本帖最后由 td456 于 2010-2-21 17:29 编辑 6 @; E1 t5 M9 u: x+ h! `2 W$ h . G6 z" X O; D: f2 G9 o+ gWhen open a motor connection box, : t L$ f5 j. @% V. l& |; [1 g# gBeside three phase wires for the power,4 {" A8 ~) O" z2 x# Z
We have another two wires marked as P1 and P2 H: Z3 ?" \9 X6 |/ |5 J5 c
What is that for(P1, P2)? 4 R/ o7 x( Z3 Q/ lMost of the time, they are not used.3 j3 ` e* _- g
Good question! 8 T/ {6 I u7 a1 t0 A/ ~- e % c+ K/ D s2 w1 l% y3 @/ H. @I think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out.4 K# {2 y- q. W6 @+ A; N3 b3 g: ]
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Try the following website for details: - `, w7 }2 x8 n) J7 m- t h; C( M) phttp://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf