本帖最后由 td456 于 2010-2-21 17:29 编辑 # R( Q$ l: P7 E# n- Q) P " \ f0 a- q( ?9 D! _$ n. vWhen open a motor connection box, $ A3 Q" ?7 v( y% M3 CBeside three phase wires for the power, ! L6 |* U2 B( T" H7 h# `We have another two wires marked as P1 and P2% O! v& b6 D r* M7 }% u, r* p" |. k# F3 e: [
What is that for(P1, P2)?2 G4 r/ e! P$ @% {5 G
Most of the time, they are not used.* [8 T5 ~- {$ a5 @
, e1 u$ o, O5 E# l( _I think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out.& f- p ^5 H: V3 O* X
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Try the following website for details: ' M& W) P7 z% W4 yhttp://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf