date:20151015

[RE-wrenches] new type of overcurrent protection

2015-10-15 Thread Kirk Herander

A local electrician found this disconnect "protecting" a 3-phase air
handler. 

Commercial DYI - Vermont-style.

 

 



 

Kirk Herander

Owner|Principal, VT Solar, LLC 

Proven PV provider since 1991

www.vermontsolarnow.com

dba Vermont Solar Engineering

NABCEPTM  2003 Inaugural Certificant

VT RE Incentive Program Partner

802.863.1202

 

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Re: [RE-wrenches] Tigo

2015-10-15 Thread Solar

I've used them a few times and have them on my home due to a small shade issue. 
Like mentioned the monitoring is great, lots of data. Never had a problem with 
any parts. 

Jesse

Sent from my iPhone

> On Oct 14, 2015, at 8:22 PM, Marco Mangelsdorf  wrote:
> 
> Hola amigos y amigas.
>  
> I’d appreciate feedback on the use of Tigo DC optimizers, specifically with 
> the SMA TL line.
>  
> Any good, bad or ugly stories to share?
>  
> Mahalo,
> marco
>  
> 
> Marco Mangelsdorf, President
> 69 Railroad Avenue, A-7
> Hilo, Hawai'i 96720
> (808) 969-3281, 934-7462 facsimile
> www.provision-solar.com
>  
>  
> 
> 
>   
> This email has been checked for viruses by Avast antivirus software. 
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Re: [RE-wrenches] Racking for Steep Roofs

2015-10-15 Thread Garrison Riegel

Thanks for the responses.  

 

I called UniRac and IronRidge who both confirmed they max out at 45°.  UniRac 
said anything over 45° is considered a wall and requires different testing and 
certification.  They said the primary concern is the end clamp which holds the 
module by friction only.  Mid clamps should hold no problem.  They suggested 
getting an engineer to stamp a custom bolted end clamp solution and we should 
be good.

 

I’ve been looking for a good excuse to try Snap n Rack…

 

Thanks,

Garrison   

 

From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf 
Of Aram Alexander
Sent: Wednesday, October 14, 2015 7:39 PM
To: RE-wrenches 
Subject: Re: [RE-wrenches] Racking for Steep Roofs

 

Pro solar will work just fine.

Aram 


On Oct 14, 2015, at 2:56 PM, Jerry Shafer  > wrote:

I would suggest calling unirac as it may be a software issue that uou are 
having but they will confirm eitherway
Jerry

On Oct 14, 2015 9:25 AM, "Garrison Riegel"  > wrote:

Wrenches,

 

Can anyone recommend a flush mount racking system for really steep roofs?  I 
have two projects coming up on 15/12 (~51°) and none of the usual manufacturers 
we use for flush mounts (IronRidge XR, Unirac SolarMount, Schletter Solo, DPW 
Powerrail) can handle this apparently…at least according to their design tools 
and manuals.

 

Any advice would be much appreciated.

 

Thanks,

Garrison 

 

Garrison Riegel

PV Operations Manager |   Solar Service Inc

[p] 847-677-0950   |   
garri...@solarserviceinc.com

 

NABCEP Certified PV Installation Professional™

 

 

   


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Re: [RE-wrenches] AGS sensitive battery charger

2015-10-15 Thread b...@midnitesolar.com



We are not really advocating doing this.  It can cause nightmares in 
service and support.


If one really knows what they are doing, it can be done (and has been 
done) but mere mortals should not

be attempting to do this.

I would get a real AC to DC charger.  If  IOTA isn't good enough, maybe 
Magnum's is
ready or did I hear that the big  "X" has had one or two of these for 
quite some time now ?


Power factor corrected even ?

boB


On 10/15/2015 4:20 PM, Roy Rakobitsch wrote:


The midnite classic 250 can do this fine. Rectify the generator 110vac 
to around 165vdc and feed into classic. Use Aux functions to start and 
stop generator based on battery voltage or SOC %.


Roy Rakobitsch
NABCEP Certified Small Wind Installer®
NABCEP Certified Solar PV Installer®
Certified Advanced Tower Climbing, Safety & Rescue
Wind/PV Design Engineer
Windsine LLC
631-514-4166
www.windsine.org 

On Oct 15, 2015 6:15 PM, "Chris Daum" > wrote:


Dear people:
I'm looking for an easy solution for battery charging off a
generator, but trying to save the cost of a big inverter.  I have
a customer who needs to charge a 48V battery bank with a 30A
charger off of a generator--but I need it to sense when the
battery voltage is low, so that the "device" (charger) will
automatically turn on the (2-wire start) generator and charge the
batteries.  I am trying to avoid the cost of, say, a Magnum
4448PAE with its AGS module, and just get a voltage sensitive
battery charger.  Is this doable?  Any ideas?
THANKS.

Chris Daum
Oasis Montana Inc.
406-777-4309 
406-777-0830  fax
www.oasismontana.com 




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Re: [RE-wrenches] AGS sensitive battery charger

2015-10-15 Thread Bruce Geddes

What about the Morningstar Relay Driver?  You could use one port as battery
voltage sense, another to control the gene start relay, third to sense
generator voltage and 4th to control AC relay via a timer to allow generator
warmup time.

 

Bruce Geddes

Technical Director

Freedom Energy Ltd

Description: freedomEnergy smallwww.freedomenergy.co.nz

 

 

 

From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On
Behalf Of Chris Daum
Sent: Friday, 16 October 2015 12:51 p.m.
To: 'RE-wrenches'; i...@windsine.org
Subject: Re: [RE-wrenches] AGS sensitive battery charger

 

Yes, but how do you integrate a sensor with an Iota?  And I don't think they
make a 30A (or higher would be fine, he's got a bigass generator) 48V
charger   I got ears, but I've never heard of such a thing.  It just
seems like a damn shame to buy a big inverter when I just need a decent
charger with an AGS module!  But I'm not technically inclined enough to rig
some voltage-sensitive relay, or the like.

 

--Chris @ the Oasis MT

 

 

  _  

From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On
Behalf Of b...@midnitesolar.com
Sent: Thursday, October 15, 2015 5:29 PM
To: i...@windsine.org; RE-wrenches
Subject: Re: [RE-wrenches] AGS sensitive battery charger


We are not really advocating doing this.  It can cause nightmares in service
and support.

If one really knows what they are doing, it can be done (and has been done)
but mere mortals should not
be attempting to do this.

I would get a real AC to DC charger.  If  IOTA isn't good enough, maybe
Magnum's is
ready or did I hear that the big  "X" has had one or two of these for quite
some time now ?

Power factor corrected even ?

boB


On 10/15/2015 4:20 PM, Roy Rakobitsch wrote:

The midnite classic 250 can do this fine. Rectify the generator 110vac to
around 165vdc and feed into classic. Use Aux functions to start and stop
generator based on battery voltage or SOC %.

Roy Rakobitsch
NABCEP Certified Small Wind InstallerR
NABCEP Certified Solar PV InstallerR
Certified Advanced Tower Climbing, Safety & Rescue
Wind/PV Design Engineer
Windsine LLC
631-514-4166
www.windsine.org

On Oct 15, 2015 6:15 PM, "Chris Daum"  wrote:

Dear people:

 

I'm looking for an easy solution for battery charging off a generator, but
trying to save the cost of a big inverter.  I have a customer who needs to
charge a 48V battery bank with a 30A charger off of a generator--but I need
it to sense when the battery voltage is low, so that the "device" (charger)
will automatically turn on the (2-wire start) generator and charge the
batteries.  I am trying to avoid the cost of, say, a Magnum 4448PAE with its
AGS module, and just get a voltage sensitive battery charger.  Is this
doable?  Any ideas?

 

THANKS.

 

Chris Daum
Oasis Montana Inc.
406-777-4309
406-777-0830 fax
www.oasismontana.com 
  

 

 

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Re: [RE-wrenches] AGS sensitive battery charger

2015-10-15 Thread Starlight Solar Power Systems

Exactly! And fully programmable voltage, charge timers, equalization, etc. I’ve 
been begging Magnum Energy to do this. About 4 years ago they started telling 
me they were working on it. I guess they don’t realize how many are needed. I 
sell lots of Iota because I can tweak the voltage but that’s still primitive 
compared to what is really needed.

Larry



On Oct 15, 2015, at 5:56 PM, b...@midnitesolar.com wrote:


The industry needs a GOOD battery charger !  PFC and fully adjustable with 
battery shunt interface, gen-start,
etc.  That  could be used for lots of installations like this one Chris is 
looking for.  It's needed all the time.

It's a no brainer what features it should have. 

I've wanted to do this here for quite a while but there have been too many 
irons in the fire as it is.

boB

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Re: [RE-wrenches] AGS sensitive battery charger

2015-10-15 Thread Bruce Erickson

Wouldn't the Atkinson GSCM generator start module do what you need? It can send 
start and stop signals based on voltage. I'm not sure if those are still being 
made.http://atkinsonelectronics.com/manufacturing/product_pdfs/GSCM.pdf

Bruce Erickson
Mendocino Solar Service
PO Box 1252
Mendocino, CA 95460
707-937-1701
707-937-1741 fax
br...@mendocinosolar.com

Connecting Mendocino County to Solar Since 1994







On Oct 15, 2015, at 4:51 PM, Chris Daum wrote:

> Yes, but how do you integrate a sensor with an Iota?  And I don't think they 
> make a 30A (or higher would be fine, he's got a bigass generator) 48V 
> charger   I got ears, but I've never heard of such a thing.  It just 
> seems like a damn shame to buy a big inverter when I just need a decent 
> charger with an AGS module!  But I'm not technically inclined enough to rig 
> some voltage-sensitive relay, or the like.
>  
> --Chris @ the Oasis MT
> 
> 
> From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On 
> Behalf Of b...@midnitesolar.com
> Sent: Thursday, October 15, 2015 5:29 PM
> To: i...@windsine.org; RE-wrenches
> Subject: Re: [RE-wrenches] AGS sensitive battery charger
> 
> 
> We are not really advocating doing this.  It can cause nightmares in service 
> and support.
> 
> If one really knows what they are doing, it can be done (and has been done) 
> but mere mortals should not
> be attempting to do this.
> 
> I would get a real AC to DC charger.  If  IOTA isn't good enough, maybe 
> Magnum's is
> ready or did I hear that the big  "X" has had one or two of these for quite 
> some time now ?
> 
> Power factor corrected even ?
> 
> boB
> 
> 
> On 10/15/2015 4:20 PM, Roy Rakobitsch wrote:
>> The midnite classic 250 can do this fine. Rectify the generator 110vac to 
>> around 165vdc and feed into classic. Use Aux functions to start and stop 
>> generator based on battery voltage or SOC %.
>> 
>> Roy Rakobitsch
>> NABCEP Certified Small Wind Installer®
>> NABCEP Certified Solar PV Installer®
>> Certified Advanced Tower Climbing, Safety & Rescue
>> Wind/PV Design Engineer
>> Windsine LLC
>> 631-514-4166
>> www.windsine.org
>> 
>> On Oct 15, 2015 6:15 PM, "Chris Daum"  wrote:
>> Dear people:
>>  
>> I'm looking for an easy solution for battery charging off a generator, but 
>> trying to save the cost of a big inverter.  I have a customer who needs to 
>> charge a 48V battery bank with a 30A charger off of a generator--but I need 
>> it to sense when the battery voltage is low, so that the "device" (charger) 
>> will automatically turn on the (2-wire start) generator and charge the 
>> batteries.  I am trying to avoid the cost of, say, a Magnum 4448PAE with its 
>> AGS module, and just get a voltage sensitive battery charger.  Is this 
>> doable?  Any ideas?
>>  
>> THANKS.
>>  
>> Chris Daum
>> Oasis Montana Inc.
>> 406-777-4309
>> 406-777-0830 fax
>> www.oasismontana.com 
>>  
>> 
>> 
> 
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Re: [RE-wrenches] AGS sensitive battery charger

2015-10-15 Thread Roy Rakobitsch

The midnite classic 250 can do this fine. Rectify the generator 110vac to
around 165vdc and feed into classic. Use Aux functions to start and stop
generator based on battery voltage or SOC %.

Roy Rakobitsch
NABCEP Certified Small Wind Installer®
NABCEP Certified Solar PV Installer®
Certified Advanced Tower Climbing, Safety & Rescue
Wind/PV Design Engineer
Windsine LLC
631-514-4166
www.windsine.org
On Oct 15, 2015 6:15 PM, "Chris Daum"  wrote:

> Dear people:
>
> I'm looking for an easy solution for battery charging off a generator, but
> trying to save the cost of a big inverter.  I have a customer who needs to
> charge a 48V battery bank with a 30A charger off of a generator--but I need
> it to sense when the battery voltage is low, so that the "device" (charger)
> will automatically turn on the (2-wire start) generator and charge the
> batteries.  I am trying to avoid the cost of, say, a Magnum 4448PAE with
> its AGS module, and just get a voltage sensitive battery charger.  Is this
> doable?  Any ideas?
>
> THANKS.
>
>
> Chris Daum
> Oasis Montana Inc.
> 406-777-4309
> 406-777-0830 fax
> www.oasismontana.com
>
>
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Re: [RE-wrenches] AGS sensitive battery charger

2015-10-15 Thread Windsine Inc.

Sorry boB, I retract my advice then :-)

Ive done it fine (I do like to use big filter caps on the input to clean up
ripple) and keep close tabs on whats going on.

My listeroid has been running into an MX60  for many years (7 or 8 years)
without issues at around 3kw into 48v bank, and has proved to be the most
reliable way to couple a generator that I know of (for what its worth).

On Thu, Oct 15, 2015 at 6:28 PM, b...@midnitesolar.com 
wrote:

>
> We are not really advocating doing this.  It can cause nightmares in
> service and support.
>
> If one really knows what they are doing, it can be done (and has been
> done) but mere mortals should not
> be attempting to do this.
>
> I would get a real AC to DC charger.  If  IOTA isn't good enough, maybe
> Magnum's is
> ready or did I hear that the big  "X" has had one or two of these for
> quite some time now ?
>
> Power factor corrected even ?
>
> boB
>
>
> On 10/15/2015 4:20 PM, Roy Rakobitsch wrote:
>
> The midnite classic 250 can do this fine. Rectify the generator 110vac to
> around 165vdc and feed into classic. Use Aux functions to start and stop
> generator based on battery voltage or SOC %.
>
> Roy Rakobitsch
> NABCEP Certified Small Wind Installer®
> NABCEP Certified Solar PV Installer®
> Certified Advanced Tower Climbing, Safety & Rescue
> Wind/PV Design Engineer
> Windsine LLC
> 631-514-4166
> www.windsine.org
> On Oct 15, 2015 6:15 PM, "Chris Daum"  wrote:
>
>> Dear people:
>>
>> I'm looking for an easy solution for battery charging off a generator,
>> but trying to save the cost of a big inverter.  I have a customer who needs
>> to charge a 48V battery bank with a 30A charger off of a generator--but I
>> need it to sense when the battery voltage is low, so that the "device"
>> (charger) will automatically turn on the (2-wire start) generator and
>> charge the batteries.  I am trying to avoid the cost of, say, a Magnum
>> 4448PAE with its AGS module, and just get a voltage sensitive battery
>> charger.  Is this doable?  Any ideas?
>>
>> THANKS.
>>
>>
>> Chris Daum
>> Oasis Montana Inc.
>> 406-777-4309
>> 406-777-0830 fax
>> www.oasismontana.com
>>
>>
>>
>
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-- 
Windsine Inc.
PO Box 295
Westhampton, NY 11977
www.Windsine.org
(631) 514-4166

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Re: [RE-wrenches] AGS sensitive battery charger

2015-10-15 Thread Chris Daum

Yes, but how do you integrate a sensor with an Iota?  And I don't think they
make a 30A (or higher would be fine, he's got a bigass generator) 48V
charger   I got ears, but I've never heard of such a thing.  It just
seems like a damn shame to buy a big inverter when I just need a decent
charger with an AGS module!  But I'm not technically inclined enough to rig
some voltage-sensitive relay, or the like.
 
--Chris @ the Oasis MT



  _  

From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On
Behalf Of b...@midnitesolar.com
Sent: Thursday, October 15, 2015 5:29 PM
To: i...@windsine.org; RE-wrenches
Subject: Re: [RE-wrenches] AGS sensitive battery charger



We are not really advocating doing this.  It can cause nightmares in service
and support.

If one really knows what they are doing, it can be done (and has been done)
but mere mortals should not
be attempting to do this.

I would get a real AC to DC charger.  If  IOTA isn't good enough, maybe
Magnum's is
ready or did I hear that the big  "X" has had one or two of these for quite
some time now ?

Power factor corrected even ?

boB


On 10/15/2015 4:20 PM, Roy Rakobitsch wrote:


The midnite classic 250 can do this fine. Rectify the generator 110vac to
around 165vdc and feed into classic. Use Aux functions to start and stop
generator based on battery voltage or SOC %.

Roy Rakobitsch
NABCEP Certified Small Wind InstallerR
NABCEP Certified Solar PV InstallerR
Certified Advanced Tower Climbing, Safety & Rescue
Wind/PV Design Engineer
Windsine LLC
631-514-4166
www.windsine.org

On Oct 15, 2015 6:15 PM, "Chris Daum"  wrote:


Dear people:
 
I'm looking for an easy solution for battery charging off a generator, but
trying to save the cost of a big inverter.  I have a customer who needs to
charge a 48V battery bank with a 30A charger off of a generator--but I need
it to sense when the battery voltage is low, so that the "device" (charger)
will automatically turn on the (2-wire start) generator and charge the
batteries.  I am trying to avoid the cost of, say, a Magnum 4448PAE with its
AGS module, and just get a voltage sensitive battery charger.  Is this
doable?  Any ideas?
 
THANKS.
 
Chris Daum
Oasis Montana Inc.
406-777-4309
406-777-0830 fax
www.oasismontana.com 
  



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Re: [RE-wrenches] AGS sensitive battery charger

2015-10-15 Thread b...@midnitesolar.com



The industry needs a GOOD battery charger !  PFC and fully adjustable 
with battery shunt interface, gen-start,
etc.  That  could be used for lots of installations like this one Chris 
is looking for.  It's needed all the time.


It's a no brainer what features it should have.

I've wanted to do this here for quite a while but there have been too 
many irons in the fire as it is.


boB


On 10/15/2015 4:45 PM, Windsine Inc. wrote:

Sorry boB, I retract my advice then :-)

Ive done it fine (I do like to use big filter caps on the input to 
clean up ripple) and keep close tabs on whats going on.


My listeroid has been running into an MX60  for many years (7 or 8 
years) without issues at around 3kw into 48v bank, and has proved to 
be the most reliable way to couple a generator that I know of (for 
what its worth).


On Thu, Oct 15, 2015 at 6:28 PM, b...@midnitesolar.com 
 > wrote:



We are not really advocating doing this.  It can cause nightmares
in service and support.

If one really knows what they are doing, it can be done (and has
been done) but mere mortals should not
be attempting to do this.

I would get a real AC to DC charger.  If  IOTA isn't good enough,
maybe Magnum's is
ready or did I hear that the big  "X" has had one or two of these
for quite some time now ?

Power factor corrected even ?

boB


On 10/15/2015 4:20 PM, Roy Rakobitsch wrote:


The midnite classic 250 can do this fine. Rectify the generator
110vac to around 165vdc and feed into classic. Use Aux functions
to start and stop generator based on battery voltage or SOC %.

Roy Rakobitsch
NABCEP Certified Small Wind Installer®
NABCEP Certified Solar PV Installer®
Certified Advanced Tower Climbing, Safety & Rescue
Wind/PV Design Engineer
Windsine LLC
631-514-4166 
www.windsine.org 

On Oct 15, 2015 6:15 PM, "Chris Daum" > wrote:

Dear people:
I'm looking for an easy solution for battery charging off a
generator, but trying to save the cost of a big inverter.  I
have a customer who needs to charge a 48V battery bank with a
30A charger off of a generator--but I need it to sense when
the battery voltage is low, so that the "device" (charger)
will automatically turn on the (2-wire start) generator and
charge the batteries.  I am trying to avoid the cost of, say,
a Magnum 4448PAE with its AGS module, and just get a voltage
sensitive battery charger.  Is this doable?  Any ideas?
THANKS.

Chris Daum
Oasis Montana Inc.
406-777-4309 
406-777-0830  fax
www.oasismontana.com 





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--
Windsine Inc.
PO Box 295
Westhampton, NY 11977
www.Windsine.org 
(631) 514-4166

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Re: [RE-wrenches] Racking for Steep Roofs

2015-10-15 Thread Chris Mason

The SnapNRack universal end clamp isn't going to let go at any angle. It
grip the rear module face against the real with tremendous force.

https://www.google.com.ai/search?q=snapnrack+end+clamp=800=1232=lnms=isch=X=0CAYQ_AUoATgKahUKEwj0xoHz5MXIAhXMJh4KHZPYA9I#tbm=isch=snapnrack+universal+end+clamp=IQW5e-_E64qdMM%3A
On Oct 15, 2015 3:50 PM, "Garrison Riegel" 
wrote:

> Thanks for the responses.
>
>
>
> I called UniRac and IronRidge who both confirmed they max out at 45°.
> UniRac said anything over 45° is considered a wall and requires different
> testing and certification.  They said the primary concern is the end clamp
> which holds the module by friction only.  Mid clamps should hold no
> problem.  They suggested getting an engineer to stamp a custom bolted end
> clamp solution and we should be good.
>
>
>
> I’ve been looking for a good excuse to try Snap n Rack…
>
>
>
> Thanks,
>
> Garrison
>
>
>
> *From:* RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] *On
> Behalf Of *Aram Alexander
> *Sent:* Wednesday, October 14, 2015 7:39 PM
> *To:* RE-wrenches 
> *Subject:* Re: [RE-wrenches] Racking for Steep Roofs
>
>
>
> Pro solar will work just fine.
>
> Aram
>
>
> On Oct 14, 2015, at 2:56 PM, Jerry Shafer 
> wrote:
>
> I would suggest calling unirac as it may be a software issue that uou are
> having but they will confirm eitherway
> Jerry
>
> On Oct 14, 2015 9:25 AM, "Garrison Riegel" 
> wrote:
>
> Wrenches,
>
>
>
> Can anyone recommend a flush mount racking system for really steep roofs?
> I have two projects coming up on 15/12 (~51°) and none of the usual
> manufacturers we use for flush mounts (IronRidge XR, Unirac SolarMount,
> Schletter Solo, DPW Powerrail) can handle this apparently…at least
> according to their design tools and manuals.
>
>
>
> Any advice would be much appreciated.
>
>
>
> Thanks,
>
> Garrison
>
>
>
> Garrison Riegel
>
> PV Operations Manager | *Solar Service Inc*
> 
>
> [p] 847-677-0950 | garri...@solarserviceinc.com
>
>
>
> NABCEP Certified PV Installation Professional™
>
>
>
>
>
>
>
>
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[RE-wrenches] AGS sensitive battery charger

2015-10-15 Thread Chris Daum

Dear people:
 
I'm looking for an easy solution for battery charging off a generator, but
trying to save the cost of a big inverter.  I have a customer who needs to
charge a 48V battery bank with a 30A charger off of a generator--but I need
it to sense when the battery voltage is low, so that the "device" (charger)
will automatically turn on the (2-wire start) generator and charge the
batteries.  I am trying to avoid the cost of, say, a Magnum 4448PAE with its
AGS module, and just get a voltage sensitive battery charger.  Is this
doable?  Any ideas?
 
THANKS.
 
Chris Daum
Oasis Montana Inc.
406-777-4309
406-777-0830 fax
www.oasismontana.com 
  

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Re: [RE-wrenches] Racking for Steep Roofs

2015-10-15 Thread Allan Sindelar


  
  
Garrison,
I'm here in a campground in the Emerald Triangle with Jeff Spies,
who works for Quick Mount PV, and so I read him your message. He
suggested that you take the engineering specs from UniRac and
IronRidge to the AHJ, showing her pullout and shear capacities and
calculate both for your site, including snow and wind loads. The
maximum applied load should be less than the published working load
rating.

If the AHJ doesn't accept this approach, the next step is to get a
structural engineer to review the same and wet-stamp the result.

This legitimately gets around the manufacturers' certification issue
on an individual case basis.

Allan


  
  
  
  
  
  
  
  
  
  
  
Allan Sindelar
  al...@sindelarsolar.com
  NABCEP Certified PV
Installation Professional
NABCEP Certified Technical Sales Professional
New Mexico EE98J Journeyman Electrician
Founder (Retired), Positive
  Energy,
  Inc.
505 780-2738 cell


 
  

On 10/15/2015 1:50 PM, Garrison Riegel
  wrote:


  
  
  
  
Thanks
for the responses.  
 
I
called UniRac and IronRidge who both confirmed they max out
at 45°. 
UniRac said anything over 45°
is considered a wall and requires different testing and
certification.  They said the primary concern is the end
clamp which holds the module by friction only.  Mid clamps
should hold no problem.  They suggested getting an engineer
to stamp a custom bolted end clamp solution and we should be
good.    
 
I’ve
been looking for a good excuse to try Snap n Rack…
 
Thanks,
Garrison
  
 

  
From:
RE-wrenches
[mailto:re-wrenches-boun...@lists.re-wrenches.org] On
  Behalf Of Aram Alexander
Sent: Wednesday, October 14, 2015 7:39 PM
To: RE-wrenches

Subject: Re: [RE-wrenches] Racking for Steep
Roofs
  

 

  Pro solar will work just fine.

Aram 


  
On Oct 14, 2015, at 2:56 PM, Jerry Shafer 
wrote:


  
I would suggest calling unirac as it may be a software
  issue that uou are having but they will confirm eitherway
  Jerry

  On Oct 14, 2015 9:25 AM, "Garrison
Riegel" 
wrote:
  

  

  

  
Wrenches,
 
Can
anyone recommend a flush mount racking
system for really steep roofs?  I have
two projects coming up on 15/12 (~51°)
and none of the usual manufacturers we
use for flush mounts (IronRidge XR,
Unirac SolarMount, Schletter Solo, DPW
Powerrail) can handle this apparently…at
least according to their design tools
and manuals.
 
Any
advice would be much appreciated.
 
Thanks,
Garrison
  
  

  

 
Garrison
Riegel
PV
Operations Manager | Solar
  Service Inc
[p]
847-677-0950
| garri...@solarserviceinc.com
 
NABCEP
Certified PV Installation Professional™
 
 
 
 
  


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Re: [RE-wrenches] Racking for Steep Roofs

2015-10-15 Thread Jeff Irish

Did you look at Unirac SunFrame?  It uses shared rails and a continuous cap 
strip.  The installers can also set the modules in the rail which is really 
nice on steep roofs.  If you are in a freeze/thaw climate contact me off-line 
because there’s a subtle thermal contraction consideration to allow for.

Jeff Irish
Hudson Solar

From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf 
Of Garrison Riegel
Sent: Thursday, October 15, 2015 3:50 PM
To: 'RE-wrenches'
Subject: Re: [RE-wrenches] Racking for Steep Roofs

Thanks for the responses.

I called UniRac and IronRidge who both confirmed they max out at 45°.  UniRac 
said anything over 45° is considered a wall and requires different testing and 
certification.  They said the primary concern is the end clamp which holds the 
module by friction only.  Mid clamps should hold no problem.  They suggested 
getting an engineer to stamp a custom bolted end clamp solution and we should 
be good.

I’ve been looking for a good excuse to try Snap n Rack…

Thanks,
Garrison

From: RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf 
Of Aram Alexander
Sent: Wednesday, October 14, 2015 7:39 PM
To: RE-wrenches 
>
Subject: Re: [RE-wrenches] Racking for Steep Roofs

Pro solar will work just fine.

Aram

On Oct 14, 2015, at 2:56 PM, Jerry Shafer 
> wrote:

I would suggest calling unirac as it may be a software issue that uou are 
having but they will confirm eitherway
Jerry
On Oct 14, 2015 9:25 AM, "Garrison Riegel" 
> wrote:
Wrenches,

Can anyone recommend a flush mount racking system for really steep roofs?  I 
have two projects coming up on 15/12 (~51°) and none of the usual manufacturers 
we use for flush mounts (IronRidge XR, Unirac SolarMount, Schletter Solo, DPW 
Powerrail) can handle this apparently…at least according to their design tools 
and manuals.

Any advice would be much appreciated.

Thanks,
Garrison

Garrison Riegel
PV Operations Manager | Solar Service Inc
[p] 847-677-0950 | 
garri...@solarserviceinc.com

NABCEP Certified PV Installation Professional™

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[RE-wrenches] new type of overcurrent protection

Re: [RE-wrenches] Tigo

Re: [RE-wrenches] Racking for Steep Roofs

Re: [RE-wrenches] AGS sensitive battery charger

Re: [RE-wrenches] AGS sensitive battery charger

Re: [RE-wrenches] AGS sensitive battery charger

Re: [RE-wrenches] AGS sensitive battery charger

Re: [RE-wrenches] AGS sensitive battery charger

Re: [RE-wrenches] AGS sensitive battery charger

Re: [RE-wrenches] AGS sensitive battery charger

Re: [RE-wrenches] AGS sensitive battery charger

Re: [RE-wrenches] Racking for Steep Roofs

[RE-wrenches] AGS sensitive battery charger

Re: [RE-wrenches] Racking for Steep Roofs

Re: [RE-wrenches] Racking for Steep Roofs

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