本帖最后由 td456 于 2010-2-21 17:29 编辑 , f% X1 h( ?: F7 N1 k% `1 `5 ^" Z$ i- |( ~" x3 o4 V4 l
When open a motor connection box, & ^/ g0 W9 p6 D: }" ^7 ~- u
Beside three phase wires for the power, ; {& ]7 R* J9 f4 J( }9 MWe have another two wires marked as P1 and P24 Y* l/ n7 v, i) N) p8 J. s }. h
What is that for(P1, P2)? 8 e8 o. I$ ~* e+ X6 r5 BMost of the time, they are not used. . w* O! A9 D9 w9 k* E2 s0 t5 v. _) u: {$ w) i* Z
Thanks!
8 q8 v8 n0 k6 D: R5 {% S. j _I think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out.8 }, Y- S9 z6 o/ R
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Try the following website for details: ) z6 Q$ O1 h* Y6 Khttp://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf