$ s F6 J1 E, T4 ~When open a motor connection box, + x# {, Y" C( F4 J/ o
Beside three phase wires for the power, 7 v" _. W" k$ z$ v& yWe have another two wires marked as P1 and P21 N7 r1 b% z+ X3 d7 z- C
What is that for(P1, P2)? 7 I/ N1 I5 y; z, mMost of the time, they are not used.! w- ? \6 @, o
Good question! " x j, V! T2 f% K7 M6 M" K0 V) p / x$ r$ b# M1 j3 J5 E6 s1 YI think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out.9 y& ]0 n& i- ?+ f/ d
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Try the following website for details:9 x D* o6 d% M4 c8 i+ u http://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf