 Amp Fuse protects 
>> the (3) 1000 Amp Sections?In this particular case each of the 1000 Amp 
>> Sections has between 3 and 6 fused switches on them. The sum of those 
>> switch/fuse ratings exceeds 1000 Amps in each case.For reference - This 
>> service gear is over 40 years old. 
>> 
>> All thoughts are appreciated.
>> Al Frishman
>> AeonSolar
>> 
>> (917) 699-6641 - cell
>> (888) 460-2867
>> www.aeonsolar.com
>> 
>> 
>> 
>> 
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Re: [RE-wrenches] Main Service Fuse rated higher than Bus Rating of attached sections?

[Mark Frye]

NEC 2008, 240.21 (B)(1)(1) a.

Each of the smaller buss sections are feeders which are sized according 
to the tap rules. I believe the answer to your question is that the 
larger fuse can't protect the smaller buss. *But*, the likelihood of a 
short developing in that section of the circuit is very small and if one 
did, damage to the equipment would be limited that area. This is the 
essence of allowing taps.


Mark Frye

On 2/17/2015 6:17 AM, Allen Frishman wrote:Wrenchers,
I run into lots of Service Equipment that has a Large Service Switch 
which feeds multiple Sections with the Bus bar on each section rated 
significantly less than the main bus.A specific example that I am 
currently looking at has a 4000Amp Switch with a 3500 Amp Fuse which 
feeds 3 (1000 Amp) switchgear sections. How is it possible that 
the 3500 Amp Fuse protects the (3) 1000 Amp Sections?In this 
particular case each of the 1000 Amp Sections has between 3 and 6 
fused switches on them. The sum of those switch/fuse ratings 
exceeds 1000 Amps in each case.For reference - This service gear 
is over 40 years old.


All thoughts are appreciated.

/Al Frishman/
AeonSolar

/(917) 699-6641  - cell/
/(888) 460-2867 /
/www.aeonsolar.com /




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[RE-wrenches] Main Service Fuse rated higher than Bus Rating of attached sections?

[Allen Frishman]

Wrenchers,
I run into lots of Service Equipment that has a Large Service Switch which 
feeds multiple Sections with the Bus bar on each section rated significantly 
less than the main bus.A specific example that I am currently looking at 
has a 4000Amp Switch with a 3500 Amp Fuse which feeds 3 (1000 Amp) switchgear 
sections. How is it possible that the 3500 Amp Fuse protects the (3) 1000 
Amp Sections?In this particular case each of the 1000 Amp Sections has 
between 3 and 6 fused switches on them. The sum of those switch/fuse 
ratings exceeds 1000 Amps in each case.For reference - This service gear is 
over 40 years old. 

All thoughts are appreciated.
Al Frishman
AeonSolar

(917) 699-6641 - cell
(888) 460-2867
www.aeonsolar.com


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Re: [RE-wrenches] Shurflo 9325 pump.....

[Tump]

I have in the past just removed the brushes and gone to a GOOD hardware store 
of a starter alternator shop and found something similar and used sandpaper to 
"fit" the brushes. The brush material is quite soft.
On Feb 17, 2015, at 2:49 AM, John wrote:

> Hi all,
>  
> Can I call on the expertise of anyone involved with these pumps.   The 
> problem seems to be that the manufacturer wants to supply *kit* of parts and 
> not individual parts, like the brushes, which apparently need to be replaced 
> every year. Same with the cable adaptor – you have to buy a kit that 
> includes all sorts, when you only need one individual piece.
>  
> I realize why the manufacturers do this, but if you only need brushes, why 
> have to buy a whole Upper Housing kit.   And the Lower Housing kit only seems 
> to have the Beige/cream colored diaphragm instead of a black one – are the 
> black replacement ones unobtainable??
>  
> Also buying outside the U.S. poses a problem as agents don’t always have what 
> you need/want.
>  
> These are a good little pump and it appears they are a part of the great 
> Planned Obsolence way of the world, replacing next higher assemblies instead 
> of the required necessary parts.   Any good contacts on the West Coast for 
> some bits & pieces for these good little pumps.
>  
> Cheers for any & all help/advice – John Veix, 
>  New Zealand
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> t...@swnl.net   www.SWNL.net
> Solarwinds Northernlights   
>Serving Mid Coast Maine & Northern California
>  207-832-7574   Cl. 610-517-8401  
> 
>   Blair "TUMP" May
>  MAINE'S CHARTER 
>   NABCEP"Certified PV Installer" 
>
>     MAINE'S CHARTER 
>   Trace Xantrex "Certified" Dealer / Installer"
> 


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