[RE-wrenches] 208 3 phase Off Grid Inverter

Tue Mar 25 08:14:14 PDT 2014

Morning Wrenches,

The Sunny Island is NOT being discontinued. The 4248 and 5048 are being replaced with models 4548 and 6048.

Both of the new models will work with 208VAC without issue.

Also, if you are adding to an existing system that has the 5048 model, both new models will operate fine with it.

Thanks

SMA America, LLC
Steve Jefferson
Service Line Supervisor
3925 Atherton Ave
Rocklin, CA 95765 - 3714
U.S.A.
Tel:  +1 916 625 3185 (direct)
Fax: +1 916 625 0871
Mobile: +1 916 622 4253
Email: Steve.jefferson at SMA-America.com<mailto:Steve.jefferson at SMA-America.com>
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From: re-wrenches-bounces at lists.re-wrenches.org [mailto:re-wrenches-bounces at lists.re-wrenches.org] On Behalf Of Brian Mehalic
Sent: Tuesday, March 25, 2014 7:04 AM
To: RE-wrenches
Subject: Re: [RE-wrenches] 208 3 phase Off Grid Inverter

Wait a sec, "volume purchasing issues" doesn't equal "discontinued"!  Sounds more like they're selling all they can make to a big customer!

Brian Mehalic
NABCEP Certified Solar PV Installation Professional(tm) R031508-59
IREC ISPQ Certified Affiliated Instructor/PV US-0132

PV Curriculum Developer and Instructor
Solar Energy International
http://www.solarenergy.org

On Tue, Mar 25, 2014 at 12:41 AM, <william at millersolar.com<mailto:william at millersolar.com>> wrote:
Ray:

Sunny Islands being discontinued:  Did not know that!

XW inverters:  Not impressed and have had mixed results.  I have resolved
most issues but dealt with glitchy, overcomplicated software and firmware.
Some are reluctant to connect to generators and earlier firmware would not
sell efficiently.  Also the BOS cabinet is way too small, but aren't they
all?

Wm

-----Original Message-----
From: re-wrenches-bounces at lists.re-wrenches.org<mailto:re-wrenches-bounces at lists.re-wrenches.org>
[mailto:re-wrenches-bounces at lists.re-wrenches.org<mailto:re-wrenches-bounces at lists.re-wrenches.org>] On Behalf Of Ray Walters
Sent: Monday, March 24, 2014 8:35 PM
To: RE-wrenches
Subject: Re: [RE-wrenches] 208 3 phase Off Grid Inverter

Hi William;

I was told by two different major distributors  a few months ago that the
Sunny Islands were not going to be available in the US anymore
because of some volume purchasing issues.   Has that been sorted out?

The XW  I have not installed, since I've had poor results with other recent
Schneider products.  No where could I find in the spec sheet any mention of
3 phase/ 208 capability, but I found some mention of 3 phase in the manual
for the XW Config software. (XW 6048 Spec sheet just says single phase, so
is this a newer capability? or just in the config software) Do you have
specs  or a wiring diagram for the XW in 208/ 3 phase? For instance, what is
the L to L (single phase) power rating at 208 vac?
Are the XWs decent? I've heard some positive feed back from other wrenches.

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

On 3/24/2014 8:58 PM, William Miller wrote:
> Ray
>
> Sunny Island or XW.
>
> Wm
>
> -----Original Message-----
> From: re-wrenches-bounces at lists.re-wrenches.org<mailto:re-wrenches-bounces at lists.re-wrenches.org>
> [mailto:re-wrenches-bounces at lists.re-wrenches.org<mailto:re-wrenches-bounces at lists.re-wrenches.org>] On Behalf Of Ray
> Walters
> Sent: Monday, March 24, 2014 7:44 PM
> To: RE-wrenches
> Subject: [RE-wrenches] 208 3 phase Off Grid Inverter
>
> Hi All;
>
> I'm exploring options for an off grid project with an existing 30 Kw
> Kohler wired for 208 vac 3 phase.  The generator runs some 8 hp air
> compressors, so rewiring it is not an option.  We're primarily
> interested in reducing gen run time from the current situation: 14 hrs/
day.
> So far, only the Outback VFX inverters seem capable of being wired in
> 208, 3 phase, but according to the manual they can only be stacked 1
> inverter per leg. This limits the system to only 3 inverters total, or
> 10.8 kW.  I would like expandability beyond this.
> 1) are there any other inverters available that I'm over looking?
> 2) Should I consider a transformer to convert from 208 vac/3phase to
> 240 vac/ singe phase?
>
> We're not going to even try to run the compressors, just the other
> single phase loads, mostly 120 vac, but we have a couple of small air
> conditioners, that are currently running on 208 single phase.  I
> believe they would run fine on 240 vac, as they have a name plate rating
at 230 vac.
> 3) We may possibly run 2 separate 3 inverter stacks and only tie
> together at the battery, but otherwise they would not be connected.
> This seems inefficient, and would require some load balancing of the
various inverters.
>
> All help and discussion is greatly appreciated as always,
>
> --
> R.Ray Walters
> CTO, Solarray, Inc
> Nabcep Certified PV Installer,
> Licensed Master Electrician
> Solar Design Engineer
> 303 505-8760
>
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