本帖最后由 td456 于 2010-2-21 17:29 编辑 . q/ Q' J5 ]. d" t2 I+ `$ y- l ; w" @6 p; { O0 `When open a motor connection box, ' A/ g. H, w0 K m, ^
Beside three phase wires for the power,% E% \7 S ?6 [
We have another two wires marked as P1 and P2 - r* F7 m: @/ Y- e ]9 nWhat is that for(P1, P2)?) p9 {1 x1 F3 c& }+ Y9 C
Most of the time, they are not used. i+ o! v% A$ X! z& V/ Y5 }
6 }& U8 x9 j6 B9 SI think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out.- S" e9 c. g8 H( w. h
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Try the following website for details: 4 U; f4 J- U( m* k! y9 t% H4 shttp://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf