本帖最后由 td456 于 2010-2-21 17:29 编辑 / V$ o/ k9 k9 f' d4 w" T % j* h7 N, |3 G/ f8 ]* T, KWhen open a motor connection box, 2 z9 d7 d- \! q3 L9 s' M7 ]Beside three phase wires for the power,3 N# k" _5 z' n! t* k* j2 o7 P
We have another two wires marked as P1 and P22 Y+ Q# A# j& C) l4 h4 l" i
What is that for(P1, P2)? 4 {) f8 R; G3 x. k. f VMost of the time, they are not used. - T0 ~$ F/ l8 C- X7 w: A 2 g8 F4 j U) x5 _Thanks!
Good question! 8 ~* f( H5 ?7 i) o: C' y6 p9 ?8 I 5 d. a4 f9 ]( P2 SI think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out. 5 V' b; U+ I* y D0 X1 V& s/ q4 T: g3 Q1 m. N5 `# @% f3 q
Try the following website for details: * @$ m8 e1 U1 p5 E" h) Ghttp://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf