本帖最后由 td456 于 2010-2-21 17:29 编辑 8 h U2 A5 D7 q* h8 v0 h& f
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When open a motor connection box, 0 s" f1 Q1 C u( }, j' [2 m/ ^! ]Beside three phase wires for the power,$ ?" V# T& v4 n0 H" f
We have another two wires marked as P1 and P21 g5 f% I) G4 Z' z6 |* P
What is that for(P1, P2)? 5 g, i3 E; |9 I, g$ n+ F- YMost of the time, they are not used.& D0 P1 K" H7 @) K$ I9 f4 a0 d
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Thanks!
& r+ u- Q% z/ P$ q8 P& KI think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out.' o% z+ D t1 t3 \
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Try the following website for details: $ a: L8 O4 |9 L q6 `5 u3 Khttp://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf