Re: [RE-wrenches] SB -40 Wi-Fi

2016-12-28 Thread MiJo Nels 
I fully agree that some sort of display/interface is crucial to making our
lives easier. We do many remote applications, as well as just having
horrible internet service in our area and many installations have no--->
internet, cell service, WiFi, etc.. it would be a shame to limit ourselves..

Joe Nelson

On Dec 15, 2016 13:22, "William Miller"  wrote:

> Howie:
>
>
>
> I have not tried the Wi-Fi capabilities, so I cannot comment on that
> aspect.  What is relevant, however, is the news I received from a reliable
> source that the 40 series inverter will be the last residential inverter
> manufactured by SMA that will have an on-board display.  As evidence of
> this, look in the manual for a 40 series or even a 22 series inverter-
> there is no description at all of the display functions.  Odd and
> disappointing.
>
>
>
> SMA should have a representative on this list.  It may still be Steve
> Jefferson, who is a stand-up guy. SMA, what say you about these
> communications and display questions?
>
>
>
> Wrenches, if you think having an on-board display is important, voice your
> opinion.  If the Wi-Fi is problematic, this is not a good direction.  A lot
> of my clients are elderly and they are not as adept at computer or device
> based operations. A display is essential in my opinion.  SMA, please don’t
> kill the display.
>
>
>
> William Miller
>
>
>
>
>
> [image: Gradient Cap_mini]
> Lic 773985
> millersolar.com 
> 805-438-5600 <(805)%20438-5600>
>
>
>
> *From:* RE-wrenches [mailto:re-wrenches-boun...@lists.re-wrenches.org] *On
> Behalf Of *Howie Michaelson
> *Sent:* Thursday, December 15, 2016 6:16 AM
> *To:* RE-wrenches 
> *Subject:* [RE-wrenches] SB -40 Wifi
>
>
>
> I am looking for comments on the viability of the Wi-Fi option of the new
> SB -40 inverters. I noticed some concern here about the poor performance of
> this option and am trying to decide whether to use it in the case of a long
> distance between the inverters and the router.
>
> I can place a repeater between the inverters and as well as purchase the
> external antenna option from SMA for the inverters, but would like to have
> an idea ahead of buying and installing the 2 antennas if this is likely to
> work. I do have the option of running an Ethernet cable, but it is a long
> (500' +) and difficult pull. Any comments or suggestions would be
> appreciated.
>
> Thanks,
>
> Howie
> Howie Michaelson
> NABCEP Certified Solar PV Installer™
>
> Sun Catcher
> Renewable Energy Systems Sales and Service
> VT Solar Electric Incentive Partner
> 802-272-0004 <(802)%20272-0004>
>
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Re: [RE-wrenches] AC/DC in Same Trench?

2016-12-28 Thread jerrysgarage01 


WrenchesAs a matter of practice, we always use conduite, never direct burial, 
always copper too, we have had AC and DC in the same trench but with space 
seperating the conduits and have had no issues with noise or JHA. As a safety 
issue we would not risk direct burial of high voltage DC regardless. Jerry


Sent from my Verizon, Samsung Galaxy smartphone

 Original message 
From: Ray Walters  
Date: 12/28/16  12:00 PM  (GMT-10:00) 
To: RE-wrenches  
Subject: Re: [RE-wrenches] AC/DC in Same Trench? 


Also, you didn't specify, but AC and DC are specifically allowed in
the same raceway per 300.3(C)(1).  Only If the DC circuits are PV
source or output circuits, then 690.31(B) prevails, which says they
can't share a raceway.  But again, as Chris mentions, this
restriction does not apply to direct burial.  

R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer, 
Licensed Master Electrician
Solar Design Engineer
303 505-8760
On 12/28/2016 12:58 PM, Chris Mason
  wrote:



  No problem with same trench, the requirements are
that they are not in the same raceway.
  

On Wed, Dec 28, 2016 at 1:37 PM, Corey
  Shalanski 
  wrote:

  
For some upcoming utility-scale projects our
  design team is wondering about placing direct-bury AC and
  DC circuits in the same trench.
  - Firstly, is this even Code-permissible?
  - Secondly, are there any common sense reasons
(induced voltage/signal interference/etc) for not doing
this?
  

  
  Thanks,
  Corey Shalanski
  Joule Energy
  New Orleans, LA



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-- 


  Chris Mason

  NABCEP Certified Solar PV
  Installer™
  Solar Design Engineer
  Generac Generators Industrial
  technician



  
www.cometsolar.com
264.235.5670
869.662.5670
Skype: netconcepts
  

  
  

  
  

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Re: [RE-wrenches] AC/DC in Same Trench?

2016-12-28 Thread Ray Walters 
Also, you didn't specify, but AC and DC are specifically allowed in the 
same raceway per 300.3(C)(1).  Only If the DC circuits are PV source or 
output circuits, then 690.31(B) prevails, which says they can't share a 
raceway.  But again, as Chris mentions, this restriction does not apply 
to direct burial.


R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760

On 12/28/2016 12:58 PM, Chris Mason wrote:
No problem with same trench, the requirements are that they are not in 
the same raceway.


On Wed, Dec 28, 2016 at 1:37 PM, Corey Shalanski 
> wrote:


For some upcoming utility-scale projects our design team is
wondering about placing direct-bury AC and DC circuits in the same
trench.
- Firstly, is this even /Code/-permissible?
- Secondly, are there any common sense reasons (induced
voltage/signal interference/etc) for not doing this?

Thanks,
Corey Shalanski
Joule Energy
New Orleans, LA

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--
Chris Mason
NABCEP Certified Solar PV Installer™
Solar Design Engineer
Generac Generators Industrial technician

www.cometsolar.com 
264.235.5670
869.662.5670
Skype: netconcepts


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Re: [RE-wrenches] AC/DC in Same Trench?

2016-12-28 Thread Chris Mason 
No problem with same trench, the requirements are that they are not in the
same raceway.

On Wed, Dec 28, 2016 at 1:37 PM, Corey Shalanski 
wrote:

> For some upcoming utility-scale projects our design team is wondering
> about placing direct-bury AC and DC circuits in the same trench.
> - Firstly, is this even *Code*-permissible?
> - Secondly, are there any common sense reasons (induced voltage/signal
> interference/etc) for not doing this?
>
> Thanks,
> Corey Shalanski
> Joule Energy
> New Orleans, LA
>
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-- 
Chris Mason
NABCEP Certified Solar PV Installer™
Solar Design Engineer
Generac Generators Industrial technician

www.cometsolar.com 
264.235.5670
869.662.5670
Skype: netconcepts
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[RE-wrenches] AC/DC in Same Trench?

2016-12-28 Thread Corey Shalanski 
For some upcoming utility-scale projects our design team is wondering about
placing direct-bury AC and DC circuits in the same trench.
- Firstly, is this even *Code*-permissible?
- Secondly, are there any common sense reasons (induced voltage/signal
interference/etc) for not doing this?

Thanks,
Corey Shalanski
Joule Energy
New Orleans, LA
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