- s$ O" l" q" F+ K! tWhen open a motor connection box, 2 r: O% U6 v9 E. ~Beside three phase wires for the power, & r' _7 b* y3 h. H$ [0 D* G5 ^We have another two wires marked as P1 and P2* \2 |! l% a' ~, W/ i- W0 f, H
What is that for(P1, P2)? - A) P, W1 l# ZMost of the time, they are not used.# ?: C' V5 X3 u" w y7 D |0 g5 V
Good question! 7 E# y$ X- K, j" t3 r% q! w7 y , d9 p! i( [$ T9 {3 ^I think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out. 3 ^# m7 j; x! R; O0 G / }# [- r) w7 z1 z1 I( bTry the following website for details: ( J3 K8 [2 z. nhttp://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf