本帖最后由 td456 于 2010-2-21 17:29 编辑 / l' i2 }8 K0 a) g 2 g1 _! _& x0 zWhen open a motor connection box, 6 O n! X* @. L7 Y6 d0 H! I
Beside three phase wires for the power,6 t2 y& s$ [' ~( Z8 R2 g9 d6 F7 b
We have another two wires marked as P1 and P2 " {8 C- p' s" ^7 }* lWhat is that for(P1, P2)?! [: P) }$ O' x
Most of the time, they are not used. 0 P9 @# K1 L% ^2 [7 B" S ; j7 o0 _0 S; V+ p. IThanks!
Good question! ; T+ s% T% {' F$ Z+ _ 0 J! k& [- I/ \3 i0 BI think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out. ; J4 R5 V* r9 Y6 l, A, L( i6 Z1 Y' Q* ]7 f7 m# s
Try the following website for details: 3 J$ E' {: O, }/ O6 Ghttp://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf