本帖最后由 td456 于 2010-2-21 17:29 编辑 9 B) T) B5 o* u6 c1 b - g( G0 _+ s$ o6 }2 fWhen open a motor connection box, 2 w8 f' b* q* |, hBeside three phase wires for the power,& j. ^! _0 v' p3 l0 A e$ o
We have another two wires marked as P1 and P24 ?$ L8 J( b& I( T; s, D+ X
What is that for(P1, P2)? g2 }! u/ \0 e: E6 x+ x0 X, RMost of the time, they are not used.$ i, w; q; Q' g+ W4 h- D8 m
/ X1 |/ {$ q0 ]$ a) h# oI think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out. 2 ~- t9 i( U S , l) I* S' l' G z9 U$ v' tTry the following website for details:1 o- w2 W- J1 ~+ T' \# y http://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf