[sdiy] Identifying phase of transformer primaries

[ASSI]

On Dienstag 03 Juni 2008, James Dunn wrote:
> The thing is, I'm in the UK and would like to connect the two
> primaries in series but I can't identify the phase of each winding.

Chose any numbering and connect 2&3.  Leave 4 open and apply 110V 
between 1&2.  If you can measure about 220V between 1&4, then things 
are correct, otherwise switch 3&4 and try again.

1o--- ||
    .)||
     )||
     )||
2o-*- ||
   |  ||
3o-*- ||
    .)||
     )||
     )||
4o--- ||


Achim.
-- 
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SD adaptation for Waldorf Blofeld V1.00R1:
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