No, I monitored it, and verified by looking at the historic consumption. EVERYTHING is on its own circuit breaker. The owner lost his building in 911 and built this house (I believe) because of wanting something that he believed would give him the flexibility for many contingencies.

On 12/30/2013 5:45 PM, Chris Mason wrote:
A house with 2 x 400A panels draws a maximum of 20A? There's something wrong in your numbers.


On Mon, Dec 30, 2013 at 5:45 PM, Christopher Warfel <[email protected] <mailto:[email protected]>> wrote:

    I am working on a project that requires someone with more
    experience than I have in generators and transfer switches.

    Would you please contact me off line if interested

    Currently

    Utility fed house with two 400 amp panels.  Maximum total house
    current drawn over a long monitoring period is 20 amps. Owner
    wanted these panels so almost every load is on its own breaker.

    The house also has a 25kVa generator on an automatic transfer switch.



    Proposed

    Installing two 3.2kW arrays each on its own Xantrex 80amp600Vdc
    charge controller.

    Battery backup system to take through momentaries and short
    duration (1 day? outages)

    Want to use existing generator to charge batteries and power house
    in the event of utility outage, and batteries are at low voltage
    state.

    Required to automatically revert to Current situation if inverter
    fails and no one is home. [This is the part that I need assistance on]

    Thank you, Chris





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    ENTECH Engineering, Inc.
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--
Chris Mason
President, Comet Systems Ltd
www.cometenergysystems.com <http://www.cometenergysystems.com>
Cell: 264.235.5670
Skype: netconcepts

--

Christopher Warfel, P.E.
ENTECH Engineering, Inc.
Energy Utilization Experts
(401)466-8978

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