本帖最后由 td456 于 2010-2-21 17:29 编辑 8 {; q% O. N, @) E! `5 s/ ]( a& F% l/ \, Q/ e
When open a motor connection box, 9 G& ~6 z' q3 ^; C! s; ~Beside three phase wires for the power, 5 L* e: _- ~; HWe have another two wires marked as P1 and P2 4 y& A3 n" w! P5 i# Y# z6 U& xWhat is that for(P1, P2)?5 q$ L! U7 U: q1 h/ f" ^$ c
Most of the time, they are not used.% P4 O+ D3 Y4 ^2 ?5 w+ t
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Thanks!
Good question!1 ?; W* k5 p% n! S, g" J/ k! f+ z& Z
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I think the two leads P1 and P2 are for the thermal switch (mostly normal close), use multimeter to check out. 1 L6 G+ t1 [2 Q* ]( L3 l6 \ x% l7 ~7 x3 ?( A7 v! g- c+ q
Try the following website for details:+ n! s" o& B: Z1 v6 _ http://www.fine-ny.com/pdfs/Fuji-Electrical-Apps.pdf