Re: [RE-wrenches] Sonnen Battery & Outback Radian Inverter

Sat, 18 Jun 2016 20:30:39 -0700

Chris: Thanks! More questions.

Page 14: I am assuming that the Sonnen system is comprised of the components and functionality encompassed in the box in the upper right side of figure 2. And the Outback Radian is the inverter used for "F" - the "Storage System" inverter?

Pages 14, 15, and 29: No info on PV array sizing is provided. Does the Sonnen design assume that a totally separate grid-tied inverter system already exists or must be installed if PV charging is desired?

Page 15: The system is AC coupled. When in "Backup Mode" how does the Sonnen BMS control charging from the external grid-tied PV inverter system once its battery modules are fully charged and the house loads are low? Does the Sonnen BMS handle this situation without disconnecting relays or frequency-shift throttling?

Page 15: Is the nomenclature in Figure 2 for the Utility Power Meter "G" and the Consumption Meter "D"  reversed?

Regards, Gary


On 6/18/16 7:10 PM, Chris Mason wrote:


On Sat, Jun 18, 2016 at 2:13 PM, Gary Willett <g...@icarussolarservices.com> wrote:


Were all of the components in the cabinet factory mounted and inter-connected, or was it field assembled?

It came assembled. The only hard part was the external production metering. I would show you a photo except I am not very proud of it. 
You have to install the batteries and auxiliary cabinet in place.

How much does the finished product weigh?

About 500lbs before the batteries, we used our crane to lower it down the stairwell. Two people, a handcart, should be all you need.
https://www.dropbox.com/s/y3wajbo1614f52v/2016-06-09%2014.46.39.jpg?dl=0
You put the batteries in after you get it in place.
 

Do you have any Sonnen and/or Outback URL(s) that provide installation documentation and a high level single line electrical block diagram of what's inside the box?

Thanks! Gary

On 6/18/16 6:48 AM, Chris Mason wrote:
Here's the internals of the one we installed.
It's a Radian, the batteries are Sony, there's a PLC in the door controlling everything, and a Vera Z-Wave controller for the programmable outlets.
The BMS is on the door, connected by the long cable you see at the bottom. It's not really long enough, which I complained about.
The transfer switch is a Generac component, very reliable unit, rated at 200A.
There is a DIN rail next to the inverter that holds all the internal wiring, metering, external connections.
One thing I would advocate, never try to make any connections with this unit powered up. It is very tight in there and the risk of touching a live terminal is high.
There is a 200A main breaker and a battery breaker, which is software controlled for powering down from the front panel. Startup requires holding in a DC breaker for the electronics for a few seconds then engaging the main battery breaker. The instructions says five seconds but I find it takes about 15.




On Fri, Jun 17, 2016 at 9:54 PM, Gary Willett <g...@icarussolarservices.com> wrote:

Enclosed is a photo of what appears to be a test/lab Sonnen system published in the 01/30/2016 edition of "Power Magazine.

Can plainly see the 8kW Outback Radian inverter and I assume four 12V Sonnen (Sony?) 8kWh Lithium-Ion batteries. Assume this is a "standard" 48V Radian inverter.

http://www.powermag.com/german-battery-firm-sonnen-moves-into-u-s-home-solar-storage-market/

Regards,

Gary Willett

Icarus Engineering LLC



On 6/17/16 2:09 PM, Chris Mason wrote:
Yes, correct on both. The generator support is there, I did not use it.

On Fri, Jun 17, 2016 at 3:07 PM, Carl Adams <swingjun...@gmail.com> wrote:
Chris,

Nice finish on the Sonnen install.  It looks fabulous.  My understanding is the Eco 2-8 integrate the 4kW radian, and the 10-16 incorporates the 8kW radian.  I assume generator support is fully supported

On Fri, Jun 17, 2016 at 8:35 AM, Chris Mason <cometenergysyst...@gmail.com> wrote:
I promised a picture of the Sonnen installation. As these units are getting close to being appliances in the same vein as home audio, we wanted to have a clean finish so we made some mill work to complete the top of the unit to the ceiling and hide the ugly conduits.



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Generac Generators Industrial technician

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

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Skype: netconcepts


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