本帖最后由 td456 于 2010-2-21 17:29 编辑 & u" [2 \! b' t0 e7 \ 1 K6 I( H8 o0 }' U9 TWhen open a motor connection box, 8 @$ ~1 H7 \/ CBeside three phase wires for the power, 9 E- J" i' @1 i: E9 bWe have another two wires marked as P1 and P23 u6 l" b# H' u6 @5 j
What is that for(P1, P2)? 1 d2 b5 b" r' \% B* b+ hMost of the time, they are not used. 6 R- B' C( Y* Z * ]# _& C. j a- \' OThanks!
Good question! + G. h/ }" o" ^6 G6 _' Y" E2 z4 v # }) ~) O4 q% i* ^0 M9 \8 GI think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out. - X$ S) z$ ]9 d9 Z: M) } ( }( z; k! K$ g1 M; B: RTry the following website for details:8 X/ a6 i0 Z7 ?: K. E http://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf