Re: [RE-wrenches] Point of connection question

2013-10-09 Thread William Miller
renches.org] On Behalf Of August Goers Sent: Wednesday, October 09, 2013 3:40 PM To: RE-wrenches Subject: Re: [RE-wrenches] Point of connection question William, You have 9 M190s each running at 800 mA according to spec sheet. That equals 7.2 A nominal output current. Plus you have 10 M250s

Re: [RE-wrenches] Point of connection question

2013-10-09 Thread August Goers
0 A solar breaker in this case. Best, August *From:* re-wrenches-boun...@lists.re-wrenches.org [mailto: re-wrenches-boun...@lists.re-wrenches.org] *On Behalf Of *William Miller *Sent:* Wednesday, October 09, 2013 3:07 PM *To:* RE-wrenches *Subject:* [RE-wrenches] Point of connection question

Re: [RE-wrenches] Point of connection question

2013-10-09 Thread Ray Walters
HI William; I think you might have a problem. Looking at Enphase's ratings, the M190 has an output rating of 800mA, while the M250 has an output rating of 1.0 A. 10 M250s = 10 amps, 9 M190s = 7.2 amps 17.2 amps exceeds 80% of your 20 amp breaker. I know this won't actually happen, but my und

[RE-wrenches] Point of connection question

2013-10-09 Thread William Miller
Friends: At the risk of asking a question that may have been asked and answered here in the past, I wish to pose a question about Point of Connection. Rather than outline the situation here I put it all on a web page. If any of you have a moment to review this, I would be most appreciative

Re: [RE-wrenches] Point of Connection 705.12D2 Exception

2012-12-31 Thread William
n to 5 or 10 amps. > David Katz > > Sent from my HTC smartphone on the Now Network from Sprint! > > > - Reply message - > From: "John Berdner" > To: "gseelho...@gmail.com" , "RE-wrenches" > > Subject: [RE-wrenches]

Re: [RE-wrenches] Point of Connection 705.12D2 Exception

2012-12-31 Thread David Katz
the Now Network from Sprint! - Reply message - From: "John Berdner" To: "gseelho...@gmail.com" , "RE-wrenches" Subject: [RE-wrenches] Point of Connection 705.12D2 Exception Date: Mon, Dec 31, 2012 7:39 am Greg: Two part answer... 1) Yes, downsizing th

Re: [RE-wrenches] Point of Connection 705.12D2 Exception

2012-12-31 Thread John Berdner
our new address.) T: 510.498.3201 ext 747 M: 530.277.4894 -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Greg Seelhorst Sent: Monday, December 31, 2012 6:49 AM To: 'RE-wrenches' Subject: Re: [RE-wrenches] Po

Re: [RE-wrenches] Point of Connection 705.12D2 Exception

2012-12-30 Thread William Miller
Jeremy: You are welcome, but credit belongs to Kent Osterberg. wm At 09:02 PM 12/30/2012, you wrote: William, They are using the 2011 code, so we should be good. 705.12D2 exception is a little confusing at first, but I got it. Jeremy Sent via BlackBerry. Sorry for typos and shorthand! ___

Re: [RE-wrenches] Point of Connection 705.12D2 Exception

2012-12-30 Thread Jeremy Rodriguez- All Solar Inc.
William, They are using the 2011 code, so we should be good. 705.12D2 exception is a little confusing at first, but I got it. Jeremy Sent via BlackBerry. Sorry for typos and shorthand! ___ List sponsored by Home Power magazine List Address: RE-wrenche

Re: [RE-wrenches] Point of Connection 705.12D2 Exception

2012-12-30 Thread William Miller
Jeremy: Bingo! You have discovered the hard truth of grid tie with battery point of connection compliance (GTWB POC). Your inverter will through-transfer up to 60 Amps (A), so to use all of that capability, you should feed it with 60A. However, you are not allowed to feed the inverter with

Re: [RE-wrenches] Point of Connection 705.12D2 Exception

2012-12-30 Thread William Miller
Kent: I do not have that document handy at this moment. Can you send the citation, please? Thanks, William Miller At 04:56 PM 12/30/2012, you wrote: If you are using the 2011 NEC, 705.12(D)(2) has an exception to the 120% rule for inverters with energy storage to allow for operation of lo

Re: [RE-wrenches] Point of Connection 705.12D2 Exception

2012-12-30 Thread Kent Osterberg
If you are using the 2011 NEC, 705.12(D)(2) has an exception to the 120% rule for inverters with energy storage to allow for operation of loads. Kent Osterberg Blue Mountain Solar, Inc. www.bluemountainsolar.com t: 541-568-4882 On 12/30/2012 4:27 PM, Jeremy Rodriguez- All Solar Inc. wrote: I'm

Re: [RE-wrenches] Point of Connection 705.12D2 Exception

2012-12-30 Thread Jeremy Rodriguez- All Solar Inc.
I'm concerned that the inspector will not allow a 60A back fed breaker in the 200A main panel as it exceeds the 120% rule Jeremy Sent via BlackBerry. Sorry for typos and shorthand! ___ List sponsored by Home Power magazine List Address: RE-wrenches@list

Re: [RE-wrenches] Point of Connection 705.12D2 Exception

2012-12-30 Thread Gary Willett
Solar Sent via BlackBerry. Sorry for typos and shorthand! -Original Message- From: John Berdner Date: Sun, 30 Dec 2012 23:54:17 To: allso...@scswifi.net; RE-wrenches Subject: RE: [RE-wrenches] Point of Connection 705.12D2 Exception Jeremy: 31.25 is the minimum allowable Ampacity (25 Amps

Re: [RE-wrenches] Point of Connection 705.12D2 Exception

2012-12-30 Thread Jeremy Rodriguez- All Solar Inc.
-wrenches Subject: RE: [RE-wrenches] Point of Connection 705.12D2 Exception Jeremy: 31.25 is the minimum allowable Ampacity (25 Amps continuous) so a 35 Amp breaker would be the minimum size per Code. The inverter may have a higher "pass through rating" to support the loads and so is likely th

Re: [RE-wrenches] Point of Connection 705.12D2 Exception

2012-12-30 Thread John Berdner
M: 530.277.4894 -Original Message- From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Jeremy Rodriguez- All Solar Inc. Sent: Sunday, December 30, 2012 10:35 AM To: re-wrenches@lists.re-wrenches.org Subject: [RE-wrenches] Point of Conn

[RE-wrenches] Point of Connection 705.12D2 Exception

2012-12-30 Thread Jeremy Rodriguez- All Solar Inc.
Wrenches, Since the XW6048 calls for a 60A breaker to feed the inverter input and we are connecting back to the load side of a 200A panel is this correct. 6000รท240=25X1.25=31.25A. We cannot exceed a 30A breaker? Help me understand this. Jeremy All Solar Sent via BlackBerry. Sorry for typos and

Re: [RE-wrenches] Point of connection

2009-02-09 Thread Matt Lafferty
ga...@gmail.com _ From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Keith Cronin Sent: Monday, February 09, 2009 2:41 PM To: RE-Wrenches Subject: [RE-wrenches] Point of connection Hello With the growth of the solar indus

Re: [RE-wrenches] Point of connection

2009-02-09 Thread William Miller
Keith: No matter how you slice it, every breaker panel and every conductor in the feeder from the inverter to the meter must meet the 120% rule. You can not dedicate one panel as an "AC Combiner" and exceed the 120% rating on that panel only. It does not matter if the source is one inverter

[RE-wrenches] Point of connection

2009-02-09 Thread Keith Cronin
Hello With the growth of the solar industry coupled with the generous incentives now offered on fed part of the equation, we are seeing some trends here and wondering what the approach has been in other areas. What kind of feedback are you receiving from the AHJ? There are some integrators who