本帖最后由 td456 于 2010-2-21 17:29 编辑 ) b* Q, n7 j) G+ w [ 4 e3 }/ T+ T) a! F$ c3 v: _When open a motor connection box, / n0 N7 H- d! i; S5 xBeside three phase wires for the power,5 O' B4 s' Y, a9 b' D% g' R
We have another two wires marked as P1 and P2 0 J- E8 R0 }, E7 I7 R& }What is that for(P1, P2)? , i5 k! W+ T7 {+ S+ O. wMost of the time, they are not used. 7 n6 U7 b/ ]$ N! g2 u7 N5 N& K5 A; X" ~
Thanks!
Good question!5 @1 O+ j& R3 t6 I& [
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I think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out. + W0 W. f: Q- z& R' Y" h . z, `% u" f! j, ~' I5 T* mTry the following website for details:/ m: F- U, R# h http://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf