本帖最后由 td456 于 2010-2-21 17:29 编辑 9 b2 T* I+ L- q2 u3 G; s/ @( p" y% y5 X* }" a
When open a motor connection box, 9 B2 v! v3 w: H! ~9 |5 q, P. B
Beside three phase wires for the power, 7 m0 R' s2 u& d! T& o |7 WWe have another two wires marked as P1 and P2 ) V3 A6 B# a! W$ bWhat is that for(P1, P2)? ; f! b/ D, Y; q( OMost of the time, they are not used. # T5 K9 n4 M$ z/ {, Y C% R" S1 g$ F" v$ A1 X( p# E% A3 N8 ~
Thanks!
Good question! 2 e$ U9 H, q# C. I1 U. B* k: N- h9 X
I think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out. 7 S# _# y( v6 V0 a# w3 w E . e4 l' X: ] I7 a% }, `6 B. t3 ATry the following website for details:, s+ w$ V" Y. v; @ http://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf