Re: [RE-wrenches] Convert Grid Tie SW4048 to Backup System; Add New Inverter, AC Coupled

2011-11-20 Thread Kirk Herander
PS - Richard, does it have a Trace / Xantrex GTI interface installed? If not, it's not code-legal to be tied to the grid anyway. Get rid of the 4048 whatever you do. Kirk Herander VT Solar, LLC dba Vermont Solar Engineering NABCEPTM Certified installer Charter Member NYSERDA-eligible Installer VT

Re: [RE-wrenches] Convert Grid Tie SW4048 to Backup System; Add New Inverter, AC Coupled

2011-11-20 Thread Nathan Jones
If the SW4048 were being operated in an AC coupled arrangement it should be okay to pass AC coupled power through as it is UL1741 certified. The more stringent requirements for the line tied inverter would then fall to the GTI backfeeding it, at least as I understand things. I was under the

Re: [RE-wrenches] Convert Grid Tie SW4048 to Backup System; Add New Inverter, AC Coupled

2011-11-20 Thread Allan Sindelar
Kirk, I think there are a couple of subtleties that you're missing in your post. All of the SW series that we installed in grid-tied mode prior to Trace/Xantrex losing its 1741 listing - mostly Y2K installations - are still in use legally, as they were grandfathered in.

Re: [RE-wrenches] Convert Grid Tie SW4048 to Backup System; Add New Inverter, AC Coupled

2011-11-20 Thread toddcory
On Sunday, November 20, 2011 9:32am, Joel Davidson joel.david...@sbcglobal.net said: Wrenches, I answered Richard off-list, but other wrenches may find this information about old SW4048s and batteries useful. The SW4048 is a solid machine. We've been using one since 1998 and have

Re: [RE-wrenches] GT inverter

2011-11-20 Thread mac Lewis
I would see if the Aurora 6000 would be a good fit. I believe it will string but it may clip depending on tilt, orientation and anticipated temps. Mac On Sun, Nov 20, 2011 at 2:44 PM, jay peltz j...@asis.com wrote: Hi All, Anybody have a favorite string GT inverter for the following.

Re: [RE-wrenches] GT inverter

2011-11-20 Thread jay peltz
HI mac, I like this choice also. But what is on the market for a TL fused disco? jay On Nov 20, 2011, at 1:59 PM, mac Lewis wrote: I would see if the Aurora 6000 would be a good fit. I believe it will string but it may clip depending on tilt, orientation and anticipated temps. Mac