本帖最后由 td456 于 2010-2-21 17:29 编辑 7 H' A- q1 r2 u, ~0 s) R& K, F
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When open a motor connection box, 7 o* H8 N x1 |$ p8 r- d& uBeside three phase wires for the power, ( G `% H2 F. ?& w. cWe have another two wires marked as P1 and P28 X: C' h$ D5 w. Y' D7 A
What is that for(P1, P2)?- p0 D! y6 V) }
Most of the time, they are not used.- B$ y, \ j, ^ B
8 U7 o& S) S, q8 q* s) kI think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out. + P% Z4 y; F- ^4 |4 X/ l" ? 1 T: ]1 ~0 d- n( QTry the following website for details: 0 M- z8 ^. x' j: N$ f+ w& khttp://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf