本帖最后由 td456 于 2010-2-21 17:29 编辑 ( M2 p1 F% t, T/ S0 Y* d
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When open a motor connection box, ; y9 z3 N7 h4 W% X9 P7 w& U/ u GBeside three phase wires for the power, & n) D4 p7 A0 m: E# S; K$ LWe have another two wires marked as P1 and P22 b6 l$ V5 s m6 W
What is that for(P1, P2)? + _% u+ |5 T: t" a+ _, \Most of the time, they are not used. 2 E+ L+ d8 ~( r! X2 _* j - |: D/ A* V: R2 yThanks!
Good question! 0 g7 X( `8 u8 J7 b & d3 D* I8 h; oI think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out. 1 b9 G4 j8 Z/ \1 n' j2 r! a K7 `+ l- E
Try the following website for details: ( X8 A) w3 S8 G1 e& s; z0 [http://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf