本帖最后由 td456 于 2010-2-21 17:29 编辑 1 S* i, H s- C: k% d. G: u V% [! A$ a! @3 l
When open a motor connection box, ; e' A$ S/ G" d1 ^$ ]Beside three phase wires for the power,* O/ P4 v! a- _) u) J: c
We have another two wires marked as P1 and P2( c1 A4 [& ]$ u* F% y0 Y+ G
What is that for(P1, P2)?' A# A* P0 j$ T2 K: v9 Q3 n( F
Most of the time, they are not used. 3 J% s4 T- g0 M, b' k/ u/ v& {: u) R3 z
Thanks!
* H* j* R" T4 BI think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out.5 A3 B# i% p( t: N; a( a0 J
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Try the following website for details:1 [' I4 }; ?2 N7 \ http://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf