Existing usage

electrical
propane
Satellite picture

 
Afternoon view from the South South East
Shadows at 9:45 AM DST, May 28, 2007
Shadows at 9:45 AM DST, May 28
Down slope view to the South West,
Afternoon
Down slope view to the West South West,
Afternoon

Roof slope 20 degrees to the South,
Down slope length 22 foot, 6 inch.
270 inches
4.165 meter

Azimuth, about 190 degrees true.  
About 10 degrees west of south.
Planed horizontal dimension ~20 feet.
240 inches.

270 inches up-slope


12ft == 144 inches
25.4 cm per inch

Module layout on south facing roof.

Sharp 208

Sharp 187
Morning shade
Elevation angle from point A to the South East
30 degrees, from top of south facing slope.
Evening shade
Elevation angle from point B to the South West
20 degrees, from top of south facing slope.
Under house entry
Under house area,
DC disconnect and SMA 6000U simulated.
DC disconnect for solar modules has been
installed outside of the under house entry.
Not as shown on simulation picture at
left.
SMA_6000U__spec_sheet01.gif (9082 bytes) SMA 6000u owners manual.  A .pdf file.

Link to SMA website
Furnace sub box, not part of grid tie system.
Output from solar box to go through under ground conduit.

Output wires:  ( AC )
2 EA #8 red
3 EA #8 black
A neutral may be needed with SMA6000U

Ground wire, green.
1 EA #8 for chassis ground

Spare wire
1 EA #10 black

P G & E meter area
at the well house
 
Existing main circuit breakers

Planned addition of disconnect box for solar grid tie system.

1/2 inch rigid conduit through disconnect cavity to meter cavity. Has 1/2 inch side arm pull installed,
not shown.
Meter removal done to view live circuits while cutting hole.
Box inside well house supplies sub panel in garage of house.
Box inside well house supplies sub panel in garage of house.

   Installation of AC conduit from  P G & E  disconnect box.
 Near well house.
  Disconnect box not yet installed.
 
  Entry to crawl space of main house through footing.