Hans seems to have figured out the secret of this board. In order to convert to 240 V, you need to connect 4-5.
Judging by the black mark on the pad, the tension should be under it and looking at you.
Judging by the black mark on the pad, the tension should be under it and looking at you.
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I find it hard to understand your pictures but connecting 4 to 7 is the safest connection available because all windings are in series.
When the secondary voltage turns out to be too low, you could connect 4 to 5, skipping the winding 1 to 2 of T1 and increasing the secondary voltage.
But I doubt very much that 4 to 5 is for 240Volt, I definitely think 4 to 7 is correct.
Hans
When the secondary voltage turns out to be too low, you could connect 4 to 5, skipping the winding 1 to 2 of T1 and increasing the secondary voltage.
But I doubt very much that 4 to 5 is for 240Volt, I definitely think 4 to 7 is correct.
Hans